Reimagining aquaculture in the Global South

doi:10.1126/science.abi5015

GSTDTAP > 气候变化

DOI	10.1126/science.abi5015
	Reimagining aquaculture in the Global South
	Michael S. Bank; Peter W. Swarzenski; Gabriella Bianchi; Marc Metian; Yong Sik Ok; Carlos M. Duarte
	2021-04-16
发表期刊	Science
出版年	2021
英文摘要	Aquaculture has existed for millennia, reaching industrial scales in recent decades, and will play an increasingly important role in feeding the world ([ 1 ][1]–[ 6 ][2]). As this industry grows, we must ensure that it is ecologically and socially sustainable. However, the current production process for the food given to farmed fish still threatens coastal ecosystems and the livelihoods of local fishers, especially in the Global South ([ 2 ][3]–[ 7 ][4]). Before aquaculture is scaled up further, its global environmental and socioeconomic footprint should be carefully reimagined. Because small fishes are at the bottom of the trophic pyramid, overharvesting can lead to the collapse of local ecosystems ([ 8 ][5], [ 9 ][6]). In many places, these small fish also serve as vital, local food sources. Small fish caught in the Global South are increasingly used for fish meal production for livestock and aquaculture rather than for direct human consumption. These practices have disrupted food security in places such as Bangladesh, Gambia, and Ghana ([ 7 ][4], [ 10 ][7]), as affordable protein has shifted from poorer coastal communities to richer markets. Widespread illegal, unreported, and unregulated fisheries support unsustainable, large-scale fish meal production for regional use or for growing global markets. To achieve the goals of the United Nations Decade of Ocean Science for Sustainable Development, we must develop strategies to make aquaculture truly sustainable in the Global South and beyond. This will require concerted support for technological advances such as new water recirculation and offshore innovations to efficiently rear species ranging from algae to large predator fish. To meet UN goals within a decade, we also need faster development of environmentally and socially responsible ingredients for fish feed ([ 2 ][3]–[ 6 ][2]) and effective policies to support sustainable development production schemes and human nutrition initiatives in affected coastal communities. Fisheries and aquaculture policies should include environmental governance strategies focused on seawater quality and biodiversity protection (such as farm level sustainability certification), comprehensive sustainability assessments, socioeconomic dimensions, capture fisheries, and improved feed ingredient production ([ 1 ][1]–[ 6 ][2], [ 11 ][8], [ 12 ][9]). 1. [↵][10]Food and Agriculture Organization of the United Nations (FAO), “The state of world fisheries and aquaculture” (2020). 2. [↵][11]FAO Technical Guidelines for Responsible Fisheries, No. 5, Suppl. 4 (FAO, Rome, 2010); [www.fao.org/3/i1750e/i1750e00.htm][12]. 3. 1. R. S. Cottrell et al ., Nat. Food 1, 301 (2020). 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领域	气候变化 ; 资源环境
URL	查看原文
引用统计	被引频次：4[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://119.78.100.173/C666/handle/2XK7JSWQ/322876
专题	气候变化资源环境科学
推荐引用方式 GB/T 7714	Michael S. Bank,Peter W. Swarzenski,Gabriella Bianchi,et al. Reimagining aquaculture in the Global South[J]. Science,2021.
APA	Michael S. Bank,Peter W. Swarzenski,Gabriella Bianchi,Marc Metian,Yong Sik Ok,&Carlos M. Duarte.(2021).Reimagining aquaculture in the Global South.Science.
MLA	Michael S. Bank,et al."Reimagining aquaculture in the Global South".Science (2021).