Stronger effects of heterozygosity on survival in harsher environments

Vincenzi, Simone; Jesenšek, Dušan; Garza, John C.; Crivelli, Alain J.

doi:10.1111/jfb.13827

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The NOAA IR serves as an archival repository of NOAA-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by NOAA or funded partners. As a repository, the NOAA IR retains documents in their original published format to ensure public access to scientific information.

i

Stronger effects of heterozygosity on survival in harsher environments

2018
By Vincenzi, Simone ; Jesenšek, Dušan ; Garza, John C. ; ...
Source: Journal of Fish Biology, 93(6), 1102-1106

[PDF-463.88 KB]

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Details:

Journal Title:

Journal of Fish Biology
Personal Author:

Vincenzi, Simone ; Jesenšek, Dušan ; Garza, John C. ; Crivelli, Alain J.

Vincenzi, Simone ; Jesenšek, Dušan ; Garza, John C. ; Crivelli, Alain J. Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; SWFSC (Southwest Fisheries Science Center)

NMFS (National Marine Fisheries Service) ; SWFSC (Southwest Fisheries Science Center) Less -
Description:

The hypothesis that the effects of heterozygosity vary with environmental conditions was tested using six populations of marble trout Salmo marmoratus from western Slovenia as a model system. The hypotheses tested were: stronger effects of heterozygosity on survival in populations characterized by low average survival; no effects of heterozygosity on probability of surviving flash floods owing to their largely non-selective effects across traits; stronger effects of heterozygosity on survival for fish born after floods than fish born before. A significant effect of heterozygosity on survival was found in populations characterized by low average survival. There were no effects of heterozygosity on probability of surviving flash floods, but in one population a positive correlation between heterozygosity and survival for fish born after the extreme events was found, probably because crowding in a small section of the stream caused more intense competition for resources.
Keywords:

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Aquatic Science Ecology, Evolution, Behavior And Systematics
Source:

Journal of Fish Biology, 93(6), 1102-1106
DOI:

https://doi.org/10.1111/jfb.13827
ISSN:

0022-1112;1095-8649;
Format:

PDF
Publisher:

Wiley
Document Type:

Journal Article
Rights Information:

Accepted Manuscript
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Library
Main Document Checksum:

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urn:sha-512:5583f8243ba862a143cc3e59829d3c301db4f6aa1dbdc75853be2e04a7207918ec9915c852b53226e5456e9b93e052aae415b1d4a5ad45c4ffe49da7f2460f4e
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https://repository.library.noaa.gov/view/noaa/63119/noaa_63119_DS1.pdf
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