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Red Grouse Lagopus lagopus scotica on the peripheral moors of the Peak District*

机译:峰区外围的红松鸡Lagopus lagopus scotica *

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摘要

There have been three surveys of the distribution and status of Red Grouse Lagopus lagopus scotica on the moors of the Peak District. Yalden (1972, 1979) tried to map the whole distribution at the 1km square (monad) level and used his counts to estimate the total population at around 10,000 pairs in 487 squares. In 1990, a full survey of moorland birds in the Southern Pennines (Brown & Shepherd, 1991) recorded 2337 Red Grouse in 483 monads. A new survey of moorland birds in 2004, commissioned by theMoors for the Future project, found 5598 grouse in 432 monads (Carr & Middleton, 2004), 5416 of them in monads also covered by the 1990 survey. Clearly, Grouse numbers had increased, perhaps doubled, on the main moorlands of the Peak District over the 14 year interval.
机译:在峰区的沼泽地上,已经进行了三次关于红松鸡Lagopus lagopus scotica的分布和状况的调查。 Yalden(1972,1979)尝试绘制1 km平方(单子)水平的整个分布图,并使用他的计数来估计487平方中大约10,000对的总人口。 1990年,对南奔尼山脉的高沼地鸟类进行了全面调查(Brown&Shepherd,1991),在483个单峰中记录了2337只红松鸡。由Moors for the Future项目委托2004年进行的一项对高地鸟类的新调查发现,在432个单子中有5598个松鸡(Carr&Middleton,2004年),其中1990年的单子中有5416个在松子中。显然,在14年的时间间隔内,峰区主要沼泽地的松鸡数量增加了,甚至增加了一倍。

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