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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...
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...
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Tags: 2010,
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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...
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 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...
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...
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...
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...
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. We quantified the effect of local attributes of the wetland management unit (wetland type,...
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