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Biodiversity 'surpluses' and 'deficits' are not novel issues

机译:生物多样性“盈余”和“赤字”不是新的问题

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摘要

Jackson and Sax (JS,) provided a conceptual framework to analyze biodiversity dynamics after environmental change. They discuss transients caused by lags in extinction and immigration, rightly seen as of major importance for the future of biodiversity. Borrowing terms from accountancy, they discuss concepts such as "extinction debts", "immigration credits", "biodiversity surpluses" and "biodiversity deficits". For example, when time scales of immigration and extinction differ, temporary biodiversity surpluses or deficits may arise. Accidentally, JS overlooked my earlier work covering much of the same ground. This work also corroborates, and adds to, the mainly conceptually oriented approach of JS by using an explicit evolution-based mechanistic model. Thereby it fulfills some of their expressed needs for further research and helps with the understanding and prediction of the kinds of transient dynamics JS discuss.
机译:杰克逊和萨克斯(JS)提供了一个概念框架,在环境变化后分析生物多样性动态。 他们讨论了灭绝和移民滞后导致的瞬变,正确被视为对生物多样性未来的重视。 从会计借贷,他们讨论“灭绝债务”,“移民抵免”,“生物多样性盈余”和“生物多样性赤字”等概念。 例如,当移民和灭绝的时间尺度不同时,可能会出现临时生物多样性盈余或赤字。 意外地,JS忽略了我之前的工作覆盖了大部分地面。 通过使用明确的基于进化的机制模型,这项工作也得到了证实,并增加了JS的主要概念面向方法。 因此,它履行了他们对进一步研究的一些表达需求,并有助于了解和预测瞬态动态JS讨论的各种。

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