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原文連結
論文資訊
- 類型：已發表論文
- 日期：2011
摘要
The metabolic theory of 生態學 uses the 縮放律 of 代謝 with body size and temperature to explain the causes and consequences of 物種 abundance. However, the theory and its empirical tests have never simultaneously examined parasites alongside free-living 物種. This is unfortunate because parasites represent at least half of 物種 多樣性. We show that metabolic 縮放律 theory could not account for the abundance of parasitic or free-living 物種 in three estuarine 食物網s until accounting for 營養級 dynamics. Analyses then revealed that the abundance of all 物種 uniformly scaled with body mass to the -3/4 power. This result indicates "production equivalence," where biomass production within 營養級 levels is invariant of body size across all 物種 and functional groups: invertebrate or vertebrate, ectothermic or endothermic, and f
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