Grazing alters the relationships between species diversity and biomass during community succession in a semiarid grassland
文献类型：期刊论文
| 作者 | Zhang, Yonghong2; Jin, Baocheng3; Zhang, Xulong2; Wei, Huihui2; Chang, Qingqing4,5; Huang, Fuqiang2; Liu, Weihua4,5; Lv, Yan4,5; Xu, Qian4,5; Sun, Guojun1,2 |
| 刊名 | SCIENCE OF THE TOTAL ENVIRONMENT
 |
| 出版日期 | 2023-08-20 |
| 卷号 | 887页码:10 |
| 关键词 | Grazing Species diversity Aboveground biomass Competitive exclusion Succession |
| ISSN号 | 0048-9697 |
| DOI | 10.1016/j.scitotenv.2023.164155 |
| 通讯作者 | Sun, Guojun(sungj@lzu.edu.cn) ; Cheng, Hua(chenghua@htu.edu.cn) |
| 英文摘要 | The relationships between biodiversity and ecosystem functions (BEF) are crucial for ecosystem management. How-ever, little is known about how grazing affects BEF relationships in the context of ecological succession. Here, using a 5-year experiment in a semiarid grassland of the Loess Plateau, China, we mainly focused on how grazing affected the relationships between plant species diversity and aboveground biomass (AGB) and explored the underlying mech-anisms behind the relationships. In addition, we compared the plant dynamics of community composition and struc-ture under no-grazing and grazing treatments during succession. We found that the plant species diversity-AGB relationship shifted from a negative-linear pattern in no-grazing to a humped-back model in grazing during plant com-munity succession, suggesting that grazing could regulate dominant species and alter the availability of light resources to suppress competitive exclusion during succession. In addition, changes in annual plants over time played crucial roles in the BEF relationships. The increase in annual Salsola collina in this study, which also alters multiple mecha-nisms of plant interaction, had a significant effect on the negative-linear relationship both with and without grazing. On average, compared to no-grazing treatment, grazing significantly decreased the plant community density (39.53 %), cover (16.97 %), height (7.85 %), and AGB (9.35 %), but increased plant diversity, including species rich-ness and the Shannon-Wiener index, and especially dramatically enhanced the Shannon-Wiener index (ranging from 1.55 to 2.13). These results underline the close association between grazing and the dynamics of plant communities in semiarid grasslands during succession. In particular, our findings further reveal grazing-dependent relationships be-tween diversity and AGB, which have significant implications for the management and biodiversity conservation mea-sures of semiarid grassland ecosystems. |
| WOS关键词 | PLANT DIVERSITY ; LOESS PLATEAU ; PRODUCTIVITY RELATIONSHIPS ; DESERT STEPPE ; RICHNESS ; VEGETATION ; EXCLUSION ; IMPACT ; HETEROGENEITY ; AVAILABILITY |
| 资助项目 | National Natural Science Foundation of China[31700390] ; Henan Provincial Planning Of fi ce of Philosophy and Social Sciences[2022JC41] ; Natural Science Foundation of Gansu Province[22JR5RA428] |
| WOS研究方向 | Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:000998441800001 |
| 出版者 | ELSEVIER |
| 资助机构 | National Natural Science Foundation of China ; Henan Provincial Planning Of fi ce of Philosophy and Social Sciences ; Natural Science Foundation of Gansu Province |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/197559]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Sun, Guojun; Cheng, Hua |
| 作者单位 | 1.222 Tianshui South Rd, Lanzhou 730000, Gansu, Peoples R China 2.Lanzhou Univ, Coll Ecol, State Key Lab Grassland Agroecosystems, Lanzhou 730000, Gansu, Peoples R China 3.Guizhou Univ, Coll Anim Sci, Guiyang 550025, Peoples R China 4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China 5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 6.Henan Normal Univ, Sch Tourism, Xinxiang 453007, Peoples R China 7.46 Jianshe East Rd, Xinxiang 453007, Henan, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Yonghong,Jin, Baocheng,Zhang, Xulong,et al. Grazing alters the relationships between species diversity and biomass during community succession in a semiarid grassland[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2023,887:10. |
| APA | Zhang, Yonghong.,Jin, Baocheng.,Zhang, Xulong.,Wei, Huihui.,Chang, Qingqing.,...&Cheng, Hua.(2023).Grazing alters the relationships between species diversity and biomass during community succession in a semiarid grassland.SCIENCE OF THE TOTAL ENVIRONMENT,887,10. |
| MLA | Zhang, Yonghong,et al."Grazing alters the relationships between species diversity and biomass during community succession in a semiarid grassland".SCIENCE OF THE TOTAL ENVIRONMENT 887(2023):10. |
入库方式： OAI收割
来源：地理科学与资源研究所
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