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  • Conservation  (1,003)
  • 2020-2022  (1,003)
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  • 1
    Publication Date: 2021-06-07
    Description: The diagnosis of the conservation state of monumental structures from constraints to the spatial distribution of their physical properties on shallow and inner materials represents one of the key objectives in the application of non-invasive techniques. In situ, CRP and 3D ultrasonic tomography can provide an effective coverage of stone materials in space and time. The intrinsic characteristics of the materials that make up a monumental structure and affect the two properties (i.e., reflectivity, longitudinal velocity) through the above methods substantially differ. Consequently, the content of their information is mainly complementary rather than redundant. In this study we present the integrated application of different non-destructive techniques i.e., Close Range Photogrammetry (CRP), and low frequency (24 KHz) ultrasonic tomography complemented by petrographycal analysis based essentially on Optical Microscopy (OM). This integrated methodology has been applied to a Carrara marble column of the Basilica of San Saturnino, in Byzantine-Proto-Romanesque style, which is part of the Paleo Christian complex of the V-VI century. This complex also includes the adjacent Christian necropolis in the square of San Cosimo in the city of Cagliari, Sardinia, Italy. The column under study is made of bare material dating back probably to the first century A.D., it was subjected to various traumas due to disassembly and transport to the site, including damage caused by the close blast of a WWII fragmentation bomb. High resolution 3D modelling of the studied artifact was computed starting from the integration of proximal sensing techniques such as CRP based on Structure from Motion (SfM), with which information about the geometrical anomalies and reflectivity of the investigated marble column surface was obtained. On the other hand, the inner parts of the studied body were successfully inspected in a non-invasive way by computing the velocity pattern of the ultrasonic signal through the investigated materials using 3D ultrasonic tomography. This technique gives information on the elastic properties of the material related with mechanical properties and a number of factors, such as presence of fractures, voids, and flaws. Extracting information on such factors from the elastic wave velocity using 3D tomography provides a non-invasive approach to analyse the property changes of the inner material of the ancient column. The integrated application of in situ CRP and ultrasonic techniques provides a full 3D high resolution model of the investigated artifact. This model enhanced by the knowledge of the petrographic characteristics of the materials, improves the diagnostic process and affords reliable information on the state of conservation of the materials used in the construction processes of the studied monumental structure. The integrated use of the non-destructive techniques described above also provides suitable data for a possible restoration and future preservation.
    Description: Copernicus
    Description: Published
    Description: On line
    Description: 5T. Sismologia, geofisica e geologia per l'ingegneria sismica
    Keywords: Cultural Heritage ; Monumental Structures ; Non-Destructive Testing ; Close Range Photogrammetry ; 3D Ultrasonic Tomography ; High resolution 3D modelling ; Restoration ; Conservation ; 05.04. Instrumentation and techniques of general interest
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Abstract
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  • 2
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    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/11303 | 25 | 2015-09-24 08:21:14 | 11303 | International Collective in Support of Fishworkers
    Publication Date: 2021-06-30
    Description: South Africa- Shifting livelihoods, Viet Nam-Strengthening livelihoods, Chile - gains and challenges, Uganda- making changes possible, Maritza Mena from Costa Rica, Ground-breaking gender indicators, You tube resources
    Description: ISSN 0973-1156
    Keywords: Conservation ; Fisheries ; Policies ; women ; livelihoods ; MPAs ; theatre ; feminism
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 12
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  • 3
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    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/11301 | 25 | 2015-05-19 15:10:57 | 11301 | International Collective in Support of Fishworkers
    Publication Date: 2021-06-30
    Description: Sticky issues - An update on the recent SSF guidelines, Forced into slavery- New Zealand, Grabbing oceans- MPAs fail to recognize human-rights issues, Getting rights wrong- GPO ignores the voices of SSF people, Smoking kilns- artisan fishers on the map, Depending on mangroves- Vietnam, Statement made at the GDF on work in fishing convention, fishy partnership- proposed GPO, Champion for fishers - Rolf Willmann
    Keywords: Conservation ; Fisheries ; Management ; Policies ; Sociology ; Forced labour ; fishing rights ; GPO ; small-scale fisheries ; MPAs ; mangroves
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 52
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  • 4
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    Chesapeake Biological Laboratory | Solomons Island, MD
    In:  http://aquaticcommons.org/id/eprint/12400 | 130 | 2014-02-08 04:00:03 | 12400 | University of Maryland Center for Environmental Science. Chesapeake Biological Laboratory
    Publication Date: 2021-06-30
    Description: The crab pot as a fishing gear was introduced in Maryland waters, following some years of greatly expanded use in Virginia, during the 1939 season, and was widely used during 1940. The 1941 session of the Maryland Legislature, however, illegalized the crab pot. Since that time the device has been given up almost entirely by Maryland fishermen, its attempted use in a commercial way having persisted in diminishing numbers in only one region of the state.
    Keywords: Conservation ; Fisheries ; Policies
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 20
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  • 5
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    University of Maryland Center for Environmental Science. Chesapeake Biological Laboratory | Solomons, MD
    In:  http://aquaticcommons.org/id/eprint/12395 | 130 | 2014-02-10 02:30:32 | 12395 | University of Maryland Center for Environmental Science. Chesapeake Biological Laboratory
    Publication Date: 2021-06-30
    Description: This workshop was convened to begin building a foundation of understanding for developing and evaluating proposed measures for the rational management of the blue crab fishery in Chesapeake Bay. Our goal was to generate a summary of knowledge of blue crab stock dynamics. Specifically, we intended to address, and hoped to estimate, the basic parameters of an exploited stock - growth, mortality, natality, migration rates, sex ratios and abundance. In one sense these objectives were simply a means for organizing our discussions. A second objective was to compile at the workshop pertinent data held by the major research institutions on Chesapeake Bay so all participants could see the kinds and extent of existing data. As with many stock assessment problems, tailoring an estimating procedure around known existing data can be more productive than deciding on a procedure and then trying to find the required data in someone else's files.Authors of papers contributed to the report: B.S. Hester and P.R. Mundy (p. 50); Qisheng Tang (p. 86); L. Eugene Cronin (p. 111); J.R. McConaugha (p. 128); Cluney Stagg and Phil Jones (p. 153).
    Description: Chesapeake Bay Commission
    Description: University of Maryland Center for Environmental Science. Chesapeake Biological Laboratory
    Description: Editorial Series #ES-01-83, Center for Environmental and Estuarine Studies of the University of Maryland
    Keywords: Conservation ; Ecology ; Fisheries ; Management ; Planning ; Policies
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 168
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  • 6
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    Global Coral Reef Monitoring Network | Townsville, Australia
    In:  http://aquaticcommons.org/id/eprint/12585 | 9 | 2014-03-25 18:32:11 | 12585 | Central Caribbean Marine Institute
    Publication Date: 2021-07-03
    Keywords: Conservation ; Ecology ; Environment
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 73-84
    Format: 152
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  • 7
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    Global Coral Reef Monitoring Network and Reef and Rainforest Research Centre | Townsville, Australia
    In:  http://aquaticcommons.org/id/eprint/12584 | 9 | 2014-03-25 18:33:50 | 12584 | Central Caribbean Marine Institute
    Publication Date: 2021-07-03
    Keywords: Conservation ; Environment
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 239-252
    Format: 296
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  • 8
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    Chesapeake Biological Laboratory | Solomons Island, MD
    In:  http://aquaticcommons.org/id/eprint/12760 | 130 | 2014-02-08 01:04:22 | 12760 | University of Maryland Center for Environmental Science. Chesapeake Biological Laboratory
    Publication Date: 2021-07-05
    Description: The Chesapeake Biological Laboratory is a research and study center founded to accelerate the acquisition of knowledge through the gathering and dissemination of facts to the end that there may be a fuller appreciation of nature.
    Keywords: Conservation ; Ecology ; Fisheries
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 21
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  • 9
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    Chesapeake Biological Laboratory | Solomons Island, MD
    In:  http://aquaticcommons.org/id/eprint/12761 | 130 | 2014-02-08 03:53:19 | 12761 | University of Maryland Center for Environmental Science. Chesapeake Biological Laboratory
    Publication Date: 2021-07-05
    Description: Substantial progress was made in 1938 both in respect to additions made in the physical plant and to the problems effectively pursued by an energetic staff.
    Keywords: Conservation ; Ecology ; Fisheries
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 19
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  • 10
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    Chesapeake Biological Laboratory | Solomons Island, MD
    In:  http://aquaticcommons.org/id/eprint/12824 | 130 | 2014-02-08 04:02:55 | 12824 | University of Maryland Center for Environmental Science. Chesapeake Biological Laboratory
    Publication Date: 2021-07-06
    Description: Baltimore Harbor is polluted by discharge of sewage and industrial wastes into tributary streams and peripheral waters. The Harbor is used extensively for navigation, industrial water supply, and recreation as well as for waste disposal. The degree of pollution varies from negligible in the principal fairway to severe in the innermost sections. Private industry discharges several hundred tons of acid materials daily and is also the principal source of organic pollution.
    Description: PDF includes 141 pp. (front matter + 132 pp.).
    Keywords: Conservation ; Ecology ; Environment ; Pollution
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 132
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  • 11
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    Texas Water Quality Board | Austin, TX
    In:  http://aquaticcommons.org/id/eprint/14162 | 9596 | 2020-08-31 20:23:31 | 14162 | Galveston Bay Information Collection
    Publication Date: 2021-06-24
    Description: The Houston Ship Channel is an area of intense interest with respect to water water quality. Frequent inquiries regarding its condition are received from diverse groups including industries, concerned citizens, environmental groups, school teachers, and students. In order to provide current and accurate information, the Water Quality Board is publishing herein water quality and biological data collected during the period July 1973 through June 1974. This information provides a fairly complete picture of the range of variation that is seen in Channel quality. The locations of all Water Quality Board monitoring stations, and of major industrial and municipal discharges, is given in Table I. Data from five representative sampling stations between Morgan's Point (Mile 0) and the Turning Basin (Mile 25), are sufficient to illustrate general conditions in the Ship Channel. Table II contains field measurements and laboratory results for water samples collected at depth of one foot (surface) and 40 feet. All values are expressed as milligrams/liter, essentially equivalent to parts/million, with the following exceptions: temperature (oF), pH (pH units), turbidity (Jackson Turbidity Units), conductivity (micromhs/cm), and coliform bacteria (Number/100 milliliters). The heavy metals results in Table III are based on samples collected by composting water from the surface to the bottom. Plankton samples (Table IV) were collected at or near each of the five stations. Nekton, the animals that are larger and stronger swimmers than plankton, were collected at the intake screens of Diamond Shamrock, Deer Park Plant, and Houston Lighting and Power Company, Deepwater Plant (Table V). It is important to realize that the Houston Ship Channel is a dynamic estuarine system. At no time will precisely the same conditions prevail that were previously found at the same location. The dissolved oxygen concentration may be the same as it was yesterday, for instance, but never will the combination of temperature, conductivity, pH, and all other parameters be the same.
    Keywords: Conservation ; Limnology ; Management ; monitoring program ; water quality
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 36
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  • 12
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    NOAA/National Centers for Coastal Ocean Science | Silver Spring, MD
    In:  http://aquaticcommons.org/id/eprint/14948 | 403 | 2014-03-14 23:02:39 | 14948 | United States National Ocean Service
    Publication Date: 2021-06-29
    Description: Gray’s Reef National Marine Sanctuary (GRNMS) is exploring the concept of a research area (RA) within its boundaries. The idea of a research area was first suggested in public scoping meetings held prior to the review of the Gray’s Reef Management Plan. An RA is a region specifically designed for conducting controlled scientific studies in the absence of confounding factors. As a result, a multidisciplinary group gathered by GRNMS was convened to consider the issue. This Research Area Working Group (RAWG) requested that a suite of analyses be conducted to evaluate the issue quantitatively. To meet this need, a novel selection procedure and geographic information system (GIS) was created to find the optimal location for an RA while balancing the needs of research and existing users. This report and its associated GIS files describe the results of the requested analyses and enable further quantitative investigation of this topic by the RAWG and GRNMS.
    Keywords: Conservation ; Fisheries ; Management
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 51
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  • 13
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    Acuario Nacional de Cuba. | La Habana, Cuba
    In:  lucyr@acuarionacional.cu | http://aquaticcommons.org/id/eprint/14968 | 1545 | 2014-05-09 22:54:31 | 14968 | Acuario Nacional de Cuba
    Publication Date: 2021-06-29
    Description: Abarca los trabajos que se presentan durante los 3 días que dura el evento infantil.
    Keywords: Conservation ; Education ; children ; conservation ; niños ; conservación de la naturaleza ; círculos de interés
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 48
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  • 14
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    NOAA/Center for Coastal Fisheries and Habitat Research | Beaufort, NC
    In:  http://aquaticcommons.org/id/eprint/15156 | 403 | 2014-06-13 00:05:25 | 15156 | United States National Ocean Service
    Publication Date: 2021-07-03
    Description: In March of 2005, the National Oceanic and Atmospheric Administration's Special Projects Office released "Population Trends along the Coastal United States: 1980-2008." This report includes population changes and trends between 1980 and 2003 and projected changes in coastal populations by 2008. Given the findings, pressure on coastal resources around the country will continue to rise, particularly in Florida. ... One of our most valuable coastal resources is seagrass, but human desire and need to live on the coast means that our habitat overlaps with suitable seagrass habitat. Seagrasses can be found in coastal areas around the world but are limited to relatively shallow, relatively clear water because of their reliance on light for photosynthesis. Seagrasses provide food for both small and large marine organisms, larval and adult stage. They provide shelter and habitat to a variety of commercially important fish and invertebrates. They baffle the water column and inhibit the resuspension of sediments. They prevent erosion and fix and recycle nutrients. The physical and ecological benefits of seagrasses make them very important to human welfare, but their light-limited coastal distribution makes them highly susceptible to anthropogenic influences.
    Description: Report submitted to Protected Resources Division, National Marine Fisheries Service.
    Keywords: Biology ; Conservation ; Management
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 31
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  • 15
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    Acuario Nacional de Cuba | La Habana, Cuba
    In:  elenag@acuarionacional.cu | http://aquaticcommons.org/id/eprint/15273 | 1545 | 2014-06-30 10:46:33 | 15273 | Acuario Nacional de Cuba
    Publication Date: 2021-07-05
    Description: Versión electrónica para multimedia del libro Corales Pétreos de Cuba publicado en 1980 por Nereida Martínez Estalella y Vasil Zlatarski. La colección de Corales pétreos se formó en el Instituto de Oceanología entre los años 1970 y 1975. En 2005 pasa a ser custodiada por el Acuario Nacional con el resto de las colecciones biológicas.La colección está formada por 4,990 ejemplares, 2 Clases Anthozoa e Hydrozoa , 16 familias, 30 géneros, 45 especies y 23 formas.Multimedia electronic book version of Stony Corals Cuba published in 1980 by Nereida Martínez Estalella and Vasil Zlatarski.The collection of stony corals are formed at the Institute of Oceanology between 1970 and 1975. Renumbered in 2005 by the National Aquarium guarded with other biological collections. The collection consists of 4,990 samples, 2 classes Anthozoa and Hydrozoa, 16 families, 30 genera, 45 species and 23 forms.
    Keywords: Biology ; Conservation ; Ecology ; Instituto de Oceanología ; corals ; taxonomía ; taxonomy ; videos ; Scleractinea ; Acroporidae ; Agariciidae ; Astrangiidae ; Caryophylliidae ; Columnastraeidae ; Hydrozoa ; Milleporina ; zlatarski
    Repository Name: AquaDocs
    Type: book , TRUE
    Format: other
    Format: application/zip
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  • 16
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    Pacific Regional Environment Programme (SPREP) | Apia, Samoa
    In:  irc@sprep.org | http://aquaticcommons.org/id/eprint/15369 | 11964 | 2014-09-25 11:47:56 | 15369 | Secretariat of the Pacific Regional Environment Programme (SPREP)
    Publication Date: 2021-07-06
    Description: BIORAP
    Description: BEM
    Description: Hard copies are also available from: irc@sprep.org
    Keywords: Aquaculture ; Conservation ; Earth Sciences ; Ecology ; Environment ; Oceanography ; rapid biodiversity assessment ; pacific ; terrestrial ; marine ; guidelines ; natural resources conservation area ; oceania ; sprep ; 2014 ; Pacific Regional Environment Programme (SPREP) ; Wildlands
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 54
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  • 17
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    WorldFish | Penang, Malaysia
    In:  http://aquaticcommons.org/id/eprint/15596 | 115 | 2014-11-19 08:49:14 | 15596 | WorldFish Center
    Publication Date: 2021-07-08
    Description: Lake Victoria fisheries face severe environmental stresses. Stocks are declining in a context of increasing population and growing demand for the lake’s resources. Rising competition between users is putting conservation goals and rural livelihoods at risk. While Uganda’s co-management policy framework is well-developed, key resources for implementation are lacking, enforcement is poor, and the relations between stakeholders are unequal. Poor rural resource users face significant challenges to effectively participate in fisheries decision-making. This case study demonstrates the progress that can be made using a collaborative approach to catalyze community-led actions linking public health, sanitation and environmental conservation in difficult circumstances, even over a relatively short time period. Multistakeholder dialogue can bring to light the sources of conflict, pinpoint governance challenges, and identify opportunities for institutional collaboration to address community needs. At the same time, the process can help build trust, confidence in collective action and public accountability.
    Description: Collaborating for Resilience
    Keywords: Agriculture ; Aquaculture ; Accountability ; Aquatic Agricultural Systems ; Aquatic resources ; Capacity development ; Co-management ; Conservation ; Environmental protection ; Equity ; Fisheries management ; Fresh water ; Governance ; Health ; Human rights ; Livelihoods ; Monitoring and evaluation ; Natural resource management ; Participatory action research ; Partnerships ; Policy ; Research ; Resilience ; Vulnerability ; Uganda ; Africa
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 28
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  • 18
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    In:  http://aquaticcommons.org/id/eprint/16156 | 12051 | 2015-02-08 09:39:40 | 16156 | Society of Fisheries Technologists, India
    Publication Date: 2021-06-29
    Description: Studies conducted in the laboratory and field have shown that iced fish can be preserved for longer periods in fresh and edible condition in conventional bamboo baskets by providing additional insulated linings of double layer of gunny and polythene or bitumen coated kraft paper. The quality of fish is adjudged by chemical and organoleptic evaluations.
    Keywords: Conservation ; Fisheries ; fish storage ; packing fishery products ; storage conditions ; icing ; organoleptic properties
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
    Format: application/pdf
    Format: 68-75
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  • 19
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    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/11228 | 25 | 2013-07-05 06:44:37 | 11228 | International Collective in Support of Fishworkers
    Publication Date: 2021-06-29
    Description: This research focuses on the social dimensions of marine conservation, and makes an assessment of the experiences of coastal and fi shing communities with regard to the governance of MPAs in Central America, based on case studies from Honduras, Nicaragua, Costa Rica and Panama. It examines the national contexts of the above countries in relation to the governance of MPAs. Furthermore, it analyzes the social impacts of MPAs on coastal communities by gathering the experiences and the voices of the communities and institutions involved, and reflects on how to build bridges in the search for forms and models of conservation that respect human rights and which are able to successfully integrate into local development efforts without affecting cultural and/or social patterns. To this end, this monograph looks at nine case studies across the region: in Honduras, the Islas de la Bahia-Guanaja Marine National Park, the Cayos Cochinos Marine Archipelago Natural Monument, and the Cuero and Salado Wildlife Refuge; in Nicaragua, the Chacocente Wildlife Refuge; in Costa Rica, the Guanacaste Conservation Area, the Ballena Marine National Park and the Golfo Dulce Responsible Fishing Area; and, in Panama, the Nargana Protected Area, in the Comarca de la Biosfera Guna-Yala, the Bastimentos Island Marine National Park, and Bocas del Toro.
    Keywords: Conservation ; Fisheries
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 160
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  • 20
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    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/11229 | 25 | 2013-09-01 09:08:46 | 11229 | International Collective in Support of Fishworkers
    Publication Date: 2021-06-29
    Description: This brochure summarizes a series of case studies done in nine countries—Brazil, India, Indonesia, Mexico, Senegal, South Africa, Spain,Tanzania and Thailand—on the role of communities in the planning and implementation of marine protected areas (MPAs).The studies demonstrate that communities can be powerful allies in efforts for conservation and management of coastal and marine resources. They also underline the need for systematic attention, capacity building, funding and other resources for effective implementation of Programme Element 2 on governance, participation, equity, and benefit sharing of the Programme of Work on Protected Areas (PoWPA) of the Convention on Biological Diversity (CBD).
    Keywords: Conservation ; Fisheries ; Sociology
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 1-24
    Format: 24
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  • 21
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    International Collective in Support of Fishworkers | Chennai, India
    In:  icsf@icsf.net | http://aquaticcommons.org/id/eprint/11231 | 25 | 2013-06-20 10:42:00 | 11231 | International Collective in Support of Fishworkers
    Publication Date: 2021-06-24
    Description: The lacunae in fishing-community engagement in the management and governance of marine and coastal protected areas (MCPAs) were discussed in the 2009 Chennai Workshop organized by the International Collective in Support of Fishworkers (ICSF). To continue the discussion, a second, two-day workshop to review existing legal and institutional mechanisms for implemention and monitoring of MCPAs, titled ‘Fishery-dependent Livelihoods, Conservation and Sustainable Use of Biodiversity: The Case of Marine and Coastal Protected Areas in India’, was held in New Delhi during 1-2 March 2012.The objective was to understand the impact of MCPAs on fishing communities, from an environmental-justice and human-rights perspective, and make specific proposals for better conservation while securing the livelihoods of small-scale fishers. The workshop also served to underscore these issues in light of the upcoming Conference of the Parties (COP) to the Convention on Biological Diversity (CBD), to be held at Hyderabad in October 2012.This publication contains the prospectus of the workshop and a report of the proceedings. It will be useful for fishworkers, non-governmental organizations, policymakers, trade unions, researchers and others interested in natural resource management and coastal and fishing communities.
    Description: ISBN 978-93-80802-08-04
    Keywords: Conservation ; Fisheries ; Sociology
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 1-66
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  • 22
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    United States Environmental Protection Agency | Washington, DC
    In:  http://aquaticcommons.org/id/eprint/14127 | 9596 | 2020-08-31 17:59:09 | 14127 | Galveston Bay Information Collection
    Publication Date: 2021-06-24
    Description: For the EPA, taking on the role of community helper and partner has been a challenge. As with any change of this magnitude, there has been a lot of trial and error, and important lessons have been learned by us, and our many partners, that are worth sharing. Oftentimes, these lessons have been shared informally through networking at conferences, by phone, or over the internet. This series of Watershed Lessons Learned is an attempt to identify the top lessons and present them in one place. We believe this document meets two real needs. First, it will help readers learn what works and what does not based on past experience. Second, it will assist people in reaching important resources and contacts that exist across the nation that can help them. In terms of using this piece, eash lesson is stand-alone and contains a short description of the lesson, a few examples to illustrate it (with a contact where more information can be obtained) and a list of key contacts and resources associated with the lesson. In addition, we have included in the appendix indices to help guide you - the reader - through the information. This includes answers to commonly asked questions - the ones that we heard over and over again as we developed this piece. In addition, this document is up on our fully searchable website at http://www.epa.gov/owow/lessons if you prefer to see and explore information that way.
    Keywords: Conservation ; Information Management ; watershed management
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 59
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  • 23
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    Division of Planning Coordination, Office of the Governor | Austin, TX
    In:  http://aquaticcommons.org/id/eprint/14129 | 9596 | 2020-08-31 18:00:16 | 14129 | Galveston Bay Information Collection
    Publication Date: 2021-06-24
    Description: Many policy decisions which will affect Coastal Zone activities must be made within the near future with inadequate quantitative economic, social, and environmental criteria. It is feasible to have an interim state policy allowing continued economic growth in the Coastal Zone but constraining such activities to coastal environmental units that would receive minimum detrimental environmental impact, thereby retaining as many options as possible for the State in the future. Each coastal environmental unit was evaluated in terms of its natural capability to sustain human use that affects its physical, hydrological, geological, chemical, and biological properties, and is grouped in an appropriate resource capability class. Each coastal environmental unit has at least one human activity which if uncontrolled would exceed the natural capacity of the unit. The problem of pollution of the groundwater aquifers and the lack of controls on groundwater use are emphasized. Other coastal environmental units such as the freshwater input, the coastal barriers, the wetlands and the grassflats, and the oyster reefs are termed threatened because they are in a delicate natural balance, are particularly susceptible to certain uses, and are important in the protection of life, property, or the natural coastal ecosystem. Although the major emphasis in this report is on those activities of man that may detrimentally affect coastal environmental units and resources, compatible uses also are outlined. Hypothetical examples are given to indicate the economic and social consequences arising from the implementation of management tools to lessen detrimental environmental impact. The conclusions outlined present positive steps needed to develop an effective Texas coastal management program.
    Description: Coastal Resources Management Program
    Keywords: Conservation ; Environment ; Management ; Policies ; coastal zone management ; seashore ecology
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    Type: monograph
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    Format: application/pdf
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    Surveillance Section, Field Operations Division, Texas Water Quality Board | Austin, TX
    In:  http://aquaticcommons.org/id/eprint/14158 | 9596 | 2020-08-31 20:22:35 | 14158 | Galveston Bay Information Collection
    Publication Date: 2021-06-24
    Description: The water quality segment report is designed to describe prevailing water quality in a segment and to provide a basis for decision making in the continuing effort to maintain and improve the quality of Texas' surface waters. Periodic updating of the report offers a basis for evaluation the success of past and present programs concerning the segment. In summary, Segment No. 2484 is the entire length of Corpus Christi Inner Harbor, which is a dredged blind canal opening on its eastern end to Corpus Christi Bay. The Inner Harbor is operated and maintained by Nueces County Navigation District No. 1, primarily to provide access for industries to ship traffic in the Gulf of Mexico and Intracoastal Canal. Hydrology is probably most influenced by wind-generated circulation in winter and spring, whereas tidal changes and industrial withdrawals become more important when wind activity is reduced. Storm runoff is potentially an important hydrological factor. The meeting of fresh and salt water, and surface warming, result in the formation of relatively stable layers of water during periods of low wind activity; this stratification enhances the differences in water quality between the surface and the bottom.
    Keywords: Conservation ; Management ; water quality
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    Type: book_section
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    In:  http://aquaticcommons.org/id/eprint/14179 | 9596 | 2020-08-31 20:27:25 | 14179 | Galveston Bay Information Collection
    Publication Date: 2021-06-24
    Keywords: Conservation ; Ecology ; ecology ; conservation ; man-induced effects ; environmental impact
    Repository Name: AquaDocs
    Type: conference_item
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    NOAA/National Marine Fisheries Service | Silver Spring, MD
    In:  http://aquaticcommons.org/id/eprint/14565 | 403 | 2014-02-19 22:33:38 | 14565 | United States National Marine Fisheries Service
    Publication Date: 2021-06-28
    Description: The Ecological Society of America and NOAA's Offices of Habitat Conservation and Protected Resources sponsored a workshop to develop a national marine and estuarine ecosystem classification system. Among the 22 people involved were scientists who had developed various regional classification systems and managers from NOAA and other federal agencies who might ultimately use this system for conservation and management. The objectives were to: (1) review existing global and regional classification systems; (2) develop the framework of a national classification system; and (3) propose a plan to expand the framework into a comprehensive classification system. Although there has been progress in the development of marine classifications in recent years, these have been either regionally focused (e.g., Pacific islands) or restricted to specific habitats (e.g., wetlands; deep seafloor). Participants in the workshop looked for commonalties across existing classification systems and tried to link these using broad scale factors important to ecosystem structure and function.
    Keywords: Conservation ; Ecology ; Policies
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    Type: monograph
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    Format: application/pdf
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    Comité Oceanográfico Nacional | La Habana, Cuba
    In:  http://aquaticcommons.org/id/eprint/14976 | 1545 | 2014-05-09 22:58:38 | 14976 | Acuario Nacional de Cuba
    Publication Date: 2021-06-30
    Description: Contiene los trabajos presentados, el programa científico y el perfil de instituciones marinas cubanas. Contains abstracts of the papers presented, the scientific program and the profile of Cuban marine institutions.
    Description: IAEA International Atomic Energy Agency
    Keywords: Conservation ; Ecology ; Fisheries ; Oceanography ; coastal zone ; marine resources ; aquaculture ; aquariology education ; genetics ; marine pollution ; microbiology ; zona costera ; recursos marinos ; acuacultura ; acuariología ; educación ; genética ; contaminación marina ; microbiología ; marine biodiversity ; biodiversidad marina ; congresos ; congress ; manejo integrado de la zona costera ; integrated management of the coastal zone ; simposio ; symposium ; cambio climático ; climate change ; Centro de Ingeniería y Manejo Ambiental de Bahías y Costas- CIMAB ; Instituto de Oceanología ; Instituto de Geología y Paleontología ; Acuario Nacional de Cuba ; taller ; workshop ; pesca ; fishery ; Cuba ; Congreso Latinoamericano ; ColacMarCuba ; Latin American Congress ; University for all ; Universidad para todos ; tabloides ; Conozcamos el Mar ; El Mundo subterráneao ; El Mar y sus recursos ; mamíferos marinos ; marine mammals ; biotechnology ; biotecnología ; marine ecosystem ; ecosistemas marinos ; marine sciences ; ciencias marinas ; CIM ; CIP ; conferencias ; conferences ; mesas redondas ; courses ; cursos.
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    Type: book , TRUE
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  • 28
    Publication Date: 2021-06-29
    Description: Los peces constituyen uno de los atractivos principales en los arrecifes coralinos para el buceoturístico, por lo cual resulta necesario monitorear su abundancia y valores estéticos. El objetivo de estainvestigación fue evaluar el estado de conservación de las asociaciones de peces arrecifales en cuatro delos principales polos turísticos del Archipiélago Sabana-Camagüey, Cuba en el año 2010. Semuestrearon 23 sitios de buceo turísticos en áreas adyacentes a las regiones de Varadero (5 sitios),cayos de Villa Clara (6 sitios), Cayo Coco (6 sitios) y Santa Lucia (6 sitios). En cada uno de ellos serealizaron seis réplicas de censos visuales de todas las especies de peces en recorridos lineales de 50 mde largo por 2 m de ancho, ocupando un área total de 600 m2. El puntaje más alto de conservación lopresentó los cayos de Villa Clara (37), siguiéndole en orden decreciente Cayo Coco (35), y con valoresmás bajos Varadero (24) y Santa Lucia (22). Los puntajes de las cuatro regiones fueron inferiores a losencontrados en otros arrecifes de Cuba y el Caribe. Los valores de Varadero y Santa Lucia secorrespondieron con los de arrecifes de hábitats degradados y sometidos a explotación pesquera. Engeneral, en la mayoría de las regiones predominaron peces de talla pequeña (〈20 cm) pertenecientes alas familias Pomacentridae y Labridae y hubo poca abundancia de peces carnívoros y herbívoros demediana (20-40 cm) y gran talla (〉40 cm).ABSTRACTFish are one of the main attractions on coral reefs for diving tourism; therefore, it is necessary tomonitor their condition and aesthetic values. The objective of this research was to evaluate the status ofreef fish assemblages in four tourist areas of Sabana-Camaguey Archipelago, Cuba in 2010. Twentythreetourist diving sites were sampled in adjacent areas to regions of Varadero (five sites), Villa Clarakeys (6 sites), Coco key (6 sites) and Santa Lucia (6 sites). In each region, six replicated visual census ofall fish species were conducted along belt transects of 50 m length and 2 m width, occupying a total areaof 600 m2. The highest conservation score was obtained by Villa Clara keys (37), followed in decreasingorder by Coco key (35), and with lower values Varadero (24) and St. Lucia (22). The scores of the fourregions were lower than the values of other Cuban and Caribbean reefs. The values of Varadero andSanta Lucia corresponded to reefs with degraded habitats and subject to overfishing. In general, small fish(〈 20 cm) from families Pomacentridae and Labridae, and low abundance of carnivore and herbivore fishof middle (20-40 cm) and large size (〉 40 cm) predominated in most regions.
    Description: GEF-PNUD
    Keywords: Conservation ; Ecology ; Cayo Coco ; Santa Lucia ; GEF-PNUD ; Varadero
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    Publication Date: 2021-06-30
    Description: Translated by S. Pearson and F.H. Fay
    Keywords: Biology ; Conservation
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    Type: monograph
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    Format: application/pdf
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    Publication Date: 2021-06-30
    Description: RESUMENSe comparó el grado de resiliencia de seis crestas arrecifales del este del golfo de Batabanó, Cuba. Tres fueron del norte del golfo de Cazones (Tramo Norte) y las restantes, del oeste de Cayo Largo (Tramo Sur). Las del primer tramo fueron las de faro Cazones, Norte de la cresta de cayo Diego Pérez y de faro Diego Pérez. Las otras tres fueron las de cayo Rico, arrecifes Los Ballenatos y arrecifes Hijos de Los Ballenatos. Se emplearon los indicadores biológicos del Protocolo AGRRA. El Tramo Norte presentó las crestas más resilientes, sobre todo la de faro Cazones. Las del Tramo Sur no exhibieron resiliencia. Fueron varios e interrelacionados, los factores aparentemente más determinantes en la resiliencia. Entre estos, cuatro se consideraron como fuerzas motrices: resguardo contra el oleaje, circulación habitual giratoria ciclónica en la ensenada de Cazones, entrada de nutrientes provenientes tanto de la ciénaga de Zapata como de aguas profundas, y abundancia del erizo herbívoro Diadema antillarum. Los demás factores, desencadenados por los anteriores y también interrelacionados, fueron, al parecer la menor afectación por oleaje y sedimentos, estabilización de fragmentos vivos de coral, índices favorables de macroalgas bentónicas, cierta retención de nutrientes y plancton, más alimentación heterotrófica de los corales, mayor auto reclutamiento de corales y del erizo Diadema; mejores condiciones para el asentamiento y viabilidad de los reclutas, y para el recapamiento de corales; mayor crecimiento y recuperación de los corales y mejores condiciones térmicas contra el blanqueamiento de coralesABSTRACTThe degree of resilience of six reef crest sites was compared at the east of the Gulf of Batabano, Cuba. Three of them were located north of the Gulf of Cazones (Northern Stretch), while the remaining ones were west of Cayo Largo (Southern Stretch). Those of the Northern Stretch were “Faro Cazones”, north of the crest of cayo Diego Pérez and “Faro Diego Pérez”. The remaining sites were those of the cayo Rico, Los Ballenatos reefs, and Hijos de Los Ballenatos reefs. The AGRRA biological indicators were applied. The Northern Stretch presented the most resilient crests, mainly that of “Faro Cazones”. Those of the Southern Stretch did not reveal signs of resilience. Several interrelated factors were apparently more linked to resilience. Four of them were considered as driving forces: shelter from waves, usual cyclonic revolving water circulation in the Ensenada de Cazones, nutrient input from the Zapata swamp and deep water, and the abundance of the herbivore sea urchin Diadema antillarum. Triggered by these driving forces, the remaining factors apparently were less effect of waves and sediments, stabilization of live coral fragments, favorable benthic macro-algae indices, some retention of nutrient and plankton, increased coral heterotrophic feeding; better conditions for recruit settlement and viability, and for coral re-sheeting; faster coral growth and recuperation and better thermal conditions against coral bleaching.
    Description: GEF-PNUD
    Keywords: Conservation ; Ecology ; Iniciativa Trinacional Cuba-México-EE.UU. ; cambio climático ; Conservación del Golfo de México ; Caribe Occidental
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    Type: article , TRUE
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    In:  tom.matthews@myfwc.com | http://aquaticcommons.org/id/eprint/15025 | 403 | 2014-06-02 18:21:53 | 15025 | United States National Ocean Service
    Publication Date: 2021-07-01
    Description: The fishery for spiny lobster Panulirus argus in the Florida Keys National Marine Sanctuary is well chronicled, but little information is available on the prevalence of lost or abandoned lobster traps. In 2007, towed-diver surveys were used to identify and count pieces of trap debris and any other marine debris encountered. Trap debris density (debris incidences/ha) in historic trap-use zones and in representative benthic habitats was estimated. Trap debris was not proportionally distributed with fishing effort. Coral habitats had the greatest density of trap debris despite trap fishers’ reported avoidance of coral reefs while fishing. The accumulation of trap debris on coral emphasizes the role of wind in redistributing traps and trap debris in the sanctuary. We estimated that 85,548 ± 23,387 (mean ± SD) ghost traps and 1,056,127 ± 124,919 nonfishing traps or remnants of traps were present in the study area. Given the large numbers of traps in the fishery and the lack of effective measures for managing and controlling the loss of gear, the generation of trap debris will likely continue in proportion to the number of traps deployed in the fishery. Focused removal of submerged trap debris from especially vulnerable habitats such as reefs and hardbottom, where trap debris density is high, would mitigate key habitat issues but would not address ghost fishing or the cost of lost gear.
    Keywords: Conservation ; Ecology ; Fisheries
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    In:  http://aquaticcommons.org/id/eprint/14661 | 403 | 2014-02-26 20:16:54 | 14661 | United States National Ocean Service
    Publication Date: 2021-07-01
    Description: Reef fish distributions are patchy in time and space with some coral reef habitats supporting higher densities (i.e., aggregations) of fish than others. Identifying and quantifying fish aggregations (particularly during spawning events) are often top priorities for coastal managers. However, the rapid mapping of these aggregations using conventional survey methods (e.g., non-technical SCUBA diving and remotely operated cameras) are limited by depth, visibility and time. Acoustic sensors (i.e., splitbeam and multibeam echosounders) are not constrained by these same limitations, and were used to concurrently map and quantify the location, density and size of reef fish along with seafloor structure in two, separate locations in the U.S. Virgin Islands. Reef fish aggregations were documented along the shelf edge, an ecologically important ecotone in the region. Fish were grouped into three classes according to body size, and relationships with the benthic seascape were modeled in one area using Boosted Regression Trees. These models were validated in a second area to test their predictive performance in locations where fish have not been mapped. Models predicting the density of large fish (≥29 cm) performed well (i.e., AUC = 0.77). Water depth and standard deviation of depth were the most influential predictors at two spatial scales (100 and 300 m). Models of small (≤11 cm) and medium (12–28 cm) fish performed poorly (i.e., AUC = 0.49 to 0.68) due to the high prevalence (45–79%) of smaller fish in both locations, and the unequal prevalence of smaller fish in the training and validation areas. Integrating acoustic sensors with spatial modeling offers a new and reliable approach to rapidly identify fish aggregations and to predict the density large fish in un-surveyed locations. This integrative approach will help coastal managers to prioritize sites, and focus their limited resources on areas that may be of higher conservation value.
    Keywords: Conservation ; Ecology ; Fisheries ; Management
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    NOAA/National Centers for Coastal Ocean Science | Silver Spring, MD
    In:  http://aquaticcommons.org/id/eprint/14700 | 403 | 2014-02-26 21:20:56 | 14700 | United States National Ocean Service
    Publication Date: 2021-07-02
    Description: The Tortugas Integrated Biogeographic Assessment presents a unique analysis of demographic changes in living resource populations, as well as societal and socioeconomic benefits that resulted from the Tortugas Ecological Reserves during the first five years after their implementation. In 2001, state and federal agencies established two no-take reserves within the region as part of the Florida Keys National Marine Sanctuary. The northern reserve (Tortugas Ecological Reserve North) was established adjacent to the DryTortugas National Park, which was first declared a national monument in 1935. The reserves were designed to protect a healthy coral reef ecosystem that supports diverse faunal assemblages and fisheries, serves as important spawning grounds for groupers and snappers, and includes essential feeding and breeding habitats for seabirds. The unique ecological qualities of the Tortugas region were recognized as far back as 1850, and it remains an important ecosystem and research area today.The two main goals of the Tortugas Ecological Reserve Integrated Ecological Assessment were: 1) to determineif demographic changes such as increases in abundance, average size and spawning potential of exploited populations occurred in the Tortugas region after reserve implementation; and 2) whether short-term economic losses occurred to fishers displaced by the reserve. This project utilized a biogeographic approach in which information on the physical features (i.e., habitat) and oceanographic patterns were first used to determine the spatial distribution of selected fish populations within and outside the Tortugas Ecological Reserve. Before-and-after reserve implementation comparisons of selected fish populations were then conducted to determine if demographic changes occurred in reef fish assemblages. These comparisonswere done for the Tortugas region and also for a subset of available habitats within the Tortugas Ecological Reserve Study Area. Social and economic impacts of the reserves were determined through: 1) analyses of commercial landings and revenues from fishers, operating in the Tortugas region before and after reserve implementation and 2) surveys of recreational tour guides. Analyses of the commercial landings and revenues excluded areas inside Dry Tortugas National Park because commercial fishing has been prohibitedwithin park boundaries since 1992. Key findings and outcomes of this integrated ecological assessment areorganized by chapter and listed below.
    Keywords: Conservation ; Fisheries ; Management
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    Type: monograph
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    Publication Date: 2021-07-02
    Description: This project characterized and assessed the condition of coastal water resources in the Dry Tortugas National Park (DRTO) located in the Florida Keys. The goal of the assessment was to: (1) identify the state of knowledge of natural resources that exist within the DRTO, (2) summarize the state of knowledge about natural and anthropogenic stressors and threats that affected these resources, and (3) describe strategies being implemented by DRTO managers to meet their resource management goals.The park, located in the Straits of Florida 113 km (70 miles) west of Key West, is relatively small (269 square kilometers) with seven small islands and extensive shallow water coral reefs. Significant natural resources within DRTO include coastal and oceanic waters, coral reefs, reef fisheries, seagrass beds, and sea turtle and bird nesting habitats. This report focuses on marine natural resources identified by DRTO resource managers and researchers as being vitally important to the Tortugas region and the wider South Florida ecosystem. Selected marine resources included physical resources (geology, oceanography, and water quality) and biological resources (coral reef and hardbottom benthic assemblages, seagrass and algal communities, reef fishes and macro invertebrates, and wildlife [sea turtles and sea-birds]). In the past few decades, some of these resources have deteriorated because of natural and anthropogenic factors that are local and global in scale. To meet mandated goals (Chapter 1), resource managers need information on: (1) the types and condition of natural and cultural resources that occur within the park and (2) the stressors and threats that can affect those resources. This report synthesizes and summarizes information on: (1) the status of marine natural resources occurring at DRTO; and (2) types of stressors and threats currently affecting those resources at the DRTO.Based on published information, the assessment suggests that marine resources at DRTO and its surrounding region are affected by several stressors, many of which act synergistically. Of the nine resource components assessed, one resource category – water quality – received an ecological condition ranking of "Good"; two components – the nonliving portion of coral reef and hardbottom and reef fishes – received a rating of "Caution"; and two components – the biotic components of coral reef and hardbottom substrates and sea turtles – received a rating of "Significant concern" (Table E-1). Seagrass and algal communities and seabirds were unrated for ecological condition because the available information was inadequate. The stressor category of tropical storms was the dominant and most prevalent stressor in the Tortugas region; it affected all of the resource components assessed in this report. Commercial and recreational fishing were also dominant stressors and affected 78% of the resource components assessed. The most stressed resource was the biotic component of coral reef and hardbottom resources, which was affected by 76% of the stressors. Water quality was the least affected; it was negatively affected by 12% of stressors. The systematic assessment of marine natural resources and stressors in the Tortugas region pointed to several gaps in the information. For example, of the nine marine resource components reviewed in this report, the living component of coral reefs and hardbottom resources had the best rated information with 25% of stressor categories rated "Good" for information richness. In contrast, the there was a paucity of information for seagrass and algal communities and sea birds resource components.
    Keywords: Biology ; Conservation ; Ecology ; Fisheries ; Management
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    In:  http://aquaticcommons.org/id/eprint/14712 | 403 | 2020-10-11 21:39:04 | 14712 | United States National Ocean Service
    Publication Date: 2021-07-02
    Description: The purpose of this project is to model seabird flock size data to provide recommendations to the Bureau of Ocean and Energy Management for offshore wind turbine placement. Our hypothesis is that ecological characteristics influence which statistical distribution will provide the best fit toseabird flock size data. To test this, seabird species can be grouped based on shared ecological traits, such as foraging mechanism or diet.
    Description: 33 page file also contains the Programme for the meeting.
    Keywords: Conservation ; Management
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    Type: conference_item
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    NOAA/NOC NCCOS | Silver Spring, MD
    In:  http://aquaticcommons.org/id/eprint/14713 | 403 | 2014-02-21 21:43:07 | 14713 | United States National Ocean Service
    Publication Date: 2021-07-02
    Description: BOEM
    Description: USGS
    Description: Powerpoint presentation - 23 slides
    Keywords: Conservation ; Management
    Repository Name: AquaDocs
    Type: monograph
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    In:  http://aquaticcommons.org/id/eprint/14714 | 403 | 2014-02-21 21:42:29 | 14714 | United States National Ocean Service
    Publication Date: 2021-07-02
    Description: Powerpoint presentation
    Keywords: Conservation ; Management
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    Type: conference_item
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    NOAA/Centers for Coastal Ocean Science | Silver Spring, MD
    In:  http://aquaticcommons.org/id/eprint/14760 | 403 | 2014-02-26 21:17:06 | 14760 | United States National Ocean Service
    Publication Date: 2021-07-03
    Description: The Chesapeake Bay is the largest estuary in theUnited States. It is a unique and valuable national treasurebecause of its ecological, recreational, economicand cultural benefits. The problems facing the Bay arewell known and extensively documented, and are largelyrelated to human uses of the watershed and resourceswithin the Bay. Over the past several decades as theorigins of the Chesapeake’s problems became clear, citizensgroups and Federal, State, and local governmentshave entered into agreements and worked together torestore the Bay’s productivity and ecological health.In May 2010, President Barack Obama signed ExecutiveOrder number 13508 that tasked a team of Federalagencies to develop a way forward in the protectionand restoration of the Chesapeake watershed. Successof both State and Federal efforts will depend on havingrelevant, sound information regarding the ecology andfunction of the system as the basis of management anddecision making. In response to the executive order, theNational Oceanic and Atmospheric Administration’sNational Centers for Coastal Ocean Science (NCCOS)has compiled an overview of its research in ChesapeakeBay watershed.NCCOS has a long history of Chesapeake Bay research,investigating the causes and consequences of changesthroughout the watershed’s ecosystems. This documentpresents a cross section of research results that have advanced the understanding of the structure and functionof the Chesapeake and enabled the accurate and timelyprediction of events with the potential to impact bothhuman communities and ecosystems. There are three main focus areas: changes in land use patterns in the watershed and the related impacts on contaminant and pathogen distribution and concentrations; nutrient inputs and algal bloom events; and habitat use and life history patterns of species in the watershed.Land use changes in the Chesapeake Bay watershed have dramatically changed how the system functions. Acomparison of several subsystems within the Bay drainageshas shown that water quality is directly related to land use and how the land use affects ecosystem health of the rivers and streams that enter the Chesapeake Bay. Across the Chesapeake as a whole, the rivers that drain developed areas, such as the Potomac and James rivers, tend to have much more highly contaminated sediments than does the mainstem of the Bay itself. In addition to what might be considered traditional contaminants, such as hydrocarbons, new contaminants are appearing in measurable amounts. At fourteen sites studied in the Bay, thirteen different pharmaceuticals were detected. The impact of pharmaceuticals on organisms and the people who eat them is still unknown. The effects of water borne infections on people and marine life are known, however, and the exposure to certain bacteria is a significant health risk. A model is now available that predicts the likelihood of occurrence of a strain of bacteria known as Vibrio vulnificus throughout Bay waters.
    Keywords: Conservation ; Ecology ; Fisheries ; Management
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    Type: monograph
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    NOAA/National Centers for Coastal Ocean Science | Charleston, SC
    In:  http://aquaticcommons.org/id/eprint/14762 | 403 | 2014-02-26 21:14:38 | 14762 | United States National Ocean Service
    Publication Date: 2021-07-03
    Description: In June 2008, the NOAA National Ocean Service (NOS), in conjunction with the EPA National Health and Environmental Effects Laboratory (NHEERL), conducted an assessment of the status of ecological condition of soft-bottom habitat and overlying waters within the boundaries of Stellwagen Bank National Marine Sanctuary (SBNMS). The sanctuary lies approximately 20 nautical miles east of Boston, MA in the southwest Gulf of Maine between Cape Ann and Cape Cod and encompassing 638 square nautical miles (2,181 km2). A total of 30 stations were targeted for sampling using standard methods and indicators applied in prior NOAA coastalstudies and EPA’s Environmental Monitoring and Assessment Program (EMAP) and National Coastal Assessment (NCA). A key feature adopted from these studies was the incorporation of a random probabilistic sampling design. Such a design provides a basis for making unbiased statistical estimates of the spatial extent of ecological condition relative to various measured indicators and corresponding thresholds of concern. Indicators included multiple measures of water quality, sediment quality, and biological condition (benthic fauna, fish tissue contaminant levels).Depths ranged from 31 – 137 m throughout the study area. About 76 % of the area had sediments composed of sands (〈 20 % silt-clay), 17 % of the area was composed of intermediate muddy sands (20 – 80 % silt-clay), and 7 % of the sampled area consisted of mud (〉 80 % siltclay). About 70 % of the area (represented by 21 sites) had sediment total organic carbon (TOC) concentrations 〈 5 mg/g and all but one site (located in Stellwagen Basin) had levels of TOC 〈 20 mg/g, which is well below the range potentially harmful to benthic fauna (〉 50 mg/g).Surface salinities ranged from 30.6 – 31.5 psu, with the majority of the study region (approximately 80 % of the area) having surface salinities between 30.8 and 31.4 psu. Bottom salinities varied between 32.1 and 32.5 psu, with bottom salinities at all sites having values above the range of surface salinities. Surface-water temperatures varied between 12.1 and 16.8 ºC, while near-bottom waters ranged in temperature from 4.4 – 6.2 ºC. An index of densitystratification (Δσt) indicated that the waters of SBNMS were stratified at the time of sampling. Values of Δσt at 29 of the 30 sites sampled in this study (96.7 % of the study area) varied from 2.1 – 3.2, which is within the range considered to be indicative of strong vertical stratification (Δσt 〉 2) and typical of the western Gulf of Maine in summer.Levels of dissolved oxygen (DO) were confined to a fairly narrow range in surface (8.8 – 10.4 mg/L) and bottom (8.5 – 9.6 mg/L) waters throughout the survey area. These levels are within the range considered indicative of good water quality (〉 5 mg/L) with respect to DO. None of these waters had DO at low levels (〈 2 mg/L) potentially harmful to benthic fauna and fish.
    Keywords: Conservation ; Ecology ; Fisheries ; Management
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    In:  http://aquaticcommons.org/id/eprint/14787 | 403 | 2014-02-27 22:40:29 | 14787 | United States National Ocean Service
    Publication Date: 2021-06-25
    Description: Marine protected areas (MPAs) represent a form of spatial management, and geospatial information on living marine resources and associated habitat is extremely important to support best management practices in a spatially discrete MPA. Benthic habitat maps provide georeferenced information on the geomorphic structure and biological cover types in the marine environment. This information supports an enhanced understanding of ecosystem function and species habitat utilization patterns. Benthic habitat maps are most useful for marine management and spatial planning purposes when they are created at a scale that is relevant to management actions. We sought to improve the resolution of existing benthic habitat maps created during a regional mapping effort in Hawai`i. Our results complemented these existing regional maps and provided more detailed, finer-scale habitat maps for a network of MPAs in West Hawai`i. The map products created during this study allow local planners and managers to extract information at a spatial scale relevant to the discrete management units, and appropriate for local marine management efforts on the Kona Coast. The resultant benthic habitat maps were integrated in a geographic information system (GIS) that also included aerial imagery, underwater video, MPA regulations, summarized ecological data and other relevant and spatially explicit information. The integration of the benthic habitat maps with additional “value added” geospatial information into a dynamic GIS provide a decision support tool with pertinent marine resource information available in one central location and support the application of a spatial approach to the management of marine resources. Further, this work can serve as a case study to demonstrate the integration of remote sensing products and GIS tools at a fine spatial scale relevant to local-level marine spatial planning and management efforts.
    Keywords: Conservation ; Management ; Planning
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    NOAA/National Centers for Coastal Ocean Science | Silver Spring, MD
    In:  http://aquaticcommons.org/id/eprint/14843 | 403 | 2014-03-04 22:11:11 | 14843 | United States National Ocean Service
    Publication Date: 2021-06-26
    Description: The United States Coral Reef Task Force (USCRTF) was established in 1998 by Presidential Executive Order 13089 to lead U.S. efforts to preserve and protect coral reef ecosystems. Current, accurate, and consistent maps greatly enhance efforts to preserve and manage coral reef ecosystems. With comprehensive maps and habitat assessments, coral reef managers can be more effective in designing and implementing a variety of conservation measures, including:• Long-term monitoring programs with accurate baselines from which to track changes;• Place-based conservation measures such as marine protected areas (MPAs); and• Targeted research to better understand the oceanographic and ecological processes affecting coral reef ecosystem health.The National Oceanic and Atmospheric Administration’s (NOAA) National Ocean Service (NOS) is tasked with leading the coral ecosystem mapping element of the U.S. Coral Reef Task Force (CRTF) under the authority of the Presidential Executive Order 13089 to map and manage the coral reefs of the United States.
    Keywords: Conservation ; Environment ; Fisheries ; Management
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    In:  http://aquaticcommons.org/id/eprint/15051 | 403 | 2014-05-27 14:23:42 | 15051 | United States National Marine Fisheries Service
    Publication Date: 2021-07-01
    Description: A major cause of the steep declines of American oyster (Crassostrea virginica) fisheries is the loss of oyster habitat through the use of dredges that have mined the reef substrata during a century of intense harvest. Experiments comparing the efficiency and habitat impacts of three alternative gears for harvesting oysters revealed differences among gear types that might be used to help improve the sustainability of commercial oyster fisheries. Hand harvesting by divers produced 25−32% more oysters per unit of time of fishing than traditional dredging and tonging, although the dive operation required two fishermen, rather than one. Per capita returns for dive operations may nonetheless be competitive with returns for other gears even in the short term if one person culling on deck can serve two or three divers. Dredging reduced the height of reef habitat by 34%, significantly more than the 23% reduction caused by tonging, both of which were greater than the 6% reduction induced by diver hand-harvesting. Thus, conservation of the essential habitat and sustainability of the subtidal oyster fishery can be enhanced by switching to diver hand-harvesting. Management schemes must intervene to drive the change in harvest methods because fishermen will face relatively high costs in making the switch and will not necessarily realize the long-term ecological benefits.
    Keywords: Conservation ; Fisheries ; Management
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    In:  osf@vti.bund.de | http://aquaticcommons.org/id/eprint/4312 | 1240 | 2012-11-10 22:48:22 | 4312 | Bundesforschungsanstalt für Fischerei
    Publication Date: 2021-07-01
    Description: Johann Heinrich von Thünen-Institut, Federal Research Institute for Rural Areas, Forestry and Fisheries began publishing the Informationen aus der Fischereiforschung = Information on Fishery research in 2010
    Keywords: Conservation ; Fisheries ; EU regulations ; conservation ; fish stocks
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    In:  sf@vti.bund.de | http://aquaticcommons.org/id/eprint/4498 | 1240 | 2012-11-11 17:53:27 | 4498 | Bundesforschungsanstalt für Fischerei
    Publication Date: 2021-07-03
    Description: Der vereinzelte Fang markierter Störe (Acipenser sturio L.) im Bereich der Deutschen Bucht - die bisher letzte Meldung stammt aus dem Juni 1989 - gibt Anla0, auf französische Bemühungen zur Erhaltung dieses stark vom Aussterben bedrohten "Naturdenkmals" hinzuweisen und die deutsche Fischerei, insbesondere die kleine Hochsee- und Küstenfischerei um Unterstützung der Erhaltungsmaßnahmen zu bitten.
    Description: Johann Heinrich von Thünen-Institut, Federal Research Institute for Rural Areas, Forestry and Fisheries began publishing the Informationen aus der Fischereiforschung = Information on Fishery research in 2010
    Keywords: Conservation ; Fisheries ; conservation measures ; Acipenser sturio ; french efforts
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    American Cetacean Society. Monterey Bay Chapter | Pacific Grove, CA
    In:  http://aquaticcommons.org/id/eprint/4511 | 29 | 2013-02-26 23:23:51 | 4511 | American Cetacean Society. Monterey Bay Chapter.
    Publication Date: 2021-07-03
    Description: (PDF contains 88 pages.)
    Keywords: Conservation ; Management ; Fisheries ; Biology ; marine mammals ; sea otters ; whales ; dolphins ; porpoises
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    In:  library@fba.org.uk | http://aquaticcommons.org/id/eprint/4522 | 1256 | 2011-09-29 16:16:12 | 4522 | Freshwater Biological Association
    Publication Date: 2021-07-04
    Description: This paper discusses the particular contribution of the SSSI (Sites of Special Scientific Interest) as a way of nature conservation for rivers. In 1989, the Nature Conservancy Council proposed a dual selection system for selection of rivers; either (1) "Whole river" SSSIs representing the main types of river, or rivers which show classic and representative transitions down their lengths, or (2) "Sectional" SSSIs which are shorter stretches of river with high nature conservation interest. The NCC has recently classified all SSSIs with a river interest into 4 categories: - river SSSIs, river valley SSSIs, river adds interest - where the river clearly adds biological interest to the site, and rivers of incidental interest. The overall length of river SSSIs amounts to almost 1000 km.
    Keywords: Conservation ; Law ; environmental legislation ; nature conservation ; rivers ; Great Britain
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    Format: application/pdf
    Format: 95-108
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    In:  http://aquaticcommons.org/id/eprint/4524 | 1256 | 2011-09-29 16:16:34 | 4524 | Freshwater Biological Association
    Publication Date: 2021-07-04
    Description: Pond Action is an independent freshwater conservation project which was started in 1987. It is based in the School of Biological and Molecular Sciences in Oxford Polytechnic and has five full-time staff with two senior advisors. The main aim of Pond Action's work has been to promote the conservation of ponds by creating a sound, scientific basis for pond conservation. An essential aspect of this work is the need to make the results of scientific work available and understandable to everybody concerned with pond conservation.
    Keywords: Conservation ; Ecology ; conservation ; ponds ; great britain
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    In:  library@fba.org.uk | http://aquaticcommons.org/id/eprint/4532 | 1256 | 2011-09-29 16:17:11 | 4532 | Freshwater Biological Association
    Publication Date: 2021-07-04
    Description: The aim of this paper is to summarize the present legislation aimed at protecting freshwater species in Britain, and briefly to review its effectiveness. Some areas have been deliberately omitted, such as fisheries legislation designed to conserve stocks, and the statutory protection of birds associated with fresh waters which forms a large subject area in its own right.
    Keywords: Ecology ; Law ; Pollution ; Conservation ; Freshwater organisms ; Inland water environment ; Legislation ; Protected resources ; Rare species ; Vernacular names ; British isles
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    In:  library@fba.org.uk | http://aquaticcommons.org/id/eprint/4555 | 1256 | 2011-09-29 16:15:26 | 4555 | Freshwater Biological Association
    Publication Date: 2021-07-04
    Description: Loch Fleet is a small upland lake in the hills of Galloway in southwest Scotland. In the 1970s the waters of the loch became more acidic and a brown trout fishery failed. This account summarises an experimental project, the "Loch Fleet Project" initiated in 1984, designed to reverse acidification of the loch by liming parts of the catchment. Liming about 40% of the catchment in 1986 and 1987 raised the pH and calcium levels, and reduced toxic aluminium concentrations. The improved conditions had been maintained up to 1994, but water in the loch, and its principal inflow stream, is now falling close to the desired threshold of quality. After liming, restocking with local strains of trout in 1987 was successful, and a self-recruiting population became established within 2 years. Recruitment is highly variable, however, and was attributed to severe spring conditions and the limited spawning capacity of the nursery stream, rather than to water quality.
    Keywords: Conservation ; Fisheries ; Limnology ; Acidification ; Habitat improvement (chemical) ; Scotland ; Loch Fleet
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    In:  http://aquaticcommons.org/id/eprint/4571 | 1256 | 2011-09-29 16:13:37 | 4571 | Freshwater Biological Association
    Publication Date: 2021-07-04
    Description: Smelt populations have been recorded since the 18th Century from at least 15 rivers in Scotland, but over the last Century the species has suffered a severe decline and has disappeared from all its former sites except the rivers Cree, Forth and Tay. These populations must now be regarded as having high conservation importance. There are probably several different reasons for this decline. In some rivers, such as the Clyde and the Stinchar, pollution in the lower reaches has prevented successful migration and reproduction. In other rivers, high weirs and barriers have completely cut off access to spawning grounds. In some estuaries and rivers, such as the Solway Firth, overfishing is believed to have been responsible for eliminating local stocks. A Species Action Plan for the smelt has been prepared and it is hoped that this will be the basis of a future conservation strategy for this species in Scotland.
    Keywords: Ecology ; Conservation ; Limnology ; life history ; lotic environment ; rare species ; spawning populations ; Scotland
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    In:  http://aquaticcommons.org/id/eprint/4622 | 1256 | 2011-09-29 16:10:11 | 4622 | Freshwater Biological Association
    Publication Date: 2021-07-05
    Description: This paper summarises a meeting which discussed the ecology and conservation of Llangorse Lake in South Wales. The meeting was organised by the British Ecological Society (Aquatic Ecology Group), in association with the Countryside Council for Wales (CCW), Brecon Beacon National Park Authority (BBNPA) and Environment Agency Wales. It took place on 22 October 1998.
    Keywords: Conservation ; Ecology ; Limnology ; Freshwater lakes ; Quaternary ; Palaeolimnology ; Archaeology ; Conservation ; Sedimentation ; Macrophytes ; Wales ; Llangrose Lake
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    In:  http://aquaticcommons.org/id/eprint/4624 | 1256 | 2011-09-29 16:10:25 | 4624 | Freshwater Biological Association
    Publication Date: 2021-07-05
    Description: The authors present the findings of a restoration project in Loch Enoch in Scotland. There are historical references that brown trout was present in Loch Enoch up to the 1920s but it is believed the acidity of loch triggered the disappearance of Salmo trutta. The recent observed reduction in the acidity of L. Enoch to a level close to that found in nearby lochs with trout populations, suggested that trout might now survive in L. Enoch. For a population to survive, all stages in the life-cycle of a species must be able to develop. Accordingly, tests were undertaken, first with eggs and fry. The availability of food was also studied. In October 1994, 3,000 yearling trout of L. Grannoch origin which had been reared in a local hatchery were distributed throughout the loch. The fish population was studied from 1995-98. The authors conclude that survival of the trout population is possible if the acidity of the loch water remains low.
    Keywords: Ecology ; Conservation ; Limnology ; Restoration ; Stocks ; Stock assessment ; Freshwater lakes ; Acidity ; Scotland ; Loch Enoch ; Salmo trutta
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    In:  http://aquaticcommons.org/id/eprint/4641 | 1256 | 2011-09-29 16:08:38 | 4641 | Freshwater Biological Association
    Publication Date: 2021-07-05
    Description: The general decline of the endangered freshwater pearl mussel Margaritifera margaritifera (L.) throughout its holarctic range is well documented. Scotland is considered to be a stronghold of margaritifera, containing approximately half of the world's known remaining viable populations. However, even here the majority of populations have declined and many have disappeared completely. This article provides an overview of the freshwater pearl mussel life-cycle and the life-cycle of salmonids which are the host fish during the freshwater mussels short parasitic larval phase. The authors highlight the potential implications of the decline of salmonids for freshwater populations in Scotland.
    Keywords: Conservation ; Biology ; Limnology ; Freshwater molluscs ; Freshwater fish ; Life cycle ; Nature conservation ; Rare species ; Margaritifera margaritifera ; Salmo salar ; Salmo trutta
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    In:  http://aquaticcommons.org/id/eprint/4654 | 1256 | 2011-09-29 16:07:17 | 4654 | Freshwater Biological Association
    Publication Date: 2021-07-05
    Description: More than 4000 ponds have been created or restored in Denmark since 1985 as part of a large-scale pond-digging programme to protect endangered amphibians in particular and pond flora and fauna in general. Most ponds are created on private land with public financing. The programme was triggered by, among other factors, a drastic decline in amphibian populations in Denmark between 1940 and 1980. However, in recent years there has been an increased awareness in Denmark that temporary ponds are important for the conservation of some of the most rare amphibian species, such as fire-bellied toad Bombina bombina, natterjack toad Bufo calamita and green toad Bufo viridis. Other rare species such as moor frog Rana arvalis and European tree frog Hyla arborea also benefit from temporary ponds. The last 15 years of work on the conservation of endangered species and their habitats has resulted in a last-minute rescue and a subsequent growth in the size of most Danish populations of fire-bellied toad and green toad; some populations of the relatively more common natterjack toad have also increased. The creation of temporary ponds plays an important role in the success of these three species. The creation of ponds to help restore viable populations of the most rare amphibians has not been easy. To study the conditions that may need to be created, Danish herpetologists searched for areas with temporary ponds that had good water quality, natural hydrological conditions and a management regime influenced by traditional agricultural methods. The paper gives an overview of pond creation and restoration projects in Denmark and Poland and their significance for amphibian diversity.
    Keywords: Ecology ; Conservation ; Limnology ; Temporary ponds ; Habitat ; Nature conservation ; Amphibiotic species ; Restoration ; Bufo calamita ; Bufo viridis ; Bombina bombina ; Denmark ; Poland
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4653 | 704 | 2011-09-29 16:12:42 | 4653 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Description: Leverhulme Trust
    Description: Royal Society
    Description: Max-Planck Institute
    Keywords: Conservation ; Biology ; Marine iguana ; Amblyrhynchus cristatus ; Santa Fe ; Galápagos
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    In:  http://aquaticcommons.org/id/eprint/4658 | 1256 | 2011-09-29 16:07:11 | 4658 | Freshwater Biological Association
    Publication Date: 2021-07-05
    Description: This article explores the diversity of scientific disciplines and paradigms, their relevance for policy development, how policy emerges throughout society,-and the mechanisms by which scientists can promote the value of science in policy formation. The author gives examples from various countries where freshwater science was used to inform policy.
    Keywords: Limnology ; Policies ; Freshwater sciences ; Policies ; Legislation ; Conservation
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4667 | 704 | 2011-09-29 16:06:47 | 4667 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Keywords: Conservation ; Noticias de Galápagos ; Thomas H. Fritts ; Isla Santa Cruz ; Galápagos
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4668 | 704 | 2011-09-29 16:06:15 | 4668 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Keywords: Conservation ; Environment ; Charles Darwin Research Station ; Charles Darwin Foundation ; Galápagos
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    In:  http://aquaticcommons.org/id/eprint/4656 | 1256 | 2011-09-29 16:07:14 | 4656 | Freshwater Biological Association
    Publication Date: 2021-07-05
    Description: This article reports on the success of reintroducing native crayfish (Austropotamobius pallipes) in the Sherston and Tetbury Avon, following extinction of the population from crayfish plague. The authors describe and review the survey methods that were used and identify a survey technique that was found to be the most rapid and robust for monitoring crayfish populations. Such a survey technique could be adopted as a standard method.
    Keywords: Ecology ; Conservation ; Limnology ; Modelling ; Spatial analysis ; Aquatic environment ; Models ; Food webs ; Predator prey interactions ; England ; Tetbury Avon River
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    In:  http://aquaticcommons.org/id/eprint/4651 | 1256 | 2013-10-27 12:15:53 | 4651 | Freshwater Biological Association
    Publication Date: 2021-07-05
    Description: Although there is a growing awareness of the value of temporary ponds in Europe, there is still remarkably little information available to help guide their conservation and management.General principles which can be used to guide the managementof temporary ponds as a whole have yet to be established. The aim of this article, therefore, is to give a broader overview of the main principles of temporary pond conservation, particularly by building on a number of general principles for managing ponds previously described by Biggs et al. (1994) and Williams et al. The authors emphasise the importance of surveys in order to get data on which to base management strategies. The main principles of temporary pond management are described, and examples of three case studies of ponds in England are given.
    Keywords: Management ; Limnology ; Temporary ponds ; Habitat ; Management ; England ; Conservation
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4670 | 704 | 2011-09-29 16:06:11 | 4670 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Keywords: Conservation ; Galapagos National Park ; Isla Santa Cruz ; Galápagos
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4669 | 704 | 2011-09-29 16:06:10 | 4669 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Keywords: Conservation ; Puerto Ayora ; Isla Santa Cruz ; Galápagos
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4671 | 704 | 2011-09-29 16:06:13 | 4671 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Keywords: Conservation ; Environment ; Miconia robinsoniana ; Scalesia pedunculata ; La Toma ; Isla San Cristóbal ; Galápagos
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    Type: article
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    In:  http://aquaticcommons.org/id/eprint/4674 | 3 | 2011-09-29 16:06:07 | 4674 | Florida Cooperative Fish and Wildlife Research Unit
    Publication Date: 2021-07-05
    Description: A publication of the Society of Wetland Scientists
    Keywords: Conservation ; Environment ; Planning ; Everglades ; vegetation ; restoration
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4678 | 704 | 2011-09-29 16:05:41 | 4678 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Keywords: Biology ; Conservation ; Buddleja americana ; Isla Floreana ; Galápagos
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4680 | 704 | 2011-09-29 16:05:08 | 4680 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Keywords: Conservation ; Charles Darwin Foundation ; Isla Santa Cruz ; Galápagos
    Repository Name: AquaDocs
    Type: article
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4679 | 704 | 2011-09-29 16:05:32 | 4679 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Keywords: Conservation ; Geochelone elephantopus ; Giant Tortoise ; Isla Pinzón ; Isla Española ; Isla Santa Cruz ; Galápagos
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4681 | 704 | 2011-09-29 16:05:10 | 4681 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Description: World Wildlife Fund
    Description: Charles Darwin Research Station project number 1719.
    Keywords: Conservation ; flightless cormorant ; Nannopterium harrisi ; Galapagos penguin ; Spheniscus mendiculus ; Isla Isabela ; Isla Fernandina ; Galápagos
    Repository Name: AquaDocs
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4682 | 704 | 2011-09-29 16:05:23 | 4682 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Description: Royal Visit.The Vice President of Ecuador in the Galápagos.The Galápagos Marine Resources Reserve.The Charles Darwin Foundation Endowment Fund.Repatriation of Captive-bred Land Iguanas.The 1987 Flamingo Census.Experimental Plantations to Provide Building Timber.Visitors and Events at the Charles Darwin Research Station.
    Keywords: Conservation ; King Carl Gustav ; Queen Sylvia ; Dr. Blasco Peñaherrera Padilla ; Galápagos Marine Reserve ; Land Iguana ; Conolophus subcristatus ; Galápagos Greater Flamingo ; Phoenicopterus ruber ; Tree plantations ; Isla Santa Cruz ; Galápagos
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4695 | 704 | 2011-09-29 16:04:06 | 4695 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Description: Front cover. Information for supporters of the Charles Darwin Foundation. Contents.
    Keywords: Conservation
    Repository Name: AquaDocs
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4697 | 704 | 2011-09-29 16:04:11 | 4697 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Description: Map of Galápagos. Medium Ground Finch (Geospiza fortis), Drawing by Godfrey Merlen.
    Keywords: Conservation
    Repository Name: AquaDocs
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4700 | 704 | 2011-09-29 16:04:28 | 4700 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Keywords: Conservation ; Lady Barlow ; Nora Barlow
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    Type: article
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4698 | 704 | 2011-09-29 16:04:12 | 4698 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Description: Front cover. Contents. (PDF contains 2 pages)
    Keywords: Conservation
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4699 | 704 | 2011-09-29 16:04:26 | 4699 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Description: Back cover. Map of Galápagos. Galapagos Penguin, Photo by G.T. Corley Smith.
    Keywords: Conservation
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4723 | 704 | 2011-09-29 15:59:05 | 4723 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Keywords: Conservation ; President Léon Febres Cordero ; Nature Conservancy ; fundraising ; donations ; Galapagos
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    Type: article
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    Format: application/pdf
    Format: p.1
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    In:  http://aquaticcommons.org/id/eprint/4729 | 3173 | 2011-09-29 15:58:11 | 4729
    Publication Date: 2021-07-05
    Description: Terns and skimmers nesting on saltmarsh islands often suffer large nest losses due to tidal and storm flooding. Nests located near the center of an island and on wrack (mats of dead vegetation, mostly eelgrass Zostera) are less susceptible to flooding than those near the edge of an island and those on bare soil or in saltmarsh cordgrass (Spartina alterniflora). In the 1980’s Burger and Gochfeld constructed artificial eelgrass mats on saltmarsh islands in Ocean County, New Jersey. These mats were used as nesting substrate by common terns (Sterna hirundo) and black skimmers (Rynchops niger). Every year since 2002 I have transported eelgrass to one of their original sites to make artificial mats. This site, Pettit Island, typically supports between 125 and 200 pairs of common terns. There has often been very little natural wrack present on the island at the start of the breeding season, and in most years natural wrack has been most common along the edges of the island. The terns readily used the artificial mats for nesting substrate. Because I placed artificial mats in the center of the island, the terns have often avoided the large nest losses incurred by terns nesting in peripheral locations. However, during particularly severe flooding events even centrally located nests on mats are vulnerable. Construction of eelgrass mats represents an easy habitat manipulation that can improve the nesting success of marsh-nesting seabirds.
    Keywords: Biology ; Conservation ; Ecology ; Management
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    American Cetacean Society. Monterey Bay Chapter | Pacific Grove, CA
    In:  http://aquaticcommons.org/id/eprint/4730 | 29 | 2015-01-05 23:46:34 | 4730 | American Cetacean Society. Monterey Bay Chapter.
    Publication Date: 2021-07-05
    Description: (PDF contains 92 pages.)
    Keywords: Biology ; Conservation ; Fisheries ; Management ; marine mammals ; sea otters ; whales ; dolphins ; porpoises
    Repository Name: AquaDocs
    Type: monograph
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4733 | 704 | 2011-09-29 15:57:22 | 4733 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Description: Conservation problems and programmes. The giant tortoises. The land iguanas. The Hawaiian petrels. The penguins, cormorants and gulls. The fire ants. The control of introduced mammals. Botany. Marine biology. Galapagos cave faunas. Rare twin births of giant tortoises. Visitors and events at the Charles Darwin Research Station (CDRS).
    Keywords: Conservation ; Galapagos ; giant tortoise ; Land Iguana ; Conolopus subcristatus ; Hawaiian petrel ; Pterodromo phaeophygia ; Galapagos penguin ; Flightless Cormorant ; Lava Gull ; Fire Ants ; invasive species ; Giant Sea Star ; Luida superba
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4738 | 704 | 2011-09-29 15:57:25 | 4738 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Keywords: Conservation ; Hawaiian petrel ; Dark-rumped petrel ; Pterodroma phaeopygia ; Lantana camara L. ; introduced plants ; Floreana ; Gal
    Repository Name: AquaDocs
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4740 | 704 | 2011-09-29 15:57:28 | 4740 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Description: World Wildlife Fund
    Keywords: Conservation ; Floreana mockingbird ; Nesomimus trifasciatus ; black rats ; Rattus rattus ; Champion ; Gardner-by-Floreana ; Floreana ; Galapagos
    Repository Name: AquaDocs
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4741 | 704 | 2011-09-29 15:57:30 | 4741 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Keywords: Biology ; Conservation ; Galapagos Penguin ; Spheniscus mendiculus ; Flightless Cormorant ; Nannopterum harrisi ; Isla Isabela ; Isla Fernandina ; Galapagos ; El Niño - Southern Oscillation (ENSO) ; census ; population size
    Repository Name: AquaDocs
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    Format: application/pdf
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4742 | 704 | 2011-09-29 15:57:48 | 4742 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Keywords: Biology ; Conservation ; giant tortoise ; Geochelone elephantopus ; Isla Pinzón ; Galapagos ; population
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    Type: article
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    Format: application/pdf
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4744 | 704 | 2011-09-29 15:57:54 | 4744 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Keywords: Biology ; Conservation ; natural history ; book review ; Galapagos
    Repository Name: AquaDocs
    Type: article
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4747 | 704 | 2011-09-29 15:57:00 | 4747 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-06
    Description: Recent appointments in Washington office. El Niño volume available. Ira Wiggins dies. Nominations to the Royal Society. Index to Noticias de Galápagos. Dictionaries wanted - used or new. International workshops focus on Galápagos.
    Keywords: Conservation ; Charles Darwin Foundation ; Galápagos
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4746 | 704 | 2011-09-29 15:57:20 | 4746 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-06
    Description: Back cover. Members of Charles Darwin Foundation. Map of Galapagos.
    Keywords: Conservation
    Repository Name: AquaDocs
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4748 | 704 | 2011-09-29 15:56:58 | 4748 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-06
    Keywords: Conservation ; Beagle ; research vessel ; Charles Darwin Research Station
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4750 | 704 | 2011-09-29 15:56:37 | 4750 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-06
    Keywords: Conservation ; Isla Santa Cruz ; geography ; ecology ; population
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    Type: article
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4754 | 704 | 2011-09-29 15:56:22 | 4754 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-06
    Keywords: Conservation ; Fausto Llerena Sanchez ; Luis Ramos Veloz ; Isla Santa Cruz ; Galapagos
    Repository Name: AquaDocs
    Type: article
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    Format: application/pdf
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4749 | 704 | 2011-09-29 15:56:56 | 4749 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-06
    Keywords: Conservation ; Noticias de Galápagos ; Corley Smith
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    Type: article
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4755 | 704 | 2011-09-29 15:56:27 | 4755 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-06
    Keywords: Conservation ; Fausto Llerena Sanchez ; Luis Ramos Veloz ; Isla Santa Cruz ; Galapagos
    Repository Name: AquaDocs
    Type: article
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4751 | 704 | 2011-09-29 15:56:38 | 4751 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-06
    Keywords: Biology ; Conservation ; giant tortoises ; age ; Isla Santa Cruz ; Galapagos
    Repository Name: AquaDocs
    Type: article
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4745 | 704 | 2011-09-29 15:58:02 | 4745 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-05
    Description: Cover. Information for supporters of the Charles Darwin Foundation. Contents.
    Keywords: Conservation ; Table of Contents ; Noticias de Galapagos
    Repository Name: AquaDocs
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    In:  galapagosresearch@fcdarwin.org.ec | http://aquaticcommons.org/id/eprint/4758 | 704 | 2011-09-29 15:54:35 | 4758 | Fundacion Charles Darwin Foundation
    Publication Date: 2021-07-06
    Description: Summary in Spanish.
    Keywords: Conservation ; Ecology ; fire ; vegetation ; Volcan Sierra Negra ; Isla Isabela ; Galapagos
    Repository Name: AquaDocs
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    Comissão Permanente das Águas da Bacia Hidrográfica do Rio Okavango | Maun, Botswana
    In:  http://aquaticcommons.org/id/eprint/4781 | 34 | 2011-09-29 15:54:05 | 4781 | Permanent Okavango River Basin Water Commission (OKACOM)
    Publication Date: 2021-07-06
    Description: O relatório anual da OKACOM, publicado pela primeira vez, cobrindo o primeiro período do plano de trabalho financiado por Sida de três anos, a partir de 2007 até 2009, durante o qual a Secretaria foi criada. (PDF contains 32 pages)
    Description: Agência Sueca de Cooperação para o Desenvolvimento Internacional (Sida)
    Description: Portuguese version of OKACOM's first published annual report.
    Keywords: Conservation ; Environment ; Management ; Planning ; Policies ; Organizações das Bacias do Rio ; Bacia do Rio Cubango / Okavango ; Angola ; Botsuana ; Namibia ; águas transfronteiriças ; África Sul
    Repository Name: AquaDocs
    Type: monograph
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    International Collective in Support of Fishworkers | Chennai, India
    In:  http://aquaticcommons.org/id/eprint/4796 | 25 | 2015-09-28 08:46:12 | 4796 | International Collective in Support of Fishworkers
    Publication Date: 2021-07-06
    Keywords: Conservation ; Fisheries ; Planning ; Sociology
    Repository Name: AquaDocs
    Type: monograph
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    Environmental Protection Agency | Athens, GA
    In:  http://aquaticcommons.org/id/eprint/4821 | 130 | 2011-09-29 15:51:17 | 4821 | University of Maryland Center for Environmental Science. Chesapeake Biological Laboratory
    Publication Date: 2021-07-06
    Description: In this essay, three lines of evidence are developed that sturgeons in the Chesapeake Bay and elsewhere are unusually sensitive to hypoxic conditions: 1. In comparison to other fishes,sturgeons have a limited behavioral and physiological capacity to respond to hypoxia. Basalmetabolism, growth, feeding rate, and survival are sensitive to changes in oxygen level, which may indicate a relatively poor ability of sturgeons to oxyregulate. 2. During summertime, temperatures 〉20°C amplify the effect of hypoxia on sturgeons and other fishes due to atemperature oxygen "squeeze" (Coutant 1987). In bottom waters, this interaction results in substantial reduction of habitat; in dry years, sturgeon nursery habitats in the Chesapeake Bay may be particularly reduced or even eliminated. 3. While evidence for population level effectsdue to hypoxia is circumstantial, there are corresponding trends between the absence of Atlantic sturgeon reproduction in estuaries like the Chesapeake Bay where summertime hypoxia predominates on a system-wide scale. Also, the recent and dramatic recovery of shortnosesturgeon in the Hudson River (4-bid increase in abundance from 1980 to1995) may have been stimulated by improvement of a large portion of the nursery habitat that was restored from hypoxia to normoxia during the period 1973-1978.
    Description: pp. 61-78, In: Thurston, R.V. (Ed.) Fish Physiology, Toxicology, and Water Quality.Proceedings of the Sixth International Symposium, La Paz, Mexico, 22-26 Jan. 2001. [EPA/600/R-02/097], [UMCES Contrib. No. 3518-CBL]
    Keywords: Aquaculture ; Conservation ; Ecology ; Fisheries ; Sturgeon ; hypoxia
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    Permanent Okavango River Basin Water Commission | Maun, Botswana
    In:  http://aquaticcommons.org/id/eprint/4816 | 34 | 2011-09-29 15:52:05 | 4816 | Permanent Okavango River Basin Water Commission (OKACOM)
    Publication Date: 2021-07-06
    Description: OKACOM's Transboundary Diagnostic Analysis study used integrated flows analysis to develop scenarios for possible developments in the Okavango River Basin. (PDF contains 2 pages)
    Description: Global Environment Facility
    Description: Food and Agriculture Organization of the United Nations
    Description: United Nations Development Programme
    Description: Environmental Protection and Sustainable Management of the Okavango River Basin (EPSMO)
    Keywords: Conservation ; Earth Sciences ; Environment ; Management ; OKACOM ; Okavango River Basin ; scenarios ; environmental flows ; environmental research ; EPSMO
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    University of Maryland Center for Environmental Science, Chesapeake Biological Laboratory | Solomons, MD
    In:  http://aquaticcommons.org/id/eprint/4861 | 130 | 2011-09-29 15:47:49 | 4861 | University of Maryland Center for Environmental Science. Chesapeake Biological Laboratory
    Publication Date: 2021-07-06
    Description: The possible ecological effects of suspended sediments are manifold. Briefly, suspended sediments may cause an increased surface for microorganism growth, fewer temperature fluctuations, chemical adsorption orabsorption, blanketing, mechanical-abrasive actions, and light penetration reduction (Cairns, 1968). Sherk and Cronin (1970) have pointed out that the above effects have been little studied in the estuarine environment. The ecological effects of suspended sediments on fish eggs and larvae may be of prime importance t o the C and D Canal area, an important spawning and primary nursery area for a variety of estuary: e species (Johnson,1972). This section discusses the effects of suspended sediment on the eggs and larvae of striped bass and white perch.
    Description: Army Corps of Engineers, Philadelphia District
    Keywords: Conservation ; Ecology ; Engineering ; Fisheries ; Chesapeake ; Canal ; Natural Resources Institute ; Striped Bass ; White Perch ; Delaware
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    University of Maryland Center for Environmental Science, Chesapeake Biological Laboratory | Solomons, MD
    In:  http://aquaticcommons.org/id/eprint/4860 | 130 | 2011-09-29 15:47:58 | 4860 | University of Maryland Center for Environmental Science. Chesapeake Biological Laboratory
    Publication Date: 2021-07-06
    Description: In this report we develop age-length keys and derive age-frequency data. We estimate striped bass and white perch mortality and growth rates, based on the otolith-aging analysis. We also report on hatch-date frequencies of striped bass and white perch larvae, and we discuss environmental effects on recruitment potential.
    Description: Maryland Department of Natural Resources, Tidewater Administration
    Description: Contract No. F112-87-008
    Keywords: Aquaculture ; Conservation ; Ecology ; Environment ; Fisheries ; Management
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    In:  http://aquaticcommons.org/id/eprint/4056 | 424 | 2011-09-29 16:28:45 | 4056 | Fisheries Society of Nigeria
    Publication Date: 2021-06-29
    Description: The paper examines the resource utilization practices of the Lake Chad in view of the need for sustainable development of the natural resources of the area, which are being recklessly exploited. The issues of obnoxious fishing practices, inappropriate agricultural practices, indiscriminate grazing, reckless fuel-wood harvesting, water pollution etc were discussed. There are clear indications that the current resources utilization practices are pushing the natural resources of the area beyond the limit of their regenerative capacity. This is traceable to institutional weakness and inadequate management strategies at the Lake Chad basin. Suggestions were made towards witnessing a change of attitude to resource use, exploitation and management strategies
    Keywords: Management ; Conservation ; Fisheries ; Pollution ; Agriculture ; Nigeria ; Lake Chad ; agriculture ; deforestation ; grazing ; land use ; pollution control ; resource conservation ; resource management ; utilization ; water resources ; water supply
    Repository Name: AquaDocs
    Type: conference_item
    Format: application/pdf
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