Arid
DOI10.1002/ldr.4828
Assessing the response of rare and common plant species to human induced rangeland degradation at a landscape scale in western Iran
Faramarzi, Marzban; Isselstein, Johannes
通讯作者Faramarzi, M
来源期刊LAND DEGRADATION & DEVELOPMENT
ISSN1085-3278
EISSN1099-145X
出版年2023
卷号34期号:16页码:5042-5054
英文摘要Knowledge of plant species distribution and abundance at different landscape scales and management-induced degradation is essential for the conservation, planning, and enhancement of the biodiversity of rangelands. In this study, additive partitioning of species diversity based on contribution diversity was used to analyze the interaction of landscape scale and grazing intensity factor to better understand the distribution of rare and common species. A total of 64 units (quadrats) were sampled by using a nested hierarchical sampling design at three scales of two regions (semi-arid vs. Mediterranean), four sites, and four quadrats in both exclosure and grazing areas. The regional-scale species richness (gamma(s)(q)) was calculated by the sum of the quadrat (alpha(s)(q)) and site ( ss(s)(q)) scale contributions to the region. The calculated rank of as(q) indicated that an abundance of rare species for exclosures ( alpha < 0.05) and the Mediterranean area (alpha < 0.01) was significantly greater than for grazing and the arid area, respectively. The highly palatable plants significantly correlated (alpha< 0.01) with the contribution diversity components ( alpha/beta) in the exclosure areas but not in grazed areas. Furthermore, of the measured explanatory variables, the electrical conductivity (EC) of the soil was significantly negatively related to.s(q) which shows a sensitivity of rare species to the variable environmental conditions that are related to human influences interacting with soil and climatic conditions. The vegetation attributes of biomass and vegetation cover were significantly (alpha < 0.01) higher for managed exclosure sites than the grazed areas. The findings of this investigation demonstrate an increasing trend for rare species in managed and better environmental conditions. In conclusion, the protection and restoration of plant species diversity in semi-arid and Mediterranean grasslands in western Iran are possible through the application of sustainable management practices by decision-makers and managers.
英文关键词additive partitioning diversity environmental factor grazing intensity Mediterranean area semi-arid region species richness
类型Article
语种英语
收录类别SCI-E
WOS记录号WOS:001065807200001
WOS关键词ECOSYSTEM SERVICES ; BETA-DIVERSITY ; SLOPE ; FERTILIZATION ; HETEROGENEITY ; BIODIVERSITY ; VEGETATION ; GRASSLAND ; IMPACTS ; REGION
WOS类目Environmental Sciences ; Soil Science
WOS研究方向Environmental Sciences & Ecology ; Agriculture
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/397760
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Faramarzi, Marzban,Isselstein, Johannes. Assessing the response of rare and common plant species to human induced rangeland degradation at a landscape scale in western Iran[J],2023,34(16):5042-5054.
APA Faramarzi, Marzban,&Isselstein, Johannes.(2023).Assessing the response of rare and common plant species to human induced rangeland degradation at a landscape scale in western Iran.LAND DEGRADATION & DEVELOPMENT,34(16),5042-5054.
MLA Faramarzi, Marzban,et al."Assessing the response of rare and common plant species to human induced rangeland degradation at a landscape scale in western Iran".LAND DEGRADATION & DEVELOPMENT 34.16(2023):5042-5054.
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