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WBPHS Traditional Area Stratum Estimates

Report Generated: 2024-08-13 17:39:18.558974506 +0000

Metadata Source

Metadata schema: mdJson
Schema version: 2.8.1
Contacts
U.S. Fish and Wildlife Service
Contact ID: 90bb1dce-d6f6-49c9-bb8d-83e2f684a996
is Organization: true
Meghan Eyler
Contact ID: 44c3b730-271b-419a-9d73-53b82bf431cc
is Organization: false
Contact Type: federal
is Member of: U.S. Fish and Wildlife Service
Address
11510 American Holly Drive
Laurel, Maryland 20708
USA
Address Type: physical
Address Type: mailing
Phone
Phone Name: phone
Phone Number: 301-497-5882
Service Types: voice
Electronic Mail: meghan_eyler@fws.gov
Metadata Information
Metadata Status: completed
Metadata Identifier
Identifier: edaa38f1-efd3-41ba-9aa3-52c52c75b786
Namespace: urn:uuid
Metadata Locales
Default Locale
Language Code: eng
Country Code: USA
Character Encoding: UTF-8
Metadata Contacts
pointOfContact
Meghan Eyler
Contact ID: 44c3b730-271b-419a-9d73-53b82bf431cc
Contact Type: federal
Metadata Dates
Date: creation: 2024-08-13T17:34:12.000+00:00
Metadata Maintenance
Frequency: annually
Resource Information
Resource Type: tabularDataset Name: WBPHS Traditional Area Stratum Estimates
Status: onGoing
Citation
Title: WBPHS Traditional Area Stratum Estimates
Date: creation: 2024-08-13T17:29:08.868+00:00
Date: publication: 2024-08-13T17:29:10.226+00:00
pointOfContact
Meghan Eyler
Contact ID: 44c3b730-271b-419a-9d73-53b82bf431cc
Contact Type: federal
originator
U.S. Fish and Wildlife Service
Contact ID: 90bb1dce-d6f6-49c9-bb8d-83e2f684a996
Abstract
Full Abstract:
The species or species group Traditional Survey Area stratum estimates from the Waterfowl Breeding Population and Habitat Survey for 1955 to 2024. There are no estimates for 2020-21. Estimates are for the Traditional Survey Area which covers strata 1-18, 20-50, and 75-77. There are no 0 records in this data view because if a species is not seen in a stratum, an estimate is not produced for that stratum.

Purpose, Usage, and Limitations
Purpose:
The primary purpose is to provide information on spring population size and trajectory for certain North American duck species. These data are used extensively in the annual establishment of hunting regulations in the United States and Canada and provide long-term time series important in researching bird-environment relationships critical to effective conservation planning for waterfowl.

Resource Contacts
pointOfContact
Meghan Eyler
Contact ID: 44c3b730-271b-419a-9d73-53b82bf431cc
Contact Type: federal
Temporal Information
Time Period
Start Datetime: 1955-05-01T04:00:00.360+00:00
End Datetime: 2024-06-12T04:00:00.000+00:00
Spatial, Temporal, and Vertical Extents
Extent
Geographic Extent
Geographic Extent Encompasses Data: true
Geographic Description:
The traditional area of the Waterfowl Breeding Population and Habitat Survey, which has been surveyed in its current design since 1974 and extends from coastal Alaska through the boreal forest to western Ontario, and through the parklands and prairies south to South Dakota (strata 1-18, 20-50, and 75-77).
Map
User Provided Bounding Box
West Longitude: -167.606
East Longitude: -85.811
South Latitude: 41.568
North Latitude: 70.63
Keywords
theme
  • Aerial survey
  • Population survey
  • Stratum
  • Transect design
Thesaurus
Title: WBPHS Traditional Area Stratum Estimates - theme
Identifier
Identifier: custom
taxon
  • Goldeneye
  • Merganser
  • Scaup
  • Swans
  • American black duck
  • American coot
  • American wigeon
  • Blue-winged teal
  • Bufflehead
  • Canada goose
  • Canvasback
  • Gadwall
  • Green-winged teal
  • Mallard
  • Northern pintail
  • Northern shoveler
  • Redhead
  • Ring-necked duck
  • Ruddy duck
Thesaurus
Title: WBPHS Traditional Area Stratum Estimates - taxon
Identifier
Identifier: custom
place
  • Alaska
  • Alberta
  • Canada
  • Manitoba
  • Montana
  • North Dakota
  • Northcentral United States
  • Northwest Territories
  • Ontario
  • Parkland Canada
  • Prairie Canada
  • Prairie Pothole Region
  • Saskatchewan
  • South Dakota
  • United States
  • Yukon Territory
Thesaurus
Title: WBPHS Traditional Area Stratum Estimates - place
Identifier
Identifier: custom
Constraints
Use Constraint
Constraint Type: use
Limitation:
The United States Fish and Wildlife Service (Service) shall not be held liable for improper or incorrect use of the data described and/or contained herein. While the Service makes every reasonable effort to ensure the accuracy and completeness of data provided for distribution, it may not have the necessary accuracy or completeness required for every possible intended use. The Service recommends that data users consult the associated metadata record to understand the quality and possible limitations of the data. The Service creates metadata records in accordance with the standards endorsed by the Federal Geographic Data Committee. As a result of the above considerations, the Service gives no warranty, expressed or implied, as to the accuracy, reliability, or completeness of the data. It is the responsibility of the data user to use the data in a manner consistent with the limitations of geospatial data in general and these data in particular. Although these data have been processed successfully on a computer system at the Service, no warranty, expressed or implied, is made regarding the utility of the data on another system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. This applies to the use of the data both alone and in aggregate with other data and information.
Resource Locales
Default Locale
Language Code: eng
Country Code: USA
Character Encoding: UTF-8
Supplemental Information
Resource Maintenance
Frequency: annually
Supplemental Information:
The survey was not flown in 2020 or 2021. Estimates are calculated using a design-based ratio estimator for species density, multiplied by a visibility correction factor and stratum area in square miles (Smith GW., 1995. A Critical Review of the Aerial and Ground Surveys of Breeding Waterfowl in North America. Biological Science Report 5. National Biological Service, https://ecos.fws.gov/ServCat/Reference/Profile/140756, ServCat reference code: 140756). Not all strata were flown in all years, particularly in the early years of the survey (1955-65). The 4-letter American Ornithologists Union species alpha codes present in this data view are: ABDU = American Black Duck, AGWT = Green-winged Teal, AMCO = American Coot, AMWI = American Wigeon, BUFF = Bufflehead, BWTE = Blue-winged Teal, CAGO = Canada Goose, CANV = Canvasback, GADW = Gadwall, MALL = Mallard, NOPI = Northern Pintail, NSHO = Northern Shoveler, REDH = Redhead, RNDU = Ring-necked Duck, and RUDU = Ruddy Duck. The modified USFWS species group alpha codes in this data view are: GOLD = Goldeneye spp., MERG = Merganser spp., SCAU = Scaup spp., SWAN = Swan spp., and POND = Potential breeding pond. There were estimates for EIDE = Eider spp., LTDU = Long-tailed Duck, and SCOT = Scoter spp. during the early years of the survey but those are no longer calculated and have been removed from the stratum estimates. POND is only recorded in strata 26-49 and 75-76. Standard error is NULL when there is a sample size of one transect. These estimates can be cited using the following reference: https://ecos.fws.gov/ServCat/Reference/Profile/136318 (ServCat reference code: 136318).
Resource Distribution
Distribution
Description:
The Traditional Area Stratum Estimates from the Waterfowl Breeding Population and Habitat Survey.
Liability Statement:
The United States Fish and Wildlife Service (Service) shall not be held liable for improper or incorrect use of the data described and/or contained herein. While the Service makes every reasonable effort to ensure the accuracy and completeness of data provided for distribution, it may not have the necessary accuracy or completeness required for every possible intended use. The Service recommends that data users consult the associated metadata record to understand the quality and possible limitations of the data. The Service creates metadata records in accordance with the standards endorsed by the Federal Geographic Data Committee. As a result of the above considerations, the Service gives no warranty, expressed or implied, as to the accuracy, reliability, or completeness of the data. It is the responsibility of the data user to use the data in a manner consistent with the limitations of geospatial data in general and these data in particular. Although these data have been processed successfully on a computer system at the Service, no warranty, expressed or implied, is made regarding the utility of the data on another system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. This applies to the use of the data both alone and in aggregate with other data and information.
Data Dictionaries
Dictionary
Subject: tabularDataset
Domains
survey_species
Domain Type: ENUMERATED
ID: 29f97c5a-e83a-4fbf-aa90-862e6ce43b0c
Name: survey_species
Code: survey_species
Description:
The survey species definitions.
GOLD
Name: GOLD
Value: GOLD
Definition:
Goldeneye spp.
BUFF
Name: BUFF
Value: BUFF
Definition:
Bufflehead
RNDU
Name: RNDU
Value: RNDU
Definition:
Ring-necked duck
SCAU
Name: SCAU
Value: SCAU
Definition:
Scaup spp.
AGWT
Name: AGWT
Value: AGWT
Definition:
American green-winged teal
AMWI
Name: AMWI
Value: AMWI
Definition:
American wigeon
MALL
Name: MALL
Value: MALL
Definition:
Mallard
MERG
Name: MERG
Value: MERG
Definition:
Merganser spp.
CAGO
Name: CAGO
Value: CAGO
Definition:
Canada goose
REDH
Name: REDH
Value: REDH
Definition:
REDH
CANV
Name: CANV
Value: CANV
Definition:
Canvasback
NOPI
Name: NOPI
Value: NOPI
Definition:
Northern pintail
BWTE
Name: BWTE
Value: BWTE
Definition:
Blue-winged teal
GADW
Name: GADW
Value: GADW
Definition:
GADW
NSHO
Name: NSHO
Value: NSHO
Definition:
Northern shoveler
RUDU
Name: RUDU
Value: RUDU
Definition:
Ruddy duck
AMCO
Name: AMCO
Value: AMCO
Definition:
American coot
POND
Name: POND
Value: POND
Definition:
Potential breeding pond
ABDU
Name: ABDU
Value: ABDU
Definition:
American black duck
SWAN
Name: SWAN
Value: SWAN
Definition:
Swan spp.
Entities
WBPHS Traditional Area Stratum Estimates
ID: 42fe6621-9430-48fc-ad80-c06ebf1c8fed
Name: WBPHS Traditional Area Stratum Estimates
Code: WBPHS Traditional Area Stratum Estimates
Definition:
The species or species group traditional area stratum estimates from the Waterfowl Breeding Population and Habitat Survey.
Attribute: survey_year
Name: survey_year
Code: survey_year
Definition:
The survey year (YYYY).
Datatype: integer
Allow NULL Values: false
Attribute Values Must Be Unique: true
Value is Case Sensitive: false
Attribute: stratum
Name: stratum
Code: stratum
Definition:
Numeric code indicating the survey stratum. Strata are polygons defined by topographic, political, or other boundaries. Multiple survey transects are located in each stratum and population estimates and other summaries are calculated by stratum.
Datatype: integer
Allow NULL Values: false
Attribute Values Must Be Unique: true
Value is Case Sensitive: false
Attribute: survey_species
Name: survey_species
Code: survey_species
Definition:
4-letter American Ornithologists Union species alpha code or USFWS species group alpha code. Some species are difficult to differentiate from the air or are reported as a combined species and thus for analysis are grouped together. These USFWS modified alpha codes are EIDE (Eider spp.), GOLD (Goldeneye spp.), MERG (Merganser spp.), SCAU (Scaup spp.), SCOT (Scoter spp.), SWAN (Swan spp.), and POND (potential breeding pond).
Datatype: character varying
Allow NULL Values: false
Attribute Values Must Be Unique: true
Value is Case Sensitive: false
Attribute: estimate
Name: estimate
Code: estimate
Definition:
The population size estimate of the number of ducks by species or species group in each stratum calculated from the Total Indicated Birds (TIBs) and area surveyed. There are no 0 records in this table because if a species or species group is not seen, an estimate is not produced.
Datatype: float
Allow NULL Values: false
Attribute Values Must Be Unique: true
Value is Case Sensitive: false
Attribute: standard_error
Name: standard_error
Code: standard_error
Definition:
Standard error of the estimate. NULL when sample size is one transect.
Datatype: float
Allow NULL Values: false
Attribute Values Must Be Unique: true
Value is Case Sensitive: false
Citation
Title: WBPHS Traditional Area Stratum Estimates - data dictionary
Date: creation: 2024-08-13T17:36:54.204+00:00
pointOfContact
Meghan Eyler
Contact ID: 44c3b730-271b-419a-9d73-53b82bf431cc
Contact Type: federal
Recommended Use: This dictionary is used to define the attributes within the WBPHS Traditional Area Stratum Estimates.
Dictionary Included with Dataset?: false