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Rangeland Management During Drought: Assessing Social-Ecological And Cognitive Indicators Of Ranchers’ Adaptive Capacity, Tonya Haigh
School of Natural Resources: Dissertations, Theses, and Student Research
Rangeland managers face challenges to adapt to climate extremes, and research is needed on how to support their adaptive capacity for managing climate risk. This study evaluates adaptive capacity using an integrated vulnerability and resilience conceptual model and three cognitive behavioral models. Overarching research questions focus on the relationship between protective action and impacts and the best predictors of taking action in response to drought. Three studies address these questions, using quantitative data collected from two post-drought surveys of rangeland-based livestock managers in the Northern Great Plains of the U.S. The studies find evidence of the roles of social-ecological sources …
Drought Impacts Assessment In Brazil - A Remote Sensing Approach, Denis Mariano
Drought Impacts Assessment In Brazil - A Remote Sensing Approach, Denis Mariano
School of Natural Resources: Dissertations, Theses, and Student Research
Climate extremes are becoming more frequent in Brazil; studies project an increase in drought occurrences in many regions of the country. In the south, drought events lead to crop yield losses affecting the value chain and, therefore, the local economy. In the northeast, extended periods of drought lead to potential land degradation, affecting the livelihood and hindering local development. In the southern Amazon, an area that experienced intense land use change (LUC) in the last, the impacts are even more complex, ranging from crop yield loss and forest resilience loss, affecting ecosystem health and putting a threat on the native …