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 - Ikravik
13 June Ikravik, Alaska
Sod Samples were taken as before, & are
described briefly with the other-plots.
Pond Samples. Again 5 fundm ponds + 5
lowland ponds were picked.
Pond I-A. 40x20', deep, edge covered
with grass and sedge. Pfr at 2". Temp 8.8°C
Pond I-B - 50x40' - deep, covered by 70%
sie. - mossy edge - Temp 8°C. Pfr = 2"
Pond I-C. 100x100' - mud bottom, except
for edge which is mossy-sedge. Temp =
9.5°C. - 50% ice Pfr at 4"
Pond I-D. (Luanigan pond) - 300x100' - sedge
covered. 9.6°C - Pfr = 3"
Pond I-E (at stake 0.4) - 40x50'. Sedge-
mud - shallow. Temp at 11.8°C, Pfr = 3"
Pond I-F. (NE. otwarigan) - 100x40' - deep
with grass + moss edge. Temp at 8°C.
Pfr at 3".