Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Holmes,R.
1961
Insect Sampling
3.
15 June Barrow, Alaska
Sod & Pond Samples taken between 1300 & 1500.
Pond E - temp at 4°C
F - " at 5°C
Pond I - 50x20' - sphagnum sedge
Crr - 5°C
Pond I - 40x30' - round & deep with
sharp drop off - edge covered with
moss & sedge.
18 June Barrow, Alaska
Samples taken during the early afternoon.
Pond A - shrunk - now 15x15' - 6.8°C
- pfr at 6"
P-B - 20x15' - 7.2°C pfr at 4"
P-C - no ice - same size - 7.0°C
P-D - now broken into 2 ponds - So. pond is
being sampled - 40x30' - no ice (still
20% ice in N. pond). Temp = 6°C
P-E - shrunk by 1' - 6.8°C - pfr at 4"
Sod A - pfr at 2"
B - " 5"
C - " 3"
D - " 3"