窃喜 发表于 2025-3-26 23:28:14
S. Satheeshkumar,S. Venkateswaran,R. Sureshchanisms (Wingfield and Jacobs 1999; Jacobs and Wingfield 2000). Superimposed on the predictable life cycle are unpredictable, and potentially stressful, events that have a completely separate repertoire of physiological and behavioral traits, each with its own characteristic controls (Wingfield et喷出 发表于 2025-3-27 02:37:15
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http://reply.papertrans.cn/17/1670/166978/166978_33.pngGLUT 发表于 2025-3-27 12:23:07
Groundwater and Subsurface Remediation1980; Ebbinge et al. 1982; Davidson and Evans 1988; Sandberg and Moore 1996). The residual stores potentially enable a rapid initiation of egglaying, thereby shortening the breeding season. In 1980, Drent and Daan wrote a classic paper in which they introduced the concepts of “capital” and “income”开始没有 发表于 2025-3-27 14:50:41
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An Evaluation of Living with Flood Policy,ass of food requirements for trochilid species derive from nectar. This level of dependence on a single food type places intense fitness pressure on the individual to locate reliable sources for this item sufficient for survival and/or reproduction throughout the annual cycle. An additional, complicLargess 发表于 2025-3-28 05:19:02
S. Benabdallah,H. Mairech,F. M. Hummelation was entirely determined by the environment. For instance, the activity of caged birds deprived of environmental cues during the migratory season, the migration of young birds without experience and without the guidance of their parents (e.g. cuckoos) and the departure from the breeding groundsglans-penis 发表于 2025-3-28 07:19:25
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Suraj Kumar Mallick,Somnath Rudrasage between locations each with sufficient resources to support breeding and nonbreeding activities (Gauthreaux 1982; Berthold 1996; Dingle 1996). Helpful as these definitions have been in aiding our understanding of this dramatic process, they are incomplete because of their generality. Migration