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首页> 外文期刊>The Wilson Bulletin >EFFECTS OF CONSERVATION RESERVE PROGRAM FIELD AGE ON AVIAN RELATIVE ABUNDANCE, DIVERSITY, AND PRODUCTIVITY
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EFFECTS OF CONSERVATION RESERVE PROGRAM FIELD AGE ON AVIAN RELATIVE ABUNDANCE, DIVERSITY, AND PRODUCTIVITY

机译:自然保护区计划对年龄的相对丰度,多样性和生产力的影响

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摘要

Introduced grass dominated Conservation Reserve Program (CRP) fields were monitored in summer 1992 in Gratiot County, Michigan, to determine the relationship between field age and avian relative abundance, diversity, and productivity. Younger CRP fields (1-2 years old), best described as a combination of forbs and bare ground, had the greatest diversity and relative abundance of avian species. Older CRP fields (3-5/6 years old) were a combination of grasses and deep litter cover and had the greatest avian productivity. We recommend that after 3-5 growing seasons CRP fields be manipulated to provide a variety of successional stages to maintain simultaneously high avian relative abundance, diversity, and productivity.
机译:1992年夏季在密歇根州的格拉希阿特县对引入的草为主的保护区计划(CRP)田地进行了监测,以确定田间年龄与禽类相对丰度,多样性和生产力之间的关系。较年轻的CRP田地(1-2岁),最能形容为前叉和裸地的结合,鸟类多样性和相对丰度最高。较老的CRP田地(3-5 / 6岁)是草和深覆盖物的结合,禽类生产力最高。我们建议在3-5个生长季节后操纵CRP田地,以提供各种演替阶段,以同时保持较高的禽类相对丰度,多样性和生产力。

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