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Plant diversity loss affects stream ecosystem multifunctionality

dc.contributor.authorLópez-Rojo N.
dc.contributor.authorPozo J.
dc.contributor.authorPérez J.
dc.contributor.authorBasaguren A.
dc.contributor.authorMartínez A.
dc.contributor.authorTonin A.M.
dc.contributor.authorCorrea-Araneda F.
dc.contributor.authorBoyero L.
dc.date.accessioned2020-09-02T22:21:53Z
dc.date.available2020-09-02T22:21:53Z
dc.date.issued2019
dc.identifier10.1002/ecy.2847
dc.identifier.citation100, 12, -
dc.identifier.issn00129658
dc.identifier.urihttps://hdl.handle.net/20.500.12728/5139
dc.descriptionBiodiversity loss is occurring globally at unprecedented rates, altering the functioning of the Earth's ecosystems. Multiple processes are often key components of ecosystem functioning, but it is unclear how biodiversity loss affects ecosystem multifunctionality (i.e., the ability of ecosystems to maintain multiple processes simultaneously). This is particularly true for some ecosystem types such as streams, which have been understudied, despite their key role in global biogeochemical cycles and their serious impairment by the widespread loss of riparian vegetation as a result of global change. Using a microcosm experiment, we tested whether losing riparian plant diversity affected stream multifunctionality, taking into account nine key processes related to litter decomposition, animal biomass production, and nutrient cycling, and simulating plant species loss from four to one in the presence or absence of litter-feeding detritivores. Multifunctionality increased with plant diversity in the presence of detritivores and decreased in their absence, evidencing a key role of detritivores in biodiversity–ecosystem-functioning (BEF) relationships. Moreover, by exploring effects of plant diversity on each process individually we were able to reveal potential mechanisms underlying BEF relationships; for example, effects of plant diversity on nutrient cycling occurred at least partly via indirect nutrient transfer, and were possibly accompanied by changes in microbial stoichiometry. Such mechanisms were unnoticeable when examining multifunctionality metrics, suggesting that individual processes provide crucial information to understand how stream ecosystem functioning is impaired by biodiversity loss. © 2019 by the Ecological Society of America
dc.language.isoen
dc.publisherEcological Society of America
dc.subjectdetritivore growth
dc.subjectdetritus-based streams
dc.subjectecosystem functioning
dc.subjectFPOM production
dc.subjectlitter decomposition
dc.subjectmultiple processes
dc.subjectnutrient cycling
dc.subjectplant diversity
dc.subjectbiodiversity
dc.subjectbiogeochemical cycle
dc.subjectdecomposition
dc.subjectdetritus
dc.subjectecosystem function
dc.subjectglobal change
dc.subjectlitter
dc.subjectmicrocosm
dc.subjectriparian vegetation
dc.subjectspecies diversity
dc.subjectstoichiometry
dc.subjectstream
dc.subjectAnimalia
dc.subjectanimal
dc.subjectbiodiversity
dc.subjectecosystem
dc.subjectplant
dc.subjectplant leaf
dc.subjectriver
dc.subjectAnimals
dc.subjectBiodiversity
dc.subjectEcosystem
dc.subjectPlant Leaves
dc.subjectPlants
dc.subjectRivers
dc.titlePlant diversity loss affects stream ecosystem multifunctionality
dc.typeArticle


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