This dissertation contributes to the debate on Common Pool Natural Resources (CPNRs) through the analysis of a specific case study: rangeland in southwest agro-pastoral Niger. The management of CPNRs is the subject of a lively debate pertaining to the property rights regime that…
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Land use, climate, and landscape context jointly determine biotic site potential and the occurrence of vegetation state transitions in terrestrial ecosystems. State-and-transition models (STMs) are used to clarify the roles of drivers and ecological sites (climoedaphic land unit…
Short-horned grasshoppers (Orthoptera: Acrididae) were studied in the field as well as in laboratory for their distribution, identification, preferred food plants and feeding damage. These grasshoppers compete for forage with cattle. Examination of the 20 most common grasshopper…