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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.12343
|2 doi
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|a pubmed25n0765.xml
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|a (DE-627)NLM229671128
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|a (NLM)23907987
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|a DE-627
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|e rakwb
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|a eng
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|a Sequeira, Ana M M
|e verfasserin
|4 aut
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| 245 |
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|a Predicting current and future global distributions of whale sharks
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|c 2014
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 16.09.2014
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|a Date Revised 17.03.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2013 John Wiley & Sons Ltd.
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|a The Vulnerable (IUCN) whale shark spans warm and temperate waters around the globe. However, their present-day and possible future global distribution has never been predicted. Using 30 years (1980-2010) of whale shark observations recorded by tuna purse-seiners fishing in the Atlantic, Indian and Pacific Oceans, we applied generalized linear mixed-effects models to test the hypothesis that similar environmental covariates predict whale shark occurrence in all major ocean basins. We derived global predictors from satellite images for chlorophyll a and sea surface temperature, and bathymetric charts for depth, bottom slope and distance to shore. We randomly generated pseudo-absences within the area covered by the fisheries, and included fishing effort as an offset to account for potential sampling bias. We predicted sea surface temperatures for 2070 using an ensemble of five global circulation models under a no climate-policy reference scenario, and used these to predict changes in distribution. The full model (excluding standard deviation of sea surface temperature) had the highest relative statistical support (wAICc = 0.99) and explained ca. 60% of the deviance. Habitat suitability was mainly driven by spatial variation in bathymetry and sea surface temperature among oceans, although these effects differed slightly among oceans. Predicted changes in sea surface temperature resulted in a slight shift of suitable habitat towards the poles in both the Atlantic and Indian Oceans (ca. 5°N and 3-8°S, respectively) accompanied by an overall range contraction (2.5-7.4% and 1.1-6.3%, respectively). Predicted changes in the Pacific Ocean were small. Assuming that whale shark environmental requirements and human disturbances (i.e. no stabilization of greenhouse gas emissions) remain similar, we show that warming sea surface temperatures might promote a net retreat from current aggregation areas and an overall redistribution of the species
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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| 650 |
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|a Rhincodon typus
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| 650 |
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4 |
|a climate change
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| 650 |
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4 |
|a conservation
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| 650 |
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4 |
|a global ocean
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| 650 |
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|a global warming
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| 650 |
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|a remote sensing
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| 650 |
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|a sea surface temperature
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| 650 |
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4 |
|a species distribution models
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| 650 |
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4 |
|a tuna purse-seine fisheries
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| 700 |
1 |
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|a Mellin, Camille
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fordham, Damien A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Meekan, Mark G
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bradshaw, Corey J A
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Global change biology
|d 1999
|g 20(2014), 3 vom: 01. März, Seite 778-89
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
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|g volume:20
|g year:2014
|g number:3
|g day:01
|g month:03
|g pages:778-89
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|u http://dx.doi.org/10.1111/gcb.12343
|3 Volltext
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