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ROOT _ScienceBase Catalog __National and Regional Climate Adaptation Science Centers ___National CASC ____FY 2008 Projects
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[Excerpt from Introduction] "The San Francisco Bay Estuary supports a large and diverse bird community. More than 50% of most Pacific flyway diving duck populations are found in the Estuary during the winter months (Trost 2002; U.S. Fish and Wildlife Service 2002). San Francisco Bay has been designated as a site of international importance for shorebirds (Western Hemisphere Shorebird Reserve Network), supporting millions of individuals (Morrison et al. 2001; Takekawa et al. 2001; Warnock et al. 2002), including species that use tidal marsh habitats. In total, the Bay’s tidal marshes support at least 113 bird species that represent 31 families (Takekawa et al., in press)..."
Categories: Publication;
Types: Citation;
Tags: Habitat Fragmentation,
Human Disturbance,
National CASC,
Population Viability,
Restoration Implications,
Our knowledge of avian behaviors during the non-breeding period still lags behind that of the breeding season, but the last decade has witnessed a proliferation in research that has yielded significant progress in understanding migration patterns of North American birds. And, although the great majority of migration research has historically been conducted in the eastern half of the continent, there has been much recent progress on aspects of avian migration in the West. In particular, expanded use of techniques such as radar, plasma metabolites, mist-netting, count surveys, stable isotopes, genetic data, and animal tracking, coupled with an increase in multi-investigator collaborations, have all contributed to...
Categories: Publication;
Types: Citation;
Tags: Bird Migration,
Birds,
National CASC,
Water, Coasts and Ice,
Wetlands,
Abstract (from http://rspb.royalsocietypublishing.org/content/282/1799/20142454): Hybridization between native and non-native species has serious biological consequences, but our understanding of how dispersal and selection interact to influence invasive hybridization is limited. Here, we document the spread of genetic introgression between a native ( Oncorhynchus clarkii) and invasive ( Oncorhynchus mykiss) trout, and identify the mechanisms influencing genetic admixture. In two populations inhabiting contrasting environments, non-native admixture increased rapidly from 1984 to 2007 and was driven by surprisingly consistent processes. Individual admixture was related to two phenotypic traits associated with fitness:...
Categories: Publication;
Types: Citation;
Tags: Fish,
National CASC,
Wildlife and Plants,
dispersal,
fitness,
This summary give a brief overview of the project "Fate of Endangered Species in San Francisco Bay Tidal Marshes with Sea Level Rise".
Abstract (from http://link.springer.com/article/10.1007%2Fs10584-009-9644-9): Recent changes in global climate have dramatically altered worldwide temperatures and the corresponding timing of seasonal climate conditions. Recognizing the degree to which species respond to changing climates is therefore an area of increasing conservation concern as species that are unable to respond face increased risk of extinction. Here we examine spatial and temporal heterogeneity in the rate of climate change across western North America and discuss the potential for conditions to arise that may limit the ability of western migratory birds to adapt to changing climates. Based on 52 years of climate data, we show that changes in...
Categories: Publication;
Types: Citation;
Tags: Birds,
National CASC,
Water, Coasts and Ice,
Wetlands,
Wildlife and Plants,
This poster provides an overview of the project "Fate of Endangered Species in San Francisco Bay Tidal Marshes with Sea Level Rise".
This sea-level rise modeling program began in 2008 and is located at the U.S. Geological Survey, Western Ecological Research Center. The focus is to provide site level ground data and results that land managers, planners, and those concerned with the conservation of salt marsh habitats can use to make well-informed climate change adaptation decisions. The work is being done by the USGS San Francisco Bay Estuary Field Station and Dixon Field Station researchers. This interdisciplinary research program objectives include understand the risk to salt marsh endangered species using sea-level rise modeling, storm monitoring, and movement of animals during high water events. In addition, the ability for salt marsh habitats...
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