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  • 1
    ISSN: 1748-7692
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1748-7692
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: We report evidence of enzootic morbillivirus infection among long-finned, Globicephala melas, and short-finned, G. macrorhynchus, pilot whales in the western Atlantic. A retrospective serologic survey, using five morbilliviruses, was carried out on 99 G. melas from 14 stranding events between 1982 and 1993 and from 25 G. macrorhynchus stranded in 5 events between 1986 and 1994. A blood sample was also obtained from an adult G. melas by-caught in the western North Atlantic. Tissues were collected from 24 G. melas and 15 G. macrorhynchus for histology and immunoperoxidase staining. Neutralizing antibody titers were found in 92 (92%) of 100 G. melas and 16 (64%) of 25 G. macrorynchus, and titers were highest against cetacean morbilliviruses. Seroprevalence was similar between age classes and sexes. The earliest evidence of infection was in a G. melas that stranded in 1982. Stable antibody titers were observed in pilot whales under rehabilitation for up to eight months. Clinical disease consistent with morbillivirus pneumonia was detected in a G. melas calf. Immunoperoxidase staining confirmed that viral antigen was present in the lesions.We propose that enzootic infection in pilot whales is facilitated by population size, social structure, and migration patterns. Furthermore, through mixing with other odontocetes, pilot whales could act as vectors through the Atlantic. Clinical morbillivirus infection may precipitate mass strandings of highly social odontocetes.
    Type of Medium: Electronic Resource
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  • 3
    Publication Date: 2020-05-21
    Electronic ISSN: 2296-7745
    Topics: Biology
    Published by Frontiers Media
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  • 4
    Publication Date: 1995-04-01
    Print ISSN: 0025-326X
    Electronic ISSN: 1879-3363
    Topics: Biology , Energy, Environment Protection, Nuclear Power Engineering
    Published by Elsevier
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  • 5
    Publication Date: 2004-12-24
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2022-05-25
    Description: Author Posting. © Society for Marine Mammalogy, 2007. This is the author's version of the work. It is posted here by permission of John Wiley & Sons for personal use, not for redistribution. The definitive version was published in Marine Mammal Science 23 (2007): 731-750, doi:10.1111/j.1748-7692.2007.00146.x.
    Description: Rehabilitation of stranded marine mammals elicits polarized attitudes: initially done alongside display collections, but release of rehabilitated animals has become more common. Justifications include animal welfare, management of beach use conflict, research, conservation, and public education. Rehabilitation cost and risks have been identified which vary in degree supported by data rather than perception. These include conflict with fisheries for resources, ignorance of recipient population ecology, poor understanding of long term survival, support of the genetically not-so-fit, introduction of novel or antibiotic resistant pathogens, harm to human health and cost. Thus facilities must balance their welfare appeal against public education, habitat restoration, human impact reduction, and other conservation activities. Benefits to rehabilitating marine mammals are the opportunity to support the welfare of disabled animals and to publish good science and so advance our understanding of wild populations. In specific cases, the status of a population may make conservation the main reason for rehabilitation. These three reasons for rehabilitation lead to contrasting, and sometimes conflicting, management needs. We therefore outline a decision tree for rehabilitation managers using criteria for each management decision, based on welfare, logistics, conservation, research and funding to define limits on the number of animals released to the wild.
    Keywords: Rehabilitation ; Release ; Conservation ; Education ; Animal welfare
    Repository Name: Woods Hole Open Access Server
    Type: Preprint
    Format: application/pdf
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  • 7
    Publication Date: 2022-05-25
    Description: Author Posting. © The Author(s), 2011. This is the author's version of the work. It is posted here by permission of The Company of Biologists for personal use, not for redistribution. The definitive version was published in Journal of Experimental Biology 214 (2011): 3822-3828, doi:10.1242/jeb.056366.
    Description: Excised lungs from 8 marine mammal species (harp [Pagophilus groenlandicus], harbor [Phoca vitulina], and gray seal [Halichoerus grypus], Atlantic white-sided [Lagenorhynchus acutus], common [Delphinus delphis] and Risso's dolphin [Grampus griseus], long finned pilot whale [Globicephala melas], and harbor porpoise [Phocoena phocoena]) were used to determine minimum air volume of the relaxed lung (MAV, n = 15) and the elastic properties (pressure-volume curves, n = 24) of the respiratory system, and total lung capacity (TLC). Our data indicate that mass-specific TLC (sTLC, l • kg-1) does not differ between species or groups (odontocete vs. phocid) and agree with that estimated (TLCest) from body mass (Mb) by: TLCest = 0.135 • Mb 0.92. Measured MAV was on average 7% of TLC, with a range from 0% to 16%. The pressure-volume curves were similar among species on inflation but diverged during deflation in phocids as compared with odontocetes. These differences provide a structural basis for observed species differences in depth at which lungs collapse and gas exchange ceases.
    Description: This project was supported by a grant from the Office of Naval Research (ONR award number N00014-10-1-0059; Dr. Loring was supported by HL 52586 from the National Institutes of Health.
    Description: 2012-11-15
    Keywords: Lung mechanics ; Total lung capacity ; Minimum air volume ; Excised lung ; Diving physiology
    Repository Name: Woods Hole Open Access Server
    Type: Preprint
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  • 8
    Publication Date: 2022-05-26
    Description: Meeting held: October 28, 2011, Provincetown Center for Coastal Studies, Provincetown, MA. Sponsored by the Marine Mammal Center at the Woods Hole Oceanographic Institution and the Provincetown Center for Coastal Studies
    Description: The 2011 meeting, “Gulf of Maine Seals: Fisheries Interactions and Integrated Research”, held at the Provincetown Center for Coastal Studies (PCCS), featured posters and oral presentations as well as a series of discussion groups. This meeting was a follow up to the 2009 meeting, “Gulf of Maine Seals - Populations, Problems and Priorities”, held at the Woods Hole Oceanographic Institution (WHOI) (Bogomolni et al. 2010). At the conclusion of the 2009 meeting, attendees emphasized the need to improve communication, to obtain funding for long term research, to continue meeting on a regular basis, to increase data and data sharing, and to support cross cutting research between the meeting’s three primary topic areas: disease and health; human and fishery interactions; and population biology. The overarching goals of the 2011 meeting were to discuss and share work to date, present some of the tools developed since the 2009 meeting, and outline goals for future integrated research. One of the tools presented within the framework of cross-cutting research areas and integrative research was the development of a sightings database and website for uniquely identifiable (unique pelage, scars, lesions, tagged, branded, marked, etc.) animals. The practicality of this tool as a means to increase communication was discussed. Additionally, seal/fisheries interactions throughout the Gulf of Maine, Cape Cod and waters off of the northeast U.S. have continued to concern stakeholders since the 2009 meeting. The urgency of documenting, understanding and mitigating these interactions has become more apparent. Therefore, the focus of the 2011 Provincetown meeting was on fisheries interaction and related topics raised at the last 2009 workshop and in the meetings with Cape Cod fishermen described below. For the purposes of this report, 'fisheries interaction' can be direct/operational (e.g. depredation, when seals remove fish from gear; or entanglement/bycatch, when seals are unintentionally captured), or indirect/ecological (competition, displacement or other large-scale interactions between seals and fisheries). Stakeholder concerns about fisheries interactions and recent increases in local seal abundance were rising prior to the 2009 meeting. In December of 2006, the Chatham-based Cape Cod Commercial Hook Fishermen’s Association (CCCHFA) took the lead in organizing a meeting entitled, “Structuring a Novel Research Team to Define and Assess the Impact of Human/Seal Interactions on Cape Cod/Gulf of Maine through Ecosystem-Based Analysis”. Participants included fishermen, policy makers, environmental organizations and researchers aiming to develop a unique partnership to study the New England seal population. The goal of this meeting was to create a research team that would define the ecological role of seals in Cape Cod waters by studying population dynamics, behavior, and health. This meeting resulted in a successful partnership, financially aided by the International Fund for Animal Welfare (IFAW), between fishermen and seal researchers. A cost-effective cooperative research agreement was reached whereby seal researchers were provided boat transport around the Chatham and Monomoy areas by local fishermen. This agreement allowed students and researchers to gain access to areas off of Chatham that would otherwise not have been accessible. It also supported a collaborative effort to increase understanding and communication between stakeholders. In addition to the CCCHFA-led meeting in 2006, a series of informal meetings have been held on Cape Cod between commercial and recreational fishermen and marine scientists. This work was initially funded by the Cape Cod Five Cents Savings Bank Charitable Foundation. Owen Nichols and Lisa Sette (PCCS) have held individual meetings with commercial fishermen in Chatham, Orleans, and Provincetown, and recreational fishermen, outfitters, and associations throughout the Outer Cape. These individual meetings were followed by larger group meetings in Eastham and Chatham in 2010 and 2011, and more are planned for 2012. Attendees included commercial and recreational fishermen and scientists, and discussion topics included observed seal/fishery interactions and potential collaborative research projects. The goal of the meetings is to develop a working group composed of members of the fishing and scientific communities with expertise in marine mammal and fisheries ecology. The above meetings laid the foundation for the 2011 meeting, during which members of the scientific and fishing communities gathered to focus on fisheries interactions and integrated research techniques to quantify and mitigate interactions. Several invited presentations were given, some of which were scheduled (Appendix A) with selected abstracts provided (Appendix B), and some of which were delivered on an ad hoc basis upon request from organizers or attendees (see Appendix F for edited transcripts of presentations). In order to ensure that the fishing community had a distinct voice, a forum was included in the agenda, during which fishermen were encouraged to share their observations, experiences and concerns. Separately, moderated discussion groups focused specifically on fisheries interactions, tagging and tracking, and management issues. All four sessions, despite their specific foci, shared common themes such as the need for collaborative research involving both the scientific and fishing communities. Recommendations from the discussion groups and summaries from each session are listed on the following pages.
    Description: Funding was provided by the Woods Hole Oceanographic Institution Marine Mammal Center and the Provincetown Center for Coastal Studies
    Keywords: Seals ; Seal populations
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 9
    Publication Date: 2022-05-26
    Description: Meeting held: May 28th – 29th 2009, WHOI, Quissett Campus, Sponsored by the Marine Mammal Center at WHOI
    Description: As pinniped populations shift and change along the northeast U.S. and Canadian coastline, so too do the interests and issues of regional residents, scientists and stakeholders. In May 2009 the Woods Hole Oceanographic Institution (WHOI) sponsored a meeting resulting in recommendations in three key areas regarding pinnipeds: population dynamics, human interaction and disease/health. The population group recommended: developing long-term surveys over all seasons and geographic ranges, coordinating sampling efforts for dietary research, refining correction factors for survey results, increasing documentation of fishery interactions and developing means of funding. The human interactions group recommended: addressing marine debris, developing survey, reporting and retrieval protocols for discarded fishing gear, studying impact of and expanding education and outreach for commercial seal watching, researching methods to deter depredation from fishing gear, streamlining the permitting processes for acoustic deterrent and gear modification research, and increasing cooperative research and outreach to the fishing community. The health and disease working group recommended: establishing baseline health indicators, addressing priority disease concerns, creating a pool of resources for standardized analysis of normal and unusual health event monitoring, determining standard health baselines for release, establishing a health consortium, improving communication along the coastline and establishing long term funding and ongoing collaboration.
    Description: Funding was provided by the Woods Hole Oceanographic Institution Marine Mammal Center
    Keywords: Populations ; Pinnipeds ; Northeast United States
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
    Format: application/pdf
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  • 10
    Publication Date: 2022-05-26
    Description: On May 1 and 2, 2015, over 75 people attended the Northwest Atlantic Seal Research Consortium's first official biennial two day scientific meeting, "Seals and Ecosystem Health", at Salem State University in Salem, Massachusetts. The focus of the meeting was addressed by two keynote presentations: "Seals and Ecosystem Health" and "Marine mammals and ecosystem functioning: what can recovering seal populations teach us?" The first day of the meeting featured 16 oral and two poster presentations, covering a diverse range of topics highlighting the important underlying concepts, data gaps and future directions. Following the theme of the meeting, attendees discussed the nature of ecosystems, acknowledging the complex and often cryptic interactions between components, with cumulative and synergistic effects on animals and their environment. As our understanding of the ecological role of seals in the Northwest Atlantic grows, the cumulative interactions increase our recognition of seals as sentinels of ecosystem health. Meeting presentations highlighted the value of existing data and ongoing research efforts, including long-term population monitoring, tagging and photo-identification, stranding response, and rehabilitation facilities. The importance of observational effort was recognized as a critical component in detecting mortality events, documenting population processes in remote locations and cryptic species interactions. Research priorities identified included development of molecular tools for study of diet and disease, population dynamics studies (demographics and trends), telemetry-based investigations of spatiotemporal distribution, and model- and field-based ecosystem-level studies. Several of the presentations and the panel discussion, "Addressing Perception vs. Reality: How data (or lack of data) affects public perceptions and management decisions," highlighted the diverse and evolving perspectives with which society views seals, perspectives that are often biased by the backgrounds of individual humans. Diverse opinions necessitate engagement of stakeholders and the public, and societal objectives need to be defined in order to effect science-based natural resource management at an ecosystem level. At the closing of the meeting, recommendations from the panel discussion and for the overall goals of NASRC were discussed.
    Description: Funding was provided by the Woods Hole Oceanographic Institution Marine Mammal Center and the US Marine Mammal Commission
    Keywords: Seals ; Ecosystem health
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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