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Plant Species Richness and Ecosystem Multifunctionality in Global Drylands
Global Ecosystem Analysis The relationship between species richness and the functional properties of their ecosystems has often been studied at small scales in experimental plots. Maestre et al. (p.Expand
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Decoupling of soil nutrient cycles as a function of aridity in global drylands
The biogeochemical cycles of carbon (C), nitrogen (N) and phosphorus (P) are interlinked by primary production, respiration and decomposition in terrestrial ecosystems. It has been suggested that theExpand
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Increasing aridity reduces soil microbial diversity and abundance in global drylands
Significance Climate change is increasing the degree of aridity in drylands, which occupy 41% of Earth’s surface and support 38% of its population. Soil bacteria and fungi are largely responsible forExpand
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Infiltration through three contrasting biological soil crusts in patterned landscapes in the Negev, Israel
Abstract We examined the role of soil crusts in infiltration processes in three contrasting environments in the Northern, Central, and Central-Western Negev, Israel. The removal of a thinExpand
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The effect of microphytes on the spectral reflectance of vegetation in semiarid regions
The normalized difference vegetation index (NDVI), which is derived from satellite sensor images, is widely used as a measure of vegetation and ecosystem dynamics, change in land use,Expand
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The CO2 exchange of biological soil crusts in a semiarid grass-shrubland at the northern transition zone of the Negev desert, Israel
Abstract. Biological soil crusts (BSC) contribute significantly to the soil surface cover in many dryland ecosystems. A mixed type of BSC, which consists of cyanobacteria, mosses and cyanolichens,Expand
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Litter as a regulator of N and C dynamics in macrophytic patches in Negev desert soils
Abstract In desert ecosystems, nutrient cycling activity is concentrated in brief periods of intense biological activity following wetting events. Release and uptake of N from litter and microbialExpand
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Patterns and Controls on Nitrogen Cycling of Biological Soil Crusts
In low-nutrient environments with few vascular plant symbiotic N fixers, biocrusts play an important role in ecosystem N cycling. A large number of studies across a wide range of biomes clearlyExpand
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The germination of mucilaginous seeds of t Plantago coronopus, Reboudia pinnata, and t Carrichtera annua on cyanobacterial soil crust from the Negev Desert
We studied the effect of intact, crushed or sterile cyanobacterial soil crust from the Negev Desert highlands of Israel as substrates for the germination of seeds of three annual plant species fromExpand
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Inferring biological soil crust successional stage using combined PLFA, DGGE, physical and biophysiological analyses
Arid areas are highly sensitive to climate change and are ideal model systems to study the potential impact of climate change on species' community structure. Biological soil crust (BSC) formationExpand
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