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<?xml version="1.0"?> <mods xmlns="http://www.loc.gov/mods/v3" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:xlink="http://www.w3.org/1999/xlink" version="3.7" xsi:schemaLocation="http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-7.xsd"> <titleInfo> <title>Road Barriers to Wildlife Passage: San Francisco Bay Area, California, 2006</title> </titleInfo> <name type="corporate"> <namePart>Bay Area Open Space Council</namePart> <role> <roleTerm authority="marcrelator" type="text">creator</roleTerm> </role> </name> <name type="corporate"> <namePart>Conservation Lands Network</namePart> <role> <roleTerm authority="marcrelator" type="text">creator</roleTerm> </role> </name> <name type="corporate"> <namePart>San Francisco Bay Area Upland Habitat Goals Project</namePart> <role> <roleTerm authority="marcrelator" type="text">creator</roleTerm> </role> </name> <name type="corporate"> <namePart>GreenInfo Network (Firm)</namePart> <role> <roleTerm authority="marcrelator" type="text">creator</roleTerm> </role> </name> <genre valueURI="http://id.loc.gov/authorities/genreForms/gf2011026297" authority="lcgft">Geospatial data</genre> <genre valueURI="http://rdvocab.info/termList/RDAContentType/1001" authority="rdacontent">cartographic dataset</genre> <typeOfResource>cartographic</typeOfResource> <typeOfResource>software, multimedia</typeOfResource> <physicalDescription> <form>Shapefile</form> <extent>0.041</extent> <digitalOrigin>born digital</digitalOrigin> </physicalDescription> <language> <languageTerm authority="iso639-2b" type="code">eng</languageTerm> </language> <abstract lang="eng" displayLabel="Abstract">Connectivity is vital to the viability of many mammal and other species conservation targets. The Conservation Lands Network (CLN) incorporates two levels of connectivity: connectivity within landscape units and connectivity between landscape units. Marxan was configured to capture local networks, or within landscape unit connectivity, by locking in protected lands and using settings in the software, but some key local linkages were explicitly considered, and were included as Areas for Further Consideration. Connectivity between landscape units is equally important. Mountain lions, in particular, will not persist in the more isolated landscape units (Santa Cruz Mountains, Mount Diablo) without occasional immigration, based on research on cougars in the Santa Ana Mountains in Southern California (Beier 1993). Riparian areas provide important connectivity for many wildlife species and are included in the CLN. There is ample evidence that culverts, bridges, and other passages under major freeways are used by a variety of wildlife (Penrod et al. 2006), but constrained narrow corridors can lead to problems for some species. Some specific linkages issues were identified across the region. There are a series of obvious choke points on several major freeways: 1) Highway 580 between the South and Middle East Bay Hills landscape units; 2). Altamont Pass area (also Highway 580) between the Mt. Diablo and Mt. Hamilton Ranges; 3) Caldecott Corridor located above the tunnel between the Middle and North East Bay Hills; 4) Coyote Valley between Sierra Azul and the Mt. Hamilton Range landscape units; and 5) Various crossings of Highway 101 in Sonoma County. Key linkages from the study area to beyond the boundaries include: 6) Chittenden Gap at the south end of the Sierra Azul landscape unit connecting to the Gabilan Range; 7) Across the Soap Lake Basin south of Gilroy; and 8) The Sonoma Coast Range to the Northern Mayacamas across Highway 101 and the Russian River north of Cloverdale. To begin to address the linkage issues noted above, the team used aerial photography, Google Earth and maps to conduct an initial analysis of bridges and other potential wildlife crossing areas. The exercise also identified areas that require more detailed investigation. This polyline shapefile depicts the results of the analysis showing roads that are considered barriers to wildlife crossings in red in the nine county San Francisco Bay Area Region, California. These areas were also included as Areas for Further Consideration.</abstract> <abstract lang="eng" displayLabel="Purpose">This dataset was developed/compiled for use in the San Francisco Bay Area Upland Habitat Goals Project, a Project used to identify a Conservation Lands Network (CLN) for biodiversity preservation to inform conservation investments and lasting cooperative conservation partnerships. The Conservation Lands Network GIS Database is the primary output of the Project. The data depicts the spatially explicit CLN that is recommended for the nine county San Francisco Bay Area Region, California.</abstract> <note lang="eng" displayLabel="Preferred citation">Bay Area Open Space Council, GreenInfo Network, Conservation Lands Network, and San Francisco Bay Area Upland Habitat Goals Project. (2011). Road Barriers to Wildlife Passage: San Francisco Bay Area, California, 2006. Bay Area Open Space Council. Available at http://purl.stanford.edu/zn160rx2523.</note> <note displayLabel="WGS84 Cartographics">This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.</note> <subject authority="lcsh" lang="eng"> <topic authority="lcsh" authorityURI="http://id.loc.gov/authorities/subjects.html">Roads--Environmental aspects</topic> </subject> <subject authority="lcsh" lang="eng"> <topic authority="lcsh" authorityURI="http://id.loc.gov/authorities/subjects.html">Wildland-urban interface</topic> </subject> <subject authority="lcsh" lang="eng"> <topic authority="lcsh" authorityURI="http://id.loc.gov/authorities/subjects.html">Corridors (Ecology)</topic> </subject> <subject lang="eng"> <geographic>San Francisco Bay Area (Calif.)</geographic> </subject> <subject authority="geonames" lang="eng"> <geographic authority="geonames" authorityURI="http://www.geonames.org/ontology#" valueURI="http://sws.geonames.org/5322745/">Alameda County (Calif.)</geographic> </subject> <subject authority="geonames" lang="eng"> <geographic authority="geonames" authorityURI="http://www.geonames.org/ontology#" valueURI="http://sws.geonames.org/5339268/">Contra Costa County (Calif.)</geographic> </subject> <subject authority="geonames" lang="eng"> <geographic authority="geonames" authorityURI="http://www.geonames.org/ontology#" valueURI="http://sws.geonames.org/5370468/">Marin County (Calif.)</geographic> </subject> <subject authority="geonames" lang="eng"> <geographic authority="geonames" authorityURI="http://www.geonames.org/ontology#" valueURI="http://sws.geonames.org/5376101/">Napa County (Calif.)</geographic> </subject> <subject lang="eng"> <geographic>San Francisco County (Calif.)</geographic> </subject> <subject authority="geonames" lang="eng"> <geographic authority="geonames" authorityURI="http://www.geonames.org/ontology#" valueURI="http://sws.geonames.org/5392427/">San Mateo County (Calif.)</geographic> </subject> <subject authority="geonames" lang="eng"> <geographic authority="geonames" authorityURI="http://www.geonames.org/ontology#" valueURI="http://sws.geonames.org/5393021/">Santa Clara County (Calif.)</geographic> </subject> <subject authority="geonames" lang="eng"> <geographic authority="geonames" authorityURI="http://www.geonames.org/ontology#" valueURI="http://sws.geonames.org/5396987/">Solano County (Calif.)</geographic> </subject> <subject authority="geonames" lang="eng"> <geographic authority="geonames" authorityURI="http://www.geonames.org/ontology#" valueURI="http://sws.geonames.org/5397100/">Sonoma County (Calif.)</geographic> </subject> <subject> <temporal encoding="w3cdtf">2006</temporal> </subject> <subject authority="ISO19115TopicCategory"> <topic authority="ISO19115TopicCategory" authorityURI="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_TopicCategoryCode" valueURI="environment">Environment</topic> </subject> <subject authority="ISO19115TopicCategory"> <topic authority="ISO19115TopicCategory" authorityURI="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_TopicCategoryCode" valueURI="structure">Structure</topic> </subject> <subject authority="ISO19115TopicCategory"> <topic authority="ISO19115TopicCategory" authorityURI="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_TopicCategoryCode" valueURI="transportation">Transportation</topic> </subject> <subject> <cartographics> <scale>Scale not given.</scale> <projection>Custom projection</projection> <coordinates>W 123°1ʹ59ʺ--W 121°9ʹ57ʺ/N 38°51ʹ10ʺ--N 36°54ʹ46ʺ</coordinates> <coordinates>W 123°1ʹ59ʺ--W 121°12ʹ33ʺ/N 38°51ʹ10ʺ--N 36°55ʹ3ʺ</coordinates> </cartographics> </subject> <subject displayLabel="WGS84" authority="EPSG" valueURI="http://opengis.net/def/crs/EPSG/0/4326"> <cartographics> <projection>EPSG::4326</projection> </cartographics> </subject> <originInfo> <dateIssued encoding="w3cdtf" keyDate="yes">2011</dateIssued> <place> <placeTerm type="text">Berkeley, California, US</placeTerm> </place> <publisher>Bay Area Open Space Council</publisher> </originInfo> <location> <url usage="primary display">https://purl.stanford.edu/zn160rx2523</url> </location> <recordInfo> <languageOfCataloging> <languageTerm authority="iso639-2b" type="code">eng</languageTerm> </languageOfCataloging> <recordContentSource>Stanford</recordContentSource> <recordOrigin>This record was translated from ISO 19139 to MODS v.3 using an xsl transformation.</recordOrigin> <recordIdentifier>edu.stanford.purl:zn160rx2523</recordIdentifier> </recordInfo> <extension displayLabel="geo"> <rdf:RDF xmlns:gml="http://www.opengis.net/gml/3.2/" xmlns:dc="http://purl.org/dc/elements/1.1/"> <rdf:Description rdf:about="http://purl.stanford.edu/zn160rx2523"> <dc:format>application/x-esri-shapefile; 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There are no restrictions on use.</accessCondition> <accessCondition type="copyright">This work is in the Public Domain, meaning that it is not subject to copyright.</accessCondition> </mods>
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