Where has the city choir gone? Loss of the temporal structure of bird dawn choruses in urban areas
Landscape and Urban Planning(2020)
摘要
•This is the first study focused on the structure of multi-species avian dawn choruses in urban areas.•At intra-urban areas dawn choruses were modular but not ordered in time.•At peri-urban areas dawn choruses were modular and showed a temporally structured order.•Dawn choruses from both conditions had low spectral vocalization overlap.•Random phylogenetic structure was observed for choruses at both conditions.
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关键词
Acoustic space,Ecological filtering,Modularity,Multi-species choruses,Urban ecology
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