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The responses of individual species to environmental changes can be manifested at multiple levels that range from individual-level (i.e., behavioral responses) to population-level (i.e., demographic) impacts. Major environmental changes that ultimately result in population level impacts are often first detected as individual-level responses. For example, herbivores respond to limited forage availability during drought periods by increasing the duration of foraging periods and expanding home range areas to compensate for the reduction in forage. However, if the individual-level responses are not sufficient to compensate for reduced forage availability, reduced survival and reproductive rates may result. We studied...
Categories: Publication;
Types: Citation,
Report;
Tags: American pronghorn,
Drought,
Drought, Fire and Extreme Weather,
Mammals,
National CASC,
Severe droughts cause widespread tree mortality and decreased growth in forests across the globe. Forest managers are seeking strategies to increase forest resistance (minimizing negative impacts during the drought) and resilience (maximizing recovery rates following drought). Limited experimental evidence suggests that forests with particular structural characteristics have greater capacity to resist change and or recover ecosystem function in the face of drought. However, the applicability of these results to practical forest conservation and management remains unclear. This project utilized an existing network of eight long-term, operational-scale, forest management experiments from Arizona to Maine to examine...
Categories: Publication;
Types: Citation,
Report;
Tags: Data Visualization & Tools,
Drought,
Drought, Fire and Extreme Weather,
Forests,
Landscapes,
The USGS National Climate Adaptation Science Center (NCASC) is currently engaged in an Ecological Drought initiative, focused on understanding the impacts of drought on natural ecosystems across the country. This project supported the Ecological Drought initiative by creating an Intermountain West Drought Social Science Synthesis Working Group. The goal of this working group was to investigate human dimensions of ecological drought across the intermountain west from a comparative, regional perspective. Throughout the Intermountain West, there has been significant investment in understanding how social factors influence manager and citizen experiences of drought in particular locations. Yet there is still a gap in...
The responses of individual species to environmental changes can be manifested at multiple levels that range from individual-level (i.e., behavioral responses) to population-level (i.e., demographic) impacts. Major environmental changes that ultimately result in population level impacts are often first detected as individual-level responses. For example, herbivores respond to limited forage availability during drought periods by increasing the duration of foraging periods and expanding home range areas to compensate for the reduction in forage. However, if the individual-level responses are not sufficient to compensate for reduced forage availability, reduced survival and reproductive rates may result. We studied...
Categories: Publication;
Types: Citation,
Report;
Tags: American pronghorn,
Drought,
Drought, Fire and Extreme Weather,
Mammals,
National CASC,
Final Report: The Effects of Drought on Rio Grande Cutthroat Trout: The Role of Stream Intermittency
The responses of individual species to environmental changes can be manifested at multiple levels that range from individual-level (i.e., behavioral responses) to population-level (i.e., demographic) impacts. Major environmental changes that ultimately result in population level impacts are often first detected as individual-level responses. For example, herbivores respond to limited forage availability during drought periods by increasing the duration of foraging periods and expanding home range areas to compensate for the reduction in forage. However, if the individual-level responses are not sufficient to compensate for reduced forage availability, reduced survival and reproductive rates may result. We studied...
Categories: Publication;
Types: Citation,
Report;
Tags: American pronghorn,
Drought,
Drought, Fire and Extreme Weather,
Fish,
National CASC,
The responses of individual species to environmental changes can be manifested at multiple levels that range from individual-level (i.e., behavioral responses) to population-level (i.e., demographic) impacts. Major environmental changes that ultimately result in population level impacts are often first detected as individual-level responses. For example, herbivores respond to limited forage availability during drought periods by increasing the duration of foraging periods and expanding home range areas to compensate for the reduction in forage. However, if the individual-level responses are not sufficient to compensate for reduced forage availability, reduced survival and reproductive rates may result. We studied...
Categories: Publication;
Types: Citation,
Report;
Tags: American pronghorn,
Birds,
Drought,
Drought, Fire and Extreme Weather,
National CASC,
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