The concept of 'environmental carrying capacity' has long been central to ecological studies, yet its application to human societies remains contentious. Unlike non-human populations, which are typically constrained by biological limits, human societies can temporarily exceed their carrying capacity through technological innovation and trade. However, this expansion often leads to the depletion of natural capital, such as soil fertility or freshwater reserves, thereby reducing future capacity. A recent study by Martinez et al. (2022) simulated historical collapses in island civilizations, revealing that societies that invested in sustainable resource management maintained stability far longer than those that prioritized immediate growth. The authors argue that carrying capacity is not a fixed threshold but a dynamic equilibrium, influenced by both environmental conditions and societal choices. This perspective challenges the deterministic view that environmental degradation inevitably leads to societal collapse, suggesting instead that human adaptation and foresight play pivotal roles in shaping long-term sustainability.
❓ 文章によると、伝統的な収容力の概念を人間社会に適用する際の主な限界は何か。
A. A. それは、資源利用の拡大における技術革新の役割を無視している。
B. B. それは、人間の人口が他の種と同じ生物学的限界に従うと想定している。
C. C. 環境条件の動的な性質を考慮に入れていない。
D. D. それは、資源の枯渇による社会の崩壊の不可避性を過度に強調している。
✅ 正确答案
B. It assumes that human populations are subject to the same biological limits as other species.
IELTS Reading Tips
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