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Large scale patterns of forage yield and quality across Chinese grasslands
Shi Yue1,2; Ma YinLei1,2; Ma WenHong4; Liang CunZhu4; Zhao XinQuan3; Fang JingYun1,2; He JinSheng1,2,3; He, JS (reprint author), Peking Univ, Dept Ecol, Coll Urban & Environm Sci, Beijing 100871, Peoples R China.
2013-04-01
Source PublicationCHINESE SCIENCE BULLETIN
ISSN1001-6538
Volume58Issue:10Pages:1187-1199
SubtypeArticle
AbstractUnderstanding the patterns of forage quantity and quality and investigating the factors influencing these patterns are essential for the development of animal husbandry. However, there is very little field evidence focused on these issues at a large spatial scale. In the current study, we analyzed forage quantity and quality at 177 sites distributed in all the major grassland types across China, and explored the relationship between forage quantity and quality based on consistent sampling protocols. We also investigated potential factors influencing forage quality patterns across China. Our study indicates the Tibetan grasslands had both higher quantity and quality forage than the Inner Mongolian grasslands, and alpine meadow had the best quantity and quality forage because of the meadow's high productivity and the crude protein and nitrogen free extract content of the meadow forage. For the main vegetation formations, Kobresia tibetica meadows and Achnatherum splendens steppes had the highest quantity, while Kobresia pygmaea meadows and Kobresia humilis meadows had the best quality. We also found that although environmental factors, such as temperature and soil fertility, could affect physiological processes and so influence forage quality, the large scale patterns of change were mainly a result of the differences in vegetation types. Finally, we reported a negative relationship between forage quantity and quality: higher forage quantity means more crude fiber but less ether extract and crude protein. These findings improve our understanding on the spatial patterns of forage quantity and quality, and provide solid evidence related to the future development of animal husbandry.; Understanding the patterns of forage quantity and quality and investigating the factors influencing these patterns are essential for the development of animal husbandry. However, there is very little field evidence focused on these issues at a large spatial scale. In the current study, we analyzed forage quantity and quality at 177 sites distributed in all the major grassland types across China, and explored the relationship between forage quantity and quality based on consistent sampling protocols. We also investigated potential factors influencing forage quality patterns across China. Our study indicates the Tibetan grasslands had both higher quantity and quality forage than the Inner Mongolian grasslands, and alpine meadow had the best quantity and quality forage because of the meadow's high productivity and the crude protein and nitrogen free extract content of the meadow forage. For the main vegetation formations, Kobresia tibetica meadows and Achnatherum splendens steppes had the highest quantity, while Kobresia pygmaea meadows and Kobresia humilis meadows had the best quality. We also found that although environmental factors, such as temperature and soil fertility, could affect physiological processes and so influence forage quality, the large scale patterns of change were mainly a result of the differences in vegetation types. Finally, we reported a negative relationship between forage quantity and quality: higher forage quantity means more crude fiber but less ether extract and crude protein. These findings improve our understanding on the spatial patterns of forage quantity and quality, and provide solid evidence related to the future development of animal husbandry.
KeywordAlpine Grassland Development Of Animal Husbandry Grassland Quality Temperate Grassland
WOS HeadingsScience & Technology
WOS KeywordTIBETAN PLATEAU ; PHOSPHORUS STOICHIOMETRY ; CARBON-DIOXIDE ; LEAF NITROGEN ; PLANT ; PRODUCTIVITY ; BIOMASS ; CLIMATE ; GRASSES ; GROWTH
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000316954900015
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://210.75.249.4/handle/363003/3951
Collection中国科学院西北高原生物研究所
Corresponding AuthorHe, JS (reprint author), Peking Univ, Dept Ecol, Coll Urban & Environm Sci, Beijing 100871, Peoples R China.
Affiliation1.Peking Univ, Dept Ecol, Coll Urban & Environm Sci, Beijing 100871, Peoples R China
2.Peking Univ, Key Lab Earth Surface Proc, Minist Educ, Beijing 100871, Peoples R China
3.Chinese Acad Sci, Key Lab Adaptat & Evolut Plateau Biota, Northwest Inst Plateau Biol, Xining 810008, Peoples R China
4.Inner Mongolia Univ, Dept Ecol & Environm Sci, Hohhot 010021, Peoples R China
Recommended Citation
GB/T 7714
Shi Yue,Ma YinLei,Ma WenHong,et al. Large scale patterns of forage yield and quality across Chinese grasslands[J]. CHINESE SCIENCE BULLETIN,2013,58(10):1187-1199.
APA Shi Yue.,Ma YinLei.,Ma WenHong.,Liang CunZhu.,Zhao XinQuan.,...&He, JS .(2013).Large scale patterns of forage yield and quality across Chinese grasslands.CHINESE SCIENCE BULLETIN,58(10),1187-1199.
MLA Shi Yue,et al."Large scale patterns of forage yield and quality across Chinese grasslands".CHINESE SCIENCE BULLETIN 58.10(2013):1187-1199.
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