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Filters: Categories: Publication (X) > Tags: {"type":"Organization"} (X) > partyWithName: Southwest CSC (X) > partyWithName: Mark W. Schwartz (X)

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Our objective was to quantitatively characterize the landscape of climate-relevant resource decisions in the southwestern United States. We worked with stakeholders to determine actual uses of climate-relevant information used in natural resource decisions. We used content analysis of federal register records of decisions and stakeholder consultative groups to develop a survey of decision makers querying the use of climate information in decisions. We sought to create a classification of decisions attributes, information needs, and decision processes that rely on climate science. We sought to engage stakeholder consultative groups to define mechanisms for best filtering, delivering and interpreting what has become...
The impacts of different emission levels and climate change conditions to landscape-scale natural vegetation could have large repercussions for ecosystem services and environmental health. We forecast the risk-reduction benefits to natural landscapes of lowering business-as-usual greenhouse gas emissions by comparing the extent and spatial patterns of climate exposure to dominant vegetation under current emissions trajectories (Representative Concentration Pathway, RCP8.5) and envisioned Paris Accord target emissions (RCP4.5). This comparison allows us to assess the ecosystem value of reaching targets to keep global temperature warming under 2°C. Using 350,719 km2 of natural lands in California, USA, and the mapped...
Abstract (from http://link.springer.com/article/10.1007%2Fs10584-015-1552-6): Understanding how predicted species responses to climate change are affected by advances in climate modeling is important for determining the frequency with which vulnerability assessments need to be updated. We used ecological niche models to compare predicted climatic habitat suitability for 132 species of reptiles and amphibians in California, USA under the previous and current generations of climate simulations from the Coupled Model Intercomparison Project (CMIP3 and CMIP5). We used data from seven global climate models for future (2014–2060) predictions under the following greenhouse gas emissions scenarios: SRES A2 for CMIP3 and...
Abstract (from https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4794763/): Since 2000, the phenology has advanced in some years and at some locations on the Qinghai-Tibetan Plateau, whereas it has been delayed in others. To understand the variations in spring vegetation growth in response to climate, we conducted both regional and experimental studies on the central Qinghai-Tibetan Plateau. We used the normalized difference vegetation index to identify correlations between climate and phenological greening, and found that greening correlated negatively with winter-spring time precipitation, but not with temperature. We used open top chambers to induce warming in an alpine meadow ecosystem from 2012 to 2014. Our results...
This project seeks to assess the vulnerability of forests in the southwestern U.S. to climate change and wildfire, in order to understand how these ecosystems might become altered as a result. Researchers will examine (a) how climate change will impact wildfires in the region, to better understand fire risk; (b) identify where and when vegetation will be most sensitive to changing climate and fire conditions; and (c) determine the ability of vegetation to adapt to changing conditions, given appropriate management. Researchers will then work closely with public land managers to develop strategic management plans that enable forests to adapt to the changes that are occurring.