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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 /> Rana draytonii <br /> California red-legged frog Element Code:AAABH01022 <br /> Status NDDB Element Ranks Other Lists <br /> Federal: Threatened Global:G4T2T3 CDFG Status: SC <br /> State: None State:S2S3 <br /> Habitat Associations <br /> General: LOWLANDS&FOOTHILLS IN OR NEAR PERMANENT SOURCES OF DEEP WATER WITH DENSE,SHRUBBY OR EMERGENT RIPARIAN VEGETATION. <br /> Micro: REQUIRES 11-20 WEEKS OF PERMANENT WATER FOR LARVAL DEVELOPMENT.MUST HAVE ACCESS TO ESTIVATION HABITAT. <br /> Occurrence No.265 Map Index: 40062 EO Index: 35064 Dates Last Seen <br /> Occ Rank: Good Element: 2005-01-31 <br /> Origin: Natural/Native occurrence Site: 2005-01-31 <br /> Presence: Presumed Extant <br /> Trend: Unknown Record Last Updated: 2005-05-10 <br /> Quad Summary:Clifton Court Forebay(3712175/463D) <br /> County Summary:Alameda <br /> LaULong: 37.78661°/-121.61978° Township: 02S <br /> UTM: Zone-10 N4183037 E621532 Range: 03E <br /> Area: 20.7 acres Mapping PrecisionSPECIFIC Section: 02 Qtr:SW <br /> Elevation: 200 ft Symbol Type:POLYGON Meridian: M <br /> Location:JUST SOUTH OF CHRISTENSEN ROAD,ON THE EAST SIDE OF THE CALIFORNIA AQUEDUCT,JUST NORTH OF BETHANY RESERVOIR <br /> Location Detail:CAMP 4.43E,-500 FEET FAST OF THE AQUEDUCT.SITE ALSO INCLUDES A MAN-MADE MITIGATION POND,CREATED AS MITIGATION FOR AN <br /> EMERGENCY AQUEDUCT REPAIR AT MP 4.25.THE PONDED AREA IN THE CONCRETE APRON IS WHERE THE FROGS ARE OBSERVED. <br /> Ecological:HABITAT CONSISTS OF A PERENNIAL STREAM FLOWING DOWNSTREAM AS THE RESULT OF SEEPAGE FROM THE AQUEDUCT AND A <br /> MAN-MADE POND.DOMINANT PLANTS INCLUDE SALIX LASIOLEPIS AND TYPHA LATIFOLIA;SURROUNDING AREA VEGETATED BY GRAZED <br /> ANNUAL GRASSLAND. <br /> General: 1 ADULT OBSERVED ON 14 FEB 1982.1 ADULT OBSERVED IN DENSE TYPHA ON 19 MAR 1997.1 ADULT OBSERVED,20 AUG 2002.2 ADULTS <br /> OBSERVED,11 AUG 2004.3 EGG MASSES OBSERVED IN 2.5 YEAR-OLD POND,31 JAN 2005. <br /> Owner/Manager:DWR <br /> Occurrence No.266 Map Index: 40063 EO Index: 35065 Dates Last Seen <br /> Occ Rank: Excellent Element: 2005-03-09 <br /> Origin: Natural/Native occurrence Site: 2005-03-09 <br /> Presence: Presumed Extant <br /> Trend: Unknown Record Last Updated: 2008-07-14 <br /> Quad Summary:Clifton Court Forebay(3712175/463D) <br /> County Summary:Alameda <br /> LaULong: 37.78206°/-121.60775° Township: 02S <br /> UTM: Zone-10 N4182547 E622599 Range: 03E <br /> Area: 17.0 acres Mapping PrecisionSPECIFIC Section: 02 Qtr:SE <br /> Elevation: 160 ft Symbol Type:POLYGON Meridian: M <br /> Location:DRAINAGE/SEEP DIRECTLY BELOW BETHANY RESERVOIR DAM,0.4 MILE SOUTH OF CHRISTENSEN ROAD,SSW OF CLIFTON COURT FOREBAY <br /> Location Detail:THIS IS CALIF.AQUEDUCT SEEP 3 OF BETHANY RESERVOIR(DAM#3).DRAINAGE WAS NOT CLEARED IN 2002 DUE TO THE PRESENCE OF <br /> TADPOLES IN SEPTEMBER;OPEN WATER CREATED BREEDING HABITAT FOR THIS SPECIES. <br /> Ecological:DRAINAGE/SEEP VEGETATED BY A DENSE STAND OF TYPHA LATIFOLIA;SURROUNDING AREA VEGETATED BY GRAZED ANNUAL GRASSLAND. <br /> General: JUVS OBS IN A SILT TRAP BELOW SEEP 3.1 JUV OBS,18 JUL 1997.3 TADPOLES OBS,9 MAY 2000.6 ADS/11 JUVS/8 TADPOLES OBS,10 SEP <br /> 2002.NUMEROUS INDIVIDUALS IN ALL AGE CLASSES OBS,12 DEC 2004-9 MAR 2005. <br /> Owner/Manager:DWR <br /> Occurrence No.267 Map Index: 40064 EO Index: 35066 Dates Last Seen <br /> Occ Rank: Fair Element: 1997-07-07 <br /> Origin: Natural/Native occurrence Site: 1997-07-07 <br /> Presence: Presumed Extant <br /> Trend: Unknown Record Last Updated: 1998-11-02 <br /> Quad Summary:Clifton Court Forebay(3712175/463D) <br /> County Summary:Alameda <br /> LaULong: 37.77370°/-121.60394° Township: 02S <br /> UTM: Zone-10 N4181624 E622948 Range: 03E <br /> Area: 18.0 acres Mapping PrecisionSPECIFIC Section: 12 Qtr:NW <br /> Elevation: 340 ft Symbol Type:POLYGON Meridian: M <br /> Location:SW SHORE OF BETHANY RESERVOIR,SW OF CLIFTON COURT FOREBAY. <br /> Location Detail:SITE IS LOCATED 0.3 MILE NORTH OF THE FURTHEST SOUTH INLET INTO THE RESERVOIR,AS YOU TRAVEL ALONG THE PERIMETER ROAD. <br /> Ecological:HABITAT CONSISTS OF A DENSE PATCH OF TYPHA LATIFOLIA.TO THE EAST,SITE IS SURROUNDED BY OPEN WATER AND BY OPEN <br /> GRASSLANDS TO THE WEST. <br /> General: ONE ADULT FROG OBSERVED ALONG THE SHORE IN A DENSE PATCH OF CATTAILS. <br /> Owner/Manager:DWR <br /> Commercial Version--Dated May 01,2010--Biogeographic Data Branch Page 48 <br /> Report Printed on Thursday,July 01,2010 Information Expires 11/01/2010 <br />