Research Ecologist
Climate Adaptation Science Centers
Email:
jbradford@usgs.gov
Office Phone:
928-556-7300
Fax:
(928) 556-9111
ORCID:
0000-0001-9257-6303
Location
Bldgs.4And5
2255 North Gemini Drive
Flagstaff
, AZ
86001
US
Supervisor:
Jeffrey E Lovich
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Monthly Standardize Precipitation Evapotranspiration Index (SPEI), Daily soil-water potential (MPa) and soil temperature (degree C) data for plots from SageSuccess. The SageSuccess Project is a joint effort between USGS, BLM, and FWS to understand how to establish big sagebrush and ultimately restore functioning sagebrush ecosystems. Improving the success of land management treatments to restore sagebrush-steppe is important for reducing the long-term impacts of rangeland fire on sage-grouse and over 350 other wildlife species that use these habitats.
Categories: Data;
Tags: Botany,
Climatology,
Ecology,
Great Basin,
Land Use Change, All tags...
USGS Science Data Catalog (SDC),
biota,
droughts,
ecological drought,
fire,
sagebrush,
water deficit, Fewer tags
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These data represent simulated soil temperature and moisture conditions for current climate, and for future climate represented by all available climate models at two time periods during the 21st century. These data were used to: 1) quantify the direction and magnitude of expected changes in several measures of soil temperature and soil moisture, including the key variables used to distinguish the regimes used in the R and R categories; 2) assess how these changes will impact the geographic distribution of soil temperature and moisture regimes; and 3) explore the implications for using R and R categories for estimating future ecosystem resilience and resistance.
Tags: Alberta,
Arizona,
British Columbia,
California,
Canada, All tags...
Climatology,
Colorado,
Ecology,
Geography,
Idaho,
Information Sciences,
Kansas,
Manitoba,
Minnesota,
Montana,
Nebraska,
Nevada,
New Mexico,
North Dakota,
Oklahoma,
Oregon,
Saskatchewan,
Soil Sciences,
South Dakota,
Texas,
USGS Science Data Catalog (SDC),
United States,
Utah,
Washington,
Wyoming,
aridification,
aridity,
big sagebrush ecosystems,
biota,
cheatgrass,
clay loam,
climate,
climate change,
climate models,
concentration pathways,
drought resistance,
droughts,
ecological model,
ecological transformation,
ecosystem resilience,
future time periods,
historical conditions,
resilience,
sandy loam,
silt loam,
soil temperature,
soil types,
vulnerability, Fewer tags
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Categories: Publication;
Tags: Data Visualization & Tools,
Drought,
Drought, Fire and Extreme Weather,
Forests,
Landscapes, All tags...
National CASC,
Science Tools For Managers,
USA,
aridity,
competitive intensity,
dendrochronology,
drought severity,
drought stress,
forest density,
forest growth,
forest response,
long-term experimental forests, Fewer tags
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Over the past four decades, annual area burned has increased significantly in California and across the western USA. This trend reflects a confluence of intersecting factors that affect wildfire regimes. It is correlated with increasing temperatures and atmospheric vapour pressure deficit. Anthropogenic climate change is the driver behind much of this change, in addition to influencing other climate-related factors, such as compression of the winter wet season. These climatic trends and associated increases in fire activity are projected to continue into the future. Additionally, factors related to the suppression of the Indigenous use of fire, aggressive fire suppression and, in some cases, changes in logging practices...
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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, All tags...
National CASC,
Science Tools For Managers,
drought,
forest resistance,
resilience,
severe drought,
tree mortality, Fewer tags
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