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DTSTART:20181028T030000
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DESCRIPTION:Substantial research efforts are being devoted in the last deca
 des to understand how biotic attributes such as species richness\, composi
 tion and diversity affect ecosystem functioning and the provision of ecosy
 stem services. However\, most of this research has been carried out in eco
 systems other than drylands\, which cover ~45% and host over 40% of the gl
 obal population. In these ecosystems\, biotic attributes such as the cover
 \, type and spatial pattern of vegetation and biocrust (surface soil commu
 nities dominated by lichens\, mosses and cyanobacteria) patches largely af
 fect ecosystem functioning yet most studies showing their importance have 
 been carried out at local scales. In this talk I will summarize the result
 s of recent and ongoing studies evaluating how biotic attributes (species 
 richness\, evenness and composition\, cover and spatial pattern) modulate 
 multiple ecosystem functions (multifunctionality) across environmental gra
 dients. These studies use multiple experimental approaches (manipulative a
 nd natural experiments)\, biotic communities (vascular plants\, microbial 
 communities and biocrusts dominated by mosses\, lichens and cyanobacteria)
 \, spatial scales (from local to global) and ecosystem processes linked to
  hydrology\, plant productivity and nutrient cycling. Overall\, our result
 s indicate that biotic attributes are key drivers of multifunctionality in
  drylands worldwide\, and may partially buffer the negative effects of ong
 oing climate change on ecosystem functioning in these water-limited ecosys
 tems.\nKeywords: drylands\, biological soil crusts\, spatial pattern\, spe
 cies richness\, ecosystem functioning\, global environmental change.\n***
 \ninvited by Anke Jentsch\, Disturbance Ecology
DTSTART;TZID=Europe/Berlin:20190704T120000
DTEND;TZID=Europe/Berlin:20190704T133000
SUMMARY:Prof. Dr. Fernando T. Maestre\, Dryland Ecology & Global Change Lab
 \, Universidad de Alicante\, Alicante\, Spain (Homepage): Biotic controls 
 of ecosystem functioning in global drylands
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