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Red deer stocks in the Highlands of Scotland

机译:苏格兰高地的红鹿种群

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摘要

A drastic culling of deer may not be the best strategy to arrest erosion of heather cover. Glazing by hill sheep and red deer prevents the regeneration of woodland in many parts of the Scottish Highlands and has also led to extensive loss of heather cover. Conservation bodies claim that there has been a rapid rise in Highland deer numbers caused by inadequate management and that these need to be drastically reduced. Here we show that the recent increase in red deer stocks has probably been overestimated and suggest that the gradual rise in numbers since 1970 may be a consequence of a reduction in sheep stocks and of changes in winter weather, rather than of a reduction in culling rate. Although there would be environmental benefits in reducing deernumbers, there is an equal need to reduce the numbers of hill sheep in many parts of the Highlands.
机译:猛烈地扑杀鹿也许不是阻止石楠覆盖物侵蚀的最佳策略。上坡绵羊和马鹿给玻璃上光会阻止苏格兰高地许多地区的林地再生,并导致大量的希瑟覆盖物丧失。保护机构声称,由于管理不善导致高地鹿数量迅速增加,需要大幅度减少。在这里,我们表明最近的马鹿种群数量可能被高估了,并表明自1970年以来马鹿种群数量的逐渐增加可能是绵羊种群减少和冬季天气变化的结果,而不是种群淘汰率的降低。尽管减少鹿数量会带来环境效益,但同样需要减少高地许多地方的山羊数量。

著录项

  • 来源
    《Nature》 |2004年第6989期|p.261-262|共2页
  • 作者单位

    Department of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 自然科学总论;
  • 关键词

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