GSTDTAP  > 资源环境科学
DOI10.1038/s41467-020-15335-4
Pelagic fish predation is stronger at temperate latitudes than near the equator
Marius Roesti; Daniel N. Anstett; Benjamin G. Freeman; Julie A. Lee-Yaw; Dolph Schluter; Louise Chavarie; Jonathan Rolland; Roi Holzman
2020-03-31
发表期刊Nature
出版年2020
英文摘要

Species interactions are widely thought to be strongest in the tropics, potentially contributing to the greater number of species at lower latitudes. Yet, empirical tests of this 鈥渂iotic interactions鈥?hypothesis remain limited and often provide mixed results. Here, we analyze 55 years of catch per unit effort data from pelagic longline fisheries to estimate the strength of predation exerted by large predatory fish in the world鈥檚 oceans. We test two central tenets of the biotic interactions hypothesis: that predation is (1) strongest near the equator, and (2) positively correlated with species richness. Counter to these predictions, we find that predation is (1) strongest in or near the temperate zone and (2) negatively correlated with oceanic fish species richness. These patterns suggest that, at least聽for pelagic fish predation, common assumptions about the latitudinal distribution of species interactions do not apply, thereby challenging a leading explanation for the latitudinal gradient in species diversity.

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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/249619
专题资源环境科学
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Marius Roesti,Daniel N. Anstett,Benjamin G. Freeman,et al. Pelagic fish predation is stronger at temperate latitudes than near the equator[J]. Nature,2020.
APA Marius Roesti.,Daniel N. Anstett.,Benjamin G. Freeman.,Julie A. Lee-Yaw.,Dolph Schluter.,...&Roi Holzman.(2020).Pelagic fish predation is stronger at temperate latitudes than near the equator.Nature.
MLA Marius Roesti,et al."Pelagic fish predation is stronger at temperate latitudes than near the equator".Nature (2020).
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