Search Results - "Girvetz, Evan H."

Climatic Changes Lead to Declining Winter Chill for Fruit and Nut Trees in California during 1950–2099 by Luedeling, Eike, Zhang, Minghua, Girvetz, Evan H

“…Background: Winter chill is one of the defining characteristics of a location's suitability for the production of many tree crops. We mapped and investigated…”
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Climate change affects winter chill for temperate fruit and nut trees by Luedeling, Eike, Girvetz, Evan H, Semenov, Mikhail A, Brown, Patrick H

“…Temperate fruit and nut trees require adequate winter chill to produce economically viable yields. Global warming has the potential to reduce available winter…”
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Two challenges for U.S. irrigation due to climate change: increasing irrigated area in wet states and increasing irrigation rates in dry states by McDonald, Robert I, Girvetz, Evan H

“…Agricultural irrigation practices will likely be affected by climate change. In this paper, we use a statistical model relating observed water use by U.S…”
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Applied climate-change analysis: the climate wizard tool by Girvetz, Evan H, Zganjar, Chris, Raber, George T, Maurer, Edwin P, Kareiva, Peter, Lawler, Joshua J

“…Although the message of "global climate change" is catalyzing international action, it is local and regional changes that directly affect people and ecosystems…”
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Factors constraining the adoption of soil organic carbon enhancing technologies among small-scale farmers in Ethiopia by Nguru, Wilson M., Gachene, Charles KK, Onyango, Cecilia M., Ng'ang'a, Stanley K., Girvetz, Evan H.

“…Declining soil fertility is one of the major causes of food insecurity and high levels of poverty, both of which tend to hamper economic development in…”
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Removing erosion control projects increases bank swallow ( Riparia riparia) population viability modeled along the Sacramento River, California, USA by Girvetz, Evan H.

“…Spatially-explicit population viability analysis (PVA) is a powerful method for modeling the extinction risk of populations that show variation over space and…”
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Quantifying process-based mitigation strategies in historical context: separating multiple cumulative effects on river meander migration by Fremier, Alexander K, Girvetz, Evan H, Greco, Steven E, Larsen, Eric W

“…Environmental legislation in the US (i.e. NEPA) requires defining baseline conditions on current rather than historical ecosystem conditions. For ecosystems…”
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Dissecting indices of aridity for assessing the impacts of global climate change by Girvetz, Evan H, Zganjar, Chris

“…There is great interest in understanding how climate change will impact aridity through the interaction of precipitation changes with rising temperatures. The…”
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Projecting Water Withdrawal and Supply for Future Decades in the U.S. under Climate Change Scenarios by Roy, Sujoy B, Chen, Limin, Girvetz, Evan H, Maurer, Edwin P, Mills, William B, Grieb, Thomas M

“…The sustainability of water resources in future decades is likely to be affected by increases in water demand due to population growth, increases in power…”
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Sensitivity of winter chill models for fruit and nut trees to climatic changes expected in California's Central Valley by Luedeling, Eike, Zhang, Minghua, Luedeling, Volker, Girvetz, Evan H.

“…Many fruit and nut crops require cold temperatures in winter to break dormancy. Quantifying this chilling requirement and selecting appropriate cultivars for…”
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How Climate Change Affects Extremes in Maize and Wheat Yield in Two Cropping Regions by Ummenhofer, Caroline C., Xu, Hong, Twine, Tracy E., Girvetz, Evan H., McCarthy, Heather R., Chhetri, Netra, Nicholas, Kimberly A.

“…Downscaled climate model projections from phase 5 of the Coupled Model Intercomparison Project (CMIP5) were used to force a dynamic vegetation agricultural…”
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The Impact of Projected Climate Change Scenarios on Nitrogen Yield at a Regional Scale for the Contiguous United States by Alam, Md Jahangir, Goodall, Jonathan L., Bowes, Benjamin D., Girvetz, Evan H.

“…Improved understanding of the potential regional impacts of projected climatic changes on nitrogen yield is needed to inform water resources management…”
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Integration of landscape fragmentation analysis into regional planning: A statewide multi-scale case study from California, USA by Girvetz, Evan H., Thorne, James H., Berry, Alison M., Jaeger, Jochen A.G.

“…Landscape fragmentation due to urban development, transportation infrastructure, and agriculture poses a threat to environmental integrity. There is a need to…”
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Climate change effects on walnut pests in California by LUEDELING, EIKE, STEINMANN, KIMBERLY P, ZHANG, MINGHUA, BROWN, PATRICK H, GRANT, JOSEPH, GIRVETZ, EVAN H

“…Increasing temperatures are likely to impact ectothermic pests of fruits and nuts. This paper aims to assess changes to pest pressure in California's US$0.7…”
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How to define a patch: a spatial model for hierarchically delineating organism-specific habitat patches by Girvetz, Evan H, Greco, Steven E

“…Landscape analysis and delineation of habitat patches should take into account organism-specific behavioral and perceptual responses to landscape structure…”
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Survey data on factors that constrain the adoption of soil carbon enhancing technologies in Ethiopia by Nguru, Wilson M., Ng’ang’a, Stanley K., Gelaw, Fekadu, Kanyenji, George M., Girvetz, Evan H.

“…The data described in this paper were collected in two watersheds – Azuga-suba watershed in Angacha woreda (district) of Southern Nations, Nationalities and…”
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Bridging climate science to adaptation action in data sparse Tanzania by GIRVETZ, EVAN H., GRAY, ELIZABETH, TEAR, TIMOTHY H., BROWN, MATTHEW A.

“…In the face of an already changing climate, conservation practitioners and local communities face the major challenge of how to plan for a future climate. In…”
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A geospatial assessment on the distribution, condition, and vulnerability of Wyoming's wetlands by Copeland, Holly E., Tessman, Stephen A., Girvetz, Evan H., Roberts, Larry, Enquist, Carolyn, Orabona, Andrea, Patla, Susan, Kiesecker, Joseph

“…Wetlands serve critical functions including natural flood control and providing wildlife habitat, yet despite these values they remain highly threatened…”
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Multi-scale predictive habitat suitability modeling based on hierarchically delineated patches: an example for yellow-billed cuckoos nesting in riparian forests, California, USA by Girvetz, Evan H, Greco, Steven E

“…The discipline of landscape ecology recognizes the importance of measuring habitat suitability variables at spatial scales relevant to specific organisms. This…”
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Integration of Regional Mitigation Assessment and Conservation Planning by Thorne, James H., Huber, Patrick R., Girvetz, Evan H., Quinn, Jim, McCoy, Michael C.

“…Government agencies that develop infrastructure such as roads, waterworks, and energy delivery often impact natural ecosystems, but they also have unique…”
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