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Found 2 essays matching the above criteria.

1. 1. Future management of Laisriver Brown trout : what life history and enhancement strategy should be prioritized?

   University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

   Author : Isak Landström; [2021]
   Keywords : salmo trutta; acoustic telemetry; spawning migration; hatchery-reared; genetic assignment; sea-run; resident; laisälven;

   Abstract : The life history and coexistence of subpopulations of brown trout in the same drainage area are relatively well known. The three forms of trout; sea-run, lake-run and resident, can all be present in the same location at some period of their life cycle, e.g. during the parr stage or at spawning. READ MORE

3. 2. Consequences on population dynamics following regained connectivity in pike (Esox lucius) spawning location

   University essay from Linnéuniversitetet/Institutionen för biologi och miljö (BOM)

   Author : Oscar Adolfsson; [2020]
   Keywords : dmixture; emigration; downstream spawning; pike-factory; restoration; sourcesink dynamics; spawning strategy;

   Abstract : Distributional movements of subpopulations may act as a buffer to prevent the loss of a species in a certain area. However, within subpopulations adaptations may evolve that makes the inhabitants of a certain habitat to better cope with prevailing environmental conditions. READ MORE