Spatial Distribution Model and Habitat Selection of Russet Sparrow (Passer rutilans) in Taiwan
Date Issued
2004
Date
2004
Author(s)
Lu, Kuan-An
DOI
zh-TW
Abstract
Cinnamon Sparrow (also called Russet Sparrow, Passer rutilans) is a rare resident bird of Taiwan. This study has two objects: 1. using logistic regression in building
large-scale predictive distribution model based on old records,2. using GIS and remote sensing with on site bird survey to depict the small-scale (400m-1000m radius from survey points) habitat selection of Cinnamon Sparrow and Tree Sparrow(Tree Sparrow, Passer montanus). The result of large-scale predictive distribution model suggest that Cinnamon Sparrow tend to presence on sites close to major roads, large monthly precipitation varitation and greater slope. The model predict that Wu-Tai, at Ping-tong County, is the most important area for Cinnamon Sparrow in Taiwan. All evaluation indices show the model performance is fine to moderate. The small-scale analysis show that Cinnamon Sparrow tend to presence in sites with lower NDVI mean and lower NDVI standard devitation. Based on field experience, this may refelect cultivation lands scattered with few buildings in mountain areas. Tree Sparrow tend to presence on site with lower NDVI mean, lower elevation standard
devitation and lower slope mean. Comparing the classification rate of discriminant analysis between two species, Tree Sparrow are always better than Cinnamon
Sparrow at all distances. The result show that the breeding habitat may not be a limitation factor for Cinnamon Sparrow in Taiwan, other factors such as non-breeding habitat and competition with Tree Sparrow, are suggest by the author.
Subjects
分布模式
山麻雀
麻雀
棲地選擇
distribution model
Tree sparrow
Cinnamon sparrow
Russet sparrow
Passer rutilans
habitat selection
SDGs
Type
other
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