The Effects of Grazing Systems on Plant Communities in Steppe Lands—A Case Study from Mongolia’s Pastoralists and Inner Mongolian Settlement Areas

Yintai Na, Saixiyalt Bao, Kanji Hashimoto, Christopher McCarthy and Buho Hoshino
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Yintai Na: Graduate School of Dairy Sciences, Rakuno Gakuen University, Ebetsu, Hokkaido 069-8501, Japan
Saixiyalt Bao: College of Geographical Sciences, Inner Mongolia Normal University, No. 81, Zhao Wuda Road, Hohhot 010022, Inner Mongolia, China
Kanji Hashimoto: Graduate School of Dairy Sciences, Rakuno Gakuen University, Ebetsu, Hokkaido 069-8501, Japan
Christopher McCarthy: Graduate School of Global Environmental Studies, Kyoto University, Kyoto 606-8501, Japan
Buho Hoshino: Graduate School of Dairy Sciences, Rakuno Gakuen University, Ebetsu, Hokkaido 069-8501, Japan

Land, 2018, vol. 7, issue 1, 1-10

Abstract: This study examines the effects of different grazing systems in two neighboring regions with similar biotic and abiotic factors, Nalan Soum in Mongolia and Naren Soum in Inner Mongolia, China. We employed the quadrat sampling method and remote sensing to set three perpendicular lines that dissect the boundary between the two countries, and seven lines parallel to the boundary to form a rectangular shape as a means to compare plant community response to different grazing systems under natural conditions. NDVI data is included in discussing the causes of Mongolian grassland degradation. The results of quadrat sampling and NDVI analysis show that rotational grazing has greater values for the quadrat’s average height, total coverage, total individual density, and total aboveground biomass ( p < 0.05), but has lower species richness than continuous grazing ( p > 0.05). The NVDI values of rotational grazing in 1989, 2005, 2011, and 2016 were higher those of continuous grazing, and significant difference was shown in 2011 and 2016; the NDVI value of continuous grazing in 1993 was higher than that of rotational grazing, but did not show a significant difference. This indicates that different grazing approaches affect steppe ecological systems in different ways, despite their similar biotic and abiotic factors, as well as grazing intensity. Nonetheless, we find rotational grazing to be better for ecosystem vitality than continuous grazing, to some degree.

Keywords: rotational grazing; continuous grazing; grassland degradation; case study of nomadic and settlement grazing system; remote sensing; Mongolian grassland (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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