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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.300 Map Index: 41131 EO Index: 41131 Dates Last Seen <br /> Occ Rank: Fair Element: 2000-05-09 <br /> Origin: Natural/Native occurrence Site: 2000-05-09 <br /> Presence: Presumed Extant <br /> Trend: Unknown Record Last Updated: 2000-05-17 <br /> Quad Summary:Clifton Court Forebay(3712175/463D) <br /> County Summary:Alameda <br /> LaULong: 37.799680/-121.614810 Township: 01S <br /> UTM: Zone-10 N4184493 E621949 Range: 03E <br /> Radius: 80 meters Mapping PrecisionSPECIFIC Section: 35 Qtr:SW <br /> Elevation: 120 ft Symbol Type:POINT Meridian: M <br /> Location:JUST EAST OF THE DELTA PUMPING PLANT,1 MILE NORTH OF BETHANY RESERVOIR,4 MILES SSE OF BYRON <br /> Ecological:HABITAT CONSISTS OF A SMALL PERENNIAL STREAM,VEGETATED BY TYPHA SP,SCIRPUS SP,AND EPILOBIUM SP.ONLY ABOUT 50 FEET OF <br /> EMERGENT VEGETATION,THEN THE STREAM ENTERS PRIVATE,HEAVILY-GRAZED GRASSLAND,CONTAINING A SERIES OF STOCK PONDS. <br /> Threat: THREATENED BY OVERGRAZING AND ROAD MAINTENANCE ACTIVITIES. <br /> General: 2 ADULTS AND 3 JUVENILES OBSERVED ON 14 MAY 1998.1 SUB-ADULT OBSERVED ON 9 MAY 2000. <br /> Owner/Manager:DWR <br /> Occurrence No.384 Map Index: 42970 EO Index: 42970 Dates Last Seen <br /> Occ Rank: Good Element: 2005-02-23 <br /> Origin: Natural/Native occurrence Site: 2005-02-23 <br /> Presence: Presumed Extant <br /> Trend: Unknown Record Last Updated: 2008-07-08 <br /> Quad Summary:Clifton Court Forebay(3712175/463D) <br /> County Summary:Alameda <br /> LaULong: 37.78299°/-121.61117° Township: 02S <br /> UTM: Zone-10 N4182646 E622296 Range: 03E <br /> Area: 11.0 acres Mapping PrecisionSPECIFIC Section: 02 Qtr:SE <br /> Elevation: 220 ft Symbol Type:POLYGON Meridian: M <br /> Location:NORTH SIDE OF BETHANY RESERVOIR,0.5 MILE SOUTH OF CHRISTENSEN ROAD,5 MILES SSE OF BYRON <br /> Location Detail:SITE IS KNOWN AS BETHANY SEEP 2,A CHANNELIZED DRAINAGE FLOWING FROM BETHANY RESERVOIR(DAM#2). <br /> Ecological:HABITAT CONSISTS OF A SEEP WITH SOME CATTAILS PRESENT;SURROUNDED BY OPEN,GRAZZED GRASSLAND.PACIFIC TREE FROGS ALSO <br /> PRESENT AT THIS SITE. <br /> Threat: THREATENED BY CATTLE GRAZING. <br /> General: 1 FEMALE FOUND,22 OCT 1999.2 ADULTS AND 2 JUVENILES OBSERVED,18 SEP 2002;ONE OF THE RECENTLY-MORPHED JUVENILES HAD A <br /> DEFORMED LEG.1 ADULT OBS,11 AUG 2004.2 ADULTS/3 EGG MASSES OBS,23 FEB 2005. <br /> Owner/Manager:DWR <br /> Occurrence No.385 Map Index: 42971 EO Index: 42971 Dates Last Seen <br /> Occ Rank: Good Element: 2004-08-11 <br /> Origin: Natural/Native occurrence Site: 2004-08-11 <br /> Presence: Presumed Extant <br /> Trend: Unknown Record Last Updated: 2008-07-10 <br /> Quad Summary:Clifton Court Forebay(3712175/463D) <br /> County Summary:Alameda <br /> LaULong: 37.78368x/-121.614640 Township: 02S <br /> UTM: Zone-10 N4182718 E621989 Range: 03E <br /> Area: 21.0 acres Mapping PrecisionSPECIFIC Section: 02 Qtr:S <br /> Elevation: 190 ft Symbol Type:POLYGON Meridian: M <br /> Location:NORTH END OF BETHANY RESERVOIR,0.2 MILE SOUTH OF CHRISTENSEN ROAD,5 MILES SSE OF BYRON. <br /> Location Detail:PRIMARY SITE NAME IS BETHANY SEEP 1,A CHANNELIZED DRAINAGE FLOWING FROM BETHANY RESERVOIR(DAM#1).1982 SITE IS A FARM <br /> POND SURROUNDED BY GRAZED GRASSLAND JUST NORTH OF BETHANY SEEP 1. <br /> Ecological:HABITAT CONSISTS OF A SEEP WITH SOME CATTAILS GROWING IN A CHANNEL.RUDERAL SPECIES WITH SOME BUNCHGRASSES FOUND IN <br /> THE SURROUNDING GRASSLAND AREA. <br /> Threat: THREATENED BY CATTLE GRAZING WITHIN DRAINAGE.DRAINAGE CLEARED OF CATTAIL OVERGROWTH AS NEEDED(1/2 CHANNEL AT A <br /> General: 1 ADULT OBS AT FARM POND,10 MAR 1982.1 ADULT OBS,30 APR 2000.1 ADULT&2 JUVENILES OBS,10 SEP 2002.1 ADULT OBS,11 AUG 2004. <br /> Owner/Manager:DWR <br /> Commercial Version--Dated May 01,2010--Biogeographic Data Branch Page 49 <br /> Report Printed on Thursday,July 01,2010 Information Expires 11/01/2010 <br />