Free-ranging horses (Equus caballus) in North America are considered to be feral animals since they are descendents of non-native domestic horses introduced to the continent. We conducted a study in a southern California desert to understand how feral horse movements and horse feces impacted this arid ecosystem. We evaluated five parameters susceptible to horse trampling: soil strength, vegetation cover, percent of nonnative vegetation, plant species diversity, and macroinvertebrate abundance. We also tested whether or not plant cover and species diversity were affected by the presence of horse feces.
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Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/impacts-feral-horses-desert-environment
[2] http://admin.indiaenvironmentportal.org.in/category/author/stacey-d-ostermann-kelm
[3] http://admin.indiaenvironmentportal.org.in/category/author/edward-atwill
[4] http://admin.indiaenvironmentportal.org.in/category/author/esther-s-rubin-et-al
[5] http://admin.indiaenvironmentportal.org.in/category/journal/bmc-ecology
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ecosystems
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/deserts
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/soil-erosion
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/horses
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/flora
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/plant-biodiversity
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/california
