Nested species assemblages as a tool to detect sensitivity to forest fragmentation: The case of cloud forest birds

Article Abstract:

The nested structure of bird communities is assessed using cloud forest fragments in eastern Mexico to identify bird species and groups of species sensitive to cloud forest fragmentation. The analysis of the nested species assemblage could be considered as a useful tool to identify species sensitivity to ecological or landscape patterns and processes, and the species or groups of species affected by a fragmented landscape pattern.

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Perfectly nested or significantly nested- an important difference for conservation management

Article Abstract:

An examination on how different the implications for conservation management would be for an assemblage of birds that was highly significantly, but imperfectly nested in relation to patch size is presented. Findings highlight that there could be large qualitative differences between theoretical perfectly nested assemblages.

Study and teaching, Protection and preservation, Birds, Protection of, Bird conservation

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Frequent nest relocation in the ant Aphaenogaster araneoides: Resources, competition, and natural enemies

Article Abstract:

Several cycles of nest relocation in a population of the Central American ant Aphaenogaster araneoides are documented. It is found that colonies relocated their nests once per week on average and colonies often reoccupied nests from which they had once emigrated.

Organizational history, Central America, Location

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