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- Milchunas, Daniel G., et al. Show all 3 Authors
- Journal of vegetation science 2005 v.16 no.1 pp. 85-92
- Opuntia polyacantha; cacti and succulents; cattle; cladodes; flowering; grazing; grazing intensity; herbivores; landscapes; models; pastures; plant communities; steppes; Great Plains region; North America
- ... Question: Which factors influence the effectiveness of biotic refuges for harbouring grazing-sensitive species in pastures with a long history of grazing by large herbivores? Previous research showed that spiny clumps of the cactus Opuntia polyacantha provided refuges from cattle grazing for plants and for inflorescence production on short-grass steppe. In this paper, seven factors that may have a ...