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河南董寨国家级自然保护区白冠长尾雉(Syrmaticus reevesii)的繁殖栖息地选择

Breeding Habitat Selection of Reeves's Pheasant (Syrmaticus reevesii) in Dongzhai National Nature Reserve, Henan Province, China.

作者信息

Xu Ji-Liang, Zhang Xiao-Hui, Zhang Zheng-Wang, Zheng Guang-Mei, Ruan Xiang-Feng, Zhang Ke-Yin, Xi Bo

机构信息

College of Nature Conservation, Beijing Forestry University, Beijing 100083, China.

出版信息

Dongwuxue Yanjiu. 2010 Apr;31(2):198-204. doi: 10.3724/SP.J.1141.2010.02198.

Abstract

Reeves's Pheasant (Syrmaticus reevesii) is a threatened pheasant species endemic to China. The habitat use of territorial male birds was surveyed by the help of live decoys in a core area of Dongzhai National Nature Reserve. The breeding habitat selection of this pheasant was examined at two scales (115 m and 250 m scale, i.e. 4.15 hm(2 ) and 19.63 hm(2 ), respectively), including the characteristics at distance scale. Investigation was based on line transect, RS and GIS in Dongzhai National Natural Reserve from 2001 to 2003. Moreover, a range of habitat variables were compared between used and control points at each scale, and stepwise logistic regression was applied to select the key scale and the key habitat factors in relation to breeding habitat selection of this bird. Our results stated that the territorial males at Baiyun occurred mostly in mixed forests, followed by fir forests, pine forests, shrubs, and broadleaf forests. The area of conifer forests was the key factor influencing habitat selection of this bird in breeding period at the scales of 115 m and 250 m, and the proximity of farmland was important for habitat selection in breeding seasons. Furthermore, Reeves's Pheasants attached great importance to the scale of 115 m. When considering a range of habitat variables at all scales within a multivariate regression, the leading factors having effect on habitat selection in the breeding period were areas of conifer forests at 115 m scale and the distance to farmland. In addition, these above results suggested that strengthening the management of suitable habitat, and optimizing the habitat configuration are important in promoting conservation of this bird. However, it also highlighted the importance of initiating future researches on the conifer forests and their impact on the population of Reeves's Pheasants, which would be beneficial to promote the habitat conservation of this pheasant more effectively.

摘要

白冠长尾雉(Syrmaticus reevesii)是中国特有的一种受威胁雉类。在董寨国家级自然保护区的核心区域,借助活诱饵对白冠长尾雉领域性雄鸟的栖息地利用情况进行了调查。在两个尺度(分别为115米和250米尺度,即分别为4.15公顷和19.63公顷)上对白冠长尾雉的繁殖栖息地选择进行了研究,包括距离尺度上的特征。2001年至2003年期间,在董寨国家级自然保护区基于样线、遥感和地理信息系统进行了调查。此外,在每个尺度上比较了使用点和对照点之间的一系列栖息地变量,并应用逐步逻辑回归来选择与该鸟类繁殖栖息地选择相关的关键尺度和关键栖息地因素。我们的结果表明,白云的领域性雄鸟大多出现在混交林中,其次是冷杉林、松林、灌丛和阔叶林。针叶林面积是影响该鸟类在115米和250米尺度繁殖期栖息地选择的关键因素,农田的临近程度对繁殖季节的栖息地选择很重要。此外,白冠长尾雉非常重视115米的尺度。在多变量回归中考虑所有尺度的一系列栖息地变量时,对繁殖期栖息地选择有影响的主要因素是115米尺度的针叶林面积和到农田的距离。此外,上述结果表明,加强适宜栖息地的管理和优化栖息地配置对于促进该鸟类的保护很重要。然而,这也凸显了启动未来关于针叶林及其对白冠长尾雉种群影响的研究的重要性,这将有助于更有效地促进该雉类的栖息地保护。

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