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Joint seasonality in geographic and ecological spaces, illustrated with a partially migratory bird
Ecosphere ( IF 2.7 ) Pub Date : 2020-05-19 , DOI: 10.1002/ecs2.3110
Mathieu Basille 1 , James Watling 2 , Stephanie Romañach 3 , Rena Borkhataria 4
Affiliation  

As most species live in seasonal environments, considering varying conditions is essential to understand species dynamics in both geographic and ecological spaces. Both resident and migratory species need to contend with seasonality and balance settling in favorable areas with tracking favorable environmental conditions during the year. We present an exploratory framework to jointly investigate a species' niche in geographic and ecological spaces, applied to wood storks (Mycteria americana), which are partially migratory wading birds, in the southeastern United States. We concurrently described monthly geographic distributions and climatic niches based on temperature and precipitation. Geographic distributions of wood storks were more similar throughout the year than were climatic niches, suggesting that birds stay within specific areas seasonally, rather than tracking areas of similar climate. However, wood storks expressed consistent selection of warm areas during the winter, and wet areas during the summer, indicating that the selection of seasonal ranges may be directly related to environmental conditions across the entire range. Our flexible framework, which simultaneously considered geographic and ecological spaces, suggested that tracking climate alone did not explain seasonal distributions of wood storks in breeding and non‐breeding areas.

中文翻译:

地理和生态空间的共同季节性,以部分候鸟为例

由于大多数物种都生活在季节性环境中,因此要了解地理和生态空间中物种的动态,必须考虑各种条件。居民和迁徙物种都必须应对季节性变化并在有利区域内保持平衡,并跟踪一年中的有利环境条件。我们提出了一个探索性框架,以共同研究在地理和生态空间中应用于木鹳的物种的生态位(Mycteria americana),它们是在美国东南部的部分候鸟。我们同时描述了基于温度和降水的每月地理分布和气候生态位。全年中,木鹳的地理分布比气候小生境更为相似,这表明鸟类季节性地停留在特定区域内,而不是追踪类似气候的区域。然而,鹳鹳在冬季表示温暖区域的选择,夏季表示潮湿区域,这表明季节范围的选择可能与整个范围内的环境条件直接相关。我们灵活的框架同时考虑了地理和生态空间,
更新日期:2020-05-19
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