11-Soil microbial communities and elk foraging int
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2019-03-20 12:38:55
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11-Soil microbial communities and elk foraging intensity_ implications for soil biogeochemical cycling in the sagebrush steppe.LETTERSoilmicrobialcommunitiesandelkforagingintensity:implicationsforsoilbiogeochemicalcyclinginthesagebrushsteppeLaurenC.Cline,1*DonaldR.Zak,2,3RimaA.Upchurch,2ZacharyB.Freedman4andAnnaR.Peschel5AbstractForagingintensityoflargeherbivoresmayexertanindirecttop-downecologicalforceonsoilmicrobialcommunitiesviachangesinplantlitterinputs.Weinvestigatedtheresponsesofthesoilmicrobialcommunitytoelk(Cervuselaphus)winterrangeoccupancyacrossalong-termforagingexclusionexperimentinthesagebrushsteppeoftheNorthAmericanRockyMountains,combin-ingphylogeneticanalysisoffungiandbacteriawithshotgunmetagenomicsandextracellularenzymeassays.Winterforagingintensitywasassociatedwithreducedbacterialrichnessandincreasinglydistinctbacterialcommunities.Althoughfungalcommunitiesdidnotrespondlinearlytoforagingintensity,agreaterb-diversityresponsetowinterforagingexclusionwasobserved.Furthermore
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