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原文連結
論文資訊
- 類型：已發表論文
- 日期：1999
摘要
A prominent feature of comparative life histories is the well documented negative correlation between growth rate and life span(1,2). Patterns of resource allocation during growth and reproduction reflect life-history differences between 物種(1,2). This is particularly striking in tropical 森林s, where tree 物種 can differ greatly in their rates of growth and ages of maturity but still attain similar canopy sizes(3,4). Here we provide a theoretical framework for relating life-history variables to rates of production, dM/dt, where M is above-ground mass and t is time. As metabolic rate limits production as an individual grows, dM/dt proportional to M-3/4. Incorporating interspecific variation in resource allocation to wood density, we derive a universal growth law that quantitatively fits data fo
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