不同经济水平牧户草场植被特征比较

doi:10.7522/j.issn.1000-694X.2013.00147

摘要/Abstract

摘要：

以内蒙古荒漠草原家庭牧场为研究尺度，比较分析了不同经济水平牧户草场的植物群落特征，结果表明：主要植物种群的高度、盖度、密度、地上生物量、重要值及群落多样性指数均呈现出不同程度的趋同性。从社会学角度分析表明，牧区牧户的经济收入与饲养牲畜头数呈高度正相关。不同经济水平牧户草畜平衡的调整和适应能力不同，低经济水平牧户一般牲畜头数少，草场相对可使用面积大，经营意识薄弱，草场经常被有意或无意占用；中等经济水平牧户扩大饲养规模的愿望最为强烈，并积极通过围封、租借草场等方式来保护自家草场和扩大牲畜数量；高经济水平牧户则普遍采取常年租借草场、走场、购买饲草料等措施，减缓对自己草场放牧压力，同时保持畜饲养规模的维持和扩大。牧户存在调整适应行为，并会基于自己的“草畜平衡标准”，根据经济条件、草场面积、牲畜数量和对草场状况、放牧超载及效益的认知，适时通过草场流转和输入外部资源等方式，转移放牧压力，致使不同牧户草场生态状况趋于一致。

关键词: 荒漠草原, 经济水平, 牧户, 草畜平衡, 生产行为决策

Abstract:

At the household scale, we analyzed the vegetation characteristics change of herders pastures at different economic levels in desert steppe. The results showed that all of the indicators showed different degrees of homogeneity. The reasons may be that the herders' economic incomes are highly positively correlated with the number of livestock they own, and the herders of different economic levels have different adaptability to adjust the balance between animals and grass: the herders of low economic levels, mostly of whom are poor, generally have relatively lager areas of rangelands compared with less livestock, and their rangelands are often occupied intentionally or unintentionally with little payment; The herders of middle economic levels have a most strong desire to breed more livestock, who often protect their own pastures by enclosure, and expand the number of livestock through leasing other herders rangelands; The herders of high economic levels choose to lease rangelands, conduct "otor" and buy forage all the year to reduce the grazing pressure of their own pastures, and at the same time, maintain or even increase the number of livestock they own. Therefore, the paper indicated that there exists the adaptive behavior in herders' production behavior, and according to the stocking rates they consider necessary, the herders often shift their rangelands' gazing pressure by leasing pasture or buying forage. All these long-term behaviors result in different herders' pastures vegetation characteristics' homogeneity at different degrees.

Key words: desert steppe, economic levels, herders, balance between animals and grass, production decision behavior

中图分类号:

Q948.11

尹燕亭1,2, 侯向阳2, 运向军2, 丁勇2, 李西良2. 不同经济水平牧户草场植被特征比较[J]. 中国沙漠, 2013, 33(4): 1041-1047.

YIN Yan-ting1,2, HOU Xiang-yang2, YUN Xiang-jun2, DING Yong2, LI Xi-liang2. Vegetation Characteristics Comparison of Herders’ Pastures at Different Economic Levels in Desert Steppe, Inner Mongolia[J]. JOURNAL OF DESERT RESEARCH, 2013, 33(4): 1041-1047.

参考文献

[1]Oldeman L R,Hakkeling R T A,Sombroek W G.World Map of the Status of Human-induced Soil Degradation:An Explanatory Note[M].Wageningen,Netherlands:ISRIC and PUNE,1991.

[2]刘钟龄,王炜,梁存柱,等.内蒙古草原退化与恢复演替机理的探讨[J].干旱区资源与环境,2002,16(1):84-91.

[3]仝川,郗风江,杨景荣,等.锡林河中游草原植被退化遥感监测及合理放牧强度的确定[J].草业学报,2003,12(4):78-83.

[4]李金花,潘浩文,王刚.内蒙古典型草原退化原因的初探[J].草业科学,2004,21(5):49-51.

[5]李素英,李晓兵,王丹丹.基于马尔柯夫模型的内蒙古锡林浩特典型草原退化格局预测[J].生态学杂志,2007,26(1):78-82.

[6]陈云云,谢应忠.退化草地恢复过程中植被与环境动态特征研究[J].宁夏农学院学报,2004,25(1):21-25.

[7]李永宏,汪诗平.放牧对草原植物的影响[J].中国草地,1999,21(3):11-19.

[8]Connell J H.Diversity in tropical rain forests and coral reefs[J].Science,1978,199(4335):1302-1310.

[9]李永宏.放牧影响下羊草草原和大短花针茅草原植物多样性的变化[J].植物学报,1993,35(11):877-884.

[10]Collins S L.Interaction of disturbances in tallgrass prairie:a field experiment[J].Ecology,1987,68:1243-1250.

[11]Tilman D,Downing J A.Biodiversity and stability in grasslands[J].Nature,1994,367:363-365.

[12]Tilman D,Wedin D,Knops J.Productivity and sustainability influenced by biodiversity in grassland ecosystems[J].Nature,1996,379:718-720.

[13]Tilman D,Reich P B,Knops J,et al.Diversity and productivity in a long-term grassland experiment[J].Science,2001,294:843-845.

[14]王德利,祝廷成.不同种群密度下羊草地上部分生态场、生态势、场梯度及其季节性变化规律研究[J].生态学报,1996,6(2):121-127.

[15]Zhao H L,Zhao X Y,Zhou R L,et al.Desertification processes due to heavy grazing in sandy rangeland,Inner Mongolia[J].Journal of Arid Environments,2005,62:309-319.

[16]陈秋红.草原生态敏感地区牧户畜牧业生产经营行为及影响因素分析[J].农业技术经济,2010,(11):65-75.

[17]赵雪雁,巴建军.高寒牧区牧民生产经营行为研究——以甘南牧区为例[J].地域研究与开发,2009,4:15-20.

[18]Macdonald K A,Beca D,Penno J W,et al.Short communication:effect of stocking rate on the economics of pasture-based dairy farms[J].Journal of Dairy Science,2011,94(5):2581-2586.

[19]Victor S,Hua L M,Li G L,et al.Redesigning livestock systems to improve household income and reduce stocking rates in Chinas western grasslands[M]//Victor S,Hua L M,Li G L,et al.Towards Sustainable Use of Rangelands in North-west China.Dordrecht:Springer,2010:325-340.

[20]Macdonald K A,Pennol J W,Lancaster J A S,et al.Effect of stocking rate on pasture production,milk production,and reproduction of dairy cows in pasture-based systems[J].Journal of Dairy Science,2008,91(5):2151-2163.

[21]周圣坤,刘娟.草场退化：牧民认知与对策的个案研究[J].农业经济,2008,9:24-26.

[22]韩国栋,焦树英,毕力格,等.短花针茅草原不同载畜率对植物多样性和草地生产力的影响[J].生态学报,2007,27(1):182-188.

[23]卫智军,闫瑞瑞,运向军,等.放牧制度下荒漠草原主要植物生物量及能量分配研究[J].中国沙漠,2011,31(5):1124-1130.

[24]周立华,朱艳玲,黄玉邦.禁牧政策对北方农牧交错区草地沙漠化逆转过程影响的定量评价[J].中国沙漠,2012,32(2):308-313.

[25]张锐,刘普幸,张克新.新疆草地气候生产潜力变化特征及对气候响应的预测研究[J].中国沙漠,2012,32(1):181-187.

[26]周纪伦,郑师,杨持.植物种群生态学[M].北京:高等教育出版社,1992:239-242.

[27]Haynes R J.The decomposition process:mineralization,immobilization,humus formation and degradation[M]//Haynes R J.Mineral Nitrogen in the Plant-soil System.Oxford:Academic Press,1986:52-126.

[28]李永宏.内蒙古锡林河流域羊草草原和大针茅草原在放牧影响下的分异和趋同[J].植物生态学与地植物学学报,1988,12(3):189-196.

[29]李永宏.放牧空间梯度上和恢复演替时间梯度上羊草草原的群落特征及其对应性[M]//中国科学院草原生态系统定位站.草原生态系统研究.北京:科学出版社,1992:1-7.

[30]李永宏.草原生态系统管理与可持续发展——内蒙古草原草场放牧退化模式研究及退化监测专家系统建议[J].植物学通报,1993,10(增刊):42-51.

[31]李博.中国北方草地退化及其防治对策[J].中国农业科学,1997,30(6):1-9.

[32]王炜,梁存柱,刘钟龄,等.草原群落退化与恢复演替中的植物个体行为分析[J].植物生态学报,2000,24(3):268-274.

[33]王炜,梁存柱,刘钟龄,等.羊草+大针茅草原群落退化演替机理的研究[J].植物生态学报,2000,24(4):468-472.

[34]汪诗平,王艳芬,陈佐忠.放牧生态系统管理[M].北京:科学出版社,2003.

[35]任海彦,郑淑霞,白永飞.放牧对内蒙古锡林河流域草地群落植物茎叶生物量资源分配的影响[J].植物生态学报,2009,33(6):1065-1074.

[36]Zhao W,Chen S P,Han X G,et al.Effects of long-term grazing on the morphological and functional traits of Leymus chinensis in the semiarid grassland of Inner Mongolia,China[J].Ecological Research,2009,24:99-108.

[37]王炜,刘钟龄,郝敦元,等.内蒙古典型草原退化群落恢复演替的研究Ⅰ.退化草原的基本特征与恢复演替规律[J].植物生态学报,1996,20(5):449-459.

[38]王炜,刘钟龄,郝敦元,等.内蒙古典型草原退化群落恢复演替的研究Ⅱ.恢复演替时间进程的分析[J].植物生态学报,1996,20(5):460-471.

[39]汪诗平,李永宏.内蒙古典型草原退化机理的研究[J].应用生态学报,1999,10:437-441.

[40]汪诗平,王艳芬.不同放牧率下糙隐子草种群补偿性生长的研究[J].植物学报,2001,43(4):413-418.

[41]邢旗,双全,金玉,等.草甸草原不同放牧制度群落物质动态及植物补偿性生长研究[J].中国草地,2004,26(5):26-31.

[42]刘艳,卫智军,杨静,等.短花针茅草原不同放牧制度的植物补偿性生长[J].中国草地,2004,26(3):18-23.

[43]马红彬,谢应忠.不同放牧方式下荒漠草原植物补偿性生长研究[J].西北农业学报,2008,17(1):211-215.

[44]达林太,娜仁高娃.对内蒙古草原畜牧业过牧理论和制度的反思[J].北方经济,2011,6:32-35.

[45]欧阳玲.科尔沁沙地农牧交错区典型村域人地关系协调度评价——以内蒙古自治区敖汉旗母子山村为例[J].中国沙漠,2011,31(5):1278-1285.