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原文連結
論文資訊
- 類型：已發表論文
- 日期：2021-01-19
摘要
Top-down and bottom-up forces determine ecosystem function and dynamics. Fisheries as a top-down force can shorten and destabilize 食物網s, while effects driven by 氣候 change can alter the bottom-up forces of primary productivity. We assessed the response of a highly-resolved intertidal 食物網 to these two global change drivers, using 網絡 analysis and bioenergetic modelling. We quantified the relative importance of artisanal fisheries as another 捕食者 物種, and evaluated the independent and combined effects of fisheries and changes in plankton productivity on 食物網 dynamics. The 食物網 was robust to the loss of all harvested 物種 but sensitive to the decline in plankton productivity. Interestingly, fisheries dampened the negative impacts of decreasing plankton productivity on non-harvested 物種 by reducing the
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