000125779 001__ 125779
000125779 005__ 20241125101135.0
000125779 0247_ $$2doi$$a10.1111/1365-2435.14270
000125779 0248_ $$2sideral$$a133117
000125779 037__ $$aART-2023-133117
000125779 041__ $$aeng
000125779 100__ $$aSanaei, A.
000125779 245__ $$aGrazing intensity alters the plant diversity–ecosystem carbon storage relationship in rangelands across topographic and climatic gradients
000125779 260__ $$c2023
000125779 5060_ $$aAccess copy available to the general public$$fUnrestricted
000125779 5203_ $$aPlant diversity supports multiple ecosystem functions, including carbon sequestration. Recent shifts in plant diversity in rangelands due to increased grazing pressure and climate changes have the potential to impact the sequestration of carbon in arid to semi-humid regions worldwide. However, plant diversity, grazing intensity and carbon storage are also influenced by environmental factors such as nutrient availability, climate and topography. The complexity of these interactions limits our ability to fully assess the impacts of grazing on biodiversity–ecosystem function (BEF) relationships. We assessed how grazing intensity modifies BEF relationships by determining the links between plant diversity and ecosystem carbon stocks (plant and soil carbon) across broad environmental gradients and different plant growth forms. To achieve this, we surveyed 1493 quadrats across 10 rangelands, covering an area of 23,756 ha in northern Iran. We show that above-ground carbon stocks increased with plant diversity across topographic, climatic and soil fertility gradients. The relationship between above-ground carbon stocks and plant diversity was strongest for forbs, followed by shrubs and grasses. Soil carbon stocks increased strongly with soil fertility across sites, but aridity, grazing, plant diversity and topography were also important in explaining variation in soil carbon stocks. Importantly, above-ground and soil carbon stocks declined at high grazing intensity, and grazing modified the relationship between plant diversity and carbon stocks regardless of differences in abiotic conditions across sites. Our study demonstrates that relationships between plant diversity and ecosystem carbon stocks persist across gradients of aridity, topography and soil fertility, but the relationships are modified by grazing intensity. Our findings suggest that potential losses in plant diversity under grazing intensification could reduce ecosystem carbon storage across wide areas of arid to semi-humid rangelands. We discuss the potential mechanisms underpinning rangeland BEF relationships to stimulate future research.
000125779 536__ $$9info:eu-repo/grantAgreement/ES/MCIU/RYC2018-025483-I$$9info:eu-repo/grantAgreement/ES/MICINN/PID2020-115813RA-I00
000125779 540__ $$9info:eu-repo/semantics/openAccess$$aAll rights reserved$$uhttp://www.europeana.eu/rights/rr-f/
000125779 590__ $$a4.6$$b2023
000125779 592__ $$a1.877$$b2023
000125779 591__ $$aECOLOGY$$b27 / 197 = 0.137$$c2023$$dQ1$$eT1
000125779 593__ $$aEcology, Evolution, Behavior and Systematics$$c2023$$dQ1
000125779 594__ $$a9.0$$b2023
000125779 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/publishedVersion
000125779 700__ $$aSayer, E. J.
000125779 700__ $$aYuan, Z.
000125779 700__ $$aSaiz, H.$$uUniversidad de Zaragoza
000125779 700__ $$aDelgado-Baquerizo, M.
000125779 700__ $$aSadeghinia, M.
000125779 700__ $$aAshouri, P.
000125779 700__ $$aGhafari, S.
000125779 700__ $$aKaboli, H.
000125779 700__ $$aKargar, M.
000125779 700__ $$aSeabloom, E. W.
000125779 700__ $$aAli, A.
000125779 7102_ $$15011$$2220$$aUniversidad de Zaragoza$$bDpto. CC.Agrar.y Medio Natural$$cÁrea Ecología
000125779 773__ $$g37, 3 (2023), 703-718$$pFunct. ecol.$$tFUNCTIONAL ECOLOGY$$x0269-8463
000125779 8564_ $$s3709560$$uhttps://zaguan.unizar.es/record/125779/files/texto_completo.pdf$$yVersión publicada
000125779 8564_ $$s2356210$$uhttps://zaguan.unizar.es/record/125779/files/texto_completo.jpg?subformat=icon$$xicon$$yVersión publicada
000125779 909CO $$ooai:zaguan.unizar.es:125779$$particulos$$pdriver
000125779 951__ $$a2024-11-22-12:00:32
000125779 980__ $$aARTICLE