全球智库信息集成服务系统(G2TT): First-year survival of brown trout in three Norwegian streams.

G2TT

来源类型	Article
规范类型	其他
DOI	10.1046/j.1095-8649.2003.00025.x
	First-year survival of brown trout in three Norwegian streams.
	Lund E; Olsen EM; Voellestad LA
发表日期	2003
出处	Journal of Fish Biology 62 (2): 323-340
出版年	2003
语种	英语
摘要	Monthly survival rates during the first year of life were estimated for the 1999 cohort of stream-resident brown trout Salmo trutta in three Norwegian streams, using capture-mark-recapture methods and the Cormack-Jolly-Seber model. It was hypothesized that reduced survival would occur during the winter. For one of the study populations, the data did support seasonal variation in survival, with monthly survival rates being lower during winter than during summer (0.65 v. 0.99). For the remaining two populations, there was no evidence for seasonal variations in monthly survival rates, but monthly survival rates were significantly different (0.87 v. 0.99). No evidence was found for size-dependent winter survival. Some marked individuals emigrated from the study sites, suggesting that survival rates were underestimated and that different survival rates among populations were partly due to different emigration rates. Net immigration of brown trout was evident at all three study sites.
主题	Adaptive Dynamics Network (ADN)
关键词	0+ Brown trout Capture-mark-recapture Density Season Survival
URL	http://pure.iiasa.ac.at/id/eprint/6816/
来源智库	International Institute for Applied Systems Analysis (Austria)
引用统计
资源类型	智库出版物
条目标识符	http://119.78.100.153/handle/2XGU8XDN/128211
推荐引用方式 GB/T 7714	Lund E,Olsen EM,Voellestad LA. First-year survival of brown trout in three Norwegian streams.. 2003.