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  • Asia  (12)
  • Genetics
  • WorldFish  (16)
  • American Chemical Society
  • Public Library of Science (PLoS)
  • 1
    Publication Date: 2021-07-04
    Description: Climate change with its attendant geophysical hazards is well studied. A great deal of attention has gone into analyzing climate change impacts as well as searching out possible mitigating adaptive strategies. These matters are very real concerns, especially for coastal communities. Such communities are often the most vulnerable to climate change, since their citizens frequently live in abject poverty and have limited capacity to adapt to geophysical hazards. Their situation is further complicated by the prospect of dealing with a confluence of hazards in comparison with those in other ecosystems. Against this backdrop Worldfish and the Economy and Environment Program for Southeast Asia (EEPSEA) collaborated to implement the cross-country study “Climate Change Impacts, Vulnerability Assessments, Economic and Policy Analysis of Adaptation Strategies in Selected Coastal Areas in Indonesia, Philippines, and Vietnam”. As its title suggests the study covered selected sites in Vietnam, Indonesia and the Philippines. Employing a gamut of interdisciplinary methodologies -- ranging from community-based approaches such as community hazard mapping and focus group discussions (FGDs) to regression techniques -- the study documented the impacts from three climate hazards affecting coastal communities. These were typhoon/flooding, coastal erosion, and saltwater intrusion. The team also analyzed planned adaptation options suited to implementation by communities and local governments, augmenting autonomous responses of households to protect and insure themselves from these hazards.
    Keywords: Ecology ; Environment ; Inland fisheries ; Climatic changes ; Ecosystems ; Asia ; Indonesia ; Philippines ; Vietnam
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 2
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  • 2
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    WorldFish | Bhubaneswar, India
    In:  http://aquaticcommons.org/id/eprint/12749 | 115 | 2013-12-03 13:46:30 | 12749 | WorldFish Center
    Publication Date: 2021-07-05
    Description: Macrobrachiurn rosenbergii is one of the widely cultured freshwater prawn species globally. India was the third largest producer of this species in 2007 and its aquaculture production rose to 43,000 metric tons (t) in 2005 froin less than 500 t in 1995. However, since then production has been declining and in 2008-09 it was 12,856 t, a reduction of more than 70% compared to 2005. There are several contributing factors to this decline, such as slow growth rate, poor survival, disease outbreaks, increase in cost of production, and availability of low risk alternative fish species. However, there is a consensus that poor seed quality leading to unsatisfactory growth and survival rates in ponds is one of the major reasons. Hence, the development of a systematic selective breeding program aimed at improving growth rate and ensuring high survival rate of this species was deemed a high priority. The Central Institute of Freshwater Aquaculture (CIFA), Bhubaneswar, India in collaboration with the WorldFish Center, Malaysia initiated a selective breeding program for this species in 2007.
    Description: CIFA - WorldFish Project on Genetic Improvement of Freshwater Prawn, Macrobrachium rosenbergii (de Man) in India (Phase Two)
    Keywords: Aquaculture ; Prawn culture ; Genetics ; Seed production ; Selective breeding ; Freshwater aquaculture ; India •Livestock and Fish
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 10
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  • 3
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    WorldFish | Penang, Malaysia
    In:  http://aquaticcommons.org/id/eprint/10991 | 115 | 2013-03-17 12:38:07 | 10991 | WorldFish Center
    Publication Date: 2021-06-25
    Description: When different strains or breeds of a particular species are available, the best choice is seldom immediately obvious for producers. Scientists are also interested in the relative performance of different strains because it provides a basis for recommendations to producers and it often stimulates the conduct of work aimed at unraveling the underlying biological mechanisms involved in the expression of such differences. Hence, strain or breed comparisons of some sort are frequently conducted. This manual is designed to provide general guidelines for the design of strain comparison trials in aquaculture species. Example analyzes are provided using SAS and SPSS. The manual is intended to serve a wide range of readers from developing countries with limited access to information. The users, however, are expected to have a basic knowledge of quantitative genetics and experience in statistical methods and data analysis as well as familiarity with computer software. The manual mainly focuses on the practical aspects of design and data analysis, and interpretation of results.
    Description: CGIAR Research Program Livestock & Fish
    Keywords: Aquaculture ; Aquaculture ; Genetics ; Selective breeding
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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  • 4
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    WorldFish | Penang, Malaysia
    In:  http://aquaticcommons.org/id/eprint/10632 | 115 | 2013-07-12 04:44:53 | 10632 | WorldFish Center
    Publication Date: 2021-06-27
    Description: Aquaculture production systems in developing countries are largely based on the use of unimproved species and strains. As knowledge and experience are accumulated in relation to the management, feeding and animal health issues of such production systems, the availability of genetically more productive stock becomes imperative in order to more effectively use resources. For instance, there is little point in providing ideal water conditions and optimum feed quality to fish that do not have the potential to grow faster and to be harvested on time, providing a product of the desired quality. Refinements in the production system and improvement of the stock used must progress hand in hand. In this paper we deal separately with genetic and non-genetic issues pertaining to the multiplication and dissemination of improved strains. The separation is somewhat arbitrary, and as will be evident from our discussion, there is frequent interaction between the two.
    Description: CGIAR Research Program on Livestock and Fish
    Keywords: Aquaculture ; Aquaculture ; Genetics ; Selective breeding
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 15
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  • 5
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    WorldFish | Penang, Malaysia
    In:  http://aquaticcommons.org/id/eprint/15599 | 115 | 2014-11-19 09:58:38 | 15599 | WorldFish Center
    Publication Date: 2021-07-08
    Description: Conflict management is an intrinsic element of natural resource management, and becomes increasingly important amid growing pressure on natural resources from local uses, as well as from external drivers such as climate change and international investment. If policymakers and practitioners aim to truly improve livelihood resilience and reduce vulnerabilities of poor rural households, issues of resource competition and conflict management cannot be ignored. This synthesis report summarizes outcomes and lessons from three ecoregions: Lake Victoria, with a focus on Uganda; Lake Kariba, with a focus on Zambia; and Tonle Sap Lake in Cambodia. Partners used a common approach to stakeholder engagement and action research that we call “Collaborating for Resilience”. In each region, partners assisted local stakeholders in developing a shared understanding of risks and opportunities, weighing alternative actions, developing action plans, and evaluating and learning from the outcomes. These experiences demonstrate that investing in capacities for conflict management is practical and can contribute to broader improvements in resource governance.
    Description: Collaborating for Resilience
    Description: An earlier version of this report was presented to the Biennial Conference of the International Association for the Study of the Commons, June 3–7, 2013, Fujiyoshida, Japan
    Keywords: Agriculture ; Aquaculture ; Aquatic Agricultural Systems ; Capacity development ; Co-management ; Environmental protection ; Equity ; Fisheries management ; Governance ; Livelihoods ; Monitoring and evaluation ; Natural resource management ; Participatory action research ; Partnerships ; Policy ; Research ; Resilience ; Asia ; Africa ; Cambodia ; Zambia ; Uganda
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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    Format: 32
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  • 6
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    WorldFish | Penang, Malaysia
    In:  http://aquaticcommons.org/id/eprint/16659 | 115 | 2015-04-13 11:44:30 | 16659 | WorldFish Center
    Publication Date: 2021-07-07
    Description: This publication is based on materials covered and outputs generated during the Workshop on Risk Assessment Methodologies and Tools for Aquaculture in Sub-Saharan Africa, which was jointly held by WorldFish and FAO in Siavonga, Zambia on 28 June - 2 July 2010. The workshop was delivered as a training exercise to 17 participants from seven sub-Saharan countries and was designed to highlight current methodologies and tools available for environmental risk analysis in aquaculture development. A key focus of the workshop was to encourage participants to consider hypothetical but realistic scenarios and to discuss issues relevant to evaluating the environmental risks of a given activity or scenario. This publication presents selected scenarios from the workshop and the outcomes of the deliberative process as developed by the participants. This publication is factual but not comprehensive, therefore any statements or estimations of risk do not represent the actual risks arising from the described scenario. It is intended to serve as an easily readable introduction to risk analysis, highlighting worked examples that will provide guidance on how a risk analysis may be approached in a similar situation.
    Description: Food and Agriculture Organization of the United Nations
    Description: CGIAR Research Program on Livestock and Fish
    Keywords: Agriculture ; Aquaculture ; Genetics ; GIFT ; Livestock and fish ; Training ; Tilapia
    Repository Name: AquaDocs
    Type: monograph
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  • 7
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    WorldFish | Penang, Malaysia
    In:  http://aquaticcommons.org/id/eprint/16661 | 115 | 2015-04-13 11:48:21 | 16661 | WorldFish Center
    Publication Date: 2021-07-07
    Description: This commodity and product identification research was undertaken in the context of the CGIAR Research Program on Aquatic Agricultural Systems (AAS). AAS seeks to reduce poverty and improve food security for the millions of small-scale fishers and farmers who depend on the world’s floodplains, deltas and coasts. The objective of this research is to strengthen the capacity of AAS to undertake value chain studies with high potential impact on smallholders. The capacity-building aspect of this research was focused on the process of commodity and product identification for value chain analysis. Its scope was limited to fish and other aquatic animals and products in the Tonle Sap area identified for AAS intervention. The result of the identification process was the selection of a number of commodities and products that were deemed to involve a high number of smallholders along the value chain and that have high market development potential.
    Description: CGIAR Research Program on Aquatic Agricultural Systems
    Keywords: Atmospheric Sciences ; Agriculture ; Aquatic Agricultural Systems ; Research ; Capacity development ; Small-scale fishers ; Value chains ; Asia ; Cambodia
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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  • 8
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    WorldFish | Penang, Malaysia
    In:  http://aquaticcommons.org/id/eprint/16662 | 115 | 2015-04-13 11:49:05 | 16662 | WorldFish Center
    Publication Date: 2021-07-07
    Description: During the rollout of CGIAR Research Program on Aquatic Agricultural Systems (AAS) in Tonle Sap in 2013, water management was highlighted as one of the key development challenges. With limited capacity to regulate water, the situation oscillates between too much water in the wet season and too little water in the dry season. Access to and availability of water were seen by local communities as major limitations for aquatic and agricultural production, impacting on functions that include the lake fishery, intensive (dry season) rice crops, recession rice, rainfed rice and floating rice by the lakeside. For both fish and rice production, water and water management are determined principally by the natural flooding of the Tonle Sap Lake. This study is based on a community survey on water access, availability and management and was conceived out of the AAS consultation process and was developed to help identify existing practices in water use and management, as well as best practices where lessons can be learned and promising activities scaled out to other communities. The community survey also aims to understand, identify and analyze constraints and opportunities related to water, and includes a gender perspective to better understand the role of women in water management and use.
    Description: CGIAR Research Program on Aquatic Agricultural Systems
    Keywords: Agriculture ; Aquaculture ; Aquatic Agricultural Systems ; Flood plains ; Fresh water ; Governance ; Livelihoods ; Gender ; Policy ; Research ; Small-scale aquaculture ; Surveys ; Asia ; Cambodia
    Repository Name: AquaDocs
    Type: monograph
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  • 9
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    WorldFish | Penang, Malaysia
    In:  http://aquaticcommons.org/id/eprint/17348 | 115 | 2015-06-25 10:21:29 | 17348 | WorldFish Center
    Publication Date: 2021-07-11
    Description: The CGIAR Research Program on Aquatic Agricultural Systems (AAS) seeks to reduce poverty and improve food security for many small-scale fishers and farmers who are dependent on aquatic agriculture systems by partnering with local, national and international partners to achieve large-scale development impact. This study on promising practices in food security and nutrition assistance to vulnerable households in the Tonle Sap region forms part of the preliminary research that informs AAS work in the highly productive Mekong Delta and Tonle Sap Lake floodplain. The study aims to identify and learn from promising practices that have had a positive impact on the food security and nutrition of vulnerable households in the Tonle Sap region.
    Description: CGIAR Research Program on Aquatic Agricultural Systems
    Keywords: Agriculture ; Aquatic Agricultural Systems ; Nutrition ; Food security ; Livelihoods ; Governance ; Research ; Cambodia ; Asia
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 71
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  • 10
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    WorldFish | Penang, Malaysia
    In:  http://aquaticcommons.org/id/eprint/15595 | 115 | 2014-11-19 08:45:51 | 15595 | WorldFish Center
    Publication Date: 2021-07-08
    Description: Cambodia’s recent freshwater fishery sector reform, instigated at the top level of government, is one of the country’s most significant contemporary policy developments addressing natural resources management and rural development. Implemented in two main waves, the reforms culminated in the complete removal of inland commercial fishing lots. Yet serious problems still need to be addressed, including reportedly widespread illegal fishing, difficulties in protecting critical habitats, and competition among state agencies over resource management authority. This report summarizes the context of the recent fishery reforms, analyzes challenges and opportunities for policy implementation after the reforms, and details the outcomes of local institutional innovations in Kampong Thom Province, followed by a discussion of the implications for ongoing efforts aimed at reducing resource conflict and building livelihood resilience.
    Description: Collaborating for Resilience
    Keywords: Agriculture ; Aquaculture ; Aquatic Agricultural Systems ; Aquatic resources ; Capacity development ; Co-management ; Environmental policy ; Environmental protection ; Equity ; Fisheries management ; Fresh water ; Governance ; Illegal fishing ; Law and regulation ; Livelihoods ; Monitoring and evaluation ; Natural resource management ; Participatory action research ; Partnerships ; Policy ; Research ; Resilience ; Cambodia ; Asia
    Repository Name: AquaDocs
    Type: monograph
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  • 11
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    WorldFish | Penang, Malaysia
    In:  http://aquaticcommons.org/id/eprint/19358 | 115 | 2016-01-08 13:12:48 | 19358 | WorldFish Center
    Publication Date: 2021-06-26
    Description: The objective of the current report produced for the CGIAR Research Program on Aquatic Agricultural Systems (AAS) is to provide basic information on key constraints driving poverty and vulnerability in aquatic agricultural systems in the Tonle Sap region in Cambodia. Six objectives and corresponding research themes are included in the program: sustainable increases in productivity; equitable access to markets; resilience and adaptive capacity; empowering policies and institutions; reduced gender disparity; and expanded benefits for the resource-poor. In this report, the authors review the main aquatic agricultural systems (status, specific policies and strategies, interventions, challenges, and options), then review the main drivers of change. This leads to an identification of plans and strategies important to AAS, with a particular focus on perspectives, gaps and opportunities in national policies, community engagement, increased benefits, adaptive capacity, and gender. This review, of potential interest to decision makers and all development partners, leads to conclusions and recommendations aimed at policymakers and institutional as well as private investors in development.
    Description: CGIAR Research Program on Aquatic Agricultural Systems
    Keywords: Agriculture ; Aquatic Agricultural Systems ; Governance ; Gender ; Adaptive management ; Asia ; Cambodia •Policy
    Repository Name: AquaDocs
    Type: monograph
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  • 12
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    WorldFish | Penang, Malaysia
    In:  http://aquaticcommons.org/id/eprint/20602 | 115 | 2016-05-01 05:16:43 | 20602 | WorldFish Center
    Publication Date: 2021-07-11
    Description: The fisheries sector in Cambodia contributes 8%–12% to national GDP and 25% - 30% to agricultural GDP, with an estimated 4.5 million people involved in fishing and associated trades. Fish and other aquatic animals are important food sources, contributing an estimated national average of 60% - 70% of total animal protein intake. Of the 2013 total fish production, 550,000 metric tons were harvested from freshwater habitats, of which rice field fisheries and small-scale family fisheries contributed approximately 20%. The productivity and value of rice field fisheries to households in rural Cambodia has been highlighted in a number of previous studies. The Fisheries Administration of the Ministry of Agriculture, Forestry and Fisheries plans to increase productivity from rice field fisheries and aquaculture at an annual rate of 15% to maintain supply for a growing population. This report draws mainly on the baseline and monitoring data from the Rice Field Fisheries Enhancement Project (RFFEP) during its implementation between 2012 and 2014. Reference is also made to the Fish on Farms project to highlight the relative contribution of fish from small-scale aquaculture compared to wild-caught fish.
    Description: United States Agency for International Development
    Description: Rice Field Fisheries Enhancement Project
    Keywords: Agriculture ; Aquaculture ; Fish farming ; Rice ; Polyculture ; Food security ; Nutrition ; Surveys ; Research ; Asia ; Cambodia
    Repository Name: AquaDocs
    Type: monograph
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  • 13
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    WorldFish | Penang, Malaysia
    In:  http://aquaticcommons.org/id/eprint/21137 | 115 | 2017-11-07 06:48:30 | 21137 | WorldFish Center
    Publication Date: 2021-07-14
    Description: The Association of Southeast Asian Nations (ASEAN) has emerged as a global fish producer, owing to the rapid growth of aquaculture in Southeast Asia and its large offshore fishing fleet. Fish is a regional commodity that is traded globally, and this region is at the frontline of the global trend toward meeting seafood demand by 2050. Fisheries and aquaculture are increasingly becoming a primary source of protein and micronutrients, foreign exchange, livelihoods and well-being for the population in the region. Therefore, it is imperative for ASEAN decision-makers to enhance policies nationally and regionally to maximize the synergies between socioeconomic development and protecting natural resources and the environment in the region. This paper presents a baseline (business-as-usual) projection of fish supply, net trade, consumption and nutrition in the ASEAN region to 2050.
    Keywords: Aquaculture ; Fisheries ; Aquaculture ; Fisheries ; Trade trade ; Fish consumption ; ASEAN ; Asia
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
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  • 14
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    WorldFish | Penang, Malaysia
    In:  http://aquaticcommons.org/id/eprint/18464 | 115 | 2015-10-28 07:31:28 | 18464 | WorldFish Center
    Publication Date: 2021-07-09
    Description: In rural Cambodia, fish is a source of food and income to millions of people. However, there has been a real threat to fish populations in natural wetlands due to the degradation of aquatic biodiversity and habitat, illegal fishing, increase of population and demand for fish, and the use of harmful pesticides for agriculture. The Rice Field Fisheries Enhancement Project (RFFEP) seeks to rebuild and protect the fish populations through innovative methods. The project works with communities to sustainably strengthen the rice field fisheries near their villages by improving protected habitats called "community fish refuges". This handbook characterizes rice field fisheries that are connected to community fish refuges. Community fish refuges are designated fish conservation areas promoted by the Fisheries Administration of the Royal Cambodian Government. It also examines the characteristics of rain-fed rice field ecosystems that are connected to community fish refuges in order to further refine descriptive criteria and better understand potential benefits and management strategies.
    Description: Rice Field Fisheries Enhancement Project
    Keywords: Agriculture ; Aquaculture ; Small-scale fisheries ; Rice ; Ecosystems ; Asia ; Cambodia
    Repository Name: AquaDocs
    Type: monograph
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  • 15
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    WorldFish | Penang, Malaysia
    In:  http://aquaticcommons.org/id/eprint/18467 | 115 | 2015-10-28 07:40:12 | 18467 | WorldFish Center
    Publication Date: 2021-07-09
    Description: Aquaculture is the fastest-growing food production sector globally, with production projected to double within the next 15–20 years. Future growth of aquaculture is essential to providing sustainable supplies of fish in national, regional and global fish food systems; creating jobs; and maintaining fish at affordable levels for resource-poor consumers. To ensure that the anticipated growth of aquaculture remains both economically and ecologically sustainable, we need to better understand the likely patterns of growth, as well as the opportunities and challenges, that these trends present. This knowledge will enable us to better prioritize investments that will help ensure the sustainable development of the sector. In Indonesia, WorldFish and partners have applied a unique methodology to evaluate growth trajectories for aquaculture under various scenarios, as well as the opportunities and challenges these represent. Indonesia is currently the fourth largest aquaculture producer globally, and the sector needs to grow to meet future fish demand. The study overlapped economic and environmental models with quantitative and participatory approaches to understand the future of aquaculture in Indonesia. Such analyses, while not definitive, have provided new understanding of the future supply and demand for seafood in Indonesia stretching to 2030. The learning from this research provides a foundation for future interventions in Indonesian fish food systems, as well as a suite of methodologies that can be applied more widely for insightful analyses of aquaculture growth trajectories in other countries or regions.
    Description: Gordon and Betty Moore Foundation
    Description: CGIAR Research Programs on Policies, Institutions and Markets
    Description: CGIAR Research Programs on Livestock and Fish
    Keywords: Aquaculture ; Fisheries ; Aquaculture ; Fisheries ; Research ; Asia ; Indonesia
    Repository Name: AquaDocs
    Type: monograph
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  • 16
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    WorldFish | Penang, Malaysia
    In:  http://aquaticcommons.org/id/eprint/18465 | 115 | 2015-10-28 07:36:57 | 18465 | WorldFish Center
    Publication Date: 2021-07-09
    Description: The CGIAR Research Program on Aquatic Agricultural Systems (AAS) seeks to reduce poverty and improve food security for the millions of small-scale fishers and farmers who depend on the world’s floodplains, deltas and coasts. AAS combines more conventional approaches for introducing and scaling technical innovations, such as applied research and training, with approaches that foster innovation and promote institutional and policy change. Specifically, AAS utilizes participatory action research with communities to identify technology and policy solutions that best meet community long-term needs. One of the themes identified under AAS is the role of self-help groups in increasing livelihood resilience of agriculture and fisheries communities. As AAS establishes a hub of operations in Cambodia, AAS and Oxfam America are cooperating to investigate the potential of community-based self-help groups as a strategy for AAS implementation. As part of this cooperation, Oxfam America undertook this consultancy to analyze and describe the role, efficiency and effectiveness of the various types of self-help groups in Cambodia. This report gives an overview of this program which aims to conduct a field-based study to identify the types, main characteristics and effectiveness of self-help groups, with a particular focus on livelihood resilience of agriculture and fisheries communities.
    Description: CGIAR Research Program on Aquatic Agricultural Systems
    Keywords: Aquaculture ; Sociology ; Aquatic Agricultural Systems ; Participatory action research ; Livelihoods ; Asia ; Cambodia
    Repository Name: AquaDocs
    Type: monograph
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  • 17
    Publication Date: 2022-05-27
    Description: © The Author(s), 2021. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Gosselin, K. M., Nelson, R. K., Spivak, A. C., Sylva, S. P., Van Mooy, B. A. S., Aeppli, C., Sharpless, C. M., O’Neil, G. W., Arrington, E. C., Reddy, C. M., & Valentine, D. L. Production of two highly abundant 2-methyl-branched fatty acids by blooms of the globally significant marine cyanobacteria Trichodesmium erythraeum. ACS Omega, 6(35), (2021): 22803–22810, https://doi.org/10.1021/acsomega.1c03196.
    Description: The bloom-forming cyanobacteria Trichodesmium contribute up to 30% to the total fixed nitrogen in the global oceans and thereby drive substantial productivity. On an expedition in the Gulf of Mexico, we observed and sampled surface slicks, some of which included dense blooms of Trichodesmium erythraeum. These bloom samples contained abundant and atypical free fatty acids, identified here as 2-methyldecanoic acid and 2-methyldodecanoic acid. The high abundance and unusual branching pattern of these compounds suggest that they may play a specific role in this globally important organism.
    Description: This work was funded with grants from the National Science Foundation grants OCE-1333148, OCE-1333162, and OCE-1756254 and the Woods Hole Oceanographic Institution (IR&D). GCxGC analysis made possible by WHOI’s Investment in Science Fund.
    Keywords: Lipids ; Alkyls ; Bacteria ; Genetics ; Chromatography
    Repository Name: Woods Hole Open Access Server
    Type: Article
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