Habitat Modeling for the Brown Hawk Owls in Urban Woods of Kyoto City
Habitat Modeling for the Brown Hawk Owls in Urban Woods of Kyoto City
复制标题
京都市都市树林中棕鹰鸮的栖息地模型
DOI：
10.5632/jila.67.483
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发表时间：
2004
期刊：
影响因子：
--
通讯作者：
S. Nishio
中科院分区：
文献类型：
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作者：
H. Hashimoto;Kuniyuki Sawa;Y. Morimoto;S. Nishio
褐鹰鸮（学名：Ninox scuculata）是一种食虫候鸟，在树洞中繁殖，是日本城市老树林的目标物种。猫头鹰的数量最近正在减少，因为日本和热带雨林的老森林在非繁殖季节的栖息地正在减少。使用统计方法的栖息地模型是回答保护目标物种需要多少森林这一问题的好工具。我们使用逻辑回归模型建立了猫头鹰的栖息地模型。在2002年繁殖季节（5 ~ 7月），我们对京都市25个城区几乎每一棵有洞的大树进行了调查。14棵树被确定为猫头鹰的栖息地，15棵树有洞但没有巢穴。采用逐步回归分析和AIC方法，确定了100 m半径范围内的树木覆盖面积和城市化面积作为猫头鹰生境模型的变量。从结果来看，至少1.1公顷的树林，包括一棵带洞的老树，对于保护猫头鹰的栖息地是必要的。
Brown Hawk Owl (Ninox scutulata) is a migratory insectivorous bird which breeds in tree cavities, and a target species for old woods in urban areas of Japan. Population of the owl is decreasing recently because of diminishing of old woods in Japan and also in tropical rain forests: their habitats during non-breeding season. A habitat model using statistical methods is a good tool to answer the question how much forest is required for conservation of a target species. We made a habitat model for the owl using a logistic regression model. We searched for owls by examining almost every large tree with cavities in a 25 urban area in Kyoto City during the breeding season (May to July) of 2002. Fourteen trees determined to be habitats of owls and 15 trees with cavities but without nests were found. Applying logistic regression analysis with the stepwise method and AIC, the area of tree cover and the area of urbanized area within a radius of 100 m were determined to be variables for the habitat model of the owl. From the result, at least 1.1 ha of woods including an old tree with a cavity is necessary for conservation of the owl habitat.
京都市区破碎化林斑块蕨类植物物种组成与微地貌类型的关系
DOI：
--
发表时间：
2003
期刊：
J of the JILA 66
影响因子：
--
作者：
Murakami;K.;Matsui;R.;Maenaka;H.;Morimoto;Y.
通讯作者：
Y.