Nettet1. feb. 2007 · Recently, we showed that redstarts moulting at a breeding site in Ontario, Canada produced tail feathers that had higher red chroma values (a measure of colour saturation reflecting the type or concentration of carotenoids; Saks et al. 2003) than individuals breeding at the same site but moulted at more southerly locations during … Nettetfor 1 dag siden · The study reveals that the flora of Mount Elgon constitutes 1,709 taxa (1,589 species, 75 subspecies and 45 varieties), representing 673 genera in 131 families. The plant taxa are classified into ...
Moult location and diet of auks in the North Sea inferred from …
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Description: Moult location and diet of auks in the North Sea …
Nettet1. nov. 2003 · Consequently, a second potential explanation is that some subpopulations arrive south of the Sahara and moult earlier than others, and that differences in δ 13 C reflect temporal changes in environmental δ 13 C (possibly from a similar moulting location). δ 13 C values in plants could change in response to changing environmental … Nettet10. jun. 2024 · Hence, the timing and location of moult are crucial for the production of feathers of sufficient quality to maximize lifetime reproductive success . To avoid … NettetMoult location and diet of auks in the North Sea inferred from coupled light-based and isotope-based geolocation St John Glew K., Wanless S., Harris M.P., Daunt F., Erikstad K.E., Strøm H., Trueman C.N. 2024 Moult location and diet of auks in the North Sea inferred from coupled light-based and isotope-based geolocation . حاشیه دور ویدیو