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Wetland managers in the Central Valley of California, a dynamic hydrological landscape, require information regarding the amount and location of existing wetland habitat to make decisions on how to best use water resources to support multiple wildlife objectives, particularly during drought. Scientists from the U.S. Geological Survey Western Ecological Research Center (WERC), Point Blue Conservation Science (Point Blue), and the U.S. Fish and Wildlife Service (USFWS) partnered to learn how wetland and flooded agricultural habitats used by waterfowl and shorebirds change during the non-breeding season (July–April) particularly during drought. During extreme drought conditions, the ability to provide sufficient water...
Categories: Publication; Types: Citation
The dataset summarizes areas of Central Valley wetland and cropland waterbird habitats available for each of 17 projected scenarios by each month (August–December and following January–March). The dataset also includes relatively recent (year 2005) area of existing habitat (i.e., “existing area”) for comparison with habitat areas based on scenarios. Cropland habitats are defined as winter-flooded rice, unplowed dry rice, winter-flooded corn, unplowed dry corn, and other winter-flooded cropland (in Tulare basin). Wetlands are defined as summer-irrigated seasonal wetland, seasonal wetland that is not summer-irrigated, and semipermanent wetland (combines semipermanent and permanent wetland types). Thus, data on availability...
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The Salt and Verde river basins in northeastern Arizona are a vital source of fresh water for the greater Phoenix metropolitan area and for two Native American tribes who rely on the basins’ natural resources for their livelihoods. The region depends on winter rain and snow to replenish the river basins’ water supply. Atmospheric rivers – long, narrow channels in the atmosphere that carry water vapor from the Pacific Ocean – supply a substantial portion of this winter precipitation. While atmospheric rivers are critical for maintaining water resources and preventing drought, they occasionally cause extreme storms that lead to flooding. Scientists project that climate change will affect the intensity and frequency...
In this data set, records (rows) represent GPS locations of ducks marked with telemetry in California and whether locations were overlapping (within 300 m of) locations of marked ducks in other consecutive years (2015-16, 2016-17, and 2017-18) during October - March. Years 2015-16, 2016-17, and 2017-18 represented drought, non-drought, and non-drought, respectively. Matchett and company (2020; see Larger Work section for citation) summarized this data set in tables E3 and E4 to compare overlap of duck locations between consecutive years to investigate interannual habitat stability in relationship with drought, habitat management (daytime roosts and night feeding sites), and in two regions (Suisun Marsh and California...
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In 2017, California was experiencing its most severe drought in over a millennia. Low rainfall and record high temperatures resulted in increased tree mortality and complete forest diebacks across the West. Though land managers scrambled to respond, they lacked information needed to make informed decisions. Focusing on California’s central and southern Sierra Nevada Mountains, this project seeks to determine whether a key forest management practice – forest thinning via prescribed fire – can help forests better survive drought. Prescribed fire is commonly used in the western U.S. to remove potential wildfire fuel, such as small trees and shrubs. It is also thought that this act of selectively removing trees helps...
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Native Nations face unique challenges related to climate change. Native Americans have a deep connection to the natural environment within which their livelihoods, cultural identity, and spiritual practices are rooted. Changes to water flow and hydrology, landscapes, and ecosystems, in combination with socio-economic and other factors, amplify tribal vulnerabilities to climate change. In the Southwest, tribes are already experiencing a range of impacts that are at least partially related to climate change. They include serious water quality and supply issues in the context of prolonged drought; reduced ability to grow or collect important traditional crops and raw materials; loss of forest resources from large and...
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The dataset accompanies Figures 2–4 of Matchett and Fleskes (2018) and therein the subject data are referenced as "Table A1". Data summarize peak abundance (km2) of Central Valley waterbird habitats (i.e., wetland and flooded cropland types) that are available between August and April (of the following year) for each of 17 projected scenarios by planning basin, scenario, and habitat. Area of each habitat for each scenario-basin combination is provided for the month when the most area of the respective habitat is typically flooded and available for waterbird use (i.e., January for all wetlands and winter-flooded rice and corn, and September for other winter-flooded crops in Tulare Basin). The dataset also includes...
The Native Nations Climate Adaptation Program (NNCAP) was founded in 2015 with the mission to build capacity to work collaboratively with Native American tribes and indigenous populations in the western United States and Mexico. NNCAP received funds from the DOI Southwest Climate Science Center to carry out a “Tribal Adaptation Initiative.” One of the objectives of this initiativ ewas to conduct a preliminary assessment of tribal interest and capacity for adaptation across the Southwest. Twenty-six Native Nations participated in the NNCAP tribal climate change assessment and reported a wide array of involvement in climate change initiatives. This report highlights various strengths and capacity needs for climate...
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This data consists of observations of individual trees in western US national parks and forests. Information on individual trees include species identity, measurements of tree size, current status (live or dead), local competition, and growth metrics based on tree rings. The data also includes estimates of plot-level characteristics.
Postfire Spatial Conifer Restoration Planning Tool (POSCRPT) R package (and web version) predicts the probability of post-fire conifer regeneration for fire data supplied by the user. The predictive model was fit using presence/absence data collected five years after wildfire, from 1,234 4.4m radius plots (60m2), spanning 19 wildfires in California. Please refer to Stewart et al. (2020) for more details. The poscrptR tool is designed to simplify the process of predicting post-fire conifer regeneration under different precipitation and seed production scenarios. The app was designed to use Rapid Assessment of Vegetative Condition (RAVG) data inputs. The RAVG website has both RdNBR and fire perimeter data sets...
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Mountain ecosystems are at risk from climate change and may be experiencing accelerated warming relative to lower environments. Understanding climatic and ecosystem processes at meso-, topo-, and micro-scales is limited, and constrains our ability to accurately evaluate vulnerability, and assess responses under future climates. Of special interest for climate studies are upper subalpine forests, the alpine treeline ecotone, and the alpine zones. We will use case-study ecosystems to address climatic processes and ecological responses at topo- and micro-scales, including: 1) treeline ecotone and role of phenotypic plasticity in Pinus albicaulis, 2) rocky ecosystems and Ochotona princeps, 3) demography of subalpine...
The University of Arizona Native Nations Climate Adaptation Program (NNCAP) and Center for Climate Adaptation Science and Solutions (CCASS) hosted the NNCAP Tribal Leaders Summit on Climate Change: A Focus on Climate Adaptation Planning and Implementation at the University of Arizona in Tucson, Arizona on November 12 and 13, 2015. The summit was sponsored by the Desert Landscape Conservation Cooperative, the Agnese Nelms Haury Program in Environment and Social Justice, the Southwest Climate Science Center, and the UA Institute of the Environment (see Appendix D). The primary objective of the Tribal Summit was to convene tribal environmental managers and leaders who have approved climate adaptation plans to share...
map background search result map search result map Possible Future Changes to Water Resources in the Salt and Verde River Basins Associated with Atmospheric River Events Building Partnerships to Assess Tribal Adaptation to Climate Change and Science Needs in the Southwest Can Prescribed Fire Help Forests Survive Drought in the Sierra Nevada Mountains? Response of High Mountain Ecosystems in the Great Basin to Historic and Future Climate Change Data for figures 2 - 4 (Table A1) Live and dead tree growth patterns in western US national parks (2019) Interannual overlap of duck telemetry locations in California during the fall-winter October-March of 2015-16, 2016-17, and 2017-18 Possible Future Changes to Water Resources in the Salt and Verde River Basins Associated with Atmospheric River Events Data for figures 2 - 4 (Table A1) Can Prescribed Fire Help Forests Survive Drought in the Sierra Nevada Mountains? Response of High Mountain Ecosystems in the Great Basin to Historic and Future Climate Change Interannual overlap of duck telemetry locations in California during the fall-winter October-March of 2015-16, 2016-17, and 2017-18 Live and dead tree growth patterns in western US national parks (2019) Building Partnerships to Assess Tribal Adaptation to Climate Change and Science Needs in the Southwest