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  Natural mortality, growth parameters, and environmental temperature in fishes revisited

Griffiths, D., & Harrod, C. (2007). Natural mortality, growth parameters, and environmental temperature in fishes revisited. Canadian Journal of Fisheries and Aquatic Sciences, 64(2), 249-255. doi:10.1139/F07-002.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-D7DD-7 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-D7DE-5
Genre: Journal Article

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Griffiths & Harrod 2007 CJFAS 64 249-255.pdf (Publisher version), 121KB
 
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 Creators:
Griffiths, David, Author
Harrod, Chris1, 2, Author              
Affiliations:
1Department Ecophysiology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_976547              
2Department Evolutionary Genetics, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445635              

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 Abstract: Pauly (1980. J. Cons. Int. Explor. Mer, 39: 175–192) showed that natural mortality rates in fish could be predicted from body growth parameters and environmental temperature but found no evidence for ecological or taxonomic influences. Using an updated database and techniques that avoid some of the earlier analytical problems, we confirm Pauly's conclusion that mortality is correlated with growth and temperature. A path model supports the role of ecological effects on mortality. A phylogenetic effect is also apparent: perciform fishes occupy warmer environments than other species, but in the predator-rich reef habitat they suffer much lower mortality rates. Species that are cryptic or hide in burrows or have morphological defences against predators show the lowest mortality rates.

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Language(s): eng - English
 Dates: 2007-02
 Publication Status: Published in print
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 Identifiers: eDoc: 307736
DOI: 10.1139/F07-002
Other: 2529/S 38675
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Title: Canadian Journal of Fisheries and Aquatic Sciences
  Alternative Title : Can. J. Fish. Aquat. Sci.
Source Genre: Journal
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Pages: - Volume / Issue: 64 (2) Sequence Number: - Start / End Page: 249 - 255 Identifier: ISSN: 0706-652X