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Phase 1 & 2 (2010, 2012): This project developed a sampling design and monitoring protocol for wintering shorebirds in the Central Valley and in the San Francisco Bay Estuary and develop an LCC-specific online shorebird monitoring portal publicly available at the California Avian Data Center. The three objectives in Phase II of this project are: 1) Complete the shorebird monitoring plan for the CA LCC by developing a sampling design and monitoring protocol for wintering shorebirds in coastal southern California and northern Mexico. 2) Develop models to evaluate the influence of habitat factors from multiple spatial scales on shorebird use of San Francisco Bay and managed wetlands in the Sacramento Valley, as a model...
Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2010, 2011, 2013, Academics & scientific researchers, Academics & scientific researchers, All tags...
Previous California Landscape Cooperative (CA LCC) funding for our project titled, “A Broad - Scale, Multi - Species Monitoring Protocol to Assess Wintering Shorebird Population Trends in Response to Future Land Use and Climate Change” resulted in the development and implementation of a CA LCC - wide monitoring program for shorebirds – The Pacific Flyway Shorebird Survey (PFSS; www.prbo.org/pfss ). The PFSS has led to centralized databases in the California Avi an Data Center ( CADC; www.prbo.org/cadc) , the quantification of the distribution, abundance and variability in shorebird habitat in the Central Valley, the development of shorebird habitat association models, online data summary applications available to...
This website offers results from the project “Impacts of climate change on ecology and habitats of waterbirds”, which evaluates projected impacts of climate, urbanization, and water management scenarios on ecology and habitats of waterfowl and other waterbirds in the Central Valley of California.The Central Valley (CVCA) of California contains some of the most important habitats for waterfowl, shorebirds, and other waterbirds in North America. Most waterbird habitats in the CVCA which include wetlands, flooded rice fields, and other agricultural lands, rely on managed surface water supplies stored in reservoirs and delivered via a complex, interconnected system to a wide array of competing water users. Downscaled...
Ducks Unlimited, Inc Introduction In addition to working with the USGS Western Ecological Research Center team led by Joe Fleskes on defining the feasibility and strategies for tracking a variety of key avian habitats in the Central Valley. Ducks Unlimited focused on mapping Central Valley rice habitats that provide large bioenergetic inputs to overwintering waterfowl and shorebirds in the region. The first year of the project characterized rice fields and their winter- flooded state in the Sacramento Valley. This report summarizes our findings and reviews our future plans to quantify foraging habitats in the Central Valley .
Speaker: Matt Reiter, Avian Wetland Quantitative Ecologist, Point Blue Conservation ScienceHow do changes in habitat management and climate effect shorebird populations at local, regional and hemispheric scales? The Pacific Flyway Shorebird Survey project, let by Matt Reiter of Point Blue Conservation Science, seeks to answer this question.This broad-scale, multi-species research and monitoring program will form the foundation to assess shorebird population response to future land use and climate change both within the California LCC and across the Pacific Coast of the Americas. By improving our understanding of which factors most strongly influence shorebird populations and the availability of their habitat through...
We propose a statistically robust, logistically feasible, long-term monitoring program for wintering shorebirds in coastal California and northern Baja to track spatial and temporal population trends resulting from changing climate and habitat conditions. Specifically, we recommend a sampling design and survey protocol for wintering shorebirds in coastal wetland habitat and provide the data storage and analytical framework for population and trend estimates to be made annually as new data come in through the online data portal in the California Avian Data Center. We also recommend a series of needed pilot studies, including evaluating methods for estimating error rates in shorebird counts, determining the appropriate...
We propose a statistically robust, logistically feasible, long-term monitoring program for wintering shorebirds in the Central Valley of California to track spatial and temporal population trends resulting from changing climate and habitat conditions. Specifically, we recommend a sampling design and survey protocol. We provide the data storage and analytical framework for population and trend estimates to be made annually as new data come in through the online data portal in the California Avian Data Center (CADC). We also recommend a series of needed pilot studies including evaluating methods for estimating error rates in shorebird counts, determining the appropriate scale for measuring habitat, and tracking habitat...
CVJV Implementation Plan chapter and/or chapter sections incorporating results of scenario modeling and description of method to follow to evaluate potential impacts to water supplies and habitats of future proposed changes to water supply management.
This update describes the project’s background and summarizes progress and data produced.Most waterfowl habitats in the Central Valley of California rely on managed surface water supplies stored in reservoirs and delivered via a complex system to a wide array of competing water users. Water supplies vary with snow pack, temperature, and precipitation, all of which are projected to change substantially under some global climate models; land use and water management decisions also greatly impact water supplies. Led by USGS - Western Ecological Research Center , this multi - partner project ( California Landscape Conservation Cooperative, USFWS, CVJV, California Dept. of Fish and Game, Ducks Unlimited, Delta Waterfowl,...
Based on simulation studies using historic monitoring data from SF Bay, we propose a monitoring plan with a standardized survey protocol that will provide robust estimates of spatial and temporal changes in shorebird populations in SF Bay. We also present an online data entry portal developed for the California Avian Data Center (CADC) to capture data and provide general summaries from annual monitoring data. We recommend an annual survey of a stratified random sample of locations to be conducted during high tide on a single day. We provide the analytical framework for population and trend estimates to be made annually as new data come in through the online data portal in CADC. Overall, the new survey design is...
The Central Valley of California is one of the most important regions for wintering waterbirds in North America despite extensive anthropogenic landscape modification and decline of historical wetlands there. Like many other mediterranean-climate ecosystems across the globe, the Central Valley has been subject to a burgeoning human population and expansion and intensification of agricultural and urban development that have impacted wildlife habitats. Future effects of urban development, changes in water supply management, and precipitation and air temperature related to global climate change on area of waterbird habitat in the Central Valley are uncertain, yet potentially substantial. Therefore, we modeled area...
The amount and quality of natural resources available for terrestrial and aquatic wildlife habitats are expected to decrease throughout the world in areas that are intensively managed for urban and agricultural uses. Changes in climate and management of increasingly limited water supplies may further impact water resources essential for sustaining habitats. In this report, we document adapting a Water Evaluation and Planning (WEAP) system model for the Central Valley of California. We demonstrate using this adapted model (WEAP-CVwh) to evaluate impacts produced from plausible future scenarios on agricultural and wetland habitats used by waterbirds and other wildlife. Processed output from WEAP-CVwh indicated varying...
As part of the CA LCC funded project “A Monitoring Protocol to Assess Wintering Shorebird Population Trends”, monitoring plans were developed for the Coastal CA and Baja region, the Central Valley, and San Francisco Bay area. The plans propose a statistically robust, logistically feasible, long-term monitoring program for wintering shorebirds to track spatial and temporal population trends resulting from changing climate and habitat conditions. Specifically, the authors recommend a sampling design and survey protocol for wintering shorebirds in coastal wetland habitat and provide the data storage and analytical framework for population and trend estimates to be made annually as new data come in through the online...
Metrics used to evaluate scenario impacts and success of proposed conservation actions were provided in datasets for specific Central Valley basins. Metrics included the amount of projected available habitat area (and loss of area) across years, and resulting impacts of habitat reduction on goal waterbird populations. Metrics evaluating success of proposed habitat conservation actions primarily focused on adequacy of food supplies to support wintering waterfowl at CVJV-goal population levels. Metrics were provided for each scenario evaluated in WEAP-CVwh.
The Central Valley of California is one of the most important regions for wintering waterbirds in North America despite extensive anthropogenic landscape modification and decline of historical wetlands there. Like many other mediterranean-climate ecosystems across the globe, the Central Valley has been subject to a burgeoning human population and expansion and intensification of agricultural and urban development that have impacted wildlife habitats. Future effects of urban development, changes in water supply management, and precipitation and air temperature related to global climate change on area of waterbird habitat in the Central Valley are uncertain, yet potentially substantial. Therefore, we modeled area...
Birds of the order Anseriformes, commonly referred to as waterfowl, are frequently infected by Haemosporidia of the genera Haemoproteus, Plasmodium, and Leucocytozoon via dipteran vectors. We analyzed nucleotide sequences of the Cytochrome b (Cytb) gene from parasites of these genera detected in six species of ducks from Alaska and California, USA to characterize the genetic diversity of Haemosporidia infecting waterfowl at two ends of the Pacific Americas Flyway. In addition, parasite Cytb sequences were compared to those available on a public database to investigate specificity of genetic lineages to hosts of the order Anseriformes. Haplotype and nucleotide diversity of Haemoproteus Cytb sequences was lower than...
Empirical evidence supports wild birds as playing a role in the interhemispheric exchange of bacteriaand viruses; however, data supporting the redistribution of parasites among continents are limited. Inthis study, the hypothesis that migratory birds contribute to the redistribution of parasites between continentswas tested by sampling northern pintails (Anas acuta) at locations throughout the North PacificBasin in North America and East Asia for haemosporidian infections and assessing the genetic evidencefor parasite exchange. Of 878 samples collected from birds in Alaska (USA), California (USA), and Hokkaido(Japan) during August 2011–May 2012 and screened for parasitic infections using moleculartechniques, Leucocytozoon,...
This project helps the Central Valley Joint Venture (CVJV) track gains and losses of key bird and waterfowl habitats at a landscape scale. This will allow the CVJV to effectively monitor and evaluate habitats essential to conservation planning for wildlife species. This work is important for identifying, assembling, and analyzing data for key habitats of concern and will provide a foundation for future monitoring.
The Central Valley of California (CVC) is an important region for wintering shorebirds in the Pacific Flyway. Despite the importance of the CVC for Pacific Flyway shorebirds, currently there is no regular monitoring to quantify spatial and temporal variation and trends in shorebird populations using this landscape. Although the distribution shorebird habitat, including managed wetlands, vernal pools, and evaporation ponds, is mostly known and typically relatively stable over time, spatial and temporal variation in the distribution of flooded agricultural shorebird habitat is not well understood. Due to their ability to respond quickly to changing habitat conditions, shorebirds may shift their wintering distribution...
The Sacramento Valley of California is a site of international importance for shorebirds despite having lost >90% of its historic wetlands. Currently both managed wetlands and flooded agriculture are important habitats for shorebird populations, but the extent of flooded agriculture may be declining in early winter when shorebirds need to acquire resources postmigration to survive winter. We employed long-term shorebird monitoring data to evaluate factors influencing abundance and species richness of shorebirds using the Sacramento National Wildlife Refuge Complex in early winter (November–December) between 2000 and 2009. Data centralization is the essential glue to hold large-scale monitoring programs together...
map background search result map search result map A Monitoring Protocol to Assess Wintering Shorebird Population Trends A Monitoring Protocol to Assess Wintering Shorebird Population Trends