Bird Communities and Vegetation Structure in the United States
Bird Communities and Vegetation Structure in the United States
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美国的鸟类群落和植被结构
DOI：
10.1111/j.1467-8306.1982.tb01388.x
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发表时间：
1982
期刊：
影响因子：
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通讯作者：
K. Parker
中科院分区：
文献类型：
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作者：
T. Vale;A. J. Parker;K. Parker
以觅食行会的相对重要性为代表的繁殖鸟类群落的组成，因植被结构的不同而不同。我们确定了7种植被类型以及与之相关的鸟类群落特征。沙漠灌木中有多种捕食习惯的鸟类，草原上有主要以种子为食的物种，非沙漠灌木植被支持以地面为食的多面手和以种子为食的动物，以及以植物叶子为食的食虫动物。开阔的林地有最多样化的觅食行会。在针叶常绿、阔叶落叶和混交林三种类型的森林中，摄食行会彼此之间没有明显的区别，但在这里，摄食行会比在其他植被类型中更重要。这种模式在植被类型中是一致的，即使代表性样本在地理上是分开的，在某些情况下气候是不同的。
Abstract The composition of breeding-bird communities, as represented by the relative importance of foraging guilds, is different for vegetation of differing structures. We identified seven vegetation types and the character of the bird community associated with each. Desert shrub has birds with generalist feeding habits, grasslands have species that are primarily seed-eaters, and nondesert brush vegetation supports generalists and seed-eaters that feed on the ground as well as insect-eaters that feed in the foliage of plants. Open woodlands have the greatest diversity of foraging guilds. Feeding guilds in the three types of forests—needleleaf evergreen, broadleaf deciduous, and mixed—are not strongly differentiated from one another, but foliage-feeders are generally more important there than in the other vegetation types. Such patterns are consistent within vegetation types, even though representative samples are geographically separate and in some cases climatically different.