Variation in age and size at maturity in perch ( Perca fluviatilis L.), compared across lakes with different predation risk
Abstract – Life‐history variation in perch ( Perca fluviatilis L.), with special emphasis on age and size at maturity in females, was studied in five lakes in Northern Sweden, differing in perch size distribution and relative predator abundance. Age at maturity was negatively correlated with size of...
Published in: | Ecology of Freshwater Fish |
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crwiley:10.1111/j.1600-0633.2005.00108.x 2023-12-03T10:27:56+01:00 Variation in age and size at maturity in perch ( Perca fluviatilis L.), compared across lakes with different predation risk Heibo, E. Magnhagen, C. 2005 http://dx.doi.org/10.1111/j.1600-0633.2005.00108.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1600-0633.2005.00108.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1600-0633.2005.00108.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Ecology of Freshwater Fish volume 14, issue 4, page 344-351 ISSN 0906-6691 1600-0633 Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics journal-article 2005 crwiley https://doi.org/10.1111/j.1600-0633.2005.00108.x 2023-11-09T13:43:37Z Abstract – Life‐history variation in perch ( Perca fluviatilis L.), with special emphasis on age and size at maturity in females, was studied in five lakes in Northern Sweden, differing in perch size distribution and relative predator abundance. Age at maturity was negatively correlated with size of young‐of‐the‐year perch in the end of their first growth season. Length at maturity was positively correlated with L ∞ (asymptotic length when age is close to infinity) and negatively correlated with K (growth rate coefficient) from von Bertalanffy growth model. Relative predator abundance was negatively correlated with minimum size at maturity. However, predation was probably more important in its effect on growth, with a high predation leading to a decrease in population density, decreased food competition, and as a consequence, higher growth rates. Instantaneous mortality rates did not affect maturation patterns when comparing across the five lakes. Age and size at maturity in the perch populations studied here seemed to be mainly influenced by factors affecting growth. Article in Journal/Newspaper Northern Sweden Wiley Online Library (via Crossref) Ecology of Freshwater Fish 14 4 344 351 |
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Open Polar |
collection |
Wiley Online Library (via Crossref) |
op_collection_id |
crwiley |
language |
English |
topic |
Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics |
spellingShingle |
Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics Heibo, E. Magnhagen, C. Variation in age and size at maturity in perch ( Perca fluviatilis L.), compared across lakes with different predation risk |
topic_facet |
Ecology Aquatic Science Ecology, Evolution, Behavior and Systematics |
description |
Abstract – Life‐history variation in perch ( Perca fluviatilis L.), with special emphasis on age and size at maturity in females, was studied in five lakes in Northern Sweden, differing in perch size distribution and relative predator abundance. Age at maturity was negatively correlated with size of young‐of‐the‐year perch in the end of their first growth season. Length at maturity was positively correlated with L ∞ (asymptotic length when age is close to infinity) and negatively correlated with K (growth rate coefficient) from von Bertalanffy growth model. Relative predator abundance was negatively correlated with minimum size at maturity. However, predation was probably more important in its effect on growth, with a high predation leading to a decrease in population density, decreased food competition, and as a consequence, higher growth rates. Instantaneous mortality rates did not affect maturation patterns when comparing across the five lakes. Age and size at maturity in the perch populations studied here seemed to be mainly influenced by factors affecting growth. |
format |
Article in Journal/Newspaper |
author |
Heibo, E. Magnhagen, C. |
author_facet |
Heibo, E. Magnhagen, C. |
author_sort |
Heibo, E. |
title |
Variation in age and size at maturity in perch ( Perca fluviatilis L.), compared across lakes with different predation risk |
title_short |
Variation in age and size at maturity in perch ( Perca fluviatilis L.), compared across lakes with different predation risk |
title_full |
Variation in age and size at maturity in perch ( Perca fluviatilis L.), compared across lakes with different predation risk |
title_fullStr |
Variation in age and size at maturity in perch ( Perca fluviatilis L.), compared across lakes with different predation risk |
title_full_unstemmed |
Variation in age and size at maturity in perch ( Perca fluviatilis L.), compared across lakes with different predation risk |
title_sort |
variation in age and size at maturity in perch ( perca fluviatilis l.), compared across lakes with different predation risk |
publisher |
Wiley |
publishDate |
2005 |
url |
http://dx.doi.org/10.1111/j.1600-0633.2005.00108.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1600-0633.2005.00108.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1600-0633.2005.00108.x |
genre |
Northern Sweden |
genre_facet |
Northern Sweden |
op_source |
Ecology of Freshwater Fish volume 14, issue 4, page 344-351 ISSN 0906-6691 1600-0633 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/j.1600-0633.2005.00108.x |
container_title |
Ecology of Freshwater Fish |
container_volume |
14 |
container_issue |
4 |
container_start_page |
344 |
op_container_end_page |
351 |
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1784277885169696768 |