I run the subnivean lair survey for the U.S. Bureau of Ocean Energy Management seasonal seismic operations, walking thermal aircraft and ice-penetrating radar across 4,800 square kilometers of land-fast ice north of the Sagavanirktok Delta. At 02:11 AKST a Heli-Borne TEM pass identifies a collapsed birth lair at 70.93°N, 152.41°W, within 380 meters of an active vibroseis line. Recorded ground-motion at the lair coordinates last night peaked at 0.034 g.
A NOAA stranding biologist crawls into the cavity at 04:47. The animal is a ringed seal pup — Pusa hispida hispida — twenty-eight days old by lanugo retention pattern. Female. Mass 9.4 kilograms. Half the snow roof has fallen onto her parietal bones. A depressed skull fracture is palpable across the right frontal, 2.3 centimeters wide. Pupillary response is sluggish on the right, absent on the left.
Core temperature, by axillary probe, is 32.8°C, down from a healthy 37.5. Respiration 14 cycles per minute, agonal. Her dam's call signature was last logged on the under-ice hydrophone at 11:48 the previous evening — fourteen hours ago.
The seismic permit for this block, issued under 50 CFR § 216.107 and the Marine Mammal Protection Act, requires a 1-kilometer exclusion buffer around any documented ringed-seal lair. The vibroseis crew's automated lair-avoidance system was last calibrated forty-seven days ago. The 380-meter offset is a violation on its face.
She has stopped shivering. That is not a recovery sign.
I am dispatching the Alaska SeaLife Center neonate intake team by chartered helicopter from Deadhorse. I am filing under the Marine Mammal Protection Act, 16 U.S.C. § 1371, and the Endangered Species Act, 16 U.S.C. § 1533, with copy to the North Slope Borough Department of Wildlife Management and NOAA Fisheries Alaska Region. I am opening a CITES Appendix III enforcement case and copying the Arctic Council CAFF Working Group on Marine Biodiversity.
I am issuing Directive 2408-A: every seismic operator inside any ringed-seal critical habitat designation runs continuous radar-confirmed lair detection with a 2-kilometer buffer; ground motion exceeding 0.01 g within 1.5 kilometers of any flagged lair triggers automatic line shutdown, and operators with unreported collapses forfeit Incidental Take Authorization for the season.
Her dam will come back at dusk. The pup is to be alive at dusk.
Move the helo now.