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Climate change vulnerability and perceived impacts on small-scale fisheries in eastern Mindanao

机译：棉兰老岛东部的气候变化脆弱性及其对小型渔业的影响

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摘要

The reef fisheries in the Philippines are highly affected by various anthropogenic stressors including climate change, marine pollution and fish depletion arising from overfishing. There is a need for continuous monitoring of the fisheries to identify relevant factors that influence the economic and ecological vulnerability of fishers concerning climate change impacts. This study addressed the question: "What are the perceived impacts of climate change on small scale fisheries in relation to fishing communities in eastern Mindanao?" A combination of semi-structured survey of fishers in Cantilan and Mati (N = 222) and eight focus groups were used for data analysis to answer the question. Principal component analysis (PCA) was used to reduce the number of factors examined, and multiple linear regression was used to examine the factors that influence the catch per unit effort of the fisheries. The fisheries factors examined include age, years fishing, years in community, worst, normal, and best catches, boat power, fishing cost and monthly income. In addition, the study examined various sources of vulnerabilities and climate change impacts to the fisheries. The results show that fishing costs, monthly income and weather and coral bleaching influenced the CPUE of the reef fisheries (df = 4, MS = 0.342, F = 5.23, P = 0.001). Past historical catches show that the reef fisheries reached its highest catches in the 1970s (131 kg/trip) and thereafter begun its decline to 14 kg/trip today. Management intervention involves non-fishing based-livelihoods, stricter law enforcement in the fishing grounds and other financial access given to fishers.
机译：菲律宾的珊瑚礁渔业受到各种人为压力因素的严重影响，包括气候变化，海洋污染和过度捕捞引起的鱼类消耗。需要对渔业进行连续监测，以查明影响渔民在气候变化影响方面的经济和生态脆弱性的相关因素。这项研究解决了一个问题：“与棉兰老岛东部的捕鱼社区相比，气候变化对小规模渔业的感知影响是什么？”将坎蒂兰和马蒂（N = 222）渔民的半结构化调查与八个焦点小组相结合，用于数据分析以回答该问题。主成分分析（PCA）用于减少所检查因素的数量，而多元线性回归用于检查影响渔业每单位工作量产量的因素。所考察的渔业因素包括年龄，捕鱼年限，在社区居住的年限，最差，正常和最佳渔获量，船只功率，捕鱼成本和月收入。此外，研究还研究了各种脆弱性来源以及气候变化对渔业的影响。结果表明，捕捞成本，月收入，天气和珊瑚褪色影响了珊瑚礁渔业的CPUE（df = 4，MS = 0.342，F = 5.23，P = 0.001）。过去的历史渔获量表明，珊瑚礁渔业在1970年代达到最高渔获量（每公斤131公斤），此后开始下降至今天的每公斤14公斤。管理干预包括以非捕捞为基础的生计，在渔场上更严格的执法以及给予渔民的其他财务渠道。

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  • 来源
    《Ocean & coastal management》 |2020年第5期|105143.1-105143.12|共12页
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  • 作者单位

    DOSCST IALS Mati City Davao Oriental Philippines|DOSCST Reg Integrated Coastal Resource Management Ctr RI Mati City Davao Oriental Philippines|DOSCST Fisheries Catch Assessment Project Mati City Davao Oriental Philippines;

    DOSCST IALS Mati City Davao Oriental Philippines|DOSCST Fisheries Catch Assessment Project Mati City Davao Oriental Philippines;

    DOSCST IALS Mati City Davao Oriental Philippines|DOSCST Reg Integrated Coastal Resource Management Ctr RI Mati City Davao Oriental Philippines;

    DOSCST IBPA Mati City Davao Oriental Philippines;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Climate change; Coral bleaching; Davao oriental; Small-scale fisheries; Surigao; Vulnerability;

    机译：气候变化;珊瑚漂白;达沃东方小型渔业;苏里高;脆弱性;

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