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首页> 外文期刊>Wildlife Research >Initial effects of rabbit haemorrhagic disease on free-living rabbit (Oryctolagus cuniculus) populations in central-western New South Wales
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Initial effects of rabbit haemorrhagic disease on free-living rabbit (Oryctolagus cuniculus) populations in central-western New South Wales

机译:兔出血性疾病对新南威尔士州中西部自由活动兔(穴兔(Oryctolagus cuniculus))种群的初步影响

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Quarterly spotlight counts of rabbits were conducted at three sites in central-western New South Wales. These counts commenced two years before the arrival of rabbit haemorrhagic disease (RHD) in the winter of 1996. The existing data on quarterly rates of change in rabbit abundance for the three populations provided a unique opportunity to study the effects of RHD on rabbit demography. Prior to the arrival of RHD, all three populations underwent phases of sequential increase and decrease in each year. On the basis of these patterns, RHD had a variable influence on the demography of the three rabbit populations. In 1996–97, the density of two populations declined over an expected period of increase, while at the third site the density increased as expected from pre-RHD patterns. Twelve months after their failure to generate expected positive rates of increase the two affected populations had returned to the normal sequence of increases and decreases in density although still at comparatively low numbers.
机译:在新南威尔士州中西部的三个地点对兔子进行季度聚光灯计数。这些计数始于1996年冬天兔出血性疾病(RHD)到来之前的两年。现有的这三个种群的兔丰度季度变化率的现有数据为研究RHD对兔人口统计学的影响提供了独特的机会。在RHD到达之前,所有三个人口每年都经历着连续增加和减少的阶段。在这些模式的基础上,RHD对三个兔子种群的人口统计学具有可变的影响。在1996-97年,两个人口的密度在预期的增长期内下降,而在第三个站点,其密度按RHD以前的模式的预期增长。在两个受影响的种群未能产生预期的正增加率后的十二个月,它们恢复了正常的密度增加和减少顺序,尽管数量仍然相对较低。

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    《Wildlife Research》 |1999年第1期|p.69-74|共6页
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