Asselin, Natalie C; Barber, David G; Stirling, Ian; Ferguson, Steven H; Richard, Pierre R (2011): (Table 2) Expected and observed beluga (Delphinapterus leucas) sightings according to habitat characteristics [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.807110, In supplement to: Asselin, NC et al. (2011): Beluga (Delphinapterus leucas) habitat selection in the eastern Beaufort Sea in spring, 1975-1979. Polar Biology, 34(12), 1973-1988, https://doi.org/10.1007/s00300-011-0990-5
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Coverage:
Latitude: 70.600000 * Longitude: -130.000000
Date/Time Start: 1975-06-01T00:00:00 * Date/Time End: 1979-06-01T00:00:00
Minimum Elevation: 1975.0 m * Maximum Elevation: 1979.0 m
Event(s):
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Category | Cat | Asselin, Natalie C | |||
| 2 | Parameter | Parameter | Asselin, Natalie C | |||
| 3 | DATE/TIME | Date/Time | Geocode | |||
| 4 | Sample amount | N | # | Asselin, Natalie C | no. of sample periods (effort) | |
| 5 | Delphinapterus leucas | D. leucas | # | Asselin, Natalie C | Aerial survey | belugas observed |
| 6 | Delphinapterus leucas | D. leucas | # | Asselin, Natalie C | expected | belugas expected |
| 7 | Sample comment | Sample comment | Asselin, Natalie C |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
434 data points
Data
| 1 Cat | 2 Parameter | 3 Date/Time | 4 N [#] (no. of sample periods (effort)) | 5 D. leucas [#] (belugas observed, Aerial survey) | 6 D. leucas [#] (belugas expected, expected) | 7 Sample comment |
|---|---|---|---|---|---|---|
| Ice class | Open water/Light (0/10-1/10) | 1975-06 | 90 | 2 | 53 | |
| Ice class | Open water/Light (0/10-1/10) | 1976-06 | 167 | 0 | 40 | |
| Ice class | Open water/Light (0/10-1/10) | 1977-06 | 360 | 41 | 52 | |
| Ice class | Open water/Light (0/10-1/10) | 1978-06 | 36 | 0 | 5 | |
| Ice class | Open water/Light (0/10-1/10) | 1979-06 | 317 | 18 | 54 | significantly less than expected |
| Ice class | Light/Moderate (2/10-4/10) | 1975-06 | 2 | 0 | 1 | |
| Ice class | Light/Moderate (2/10-4/10) | 1976-06 | 113 | 14 | 27 | significantly less than expected |
| Ice class | Light/Moderate (2/10-4/10) | 1977-06 | 37 | 4 | 5 | |
| Ice class | Light/Moderate (2/10-4/10) | 1979-06 | 42 | 6 | 7 | |
| Ice class | Moderate/heavy (5/10-7/10) | 1975-06 | 33 | 0 | 20 | |
| Ice class | Moderate/heavy (5/10-7/10) | 1976-06 | 53 | 1 | 13 | |
| Ice class | Moderate/heavy (5/10-7/10) | 1977-06 | 8 | 0 | 1 | |
| Ice class | Moderate/heavy (5/10-7/10) | 1978-06 | 4 | 0 | 1 | |
| Ice class | Moderate/heavy (5/10-7/10) | 1979-06 | 47 | 23 | 8 | significantly more than expected |
| Ice class | Heavy (8/10-10/10) | 1975-06 | 485 | 360 | 288 | significantly more than expected |
| Ice class | Heavy (8/10-10/10) | 1976-06 | 847 | 268 | 203 | significantly more than expected |
| Ice class | Heavy (8/10-10/10) | 1977-06 | 809 | 131 | 117 | |
| Ice class | Heavy (8/10-10/10) | 1978-06 | 1049 | 141 | 136 | |
| Ice class | Heavy (8/10-10/10) | 1979-06 | 419 | 93 | 71 | significantly more than expected |
| Dominant ice type | First year | 1975-06 | 516 | 360 | 306 | significantly more than expected |
| Dominant ice type | First year | 1976-06 | 380 | 110 | 91 | |
| Dominant ice type | First year | 1977-06 | 835 | 134 | 121 | |
| Dominant ice type | First year | 1978-06 | 859 | 114 | 111 | |
| Dominant ice type | First year | 1979-06 | 434 | 89 | 74 | significantly more than expected |
| Dominant ice type | Old | 1975-06 | 4 | 0 | 2 | |
| Dominant ice type | Old | 1976-06 | 633 | 173 | 152 | significantly more than expected |
| Dominant ice type | Old | 1977-06 | 19 | 1 | 3 | |
| Dominant ice type | Old | 1978-06 | 194 | 27 | 25 | |
| Dominant ice type | Old | 1979-06 | 74 | 33 | 13 | significantly more than expected |
| Dominant ice type | Open water | 1975-06 | 90 | 2 | 53 | |
| Dominant ice type | Open water | 1976-06 | 167 | 0 | 40 | |
| Dominant ice type | Open water | 1977-06 | 360 | 41 | 52 | |
| Dominant ice type | Open water | 1978-06 | 36 | 0 | 5 | |
| Dominant ice type | Open water | 1979-06 | 317 | 18 | 54 | significantly less than expected |
| Depth | 0-50 m | 1975-06 | 251 | 48 | 149 | significantly less than expected |
| Depth | 0-50 m | 1976-06 | 387 | 16 | 93 | significantly less than expected |
| Depth | 0-50 m | 1977-06 | 401 | 5 | 58 | significantly less than expected |
| Depth | 0-50 m | 1978-06 | 341 | 1 | 44 | |
| Depth | 0-50 m | 1979-06 | 281 | 12 | 48 | significantly less than expected |
| Depth | 50-200 m | 1975-06 | 162 | 101 | 96 | |
| Depth | 50-200 m | 1976-06 | 333 | 53 | 80 | significantly less than expected |
| Depth | 50-200 m | 1977-06 | 333 | 49 | 48 | |
| Depth | 50-200 m | 1978-06 | 297 | 9 | 38 | significantly less than expected |
| Depth | 50-200 m | 1979-06 | 247 | 28 | 42 | significantly less than expected |
| Depth | 200-500 m | 1975-06 | 147 | 200 | 87 | significantly more than expected |
| Depth | 200-500 m | 1976-06 | 369 | 201 | 88 | significantly more than expected |
| Depth | 200-500 m | 1977-06 | 385 | 119 | 56 | significantly more than expected |
| Depth | 200-500 m | 1978-06 | 359 | 107 | 46 | significantly more than expected |
| Depth | 200-500 m | 1979-06 | 222 | 99 | 38 | significantly more than expected |
| Depth | 500-2,400 m | 1975-06 | 50 | 13 | 30 | significantly less than expected |
| Depth | 500-2,400 m | 1976-06 | 91 | 13 | 22 | |
| Depth | 500-2,400 m | 1977-06 | 95 | 3 | 14 | |
| Depth | 500-2,400 m | 1978-06 | 92 | 24 | 12 | significantly more than expected |
| Depth | 500-2,400 m | 1979-06 | 75 | 1 | 13 | |
| Ice/Depth | Category 1 | 1975-06 | 117 | 198 | 69 | significantly more than expected |
| Ice/Depth | Category 1 | 1976-06 | 229 | 196 | 55 | significantly more than expected |
| Ice/Depth | Category 1 | 1977-06 | 258 | 105 | 37 | significantly more than expected |
| Ice/Depth | Category 1 | 1978-06 | 356 | 113 | 46 | significantly more than expected |
| Ice/Depth | Category 1 | 1979-06 | 161 | 68 | 27 | significantly more than expected |
| Ice/Depth | Category 2 | 1975-06 | 31 | 2 | 18 | |
| Ice/Depth | Category 2 | 1976-06 | 139 | 5 | 33 | significantly less than expected |
| Ice/Depth | Category 2 | 1977-06 | 128 | 14 | 19 | |
| Ice/Depth | Category 2 | 1978-06 | 7 | 0 | 1 | |
| Ice/Depth | Category 2 | 1979-06 | 61 | 31 | 10 | significantly more than expected |
| Ice/Depth | Category 3 | 1975-06 | 368 | 162 | 218 | significantly less than expected |
| Ice/Depth | Category 3 | 1976-06 | 618 | 72 | 148 | significantly less than expected |
| Ice/Depth | Category 3 | 1977-06 | 551 | 26 | 80 | significantly less than expected |
| Ice/Depth | Category 3 | 1978-06 | 693 | 28 | 90 | significantly less than expected |
| Ice/Depth | Category 3 | 1979-06 | 258 | 25 | 44 | significantly less than expected |
| Ice/Depth | Category 4 | 1975-06 | 94 | 0 | 56 | |
| Ice/Depth | Category 4 | 1976-06 | 194 | 10 | 47 | significantly less than expected |
| Ice/Depth | Category 4 | 1977-06 | 277 | 31 | 40 | |
| Ice/Depth | Category 4 | 1978-06 | 33 | 0 | 4 | |
| Ice/Depth | Category 4 | 1979-06 | 345 | 16 | 59 | significantly less than expected |
| Total | Total | 1975-06 | 610 | 362 | 362 | |
| Total | Total | 1976-06 | 1180 | 283 | 283 | |
| Total | Total | 1977-06 | 1214 | 176 | 176 | |
| Total | Total | 1978-06 | 1089 | 141 | 141 | |
| Total | Total | 1979-06 | 825 | 140 | 140 |