作者: Karl A Didier , William F Porter
DOI: 10.1016/S0378-1127(03)00137-3
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摘要: Abstract Previous studies of sugar maple (Acer saccharum) reproduction and its potential controlling factors have been performed on fine spatial scales (e.g. 10,000 m, high deer densities were not necessarily associated with poor reproductive success. Lack a broad-scale relationship between SMRS does preclude relationships at (