Population density, survival, and rabies in raccoons in an urban national park
Population density, survival, and rabies in raccoons in an urban national park
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城市国家公园浣熊的种群密度、存活率和狂犬病
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发表时间：
1998
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通讯作者：
D. Manski
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文献类型：
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作者：
S. Riley;J. Hadidian;D. Manski
在大西洋中部各州 (Mid-Atlantic) 狂犬病疫情出现后的 8 年时间内，利用标记重捕获和无线电跟踪技术，估算了华盛顿特区城市国家公园罗克河公园 (Rock Creek Park) 浣熊 (Procyon Lotor) 种群的密度和存活率。浣熊密度范围为 333.3 至 66.7 只/平方公里，总体公园估计为 125 只/平方公里。这一密度使岩溪种群处于其他城市和郊区种群的范围内，并且比其他栖息地报告的浣熊密度高出许多倍。公园绿地的密度特别高，其面积与城市边缘的比例最小。除幼年浣熊外，浣熊在治疗期间的存活率很高。华盛顿特区的狂犬病流行数据表明，存在一个周期，在动物流行初期出现 1983 年达到峰值，然后在 1987 年和 1991 年再次达到峰值，这一模式与其他食肉动物和狂犬病模型中观察到的模式类似。我们发现浣熊密度在期间和之后下降的证据...
Density and survival of a raccoon (Procyon lotor) population in Rock Creek Park, an urban national park inWashington, D.C., were estimated using markrecapture and radio-tracking over an 8-year period following the appearance ofthe mid-Atlantic States (Mid-Atlantic) rabies epizootic. Raccoon density ranged from 333.3 to 66.7/km2 , with an overall parkestimate of 125/km2 . This density places the Rock Creek population within the range of other urban and suburban populationsand is many times greater than raccoon densities reported from other habitats. Density was particularly high in one thin spur ofparkland with the smallest ratio of area to urban edge. Raccoon survival rates were high except among juveniles during therabies epizootic. Data on rabies prevalence from Washington, D.C., indicate a cycle with peaks in 1983 during the initialepizootic and again in 1987 and 1991, a pattern similar to that seen in other carnivores and in rabies models. We found evidenceof decreased raccoon density during and afte...