Sheep performance and tree growth on a grazed Sitka spruce plantation, Scott For, vol.40, issue.4, pp.259-263, 1986. ,
DOI : 10.2307/2401798
Vegetation change following exclusion of grazing animals in depleted grassland, Central Otago, New Zealand, Journal of Vegetation Science, vol.23, issue.5, pp.615-626, 1995. ,
DOI : 10.1080/0028825X.1965.10429019
An international terminology for grazing lands and grazing animals, Grass and Forage Science, vol.12, issue.1, pp.2-28, 2011. ,
DOI : 10.1016/0301-6226(78)90029-5