Dan Gifford, Sacramento Valley-Central Sierra Region, California Department of Fish and Game 20040201 vector digital data http://bios.dfg.ca.gov ftp://ftp.dfg.ca.gov/BDB/GIS/BIOS/Public_Datasets/100_199/ds107.zip This is a data set of the location and number of waterfowl carcasses observed during aerial surveys of the Sacramento-San Joaquin Delta by survey tract. It is comprised of a shapefile containing location information and a separate data table (the extended file) containing information from the actual observations. This metadata file contains the metadata for both the shapefile data table and the extended table. Surveys were made from November through March, from 1993 through 2000. There are 2494 observation records. The aerial surveys were made of 59 designated areas in the Sacramento-San Joaquin River Delta in Sacramento, San Joaquin, Alameda, and Yolo counties. The original spatial data were provided in an Arc 3.x shapefile. The waterfowl population and carcass count in the extended table was provided in a .dbf. Each record provide the name and size of the parcel where the waterfowl were found, the number of dead waterfowl seen, an index of the total number of waterfowl in the polygon being surveyed, the date of the survey, the number and species of the dead waterfowl picked up, and the date of the carcass collection. The database was designed to locate and document cholera outbreaks in wintering waterfowl in the Sacramento - San Joaquin River Delta. In addition, it was designed to facilitate the removal of carcasses as a means of slowing the progression of the disease and to locate areas of dead waterfowl so that those areas could be checked again. METHODS. Flights were made through the survey area at about 200-500 feet above the ground looking for flooded areas, and areas where waterfowl were known to occur, to check for dead waterfowl. Flights lasted from one to three hours and at a minimum covered the Delta, but might have included the Yolo Bypass or areas in the Sacramento Valley. Frequently flights were made weekly, weather permitting. The data contributor (Dan Gifford, Central Valley-Central Sierra Region) was the observer on more than 90% of the flights. A DFG seasonal aide was the observer on the other flights. The data contributor also compiled the data. GENERAL ASSUMPTIONS OF THE DATA. * Enough dead waterfowl would be observed during a flight to provide to provide a priority areas where dead waterfowl needed to be picked up to reduce mortality. * Not all dead waterfowl were found. The number of dead birds picked up does not represent the total mortality. * It is not know that cholera was the specific cause of death of all of the dead birds enumerated in these data. KNOWN CAVEATS OF THE DATA. * The survey was not made with the primary intent of locating and counting waterfowl. Waterfowl populations were estimated. * The location of dead waterfowl was recorded by area in order to direct on-the-ground pickup of the dead birds. 19930101 20000101 ground condition Complete None planned -121.867361 -121.308478 38.562093 37.775055 None goose ground count mortality aerial count waterfowl duck carcass collection cholera ISO 19115 Topic Category biota oceans environment inlandWaters None San Joaquin River California Delta San Joaquin County Alameda County Yolo County Sacramento County Sacramento River None If the information is used, credit should be given to the Central Valley - Central Sierra Region of the California Department of Fish and Game. California Department of Fish & Game, Sacramento Valley - Central Sierra Region Dan Gifford mailing

1701 Nimbus Road

Rancho Cordova CA 95670 US (209) 369-8851 dgifford@dfg.ca.gov Microsoft Windows 7 Version 6.1 (Build 7601) Service Pack 1; Esri ArcGIS 10.3.1.4959 Edited original metadata by adding ISO keywords. 20070718 California Department of Fish and Game Kristina White bios@dfg.ca.gov Vector GT-polygon composed of chains 59 NAD 1983 Albers 34.0 40.5 -120.0 0.0 0.0 -4000000.0 coordinate pair 0.000000003754707655900803 0.000000003754707655900803 meter D North American 1983 GRS 1980 6378137.0 298.257222101 ds107 DEL_HYD_ Unique identifier of the polygon (delta island or a part of that island). DEL_HYD_ID HYDRO_A_ HYDRO_A_ID TYPE HNAME Name of the island described by the polygon feature. TYPEAV WATER ECO_DEL_ ECO_DEL_ID BASIN Name of the part of the Delta that this polygon feature is in. WATERSHED Name of the watercourse forming this watershed. ACRES SHAPE Feature geometry. ESRI Coordinates defining the features. FID Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. Y SHADE Feature geometry. ESRI Coordinates defining the features. Shape Feature geometry. ESRI Coordinates defining the features. X Area of feature in internal units squared. ESRI Positive real numbers that are automatically generated. SHAPE_area Area of feature in internal units squared. ESRI Positive real numbers that are automatically generated. SHAPE_len ds107_EX1 Field definitions for extended table of aerial observation of dead waterfowl. OID DEL_HYD_ Unique identifier of the polygon (delta island or a part of that island). SPECIES The species names of the dead animal collected. aisp Wood Duck anac Northern Pintail anal Greater White-fronted Goose anam American Widgeon ancl Northern Shoveler ancr Green-winged Teal ancy Cinnamon Teal anpl Mallard anst Gadwall ayam Redhead ayco Ring-necked Duck ayma Greater Scaup ayva Canvasback bole American Bittern brca Canada Goose brcale Lesser Canada Goose brcami Canada Goose MI bual Bufflehead bucl Common Goldeneye buib Cattle Egret buja Red-tailed Hawk buvi Great Horned Owl caal Sanderling cama Western Sandpiper chca Snow Goose chro Ross's Goose chvo Killdeer cicy Northern Harrier cybu Trumpeter Swan cyco Tundra Swan egth Snowy Egret fuam American Coot grcaca grcata hime Black-necked Stilt laar Herring Gull lisc Long-billed Dowitcher lymi Jack Snipe musk Muskrat nyny Black-crowned Night Heron onzi Muskrat oxja Ruddy Duck phau Double-crested Cormorant plsq Black-bellied Plover popo Pied-billed Grebe trme Greater Yellowlegs tyal Barn Owl unknow Species unknown COUNT_ Number of animal carcasses of the given species collected. PICKUPDATE The date these carcasses were collected. WFNUM The number of waterfowl (ducks, geese, swans) observed on this date. Waterfowl population size recorded by ranges of numbers of birds counted. 1 1 to 100 waterfowl observed 2 100s of waterfowl observed 3 1,000s of waterfowl observed 4 10,000 or more waterfowl observed CHOLNUM The number of dead waterfowl carcasses observed. We estimated actual mortality of 10 animals for every one observed from the air. SURV_DATE The date that the information for this record was collected. YEAR The YEAR that the information for this record was collected. 20160229 Sacramento Valley - Central Sierra Region, California Department of Fish and Game Dan Gifford mailing

1701 Nimbus Road

Rancho Cordova California 95670 (209) 369-8851 dgifford@dfg.ca.gov FGDC Content Standard for Digital Geospatial Metadata FGDC-STD-001-1998 local time