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天然草原放牧干扰下植被地上生物量动态变化——以甘肃省夏河县山地草甸为例
引用本文:包海明,贠旭疆,张德罡,刘爱军,王炳煜. 天然草原放牧干扰下植被地上生物量动态变化——以甘肃省夏河县山地草甸为例[J]. 草原与草坪, 2011, 31(4): 78-81
作者姓名:包海明  贠旭疆  张德罡  刘爱军  王炳煜
作者单位:1. 甘肃农业大学草业学院/草业生态系统教育部重点实验室/中-美草地畜牧业可持续发展研究中心,甘肃兰州,730070
2. 内蒙古农牧业科学院,内蒙古呼和浩特,010051
3. 甘肃省草原技术推广总站,甘肃兰州,730010
基金项目:甘肃甘南草原草畜平衡监测示范研究项目资助
摘    要:模拟甘肃省夏河山地草甸草地家畜利用和放牧方式,在天然草原暖季放牧地进行可控的放牧研究,对无放牧、适度放牧压状态下的植被动态规律、采食量动态变化及植物补偿性生长等动态变化进行研究。研究表明,在暖季夏河山地草甸有、无放牧干扰的草地植被生长都呈现单峰最高生物量;平均总采食量呈现负指数增长模型,各拟合模型的实测值与拟合值之间均存在显著相关性。

关 键 词:放牧率  优化决策  地上生物量

Dynamics response of aboveground biomass of natural grassland vegetation to grazing--A case study in mountain meadow area of Xiahe County,Gansu
BAO Hai-ming,YUN Xu-jiang,,ZHANG De-gang,LIU Ai-jun,WANG Bing-yu. Dynamics response of aboveground biomass of natural grassland vegetation to grazing--A case study in mountain meadow area of Xiahe County,Gansu[J]. Grassland and Turf, 2011, 31(4): 78-81
Authors:BAO Hai-ming  YUN Xu-jiang    ZHANG De-gang  LIU Ai-jun  WANG Bing-yu
Affiliation:BAO Hai-ming1,YUN Xu-jiang1,2,ZHANG De-gang1,LIU Ai-jun3,WANG Bing-yu4(1.College of Pratacultural Science,Gansu Agricultural University,Lanzhou 730070,China,2.Ministry of Agriculture,National Animal Husbandry Service,Beijing 100025,3.Inner Mongolian Academy for Agriculture and Animal Husbandry Sciences,Hohhot 010058,4.Grassland Technique Extension Service of Gansu Province,Lanzhou 730010,China)
Abstract:The stimulated grazing method was used to study the vegetation variation,intake variation and plant response of mountain meadow in Xiahe County,Gansu Province.The result indicated that the vegetation biomass showed a single-peak curve with or without grazing stress.The total average intake showed an inverse exponential model.The stimulated values were significantly correlated with the real values.
Keywords:Grazing intensity  optimization strategy  aboveground biomass  
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