野猪春季农耕觅食地选择特征初探——以贵州赤水桫椤国家级自然保护区为例

为了研究野猪(Sus scrofa)春季农耕觅食地生境选择特征,以贵州赤水桫椤国家级自然保护区为例,于2015~2016年春季,利用样方调查法在保护区内对野猪危害的农耕地开展实地调查。主成分分析结果表明,特征值大于1的共有4个主成分,累计贡献率为67.56%,包括隐蔽因素、可视度因素、人为干扰因素和农耕地因素。野猪在利用农耕地觅食时,倾向于选择灌木和农作物盖度较大(隐蔽因素)、灌木和乔木较高(可视度因素)以及远离居民点的区域(人为干扰因素),并且,野猪选取的农耕地食物资源较丰富,外形呈狭长型,均分布在林缘附近(农耕地因素)。与林区生境比较,由于农耕地距离人为活动区域较近,安全程度偏低,因此,在...

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Published in野生动物学报 Vol. 38; no. 2; pp. 157 - 161
Main Author 罗晓洪 来楷迪 梁盛 胡灿实 粟海军 张明明
Format Journal Article
LanguageChinese
Published Editorial Department of Chinese Journal of Wildlife 2017
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ISSN2310-1490

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Abstract 为了研究野猪(Sus scrofa)春季农耕觅食地生境选择特征,以贵州赤水桫椤国家级自然保护区为例,于2015~2016年春季,利用样方调查法在保护区内对野猪危害的农耕地开展实地调查。主成分分析结果表明,特征值大于1的共有4个主成分,累计贡献率为67.56%,包括隐蔽因素、可视度因素、人为干扰因素和农耕地因素。野猪在利用农耕地觅食时,倾向于选择灌木和农作物盖度较大(隐蔽因素)、灌木和乔木较高(可视度因素)以及远离居民点的区域(人为干扰因素),并且,野猪选取的农耕地食物资源较丰富,外形呈狭长型,均分布在林缘附近(农耕地因素)。与林区生境比较,由于农耕地距离人为活动区域较近,安全程度偏低,因此,在农耕地生境内,安全因素是影响野猪觅食地选择的重要因素。
AbstractList 为了研究野猪(Sus scrofa)春季农耕觅食地生境选择特征,以贵州赤水桫椤国家级自然保护区为例,于2015~2016年春季,利用样方调查法在保护区内对野猪危害的农耕地开展实地调查。主成分分析结果表明,特征值大于1的共有4个主成分,累计贡献率为67.56%,包括隐蔽因素、可视度因素、人为干扰因素和农耕地因素。野猪在利用农耕地觅食时,倾向于选择灌木和农作物盖度较大(隐蔽因素)、灌木和乔木较高(可视度因素)以及远离居民点的区域(人为干扰因素),并且,野猪选取的农耕地食物资源较丰富,外形呈狭长型,均分布在林缘附近(农耕地因素)。与林区生境比较,由于农耕地距离人为活动区域较近,安全程度偏低,因此,在农耕地生境内,安全因素是影响野猪觅食地选择的重要因素。
为了研究野猪(Sus scrofa)春季农耕觅食地生境选择特征,以贵州赤水桫椤国家级自然保护区为例,于2015~2016年春季,利用样方调查法在保护区内对野猪危害的农耕地开展实地调查。主成分分析结果表明,特征值大于1的共有4个主成分,累计贡献率为67.56%,包括隐蔽因素、可视度因素、人为干扰因素和农耕地因素。野猪在利用农耕地觅食时,倾向于选择灌木和农作物盖度较大(隐蔽因素)、灌木和乔木较高(可视度因素)以及远离居民点的区域(人为干扰因素),并且,野猪选取的农耕地食物资源较丰富,外形呈狭长型,均分布在林缘附近(农耕地因素)。与林区生境比较,由于农耕地距离人为活动区域较近,安全程度偏低,因此,在农耕地生境内,安全因素是影响野猪觅食地选择的重要因素。
Author 罗晓洪 来楷迪 梁盛 胡灿实 粟海军 张明明
AuthorAffiliation 贵州赤水桫椤国家级自然保护区管理局,赤水564700 贵州大学生命科学学院,贵阳550025 贵州大学林学院,贵阳550025
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DocumentTitleAlternate Use of Farmland as Foraging Habitat by Wild Boar (Sus scrofa) During Spring. a Case Study at Guizhou Chishui Alsophila National Nature Reserve
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Notes We investigated the use of farmland as foraging habitat by wild boar (Sus scrofa)by plot surveys at Guizhou Chishui Alsophila National Nature Reserve during spring in 2015 -2016. Four principal components significantly affected feeding habitat use by wild boar, viz. shelter, vigilance,human disturbance and crop variables, whose cumulative contribution was 68%. Wild boar pre- ferred crop habitats with more coverage of shrubs and crops, taller shrubs and trees, and greater distance from residential areas. Narrow and long plots of farmland with abundant food resources were typically near the edge of woodlands. Compared with feeding habitat in woodlands, the safe- ty variable was important in selection of foraging habitat on farmland, which was close to the hu- man disturbance.
Wild boars ;Sus scrofa ;Foraging habitat use ;Principal Component Analysis PCA
Luo Xiaohong1, Lai Kaidi1, Liang Sheng1, Hu Canshi2, Su Haijun3, Zhang Mingming3 (1. Guizhou Chishui Alsophila National Nature Reserve, Chishui, 564700, China; 2.
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Snippet 为了研究野猪(Sus scrofa)春季农耕觅食地生境选择特征,以贵州赤水桫椤国家级自然保护区为例,于2015~2016年春季,利用样方调查法在保护区内对野猪危害的农耕地开展实地调...
为了研究野猪(Sus scrofa)春季农耕觅食地生境选择特征,以贵州赤水桫椤国家级自然保护区为例,于2015~2016年春季,利用样方调查法在保护区内对野猪危害的农耕地开展实地调...
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StartPage 157
SubjectTerms 主成分分析
觅食地利用
野猪
Title 野猪春季农耕觅食地选择特征初探——以贵州赤水桫椤国家级自然保护区为例
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