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Folders: ROOT > ScienceBase Catalog > National and Regional Climate Adaptation Science Centers > North Central CASC > FY 2015 Projects > Forecasting Future Changes in Sagebrush Distribution and Abundance > Approved Products ( Show all descendants )

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_ScienceBase Catalog
__National and Regional Climate Adaptation Science Centers
___North Central CASC
____FY 2015 Projects
_____Forecasting Future Changes in Sagebrush Distribution and Abundance
______Approved Products
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Fossil fuel and agriculture have increased atmospheric concentrations of the greenhouse gases carbon dioxide and methane, which have caused global air temperature to increase by almost 1- degree Celsius. In the absence of climate mitigation, over the next century human-driven climate change is expected to increase temperatures from pre-industrial levels by more than 2-degrees. Understanding the consequences of climate change on ecosystems and the services they provide are critical for guiding land management activities that aim to improve resiliency and to prevent species losses. Here we evaluated how sagebrush ecosystems in the Western United States respond to climate change by using multiple climate projections...
Abstract (from ScienceDirect): Dryland ecosystems play an important role in determining how precipitation anomalies affect terrestrial carbon fluxes at regional to global scales. Thus, to understand how climate change may affect the global carbon cycle, we must also be able to understand and model its effects on dryland vegetation. Dynamic Global Vegetation Models (DGVMs) are an important tool for modeling ecosystem dynamics, but they often struggle to reproduce seasonal patterns of plant productivity. Because the phenological niche of many plant species is linked to both total productivity and competitive interactions with other plants, errors in how process-based models represent phenology hinder our ability to...
Abstract (from http://onlinelibrary.wiley.com/doi/10.1002/ecs2.1590/full): Ecohydrological responses to climate change will exhibit spatial variability and understanding the spatial pattern of ecological impacts is critical from a land management perspective. To quantify climate change impacts on spatial patterns of ecohydrology across shrub steppe ecosystems in North America, we asked the following question: How will climate change impacts on ecohydrology differ in magnitude and variability across climatic gradients, among three big sagebrush ecosystems (SB-Shrubland, SB-Steppe, SB-Montane), and among Sage-grouse Management Zones? We explored these potential changes for mid-century for RCP8.5 using a process-based...