Document Detail


Facing change: forms and foundations of contemporary adaptation to biotic invasions.
MedLine Citation:
PMID:  17784919     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Ongoing adaptation in native populations to anthropogenic change both facilitates and challenges ecologically appropriate and sustainable management. Human disturbance promotes adaptive responses at the genomic, individual and population levels. Traits vary widely in whether adaptation occurs through plasticity or evolution, and these modes interact within and among traits. For example, plasticity in one trait may be adaptive because it permits homeostasis and lessens the intensity of selection in another. Both opportunity and catastrophe generate adaptive responses. Recently evolved adaptations characterize the responses of many native species to biotic invasions. Several well-known examples involve native phytophagous insects colonizing introduced plants. For example, our studies of North American and Australian soapberry bugs on nonindigenous plants demonstrate both diversifying and homogenizing contemporary evolution. Modes of adaptation differ among traits and populations and as a function of the host on which they develop. The genetic architecture of the evolving adaptations involves a substantial degree of nonadditive genetic variation. One important consequence of contemporary adaptation may be an enhanced capacity of native communities to provide adaptive biological control of invasive species. Conservation scientists may manipulate adaptation to achieve conservation goals, but must also decide how deeply they wish to attempt to control the phenotypes and genotypes of other species.
Authors:
Scott P Carroll
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.; Review     Date:  2007-09-03
Journal Detail:
Title:  Molecular ecology     Volume:  17     ISSN:  0962-1083     ISO Abbreviation:  Mol. Ecol.     Publication Date:  2008 Jan 
Date Detail:
Created Date:  2008-01-04     Completed Date:  2008-03-13     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  9214478     Medline TA:  Mol Ecol     Country:  England    
Other Details:
Languages:  eng     Pagination:  361-72     Citation Subset:  IM    
Affiliation:
Department of Entomology and Center for Population Biology, University of California, Davis, Davis, CA 95616, USA. spcarroll@ucdavis.edu
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MeSH Terms
Descriptor/Qualifier:
Adaptation, Biological / genetics*,  physiology
Animals
Conservation of Natural Resources / methods*
Demography*
Ecosystem*
Evolution*
Genetic Variation*
Hemiptera / genetics,  physiology
Phenotype*
Population Dynamics

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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