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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.15232
|2 doi
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|a pubmed25n1043.xml
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|a (NLM)32729653
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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 Eldridge, David J
|e verfasserin
|4 aut
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| 245 |
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|a The pervasive and multifaceted influence of biocrusts on water in the world's drylands
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|c 2020
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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 29.01.2021
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|a Date Revised 29.01.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2020 John Wiley & Sons Ltd.
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|a The capture and use of water are critically important in drylands, which collectively constitute Earth's largest biome. Drylands will likely experience lower and more unreliable rainfall as climatic conditions change over the next century. Dryland soils support a rich community of microphytic organisms (biocrusts), which are critically important because they regulate the delivery and retention of water. Yet despite their hydrological significance, a global synthesis of their effects on hydrology is lacking. We synthesized 2,997 observations from 109 publications to explore how biocrusts affected five hydrological processes (times to ponding and runoff, early [sorptivity] and final [infiltration] stages of water flow into soil, and the rate or volume of runoff) and two hydrological outcomes (moisture storage, sediment production). We found that increasing biocrust cover reduced the time for water to pond on the surface (-40%) and commence runoff (-33%), and reduced infiltration (-34%) and sediment production (-68%). Greater biocrust cover had no significant effect on sorptivity or runoff rate/amount, but increased moisture storage (+14%). Infiltration declined most (-56%) at fine scales, and moisture storage was greatest (+36%) at large scales. Effects of biocrust type (cyanobacteria, lichen, moss, mixed), soil texture (sand, loam, clay), and climatic zone (arid, semiarid, dry subhumid) were nuanced. Our synthesis provides novel insights into the magnitude, processes, and contexts of biocrust effects in drylands. This information is critical to improve our capacity to manage dwindling dryland water supplies as Earth becomes hotter and drier
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|a Journal Article
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|a biological soil crust
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|a bryophyte
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|a cryptogam
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|a cyanobacteria
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|a hydrological cycle
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|a infiltration
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|a lichen
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|a sediment production
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|a soil hydrology
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|a soil moisture
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|a Soil
|2 NLM
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|a Water
|2 NLM
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|a 059QF0KO0R
|2 NLM
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| 700 |
1 |
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|a Reed, Sasha
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Travers, Samantha K
|e verfasserin
|4 aut
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1 |
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|a Bowker, Matthew A
|e verfasserin
|4 aut
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1 |
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|a Maestre, Fernando T
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ding, Jingyi
|e verfasserin
|4 aut
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| 700 |
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|a Havrilla, Caroline
|e verfasserin
|4 aut
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|a Rodriguez-Caballero, Emilio
|e verfasserin
|4 aut
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|a Barger, Nichole
|e verfasserin
|4 aut
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|a Weber, Bettina
|e verfasserin
|4 aut
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|a Antoninka, Anita
|e verfasserin
|4 aut
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|a Belnap, Jayne
|e verfasserin
|4 aut
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| 700 |
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|a Chaudhary, Bala
|e verfasserin
|4 aut
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| 700 |
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|a Faist, Akasha
|e verfasserin
|4 aut
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|a Ferrenberg, Scott
|e verfasserin
|4 aut
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|a Huber-Sannwald, Elisabeth
|e verfasserin
|4 aut
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|a Malam Issa, Oumarou
|e verfasserin
|4 aut
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| 700 |
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|a Zhao, Yunge
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Global change biology
|d 1999
|g 26(2020), 10 vom: 01. Okt., Seite 6003-6014
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnas
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| 773 |
1 |
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|g volume:26
|g year:2020
|g number:10
|g day:01
|g month:10
|g pages:6003-6014
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|u http://dx.doi.org/10.1111/gcb.15232
|3 Volltext
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|d 26
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