Heide-Jørgensen, Mads Peter; Laidre, Kristin L; Burt, M L; Borchers, D L; Marques, Tiago A; Hansen, R G; Rasmussen, M; Fossette, S (2010): (Table 1) Time at surface collected from 2 female narwhals (Monodon monoceros) in Melville Bay [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.811010, In supplement to: Heide-Jørgensen, MP et al. (2010): Abundance of narwhals (Monodon monoceros) on the hunting grounds in Greenland. Journal of Mammalogy, 91(5), 1135-1151, https://doi.org/10.1644/09-MAMM-A-198.1
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Coverage:
Latitude: 75.870100 * Longitude: -60.807700
Date/Time Start: 2007-08-15T00:00:00 * Date/Time End: 2008-08-15T00:00:00
Event(s):
Comment:
Monthly averages are calculated from daily averages on the basis of 24-hour recordings of the fraction of time spent at >2 m depth.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Identification | ID | Heide-Jørgensen, Mads Peter | of individual/sensor | ||
| 2 | Monodon monoceros, total length | M. monoceros TL | cm | Heide-Jørgensen, Mads Peter | ||
| 3 | DATE/TIME | Date/Time | Geocode | |||
| 4 | Duration, number of days | Duration | days | Heide-Jørgensen, Mads Peter | ||
| 5 | Monodon monoceros, time at surface, fraction | M. monoceros surf time | Heide-Jørgensen, Mads Peter | all day average | ||
| 6 | Monodon monoceros, standard deviation | M. monoceros std dev | ± | Heide-Jørgensen, Mads Peter | all day surfacing time | |
| 7 | Monodon monoceros, time at surface, fraction | M. monoceros surf time | Heide-Jørgensen, Mads Peter | daytime average | ||
| 8 | Monodon monoceros, standard deviation | M. monoceros std dev | ± | Heide-Jørgensen, Mads Peter | daytime surfacing time |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
119 data points
Data
| 1 ID (of individual/sensor) | 2 M. monoceros TL [cm] | 3 Date/Time | 4 Duration [days] | 5 M. monoceros surf time (all day average) | 6 M. monoceros std dev [±] (all day surfacing time) | 7 M. monoceros surf time (daytime average) | 8 M. monoceros std dev [±] (daytime surfacing time) |
|---|---|---|---|---|---|---|---|
| 20162 | 420 | 2007-09 | 24 | 0.22 | 1.51 | 0.23 | 1.37 |
| 20162 | 420 | 2007-10 | 26 | 0.23 | 1.17 | 0.24 | 0.90 |
| 20162 | 420 | 2007-11 | 29 | 0.18 | 0.86 | 0.18 | 0.75 |
| 20162 | 420 | 2007-12 | 27 | 0.19 | 0.85 | 0.19 | 0.85 |
| 20162 | 420 | 2008-01 | 30 | 0.16 | 0.87 | 0.17 | 0.89 |
| 20162 | 420 | 2008-02 | 16 | 0.16 | 1.30 | 0.16 | 1.53 |
| 20162 | 420 | 2008-03 | 24 | 0.17 | 1.18 | 0.18 | 1.21 |
| 20162 | 420 | 2008-04 | 26 | 0.19 | 1.00 | 0.20 | 0.78 |
| 20162 | 420 | 2008-05 | 31 | 0.20 | 1.42 | 0.20 | 1.27 |
| 20162 | 420 | 2008-06 | 28 | 0.16 | 1.10 | 0.16 | 1.07 |
| 20162 | 420 | 2008-07 | 31 | 0.13 | 1.10 | 0.13 | 1.12 |
| 20162 | 420 | 2008-08 | 31 | 0.16 | 1.04 | 0.15 | 0.88 |
| 10946 | 390 | 2007-08 | 2 | 0.25 | 4.87 | 0.25 | 3.87 |
| 10946 | 390 | 2007-09 | 30 | 0.20 | 1.40 | 0.20 | 1.40 |
| 10946 | 390 | 2007-10 | 30 | 0.21 | 1.20 | 0.21 | 0.97 |
| 10946 | 390 | 2007-11 | 29 | 0.20 | 1.08 | 0.20 | 1.24 |
| 10946 | 390 | 2007-12 | 29 | 0.17 | 0.80 | 0.17 | 0.76 |