Economic valuation of climate induced losses to aquaculture for evaluating climate information services in Bangladesh

IF 4.8 2区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES
Shammunul Islam , Peerzadi Rumana Hossain , Melody Braun , T.S. Amjath-Babu , Essam Yassin Mohammed , Timothy J. Krupnik , Anwar Hossain Chowdhury , Mitchell Thomas , Max Mauerman
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Abstract

Very little research has focused on climate impacts on aquaculture and the potential of climate information services (CIS) for aquaculture to support sustainable development goals 2030 (SDGs).1 This study represents an effort to bridge this gap by conducting a first ex-ante economic evaluation of CIS for aquaculture in Bangladesh by semi-automating the extraction of data on climate-induced fish losses during 2011 to 2021 from popular online newspaper articles and corroborating them with available government and satellite datasets. During this period, Bangladesh faced an estimated loss of around 140 million USD for hatcheries, open water fish and shrimp. When validated with a year of country-wide official data on climate-induced economic losses to aquaculture, the damage reported from these media sources is approximately 10 percent of actual losses. Given this rule of thumb, the potential economic value of aquacultural CIS could be up to USD14 million a year, if 10 percent of the damage can be offset by appropriate services through a range of multi-sector efforts to establish and extend these services to farmers at scale.

对气候给孟加拉国水产养殖业造成的损失进行经济估值,以评估气候信息服务
很少有研究关注气候对水产养殖的影响以及水产养殖气候信息服务(CIS)支持2030 年可持续发展目标(SDGs)1 的潜力。本研究通过半自动化从流行的在线报纸文章中提取2011年至2021年期间气候引起的水产品损失数据,并与现有的政府和卫星数据集相互印证,对CIS在孟加拉国的水产养殖进行了首次事前经济评估,从而弥补了这一差距。在此期间,孟加拉国的孵化场、露天水域鱼类和虾类估计损失约 1.4 亿美元。如果与全国范围内一年的气候导致水产养殖经济损失的官方数据进行验证,这些媒体报道的损失约为实际损失的10%。根据这一经验法则,如果通过一系列多部门努力,建立并向农民大规模推广适当的服务,以抵消10%的损失,那么水产养殖CIS的潜在经济价值每年可达1400万美元。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Climate Risk Management
Climate Risk Management Earth and Planetary Sciences-Atmospheric Science
CiteScore
8.20
自引率
4.50%
发文量
76
审稿时长
30 weeks
期刊介绍: Climate Risk Management publishes original scientific contributions, state-of-the-art reviews and reports of practical experience on the use of knowledge and information regarding the consequences of climate variability and climate change in decision and policy making on climate change responses from the near- to long-term. The concept of climate risk management refers to activities and methods that are used by individuals, organizations, and institutions to facilitate climate-resilient decision-making. Its objective is to promote sustainable development by maximizing the beneficial impacts of climate change responses and minimizing negative impacts across the full spectrum of geographies and sectors that are potentially affected by the changing climate.
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