The boundaries of species distributions are often shaped by natural barriers, such as mountains and rivers, but species distribution models usually fail to include these constraints. We tested several approaches that include barriers as explanatory variables in species distribution models.

中文翻译：

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受地理障碍限制的物种分布建模：以非洲和美洲灵长类为例

物种分布的边界通常是由自然屏障（如山脉和河流）塑造的，但是物种分布模型通常无法包含这些约束。我们测试了几种将障碍作为物种分布模型中的解释变量的方法。