Hüseyin K F, Steven S S, Bilal S.The effect of long-term grazing exclosure on range plants in the central Anatolian Region of Turkey[J]. Environmental Management, 2007, 39:326-337.
Su Y Z, Li Y L, Zhao H L.Soil properties and their spatial pattern in a degraded sandy grassland under post-grazing restoration, Inner Mongolia, northern China[J]. Biogeochemistry, 2006, 79: 297-314.
Micchunas D G, Sala O E, Lauenroth W K.A generalized model of the effects of grazing by large herbivores on grassland community structure[J].American Naturalist, 1988, 132:11-23.
[19]
Agarwal M, Shukla A, Pal V N.Grazing of forested grassland and its conservation[J].Ecology Modelling, 1993, 69:57-62.
[20]
Bakir O.Management systems for in-situ conservation of plants[A].In: Zencirci J, Kaya Z, Anikster Y, et al. The Proceedings of International Symposium on In-situ Conservation of Plant Genetic Diversity[C]. Ankara, Turkey: Central Research Institute for Field Crops, 1998. 67-72.
[21]
Adler P B, Milchunas D G, Lauenroth W K, et al. Functional traits of graminoids in semiarid steppes: A test of grazing Histories[J].Applied Ecology, 2004, 41:653-663.
[22]
Katoh K, Takeuchi K, Jiang D, et al.Vegetation restoration by seasonal exclosure in the Kerqin Sandy Land, Inner Mongolia[J].Plant Ecology, 1998, 139: 133-144.