Entity_Type:
Entity_Type_Label: blackBrant_radioDetection_deploymentAttributes.csv
Entity_Type_Definition:
Table with details of the each brant tagged and tracked with a VHF radio transmitter. Presented in a Comma Separated Value (CSV) formatted table.
Entity_Type_Definition_Source: Author defined
Attribute:
Attribute_Label: Freq
Attribute_Definition:
Unique Identifier of the VHF radio transmitter tagged brant. The last 4 digits of the transmitter's radio signal frequency. Corresponds with the 'Freq' field in all tables included with this data package.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Unrepresentable_Domain: Unique Identifier of the VHF radio transmitter tagged brant.
Attribute:
Attribute_Label: Deployment_Date
Attribute_Definition:
The date when the VHF radio transmitter was deployed (i.e., date when the brant was captured and the transmitter was surgically implanted).
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1999-07-16
Range_Domain_Maximum: 1999-07-21
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: BandID
Attribute_Definition:
Unique field identification code used to mark individual brant in the field. The final 5 digits of the metal leg band issued by the USGS Bird Banding Lab.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Unrepresentable_Domain: Unique field identification code used to mark individual brant.
Attribute:
Attribute_Label: Tarsal_Color
Attribute_Definition:
Color of the plastic tarsal band with a 3-character code (see Attribute 'Tarsal_Code') used to visually identify individual brant. Each color-code combination is unique.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Unrepresentable_Domain: Color of the plastic tarsal band.
Attribute:
Attribute_Label: Tarsal_Code
Attribute_Definition:
A 3-character (including letters, numbers, and special characers) code used to visually identify individual brant. Each color-code combination is unique.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Unrepresentable_Domain: Code of the plastic tarsal band.
Attribute:
Attribute_Label: Brood_Patch
Attribute_Definition:
Whether a brood patch (i.e., new growth of belly feathers signifying an adult female who had nested) was present when the brant was captured and tagged. Blank cells indicate that no brood patch was observed.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: Y
Enumerated_Domain_Value_Definition: Brood patch observed.
Enumerated_Domain_Value_Definition_Source: Author defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: ?
Enumerated_Domain_Value_Definition: Brood patch presence uncertain.
Enumerated_Domain_Value_Definition_Source: Author defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: N
Enumerated_Domain_Value_Definition: No brood patch was observed.
Enumerated_Domain_Value_Definition_Source: Author defined
Attribute:
Attribute_Label: Age
Attribute_Definition: Age class of brant when the VHF radio transmitter was deployed.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: ASY
Enumerated_Domain_Value_Definition: After Second Year
Enumerated_Domain_Value_Definition_Source: Author defined
Attribute:
Attribute_Label: Sex
Attribute_Definition: Sex of brant.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: F
Enumerated_Domain_Value_Definition: Female
Enumerated_Domain_Value_Definition_Source: Author defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: M
Enumerated_Domain_Value_Definition: Male
Enumerated_Domain_Value_Definition_Source: Author defined
Attribute:
Attribute_Label: Mortality_Info
Attribute_Definition: Comments about where and when a brant died, if known.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Unrepresentable_Domain: Comments about where and when a brant died, if known.
Entity_Type:
Entity_Type_Label: blackBrant_migrationTiming_1999-2001.csv
Entity_Type_Definition:
Table summarizing the timing of: (a) post-breeding migration events from the Yukon Delta National Wildlife Refuge; (b) pre-migration fall-staging at Izembek Lagoon, Alaska; (c) overwintering at Bahia de San Quintin, Laguna Ojo de Liebre, and Laguna San Ignacio, Baja California, Mexico; and (d) spring staging in Humboldt Bay, California, Salish Sea of the northern Washington and southern British Columbia, and Izembek Lagoon, Alaska. Dates are estimates of day-of-arrival and day-of-departure from these embayments. Estimates are based on first and last detections at sites. Presented in a Comma Separated Value (CSV) formatted table.
Entity_Type_Definition_Source: Author defined
Attribute:
Attribute_Label: Freq
Attribute_Definition:
Unique Identifier of the VHF radio transmitter tagged brant. The last 4 digits of the transmitter's radio signal frequency. Corresponds with the 'Freq' field in all tables included with this data package.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Unrepresentable_Domain: Unique Identifier of the VHF radio transmitter tagged brant.
Attribute:
Attribute_Label: Deployment_Date
Attribute_Definition:
The date when the VHF radio transmitter was deployed (i.e., date when the brant was capture and the transmitter was surgically implanted).
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1999-07-16
Range_Domain_Maximum: 1999-07-21
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: YKD_depart_fall 1999
Attribute_Definition:
The estimated date of departure from the Yukon Kuskokwim Delta (Yukon Delta NWR) in the fall of 1999. The departure date was estimated as the mean date between the last day of detection and first day of no detection during aerial tracking surveys of the Tutakoke River capture site and surrounding area on August 8, 12, 21, September 8, 1999. Blank cells indicate that the departure date was not estimated; Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1999-08-17
Range_Domain_Maximum: 1999-08-22
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: IZ_arrive_fall 1999
Attribute_Definition:
The estimated date of arrival to Izembek NWR (Alaska Peninsula) in the fall of 1999. Radio-tagged brant were monitored every 1-4 days during tracking scans from Baldy Mt (supplemented by other ground and aerial tracking surveys). Arrival date was determined as the day of first detection when monitoring was daily or the mean date between the last day of no detection and first day of detection when monitoring was not daily. No arrival date is provided if the day of detection was greater than 4 days since the last scan. Blank cells indicate that the date was not estimated; Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1999-08-27
Range_Domain_Maximum: 1999-10-07
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: no data
Enumerated_Domain_Value_Definition: Insufficient data to assess
Enumerated_Domain_Value_Definition_Source: Author defined
Attribute:
Attribute_Label: IZ_depart_fall1999
Attribute_Definition:
The estimated date of departure from Izembek NWR (Alaska Peninsula), in the fall of 1999. Radio-tagged brant were monitored almost daily by tracking scans from Mt Baldy (October 10 - November 15, 1999). Departure date was determined as the day after the last detection when monitoring was daily or the mean date between the last day of detection and first day of no detection when monitoring was not daily. No departure date is provided if the day of no detection was greater than 2 days since the last scan. Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1999-10-17
Range_Domain_Maximum: 1999-11-10
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: BSQ_arrive_fall1999
Attribute_Definition:
The estimated date of arrival to Bahia de San Quintin (Baja California Peninsula, Mexico), in the fall of 1999. Radio-tagged brant were monitored daily by tracking scans from Mt Ceniza (October 28 – December 15, 1999). Arrival date was determined as the day of first detection when monitoring was daily or the mean date between the last day of no detection and first day of detection when monitoring was not daily. No arrival date is provided if the day of detection was greater than 4 days since the last scan. Blank cells indicate that the date was not estimated; Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1999-10-29
Range_Domain_Maximum: 1999-11-25
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: BSQ_depart_fall1999
Attribute_Definition:
The estimated date of departure from Bahia de San Quintin (Baja California Peninsula, Mexico), in the fall of 1999. Radio-tagged brant were monitored daily by tracking scans from Mt Ceniza (October 28 – December 15, 1999). Departure date was determined as the day after last detection when monitoring was daily or the mean date between the last day of detection and first day of no detection when monitoring was not daily. Blank cells indicate that the date was not estimated; Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1999-10-29
Range_Domain_Maximum: 1999-12-08
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: BSQ_arrive_winter1999-2000
Attribute_Definition:
The estimated date of arrival to Bahia de San Quintin (Baja California Peninsula, Mexico), in the winter of 1999-2000. Radio-tagged brant were monitored daily by tracking scans from Mt Ceniza (December 16, 1999 – February 15, 2000). Arrival date was determined as the day of first detection when monitoring was daily or the mean date between the last day of no detection and first day of detection when monitoring was not daily. Blank cells indicate that the date was not estimated; Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2000-01-05
Range_Domain_Maximum: 2000-02-21
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: BSQ_depart_winter1999-2000
Attribute_Definition:
The estimated date of departure from Bahia de San Quintin (Baja California Peninsula, Mexico), in the winter of 1999-2000. Radio-tagged brant were monitored daily by tracking scans from Mt Ceniza (December 16, 1999 – February 15, 2000). Departure date was determined as the day after last detection when monitoring was daily or the mean date between the last day of detection and first day of no detection when monitoring was not daily. Blank cells indicate that the date was not estimated; Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2000-01-03
Range_Domain_Maximum: 2000-04-12
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: BSQ_arrive_spring2000
Attribute_Definition:
The estimated date of arrival to Bahia de San Quintin (Baja California Peninsula, Mexico), in the spring of 2000. Radio-tagged brant were monitored daily by tracking scans from Mt Ceniza (February 16 - April 13, 2000 and at 3-4 day intervals April 14 - May 4, 2000). Arrival date was determined as the day of first detection when monitoring was daily or the mean date between the last day of no detection and first day of detection when monitoring was not daily. Blank cells indicate that the date was not estimated; Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2000-02-17
Range_Domain_Maximum: 2000-04-15
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: BSQ_depart_spring2000
Attribute_Definition:
The estimated date of departure from Bahia de San Quintin (Baja California Peninsula, Mexico), in the spring of 2000. Radio-tagged brant were monitored daily by tracking scans from Mt Ceniza (February 16 - April 13, 2000, and 3-4 day intervals April 14 - May 4, 2000). Departure date was determined as the day after last detection when monitoring was daily or the mean date between the last day of detection and first day of no detection when monitoring was not daily. Blank cells indicate that the date was not estimated; Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2000-02-17
Range_Domain_Maximum: 2000-05-03
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: HB_arrive_spring2000
Attribute_Definition:
The best estimated date of arrival to Humboldt Bay (California), in the spring of 2000. Radio-tagged brant were monitored daily by tracking scans from a high promontory site or from specific brant sites around the North and South portions of the bay February 20 - April 30, 2000. Arrival date was determined as the day of first detection. Blank cells indicate that the date was not estimated; Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2000-02-20
Range_Domain_Maximum: 2000-03-29
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: HB_depart_spring2000
Attribute_Definition:
The best estimated date of departure from Humboldt Bay (California), in the spring of 2000. Radios were monitored daily by scans from high a promontory site or from specific brant sites around the North and South portions of the bay February 20 - April 30, 2000. The date was estimated as the mean date between the last detected and first not detected. Blank cells indicate that the date was not estimated; Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2000-02-27
Range_Domain_Maximum: 2000-04-14
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: SS_arrive_spring2000
Attribute_Definition:
The best estimated date of arrival to the Salish Sea (northern Washington and southern British Columbia), in the fall of 1999 and spring of 2000. Radio-tagged brant were monitored at 1-6 (mean = 1.1) day intervals by incomplete ground surveys (October 28, 1999 - May 19, 2000) and aerial surveys (March 12, 16, 29, April 4, 19, 26, May 5, 12, 2000). Arrival date was determined as the day of first detection. Blank cells indicate that the date was not estimated; Dead indicates a known mortality.
*note: Two brant (Freq = 7601 and 7974) arrived in the fall 1999 and overwintered in the Salish Sea.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2000-03-10
Range_Domain_Maximum: 2000-05-08
Attribute_Units_of_Measure: Date (YYYY-MM-DD); spring arrival
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1999-11-10
Range_Domain_Maximum: 1999-11-23
Attribute_Units_of_Measure: Date (YYYY-MM-DD); fall arrival
Attribute:
Attribute_Label: SS_depart_spring2000
Attribute_Definition:
The best estimated date of departure from the Salish Sea (Washington and British Columbia), in the spring of 2000. Radios were monitored at 1-6 (mean = 1.1) day intervals by incomplete ground surveys (October 28, 1999 - May 19, 2000) and aerial surveys (March 12, 16, 29, April 4, 19, 26, May 5, 12, 2000). Departure date was determined as the day after last detection. Blank cells indicate that the date was not estimated; Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2000-04-02
Range_Domain_Maximum: 2000-05-15
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: IZ_arrive_spring2000
Attribute_Definition:
The estimated date of arrival to Izembek NWR (Alaska Peninsula), in the spring of 2000. Radio-tagged brant were monitored daily during tracking scans from Mt Baldy (March 31 - May 23, 2000) and aerial surveys (April 26, 28, May 1,2,5,8,9,26, 2000). Arrival date was determined as the day of first detection when monitoring was daily or the mean day between the last day of no detection and first day of detection when monitoring was not daily. Blank cells indicate that the date was not estimated; Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2000-04-10
Range_Domain_Maximum: 2000-05-17
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: IZ_depart_spring2000
Attribute_Definition:
The estimated date of departure from Izembek NWR (Alaska Peninsula), in the spring of 2000. Radio-tagged brant were monitored during tracking scans from Mt Baldy (March 31 - May 25, 2000) and aerial surveys (April 26, 28, May 1,2,5,8,9,26, 2000). No brant were present on the last day of monitoring (June 7, 2000). Departure date was determined as the day after the last detection when monitoring was daily or the mean date between the last day of detection and first day of no detection when monitoring was not daily. Blank cells indicate that the date was not estimated; Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2000-05-06
Range_Domain_Maximum: 2000-05-23
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: NB_arrive_spring2000
Attribute_Definition:
The best estimated date of arrival to Nanvak Bay (Togiak NWR), Alaska, in the spring of 2000. Radios were monitored daily by incomplete ground surveys (May 9-13, 2000) and aerial surveys (May 8, 18, 2000). The date was estimated as the mean date between the last not detected and first detected. Blank cells indicate that the date was not estimated; Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2000-05-08
Range_Domain_Maximum: 2000-05-13
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: NB_depart_spring2000
Attribute_Definition:
The best estimated date of departure from Nanvak Bay (Togiak NWR), in the spring of 2000. Radios were monitored daily by incomplete ground surveys (May 9-13, 2000) and aerial surveys (May 8, 18, 2000). The date was estimated as the mean date between the last detected and first not detected. Blank cells indicate that the date was not estimated; Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2000-05-09
Range_Domain_Maximum: 2000-05-16
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: after 2000-05-18
Enumerated_Domain_Value_Definition: One brant (Freq = 7826) departed after 2000-05-18.
Enumerated_Domain_Value_Definition_Source: Author defined
Attribute:
Attribute_Label: YKD_arrive_spring2000
Attribute_Definition:
The best estimated date of arrival to the breeding areas on the Yukon-Kuskokwim Delta (Yukon Delta NWR), in the spring of 2000. Radios were monitored from towers (May 8 - June 6, 2000; daily May 13-25, 2000) and aerial surveys (May 15, 22, June 6, 2000). Blank cells indicate that the date was not estimated; Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2000-05-15
Range_Domain_Maximum: 2000-06-06
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: IZ_depart_fall2000
Attribute_Definition:
The estimated date of departure from Izembek NWR (Alaska Peninsula), in the fall of 2000. Radio-tagged brant were monitored during tracking scans from Mt Baldy (September 15 - November 29, 2000) and aerial surveys (September 16, 2000). Departure date was determined as the day after the last detection when monitoring was daily or the mean date between the last day of detection and first day of no detection when monitoring was not daily. Blank cells indicate that the date was not estimated; Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2000-10-23
Range_Domain_Maximum: 2000-11-24
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: BSQ_arrive_fall2000
Attribute_Definition:
The best estimated date of arrival to Bahia de San Quintin (Baja California Peninsula, Mexico), in the fall of 2000. Radio-tagged brant were monitored daily by tracking scans from Mt Ceniza (October 29, 2000 - December 18, 2000; December 20, 2000 - January 5, 2001 and 2-3 day intervals until January 23, 2001). Arrival date was determined as the day of first detection when monitoring was daily or the mean day between the last day of no detection and first day of detection when monitoring was not daily. Blank cells indicate that the date was not estimated; Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2000-11-02
Range_Domain_Maximum: 2000-11-29
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: BSQ_depart_fall2000
Attribute_Definition:
The best estimated date of departure from Bahia de San Quintin (Baja California Peninsula, Mexico), in the fall of 2000. Radio-tagged brant were monitored daily by tracking scans from Mt Ceniza (October 29, 2000 - December 18, 2000; December 20, 2000 - January 5, 2001 and 2-3 day intervals until January 23, 2001). Departure date was determined as the day after the last detection when monitoring was daily or the mean date between the last day of detection and first day of no detection when monitoring was not daily. Blank cells indicate that the date was not estimated; Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2000-11-05
Range_Domain_Maximum: 2001-01-23
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: LOL_firstDetection_1999-2000
Attribute_Definition:
Date of first detection in Laguna Ojo de Liebre (Baja California Peninsula, Mexico), in fall 1999 or winter 1999-2000. Radio-tagged brant were monitored infrequently from the ground or boats and coverage was incomplete. An aerial survey of the lagoon was conducted on January 19, 2000. Blank cells indicate that the date was not estimated; Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1999-11-27
Range_Domain_Maximum: 2000-03-02
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: LOL_lastDetection_1999-2000
Attribute_Definition:
Date of last detection in Laguna Ojo de Liebre (Baja California Peninsula, Mexico), in fall 1999 or winter 1999-2000. Radio-tagged brant were monitored infrequently from the ground or boats and coverage was incomplete. An aerial survey of the lagoon was conducted on January 19, 2000. Blank cells indicate that the date was not estimated; Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2000-01-30
Range_Domain_Maximum: 2000-03-11
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: LSI_firstDetection_1999-2000
Attribute_Definition:
Date of first detection in Laguna San Ignacio (Baja California Peninsula, Mexico), in fall 1999 or winter 1999-2000. Radio-tagged brant were monitored infrequently from the ground or boats and coverage was incomplete. Blank cells indicate that the date was not estimated; Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1999-11-11
Range_Domain_Maximum: 2000-01-13
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: LOL_lastDetection_1999-2000
Attribute_Definition:
Date of first detection in Laguna San Ignacio (Baja California Peninsula, Mexico), in fall 1999 or winter 1999-2000. Radio-tagged brant were monitored infrequently from the ground or boats and coverage was incomplete. Blank cells indicate that the date was not estimated; Dead indicates a known mortality.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1999-12-13
Range_Domain_Maximum: 2000-03-03
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Entity_Type:
Entity_Type_Label: blackBrant_radioDetection_baja_1999-2001.csv
Entity_Type_Definition:
Table with detections, from lagoons in Baja California, of VHF radio transmitters attached to brant. Observers scanned through all transmitters and recorded which signals were heard during the scan event. Only records for transmitters that were detected during scan events are provided. Presented in a Comma Separated Value (CSV) formatted table.
Entity_Type_Definition_Source: Author defined
Attribute:
Attribute_Label: Site
Attribute_Definition: Name of the lagoon in Baja California.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: BSQ
Enumerated_Domain_Value_Definition: Bahia de San Quitin (approximately 30.43N 115.97W)
Enumerated_Domain_Value_Definition_Source: Author defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: LOL
Enumerated_Domain_Value_Definition: Laguna Ojo de Liebre (approximately 27.75N 114.25W)
Enumerated_Domain_Value_Definition_Source: Author defined
Attribute_Domain_Values:
Enumerated_Domain:
Enumerated_Domain_Value: LSI
Enumerated_Domain_Value_Definition: Laguna San Ignacio (approximately 26.88N 113.17W)
Enumerated_Domain_Value_Definition_Source: Author defined
Attribute:
Attribute_Label: Year
Attribute_Definition:
Sample year. Identifier of the 'overwintering season': Fall of the previous calendar year; Winter and Spring of calendar year (e.g., 2000 = Oct 1999 - May 2000)
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 2000
Range_Domain_Maximum: 2001
Attribute_Units_of_Measure: Year (YYYY)
Attribute:
Attribute_Label: Freq
Attribute_Definition:
Unique Identifier of the VHF radio tagged brant. The last 4 digits of the transmitter's radio signal frequency. Corresponds with the 'Freq' field in all tables included with this data package. 'None' indicates that no transmitters were detected during the scanning event.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Unrepresentable_Domain: Unique Identifier of the VHF radio tagged brant.
Attribute:
Attribute_Label: Date
Attribute_Definition: Date of the transmitter detection.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 1999-11-28
Range_Domain_Maximum: 2001-01-23
Attribute_Units_of_Measure: Date (YYYY-MM-DD)
Attribute:
Attribute_Label: Time
Attribute_Definition:
Date of the transmitter detection (local time, 24hr)). Blank cells indicate that the time was not recorded.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Range_Domain:
Range_Domain_Minimum: 100
Range_Domain_Maximum: 2220
Attribute_Units_of_Measure: Time (HHMM)
Attribute:
Attribute_Label: Tracking Location
Attribute_Definition:
Local place name or code indicating the general location of the observer when the radio signal was heard. Blank cells indicate that the tracking location was not recorded.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Unrepresentable_Domain:
Local place name or code indicating the general location of the observer when the radio signal was heard.
Attribute:
Attribute_Label: Observer
Attribute_Definition:
Initials of the observer who listened for the radio signal. Blank cells indicate that the observer was not recorded.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Unrepresentable_Domain: Initials of the observer who listened for the radio signal.
Attribute:
Attribute_Label: Brant Location
Attribute_Definition:
Local place name or code indicating generally where the radio signal seemed to be coming from. Location codes are provided in the table "blackBrant_locations_baja.csv" included with this data package. Blank cells indicate that the brant location was not recorded.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Unrepresentable_Domain:
Local place name or code indicating generally where the radio signal seemed to be coming from.
Attribute:
Attribute_Label: Brant Regional Location
Attribute_Definition:
Region within a lagoon where the radio signal seemed to be coming from. Blank cells indicate that the region was not recorded.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Unrepresentable_Domain:
Region within a lagoon where the radio signal seemed to be coming from.
Attribute:
Attribute_Label: Signal Strength
Attribute_Definition:
Subjective indication, from the observer, about the relative strength of the radio signal when it was heard. Blank cells indicate that the signal strength was not recorded.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Unrepresentable_Domain:
Subjective indication, from the observer, about the relative strength of the radio signal when it was heard.
Attribute:
Attribute_Label: Comments
Attribute_Definition: Comments. Blank cells indicate that no comments were recorded.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:
Unrepresentable_Domain: Comments