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California Department of Fish and Game <br /> Natural Diversity Database <br /> Full Condensed Report for Selected Elements-Multiple Records per Page <br /> Ambystoma californiense <br /> California tiger salamander Element Code:AAAAA01180 <br /> Status NDDB Element Ranks Other Lists <br /> Federal: Threatened Global:G2G3 CDFG Status: SC <br /> State: unknown code... State:S2S3 <br /> Habitat Associations <br /> General: CENTRAL VALLEY DPS FEDERALLY LISTED AS THREATENED.SANTA BARBARA&SONOMA COUNTIES DPS FEDERALLY LISTED AS ENDANGERED. <br /> Micro: NEED UNDERGROUND REFUGES,ESPECIALLY GROUND SQUIRREL BURROWS&VERNAL POOLS OR OTHER SEASONAL WATER SOURCES FOR <br /> BREEDING <br /> Occurrence No.123 Map Index: 22174 EO Index: 22414 Dates Last Seen <br /> Oce Rank: None Element: 1991-02-28 <br /> Origin: Natural/Native occurrence Site: 1991-02-28 <br /> Presence: Possibly Extirpated <br /> Trend: Unknown Record Last Updated: 2009-05-27 <br /> Quad Summary:Byron Hot Springs(3712176/463C),Clifton Court Forebay(3712175/463D) <br /> County Summary:Contra Costa <br /> Lat/Long: 37.83196o/-121.62523o Township: 01S <br /> UTM: Zone-10 N4188061 E620979 Range: 03E <br /> Radius: 1/5 mile Mapping PrecisionNON-SPECIFIC Section: 22 Qtr:NE <br /> Elevation: 40 ft Symbol Type:POINT Meridian: M <br /> Location:NW OF THE INTERSECTION OF BYRON HOT SPRINGS ROAD AND HOLEY ROAD,NEAR BYRON AIRPORT. <br /> Location Detail:3 ADULTS WERE LOCATED INSIDE GROUND SQUIRREL HOLES,ALL WITHIN 200 FEET OF A 4-ACRE HOLDING POND. <br /> Ecological:HABITAT SURROUNDING HOLDING POND IS ANNUAL/ALKALI GRASSLAND WITH SOME WETLANDS.COMPARISON OF 1993&2008 AERIAL <br /> PHOTOS SHOW THAT THE POND HAS BEEN ELIMINATED BY THE AIRPORT EXPANSION. <br /> Threat: THREATENED BY THE BYRON AIRPORT EXPANSION PROJECT,WHICH PROPOSES TO FILL THE POND IN ORDER TO CREATE A NEW RUNWAY. <br /> General: 3 ADULT SALAMANDERS OBSERVED(2 MALES,ONE UNKNOWN).THIS SITE HAS BEEN A DEPENDABLE BREEDING LOCATION IN THIS AREA. <br /> PROPOSED MITIGATION FOR DESTRUCTION OF THIS HOLDING POND IS TO RECREATE A SIMILAR WETLAND.1 SEEN 1982 UTM 621200- <br /> 4188000 <br /> Owner/Manager:PVT-BYRON AIRPORT <br /> Occurrence No.150 Map Index: 24158 EO Index: 26498 Dates Last Seen <br /> Occ Rank: Good Element: 2008-05-09 <br /> Origin: Natural/Native occurrence Site: 2008-05-09 <br /> Presence: Presumed Extant <br /> Trend: Unknown Record Last Updated: 2008-11-26 <br /> Quad Summary:Clifton Court Forebay(3712175/463D) <br /> County Summary:Alameda <br /> Lat/Long: 37.788670/-121.607930 Township: 02S <br /> UTM: Zone-10 N4183281 E622572 Range: 03E <br /> Area: Mapping PrecisionNON-SPECIFIC Section: 02 Qtr:E <br /> Elevation: 125 ft Symbol Type:POLYGON Meridian: M <br /> Location:NORTH AND SOUTH OF CHRISTENSEN ROAD,WEST OF THE INTERSECTION WITH BRUNS ROAD,SW OF CLIFTON COURT FOREBAY. <br /> Location Detail:BORGES RANCH MITIGATION PROPERTY.2008:RE-MAPPED TO DESCRIPTIONS AND COORDINATES FROM ORIGINAL SOURCES. <br /> Ecological:HABITAT CONSISTS OF VERNAL POOLS SURROUNDED BY NON-NATIVE GRASSLAND. <br /> General: LARVAE OBSERVED AT TWO LOCATIONS ON 26 MAR 1986 AND AT A THIRD LOCATION ON 14 APR 1986.2 LARVAE OBSERVED ON 5 APR 2006.11 <br /> LARVAE OBS ON 9 MAY 2008. <br /> Owner/Manager:PVT <br /> Commercial Version--Dated May 01,2010--Biogeographic Data Branch Page 6 <br /> Report Printed on Thursday,July 01,2010 Information Expires 11/01/2010 <br />