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Developing Climate Information Services for Aquaculture in Bangladesh: A Decision Framework for Managing Temperature and Rainfall Variability-Induced Risks

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Title Developing Climate Information Services for Aquaculture in Bangladesh: A Decision Framework for Managing Temperature and Rainfall Variability-Induced Risks
 
Creator Hossain, Peerzadi R
Amjath-Babu, TS
Krupnik, Timothy J
Barun, Melody
Mohammed, Essam Y
Phillips, Michael
 
Subject climate change
agriculture
food security
aquaculture
 
Description Climate information services (CIS) are increasingly in demand to assist farmers in managing risks associated with climate variability and extremes experienced in food production. However, there are significant gaps in the availability and accessibility of these services, especially in aquatic food production in developing countries. In response, this study aims to generate the background knowledge for developing climate information and decision support services tailored for aquaculture farmers in Bangladesh. We surveyed 800 fish-farming households, interviewed 30 key informants, and conducted a systematic literature review to identify climate-sensitive operations and management decisions in aquaculture and to document fish-farmers' awareness of the relationships between climate variability and aquatic food production systems. We also sought to identify the lead time and communication method(s) needed to deploy forecasts effectively and prepare aquaculture farmers to act in response to the forecasts. A fish-farming activity calendar was developed that identified high temperature, cold spell, heavy rainfall, and dry spell events as key climatic phenomena affecting year-round aquaculture operations, including pond preparation and maintenance, fingerling stocking, grow-out management, and harvesting. We also identified five climate-sensitive management decision points and 26 potential advisories in line with specific climate variability to manage induced risks in the day-to-day operations of fish farmers. Finally, the research team developed a decision framework based on the temperature and rainfall thresholds for the grow-out phase of four widely cultivated and economically important fish species in Bangladesh. This innovative decision support approach is to our knowledge the very first endeavor to develop CIS using species-specific temperature and rainfall thresholds to reduce climate risks and ensure resilience capacity for South Asian aquaculture system.
 
Date 2021-06-07
2021-07-27T16:31:06Z
2021-07-27T16:31:06Z
 
Type Journal Article
 
Identifier Hossain PR, Amjath-Babu TS, Krupnik TJ, Braun M, Mohammed EY, Phillips M. 2021. Developing Climate Information Services for Aquaculture in Bangladesh: A Decision Framework for Managing Temperature and Rainfall Variability-Induced Risks. Frontiers in Sustainable Food Systems 5:677069.
2571-581X
https://hdl.handle.net/10568/114418
https://doi.org/10.3389/fsufs.2021.677069
PII-SA_CaFFSA
 
Language en
 
Rights CC-BY-4.0
Open Access
 
Format 677069
 
Publisher Frontiers Media
 
Source Frontiers in sustainable food systems