Table 1:
Skin cortisol concentration (in nanograms per gram dry weight) as measured in skin samples from harbour porpoises (Phocoena phocoena)
| ID no. | Sex | Standard length (cm) | Date (circumstance) | Sample type | Sample location | Sample wet weight (mg) | Sample dry weight (mg) | Water content (%) | Cortisol concentration (ng/g dw) |
|---|---|---|---|---|---|---|---|---|---|
| 43720 | Female | 117 | February 2011 (bycaught in gill net, dead) | Skin plate | Right | 900 | 306 | 66 | 13.0 ± 1.5a |
| Plugs (clean) | Right 1 | 91 | 49 | 46 | 2.1 | ||||
| Right 2 + 3 | 164 | 111 | 32 | 2.2 | |||||
| Plugs (with lidocaine) | Left 1 | 87 | 66 | 24 | LODb | ||||
| Left 2 + 3 | 174 | 97 | 44 | 4.7 | |||||
| 43721 | Female | 154 | August 2010 (bycaught in gill net, dead) | Skin plate | Right | 670 | 268 | 60 | 2.6 |
| Plugs (clean) | Right 1 | 71 | 64 | 10 | 70.1 | ||||
| Right 2 + 3 | 162 | 106 | 35 | 57.7 | |||||
| Plugs (with lidocaine) | Left 1 | 50 | 34 | 32 | LODb | ||||
| Left 2 + 3 | 132 | 99 | 25 | 77.7 | |||||
| 47501 | Male | 151 | April 2012 (bycaught in pound net, alive) | Scraper | Right | 701 | 89 | 87 | 0.6 |
| Left | 869 | 112 | 87 | NAc | |||||
| 2012/60022 | Male | 144 | August 2012 (bycaught in pound net, alive) | Scraper | Right | 414 | 72 | 83 | 15 |
| Left | 629 | 96 | 85 | 2 |
Abbreviations: dw, dry weight; LOD, limit of detection; NA, not available. a±1.5 corresponds to 11.6% (relative standard deviation). bSignal-to-noise ratio <3. cMissing internal standard.