Patuxent Wildlife Research Center (PWRC)    Migratory Bird Research (MBR)    Comments/FAQ(comments)

Breeding Bird Survey Grid for Lower 48 States, Alaska and Southern portion of Canada

Metadata also available as

Metadata:
Identification_Information:
Citation:
Citation_Information:
Originator: USGS Patuxent Wildlife Research Center
Publication_Date: 20150122
Title:
Breeding Bird Survey Grid for Lower 48 States, Alaska and Southern portion of Canada
Geospatial_Data_Presentation_Form: Map
Publication_Information:
Publication_Place: Laurel, Maryland
Publisher: USGS Patuxent Wildlife Research Center
Online_Linkage: <http://www.mbr-pwrc.usgs.gov/bbs>.
Description:
Abstract:
This is a polygon coverage of the mathematically generated grid for North America, excluding Mexico and the Northern portion of Canada. The grid is used in the statistical analysis of the Breeding Bird Survey (BBS) data.
Purpose:
This coverage is used in the analysis of the Breeding Bird Survey data. No responsibility is assumed by the U.S. Geological Survey or by USGS Patuxent Wildlife Research Center in the use of these data.
Supplemental_Information:
For a description of the Breeding Bird Survey methods see Robbins, C.S. and W.T. Van Velzen; 1967; The Breeding Bird Survey, 1966; USDOI Migratory Bird Populations Station, Special Scientific Report--Wildlife No. 102; Washington, D.C. Arc/INFO and ArcView are products of Environmental Systems Research Institute, Inc. (ESRI), 380 New York Street, Redlands, CA 92373. Reference to ESRI products is for information purposes only and does not constitute endorsement by the U.S. Geological Survey.

Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 1966
Ending_Date: 2014
Currentness_Reference: Ground condition

Status:
Progress: Complete
Maintenance_and_Update_Frequency: As needed

Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -179.187
East_Bounding_Coordinate: -52.160
North_Bounding_Coordinate: 72.204
South_Bounding_Coordinate: 24.359

Keywords:
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: Breeding Bird Survey
Theme_Keyword: Breeding Bird Survey Analysis
Theme_Keyword: Bird Counts
Theme_Keyword: Bird Occurrences
Theme_Keyword: Bird Lists
Theme_Keyword: BBS Grid

Place:
Place_Keyword_Thesaurus: None
Place_Keyword: USA
Place_Keyword: United States
Place_Keyword: Canada
Access_Constraints: None
Use_Constraints:
None. Acknowledgment of the U.S. Geological Survey Patuxent Wildlife Research Center would be appreciated in products derived from these data.
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: John R. Sauer
Contact_Organization: USGS Patuxent Wildlife Reesearch Cener
Contact_Address:
Address_Type: mailing address
Address: 11510 American Holly Drive
City: Laurel
State_or_Province: MD
Postal_Code: 20708-4017
Contact_Voice_Telephone: 301-497-5662
Contact_Electronic_Mail_Address: jrsauer at usgs.gov

Native_Data_Set_Environment: UNIX-Arc/INFO Version 7.1 single precision

Data_Quality_Information:
Logical_Consistency_Report:
Arc/INFO software was used to create and maintain topological relationships between features. The Arc/INFO command BUILD was run to ensure the topological consistency of the data set.
Completeness_Report:
This data set contains grid polygons which cover the land mass for North America except Mexico and the Northern part of Canada. It is possible small islands are not covered by this grid. The coverage of the Bird Conservation Regions was used for the coastline.

Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report: It was mathematically generated.

Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: North American Bird Conservation Initiative
Publication_Date: 1999
Title: Bird Conservation Regions
Publication_Information:
Publication_Place: <http://www.bsc-eoc.org/international/bcrmain.html>
Publisher: U.S. Fish and Wildlife Service
Geospatial_Data_Presentation_Form: Map
Type_of_Source_Media: GIS coverage
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 1998
Ending_Date: 1999
Source_Currentness_Reference: Ground condition
Source_Citation_Abbreviation: BCRMAP
Source_Contribution: Bird Conservation Region numbers and spatial information
Source_Information:
Source_Citation:
Citation_Information:
Originator: USGS Patuxent Wildlife Research Center
Publication_Date: Unpublished
Title: State and Province Coverage for the United States and Canada
Type_of_Source_Media: GIS coverage
Source_Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 1993
Source_Currentness_Reference: publication date
Source_Citation_Abbreviation: STMAP
Source_Contribution: State name abbreviation and State Id Number
Source_Information:
Source_Citation:
Citation_Information:
Originator: USGS Patuxent Wildlife Research Center
Publication_Date: 1993
Title: BBS Physiographic Strata
Publication_Information:
Publication_Place: Laurel, Maryland
Publisher: USGS Patuxent Wildlife Research Center
Type_of_Source_Media: GIS Coverage
Source_Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 1993
Source_Currentness_Reference: publication date
Source_Citation_Abbreviation: STRATAMAP
Source_Contribution: BBS strata code

Source_Information:
Source_Citation:
Citation_Information:
Originator: USGS Patuxent Wildlife Research Center
Publication_Date: 2003
Title: Breeding Bird Survey Grid Coverage
Geospatial_Data_Presentation_Form: Map
Type_of_Source_Media: GIS coverage
Source_Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 2003
Source_Currentness_Reference: publication date
Source_Citation_Abbreviation: BBSGRID
Source_Contribution: spatial information
Process_Step:
Process_Description:
The layer was created using the Arc/Info GENERATE command with the FISHNET option to create a grid coverage with a side of 21475 meters. To select the polygons to be included in the coverage, the coverage was overlayed on BCRMAP; then an info file was created from the STATISTICS command in tables with grid ids containing a bcr number; this was joined to the grid file; and a new coverage was created by reselecting only the grid ids which overlap the BCR; The edit option of the arctools command was used to delete the portion covering Mexico and Northern Canada.

After creating the grid coverage, created a point coverage and intersected this with BCRMAP, STMAP and STRATAMAP. Created an info file with this information. The JOINITEM command was used to add the BCR code, State abbreviation and ID number, and the BBS strata code. Missing information was entered with the edit option of arctools. The coverage was then projected from lambert_azmuthal to albers. The ARCSHAPE command was used to create a shape file.

Process_Date: 2003
Source_Used_Citation_Abbreviation: BCRMAP
Source_Used_Citation_Abbreviation:
STMAP Source_Used_Citation_Abbrevation: STRATAMAP
Source_Produced_Citation_Abbreviation: BBSGRID

Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Vector
Point_and_Vector_Object_Information:
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: Network chain, planar graph
Point_and_Vector_Object_Count: 83118

Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Map_Projection:
Map_Projection_Name: Albers Conical Equal Area
Albers_Conical_Equal_Area:
Standard_Parallel: 29.5
Standard_Parallel: 45.5
Longitude_of_Central_Meridian: -96
Latitude_of_Projection_Origin: 23
False_Easting: 0
False_Northing: 0
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: coordinate pair
Coordinate_Representation:
Abscissa_Resolution: 0.016384
Ordinate_Resolution: 0.016384
Planar_Distance_Units: meters
Geodetic_Model:
Horizontal_Datum_Name: North American Datum of 1983
Ellipsoid_Name: Geodetic Reference System 80
Semi-major_Axis: 6378137
Denominator_of_Flattening_Ratio: 298.257222

Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: BBS Grid
Entity_Type_Definition: Grid used in analyzing results from the Breeding Bird Surveys.
Entity_Type_Definition_Source: USGS Patuxent Wildlife Research Center

Attribute:
Attribute_Label: Grid_code
Attribute_Definition:
The unique grid id number, numbered from North to South starting West to East.
Attribute_Definition_Source: USGS Patuxent Wildlife Research Center
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1
Range_Domain_Maximum: 40809
Attribute:
Attribute_Label: BCR
Attribute_Definition: The Bird Conservation Region code
Attribute_Definition_Source: North American Bird Conservation Initiative
Attribute_Domain_Values:
Codeset_Domain:
Codeset_Name:
Bird Conservation Region Codes <http://www.nabci.org/international/english/maps.htm>
Codeset_Source: North American Bird Conservation Initiative

Attribute:
Attribute_Label: STATE
Attribute_Definition: The 3 letter abbreviation code for the state or province.
Attribute_Definition_Source: USGS Patuxent Wildlife Research Center
Attribute_Domain_Values:
Codeset_Domain:
Codeset_Name:
Codes for the identification of the State and the Canadian Provinces.
Codeset_Source: USGS Patuxent Wildlife Research Center
Attribute:
Attribute_Label: STATE_CODE
Attribute_Definition:
The 1 or 2 digit state id number ID Number State ------------------------------- 2 Alabama 3 Alaska 4 Alberta 6 Arizona 7 Arkansas 11 British Columbia 14 California 17 Colorado 18 Connecticut 21 Delaware 22 District of Columbia 25 Florida 27 Georgia 33 Idaho 34 Illinois 35 Indiana 36 Iowa 38 Kansas 39 Kentucky 42 Louisiana 43 Northwest Territories 44 Maine 45 Manitoba 46 Maryland 47 Massachusetts 49 Michigan 50 Minnesota 51 Mississippi 52 Missouri 53 Montana 54 Nebraska 55 Nevada 56 New Brunswick 57 Newfoundland 58 New Hampshire 59 New Jersey 60 New Mexico 61 New York 63 North Carolina 64 North Dakota 65 Nova Scotia 66 Ohio 67 Oklahoma 68 Ontario 69 Oregon 72 Pennsylvania 75 Prince Edward Island 76 Quebec 77 Rhode Island 79 Saskatchewan 80 South Carolina 81 South Dakota 82 Tennessee 83 Texas 85 Utah 87 Vermont 88 Virginia 89 Washington 90 West Virginia 91 Wisconsin 92 Wyoming 93 Yukon Territories
Attribute_Definition_Source: USGS Patuxent Wildlife Research Center
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2
Range_Domain_Maximum: 93
Attribute:
Attribute_Label: STRATA
Attribute_Definition: The code for the Physiographic Strata.
Attribute_Definition_Source: USGS Patuxent Wildlife Research Center
Attribute_Domain_Values:
Codeset_Domain:
Codeset_Name:
BBS Physiographic Strata <http://www.mbr-pwrc.usgs.gov/bbs/physio.html>
Codeset_Source: USGS Patuxent Wildlife Research Center
Distribution_Information:
Distributor:
Contact_Information:
Contact_Person_Primary:
Contact_Person: John Sauer
Contact_Organization: USGS Patuxent Wildlife Research Center
Contact_Address:
Address_Type: mailing address
Address: 11510 American Holly Drive
City: Laurel
State_or_Province: MD
Postal_Code: 20708-4017
Contact_Voice_Telephone: 301-497-5662
Contact_Electronic_Mail_Address: jrsauer at usgs.gov

Distribution_Liability:
Although these data have been processed successfully on a computer system at the USGS Patuxent Wildlife Research Center, no warranty expressed or implied is made regarding the accuracy or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. This disclaimer applies both to individual use of the data and aggregate use with other data. It is strongly recommended that these data be directly acquired from a U.S. Geological Survey server, and not indirectly through other sources which may have changed the data in some way. It is also strongly recommended that careful attention be paid to the contents of the metadata file associated with these data. The U.S. Geological Survey and USGS Patuxent Wildlife Research Center shall not be held liable for improper or incorrect use of the data described and (or) contained herein.

Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: ESRI Shapefile
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name: <ftp://ftpext.usgs.gov/pub/er/md/laurel/Research/BBS_ftp>

Fees: There is no charge for the online option.
Metadata_Reference_Information:
Metadata_Date: 20030509
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Jane E. Fallon
Contact_Organization: USGS Patuxent Wildlife Research Center
Contact_Address:
Address_Type: mailing address
Address: 11410 American Holly Drive
City: Laurel
State_or_Province: MD
Postal_Code: 20708
Contact_Voice_Telephone: 301-497-5664
Contact_Electronic_Mail_Address: jane_fallon@usgs.gov
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Security_Information:
Metadata_Security_Classification_System: None
Metadata_Security_Classification: Unclassified
Metadata_Security_Handling_Description: None
Generated by mp version 2.7.33 on Wed Oct 01 09:59:57 2003