grovel
发表于 2025-3-30 08:51:57
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ALLEY
发表于 2025-3-30 14:40:34
https://doi.org/10.1007/978-3-0348-6156-4exists between the decision to invest in tree seedlings and the decision to harvest. At any point in time a forester may be simultaneously deciding to invest by replanting and to disinvest by clear-felling mature trees, which are the result of investment decisions taken some generations earlier.
手段
发表于 2025-3-30 17:31:20
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gusher
发表于 2025-3-30 23:46:05
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大骂
发表于 2025-3-31 04:34:16
Keimung und Fußfassen der Verjüngungn an efficiency, issue (Howarth and Norgaard, 1993). This is not to say that economic efficiency is irrelevant to sustainable development, as reducing the quantity of natural resources used up per unit of human satisfaction will clearly help reduce demands on the environment. However, as will be sho