能量流动与真实生态系统的垂直结构。

Energy flow and the vertical structure of real ecosystems.

作者信息

Yodzis Peter

机构信息

Department of Zoology, University of Guelph, N1G 2W1, Guelph, Ontario, Canada.

出版信息

Oecologia. 1984 Dec;65(1):86-88. doi: 10.1007/BF00384467.

DOI:10.1007/BF00384467

PMID:28312114

Abstract

Three possible explanations for the well-known limitation of food chain lengths to two or three links for the most part are subjected to an empirical test, using the fact that ectotherms, especially invertebrates, tend to have higher production efficiencies than endotherms. The data are consistent with the hypothesis that food chain lengths are limited by the availability of energy.

摘要

食物链长度大多限制在两三个环节这一广为人知的现象，有三种可能的解释，本文利用变温动物（尤其是无脊椎动物）往往比恒温动物具有更高生产效率这一事实，对这三种解释进行了实证检验。数据与食物链长度受能量可利用性限制这一假设相符。