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- Title
Over-wintering growth and losses in a small population of the threespine stickleback, Gasterosteus aculeatus (L.), in mid-Wales.
- Authors
Wootton, R. J.
- Abstract
Mark-recapture was used to estimate the population abundance of threespine stickleback, Gasterosteus aculeatus, in a backwater of Afon Rheidol in mid-Wales in autumn and early spring, from 1984 to 1998. For the 0+ cohort, there was no evidence of density-dependent losses (mortality and emigration) or growth in the over-wintering period. No systematic size-dependent loss was detected. There was an inverse relationship between autumn abundance and the annual rate of change in abundance of the 0+ cohort.
- Subjects
GASTEROSTEUS; FISH populations; COHORT analysis; HABITATS; ANIMAL population density; LIFE (Biology); BACKWATER; SPECIES diversity; ECOLOGY education
- Publication
Ecology of Freshwater Fish, 2007, Vol 16, Issue 4, p476
- ISSN
0906-6691
- Publication type
Article
- DOI
10.1111/j.1600-0633.2007.00236.x