Search results for " precipitation gradient"

showing 2 items of 2 documents

Impact of woody encroachment on soil organic carbon and nitrogen in abandoned agricultural lands along a rainfall gradient in Italy

2011

Land use changes represent one of the most important components of global environmental change andhave a strong influence on carbon cycling. As a consequence of changes in economy during the last century, areas of marginal agriculture have been abandoned leading to secondary successions. The encroachment of woody plants into grasslands, pastures and croplands is generally thought to increase the carbon stored in these ecosystems even though there are evidences for a decrease in soil carbon stocks after land use change. In this paper, we investigate the effects of woody plant invasion on soil carbon and nitrogen stocks along a precipitation gradient (200–2,500 mm) using original data from pa…

Total organic carbonGlobal and Planetary ChangeSecondary successionSettore AGR/05 - Assestamento Forestale E SelvicolturaEcologySoil organic matterSoil carbonCarbon sequestrationCarbon cycleSettore AGR/02 - Agronomia E Coltivazioni ErbaceeSettore AGR/03 - Arboricoltura Generale E Coltivazioni ArboreeAgronomyLand use change Soil carbon Precipitation gradient Secondary successionEnvironmental scienceEcosystemWoody plant
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Plant functional and taxonomic diversity in European grasslands along climatic gradients

2021

Aim European grassland communities are highly diverse, but patterns and drivers of their continental-scale diversity remain elusive. This study analyses taxonomic and functional richness in European grasslands along continental-scale temperature and precipitation gradients. Location Europe. Methods We quantified functional and taxonomic richness of 55,748 vegetation plots. Six plant traits, related to resource acquisition and conservation, were analysed to describe plant community functional composition. Using a null-model approach we derived functional richness effect sizes that indicate higher or lower diversity than expected given the taxonomic richness. We assessed the variation in abso…

0106 biological sciencesgrassland diversity333.7: Landflächen Naturerholungsgebieteenvironmental filtering favourability hypothesis functional richness grassland diversity limiting similarity null model plant trait diversity precipitation gradient seasonality taxonomic richness temperature gradient trait-environment relationshippragmatic approachBiodiversitylimiting similarityEnvironmental filtering; Favourability hypothesis; Functional richness; Grassland diversity; Limiting similarity; Null model; Plant trait diversity; Precipitation gradient; Seasonality; Taxonomic richness; Temperature gradient; Trait‐environment relationshipPlant Scienceprecipitation gradient01 natural sciencesGrasslandtaxonomic richnesstrait-environmentspecies richnessfavourability hypothesisbiodiversity2. Zero hungermechanismsgeography.geographical_feature_categoryEcologyEcologyseasonalitynull modelassembly rulesVegetation580: Pflanzen (Botanik)communityAssembly rulestrait convergence010603 evolutionary biologytemperature gradientLimiting similaritymedicineTrait‐environment relationshipgeographyfunctional richnessAquatic EcologyPlant communityenvironmental filtering15. Life on landSeasonalitymedicine.diseasetrait-environment relationshipEnvironmental scienceSpecies richnessdivergenceEnvironmental Sciencesplant trait diversity010606 plant biology & botany
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