Arid
DOI10.1016/j.jaridenv.2019.104043
Climate - grazing interactions in Mongolian rangelands: Effects of grazing change along a large-scale environmental gradient
Ahlborn, Julian1,2,3; von Wehrden, Henrik2; Lang, Birgit4; Roemermann, Christine4,5; Oyunbileg, Munkhzul7; Oyuntsetseg, Batlai8; Wesche, Karsten3,5,6
Corresponding AuthorAhlborn, Julian
JournalJOURNAL OF ARID ENVIRONMENTS
ISSN0140-1963
EISSN1095-922X
Year Published2020
Volume173
Abstract in English

There are still major gaps in our understanding of rangeland degradation. Assessing the interactions between climate and grazing effects could help to explain what unifies and separates rangelands, and may therefore promote a more sustainable management of livestock. We studied 15 local land-use transects along a 600 km long climatic gradient in Central Asia to test the hypothesis that grazing effects differ between relatively moist equilibrium (EQ) and dry non-equilibrium (NEQ) rangeland systems. We analysed plant community composition, species diversity and indicator species for different grazing intensities. We found pronounced differences in community composition along our climate gradient, revealed climate-related grazing effects on richness, responses of Simpson's diversity, and also found different grazing indicator species along the larger transect. We conclude that in NEQ rangelands, grazing effects are limited to sacrifice zones and environmental filtering dominates vegetation composition. With increasing precipitation, resource availability gains in importance leading to more complex communities dominated by grazing-tolerant species under EQ dynamics. Hints for xerophytization in the transition zone between EQ and NEQ highlight the vulnerability of rangelands that temporally shift from one state to the other. This calls for extra care in the management of livestock numbers in these transition areas.


Keyword in EnglishGradients Grazing DCA Species diversity Indicator species analysis Non-equilibrium rangelands Xerophytization
SubtypeArticle
Language英语
CountryGermany ; Mongolia
Indexed BySCI-E
WOS IDWOS:000498317600008
WOS KeywordINTERMEDIATE DISTURBANCE HYPOTHESIS ; LAND-USE ; DIVERSITY ; DESERTIFICATION ; DEGRADATION ; VEGETATION ; DYNAMICS ; NONEQUILIBRIUM ; PRECIPITATION ; GRASSLANDS
WOS SubjectEcology ; Environmental Sciences
WOS Research AreaEnvironmental Sciences & Ecology
EI Keywords2020-02-01
Document Type期刊论文
Identifierhttp://119.78.100.177/qdio/handle/2XILL650/312707
Affiliation1.Leibniz Ctr Agr Landscape Res, Sustainable Grassla, Gutshof 7, D-14641 Paulinenaue, Germany;
2.Leuphana Univ Lueneburg, Inst Ecol, Fac Sustainabil, Scharnhorststr 1, D-21335 Luneburg, Germany;
3.Senckenberg Museum Nat Hist, POB 300 154, D-02806 Goerlitz, Germany;
4.Friedrich Schiller Univ, Inst Ecol & Evolut, Philosophenweg 16, D-07743 Jena, Germany;
5.German Ctr Integrat Biodivers Res iDiv, Halle, Germany;
6.Tech Univ Dresden, Int Inst Zittau, Markt 23, D-02763 Zittau, Germany;
7.Mongolian Acad Sci, Inst Gen & Expt Biol, Ulaanbaatar 3600, Mongolia;
8.Natl Univ Mongolia, Sch Biol & Biotechnol, Bot Dept, Ulaanbaatar 14200, Mongolia
Recommended Citation
GB/T 7714
Ahlborn, Julian,von Wehrden, Henrik,Lang, Birgit,et al. Climate - grazing interactions in Mongolian rangelands: Effects of grazing change along a large-scale environmental gradient[J],2020,173.
APA Ahlborn, Julian.,von Wehrden, Henrik.,Lang, Birgit.,Roemermann, Christine.,Oyunbileg, Munkhzul.,...&Wesche, Karsten.(2020).Climate - grazing interactions in Mongolian rangelands: Effects of grazing change along a large-scale environmental gradient.JOURNAL OF ARID ENVIRONMENTS,173.
MLA Ahlborn, Julian,et al."Climate - grazing interactions in Mongolian rangelands: Effects of grazing change along a large-scale environmental gradient".JOURNAL OF ARID ENVIRONMENTS 173(2020).
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