Species traits drive responses of forest birds to agriculturally‐modified habitats throughout the annual cycle
Species traits drive responses of forest birds to agriculturally‐modified habitats throughout the annual cycle
复制标题
DOI：
10.1111/ecog.06457
复制
发表时间：
2023-06
期刊：
影响因子：
5.9
通讯作者：
A. Binley;J. Bennett;R. Schuster;A. Rodewald;F. L. La Sorte;D. Fink;B. Zuckerberg;Scott Wilson
中科院分区：
文献类型：
--
作者：
A. Binley;J. Bennett;R. Schuster;A. Rodewald;F. L. La Sorte;D. Fink;B. Zuckerberg;Scott Wilson
将森林转为农业被认为是对鸟类生物多样性的最大威胁之一，但物种如何在整个年度周期中对栖息地的改变作出反应仍然是未知的。我们研究了森林鸟类与农业栖息地的关系是否在一年中有所不同，以及物种特征是否影响这些关系。使用eBird社区科学计划的数据，我们基于三组鸟类特征（迁徙策略，饮食行会和觅食策略）调查了农业改造土地覆盖与238种森林鸟类发生之间的关联。我们发现，农业改良土地覆盖对物种分布的影响在不同时期和特征组之间差异很大，但突出了几个广泛的发现。首先，迁徙物种对农业土地覆盖的反应表现出强烈的季节性差异，而定居物种则没有。其次，季节相互作用的迁移策略;新热带移民在繁殖期受到农业土地覆盖的负面影响最大，而短距离移民在非繁殖期受到最大的负面影响。第三，无论季节，一些饮食（如食虫动物）和觅食公会（如树皮觅食）一贯更消极的农业土地覆盖比其他人（如杂食动物和地面觅食，分别）。第四，在繁殖期，饮食行会对农业土地覆盖的反应比非繁殖期有更大的差异，这可能反映了不同的栖息地和生态要求如何增强某些行会在繁殖过程中的敏感性。这些结果表明，在整个年度周期的管理工作可能过于简单，因此无效时，基于广泛的生态概括，是静态的空间和时间。
The conversion of forest to agriculture is considered one of the greatest threats to avian biodiversity, yet how species respond to habitat modification throughout the annual cycle remains unknown. We examined whether forest bird associations with agricultural habitats vary throughout the year, and if species traits influence these relationships. Using data from the eBird community‐science program, we investigated associations between agriculturally‐modified land cover and the occurrence of 238 forest bird species based on three sets of avian traits: migratory strategy, dietary guild, and foraging strategy. We found that the influence of agriculturally‐modified land cover on species distributions varied widely across periods and trait groups but highlighting several broad findings. First, migratory species showed strong seasonal differences in their response to agricultural land cover while resident species did not. Second, there was a migratory strategy by season interaction; Neotropical migrants were most negatively influenced by agricultural land cover during the breeding period while short‐distance migrants were most negatively influenced during the non‐breeding period. Third, regardless of season, some dietary (e.g. insectivores) and foraging guilds (e.g. bark foragers) consistently responded more negatively to agricultural land cover than others (e.g. omnivores and ground foragers, respectively). Fourth, there were greater differences among dietary guilds in their responses to agricultural land cover during the breeding period than during the non‐breeding period, perhaps reflecting how different habitat and ecological requirements enhance the susceptibility of some guilds during reproduction. These results suggest that management efforts across the annual cycle may be oversimplified and thus ineffective when based on broad ecological generalisations that are static in space and time.