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Old world versus new world: life-history alterations in a successful invader introduced across Europe

We examined differences in pumpkinseed (Lepomis gibbosus) life-history traits between native North American and introduced European populations, and tested three life-history predictions related to the effect of temperature, growth, waterbody size, and the presence/absence of predators on native and... Full description

Journal Title: Oecologia 2014-02-01, Vol.174 (2), p.435-446
Main Author: Fox, Michael G
Other Authors: Copp, Gordon H
Format: Electronic Article Electronic Article
Language: English
Subjects:
Publisher: Berlin/Heidelberg: Springer
ID: ISSN: 0029-8549
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recordid: cdi_proquest_miscellaneous_1492680042
title: Old world versus new world: life-history alterations in a successful invader introduced across Europe
format: Article
creator:
  • Fox, Michael G
  • Copp, Gordon H
subjects:
  • Analysis
  • Animal and plant ecology
  • Animal, plant and microbial ecology
  • Animals
  • Applied ecology
  • Behavior
  • Biological and medical sciences
  • Biomedical and Life Sciences
  • Bodies of water
  • Body Size
  • Conservation, protection and management of environment and wildlife
  • Ecological life histories
  • Ecology
  • Enemy release
  • Europe
  • Evolution
  • Fishes
  • Freshwater fishes
  • Fundamental and applied biological sciences. Psychology
  • General aspects
  • Growth traits
  • Hydrology/Water Resources
  • Introduced Species
  • Lepomis gibbosus
  • Life Sciences
  • Models, Biological
  • North America
  • Original research
  • Parks, reserves, wildlife conservation. Endangered species: population survey and restocking
  • Perciformes - growth & development
  • Phenotype
  • Plant Sciences
  • Population characteristics
  • Population Dynamics
  • POPULATION ECOLOGY
  • Population ecology - Original research
  • Population growth
  • Population growth rate
  • Population mean
  • Population size
  • Predators
  • Predatory Behavior
  • Pumpkinseed
  • Reproduction
  • Somatic growth
  • Species introduction
  • Systematics
  • Temperature
  • Toy industry
ispartof: Oecologia, 2014-02-01, Vol.174 (2), p.435-446
description: We examined differences in pumpkinseed (Lepomis gibbosus) life-history traits between native North American and introduced European populations, and tested three life-history predictions related to the effect of temperature, growth, waterbody size, and the presence/absence of predators on native and non-native populations. Pumpkinseed populations exhibit more 'opportunistic' traits (earlier maturity, smaller size at maturity, and higher reproductive allocation) in their introduced European range than those in their native range. Predictions of life-history traits were improved when indicators of juvenile growth rate (mean length at age 2), waterbody size (surface area), and thermal regime (air temperature degree-days above 10 °C) were incorporated into models along with continental location, but European pumpkinseed populations exhibit more opportunistic life-history traits than North American populations even when these factors are accounted for. Native pumpkinseed in waterbodies containing piscivores mature later and at a larger size, and have lower gonadosomatic indices than those in waterbodies lacking piscivores, whereas there is no significant difference in the same three life-history traits between European waterbodies containing or lacking piscivores. Because congeneric competitors of the pumpkinseed are absent from Europe, the apparent absence of a predator life-history effect there could also be due to the absence of the major sunfish competitors. In either case, the evolution and maintenance of more opportunistic traits in European pumpkinseed can likely be attributed to enemy release, and this may explain the successful establishment and spread of pumpkinseed in many parts of Europe.
language: eng
source:
identifier: ISSN: 0029-8549
fulltext: no_fulltext
issn:
  • 0029-8549
  • 1432-1939
url: Link


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titleOld world versus new world: life-history alterations in a successful invader introduced across Europe
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descriptionWe examined differences in pumpkinseed (Lepomis gibbosus) life-history traits between native North American and introduced European populations, and tested three life-history predictions related to the effect of temperature, growth, waterbody size, and the presence/absence of predators on native and non-native populations. Pumpkinseed populations exhibit more 'opportunistic' traits (earlier maturity, smaller size at maturity, and higher reproductive allocation) in their introduced European range than those in their native range. Predictions of life-history traits were improved when indicators of juvenile growth rate (mean length at age 2), waterbody size (surface area), and thermal regime (air temperature degree-days above 10 °C) were incorporated into models along with continental location, but European pumpkinseed populations exhibit more opportunistic life-history traits than North American populations even when these factors are accounted for. Native pumpkinseed in waterbodies containing piscivores mature later and at a larger size, and have lower gonadosomatic indices than those in waterbodies lacking piscivores, whereas there is no significant difference in the same three life-history traits between European waterbodies containing or lacking piscivores. Because congeneric competitors of the pumpkinseed are absent from Europe, the apparent absence of a predator life-history effect there could also be due to the absence of the major sunfish competitors. In either case, the evolution and maintenance of more opportunistic traits in European pumpkinseed can likely be attributed to enemy release, and this may explain the successful establishment and spread of pumpkinseed in many parts of Europe.
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subjectAnalysis ; Animal and plant ecology ; Animal, plant and microbial ecology ; Animals ; Applied ecology ; Behavior ; Biological and medical sciences ; Biomedical and Life Sciences ; Bodies of water ; Body Size ; Conservation, protection and management of environment and wildlife ; Ecological life histories ; Ecology ; Enemy release ; Europe ; Evolution ; Fishes ; Freshwater fishes ; Fundamental and applied biological sciences. Psychology ; General aspects ; Growth traits ; Hydrology/Water Resources ; Introduced Species ; Lepomis gibbosus ; Life Sciences ; Models, Biological ; North America ; Original research ; Parks, reserves, wildlife conservation. Endangered species: population survey and restocking ; Perciformes - growth & development ; Phenotype ; Plant Sciences ; Population characteristics ; Population Dynamics ; POPULATION ECOLOGY ; Population ecology - Original research ; Population growth ; Population growth rate ; Population mean ; Population size ; Predators ; Predatory Behavior ; Pumpkinseed ; Reproduction ; Somatic growth ; Species introduction ; Systematics ; Temperature ; Toy industry
ispartofOecologia, 2014-02-01, Vol.174 (2), p.435-446
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descriptionWe examined differences in pumpkinseed (Lepomis gibbosus) life-history traits between native North American and introduced European populations, and tested three life-history predictions related to the effect of temperature, growth, waterbody size, and the presence/absence of predators on native and non-native populations. Pumpkinseed populations exhibit more 'opportunistic' traits (earlier maturity, smaller size at maturity, and higher reproductive allocation) in their introduced European range than those in their native range. Predictions of life-history traits were improved when indicators of juvenile growth rate (mean length at age 2), waterbody size (surface area), and thermal regime (air temperature degree-days above 10 °C) were incorporated into models along with continental location, but European pumpkinseed populations exhibit more opportunistic life-history traits than North American populations even when these factors are accounted for. Native pumpkinseed in waterbodies containing piscivores mature later and at a larger size, and have lower gonadosomatic indices than those in waterbodies lacking piscivores, whereas there is no significant difference in the same three life-history traits between European waterbodies containing or lacking piscivores. Because congeneric competitors of the pumpkinseed are absent from Europe, the apparent absence of a predator life-history effect there could also be due to the absence of the major sunfish competitors. In either case, the evolution and maintenance of more opportunistic traits in European pumpkinseed can likely be attributed to enemy release, and this may explain the successful establishment and spread of pumpkinseed in many parts of Europe.
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5Behavior
6Biological and medical sciences
7Biomedical and Life Sciences
8Bodies of water
9Body Size
10Conservation, protection and management of environment and wildlife
11Ecological life histories
12Ecology
13Enemy release
14Europe
15Evolution
16Fishes
17Freshwater fishes
18Fundamental and applied biological sciences. Psychology
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20Growth traits
21Hydrology/Water Resources
22Introduced Species
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28Parks, reserves, wildlife conservation. Endangered species: population survey and restocking
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30Phenotype
31Plant Sciences
32Population characteristics
33Population Dynamics
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35Population ecology - Original research
36Population growth
37Population growth rate
38Population mean
39Population size
40Predators
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42Pumpkinseed
43Reproduction
44Somatic growth
45Species introduction
46Systematics
47Temperature
48Toy industry
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1Animal and plant ecology
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8Bodies of water
9Body Size
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37Population growth rate
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notesCommunicated by Leon Barmuta.
abstractWe examined differences in pumpkinseed (Lepomis gibbosus) life-history traits between native North American and introduced European populations, and tested three life-history predictions related to the effect of temperature, growth, waterbody size, and the presence/absence of predators on native and non-native populations. Pumpkinseed populations exhibit more 'opportunistic' traits (earlier maturity, smaller size at maturity, and higher reproductive allocation) in their introduced European range than those in their native range. Predictions of life-history traits were improved when indicators of juvenile growth rate (mean length at age 2), waterbody size (surface area), and thermal regime (air temperature degree-days above 10 °C) were incorporated into models along with continental location, but European pumpkinseed populations exhibit more opportunistic life-history traits than North American populations even when these factors are accounted for. Native pumpkinseed in waterbodies containing piscivores mature later and at a larger size, and have lower gonadosomatic indices than those in waterbodies lacking piscivores, whereas there is no significant difference in the same three life-history traits between European waterbodies containing or lacking piscivores. Because congeneric competitors of the pumpkinseed are absent from Europe, the apparent absence of a predator life-history effect there could also be due to the absence of the major sunfish competitors. In either case, the evolution and maintenance of more opportunistic traits in European pumpkinseed can likely be attributed to enemy release, and this may explain the successful establishment and spread of pumpkinseed in many parts of Europe.
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