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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.14956
|2 doi
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|a pubmed24n1014.xml
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|a (DE-627)NLM304342653
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|a (NLM)31833116
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Gorman, Daniel
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Decadal losses of canopy-forming algae along the warm temperate coastline of Brazil
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| 264 |
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1 |
|c 2020
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 19.03.2020
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|a Date Revised 19.03.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2019 John Wiley & Sons Ltd.
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|a The loss of canopy-forming seaweeds from urbanized coasts has intensified in response to warming seas and non-climatic pressures such as population growth and declining water quality. Surprisingly, there has been little information on the extent of historical losses in the South-western Atlantic, which limits our ability to place this large marine ecosystem in a global context. Here, we use meta-analysis to examine long-term (1969-2017) changes to the cover and biomass of Sargassum spp. and structurally simple algal turfs along more than 1,000 kilometres of Brazil's warm temperate coastline. Analysis revealed major declines in canopy cover that were independent of season (i.e., displaying similar trends for both summer and winter) but varied with coastal environmental setting, whereby sheltered bays experienced greater losses than coastal locations. On average, covers of Sargassum spp. declined by 2.6% per year, to show overall losses of 52% since records began (ranging from 20% to 89%). This contrasted with increases in the cover of filamentous turfs (24% over the last 27 years) which are known to proliferate along human-impacted coasts. To test the relative influence of climatic versus non-climatic factors as drivers of this apparent canopy-to-turf shift, we examined how well regional warming trends (decadal changes to sea surface temperature) and local proxies of coastal urbanization (population density, thermal pollution, turbidity and nutrient inputs) were able to predict the changes in seaweed communities. Our results revealed that the most pronounced canopy losses over the past 50 years were at sites exhibiting the greatest degree of coastal warming, the highest population growth and those located in semi-enclosed sheltered bays. These findings contribute knowledge on the drivers of canopy loss in the South-western Atlantic and join with global efforts to understand and mitigate declines of marine keystone species
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|a Journal Article
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| 650 |
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4 |
|a Meta-Analysis
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| 650 |
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4 |
|a Research Support, Non-U.S. Gov't
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| 650 |
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4 |
|a Sargassum
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| 650 |
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4 |
|a algal turf
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| 650 |
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4 |
|a biomass
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| 650 |
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4 |
|a canopy cover
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| 650 |
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4 |
|a climatic drivers
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| 650 |
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4 |
|a regime shift
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| 650 |
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4 |
|a urbanization
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| 700 |
1 |
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|a Horta, Paulo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Flores, Augusto A V
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Turra, Alexander
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Berchez, Flávio Augusto de Souza
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Batista, Manuela B
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lopes Filho, Euro S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Melo, Mariana S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ignacio, Barbara L
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Carneiro, Ivan M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Villaça, Roberto C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Széchy, Maria Teresa M
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Global change biology
|d 1999
|g 26(2020), 3 vom: 26. März, Seite 1446-1457
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
1 |
8 |
|g volume:26
|g year:2020
|g number:3
|g day:26
|g month:03
|g pages:1446-1457
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| 856 |
4 |
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|u http://dx.doi.org/10.1111/gcb.14956
|3 Volltext
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|d 26
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|e 3
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|h 1446-1457
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