Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
cgg
67-1
Trap Depth (ft.) Number Captured Measurements
Ia 3 0 23mm
Ib 12 0 20
Ic 18 2 14
Id 21 4 16
Total 6 17
20
Observations:
Total trapped = 13
No O2 taken - instructions not in kit.
CO2 - 6.0 ppm
pH - 8.15 (not adjusted)
Temperature - taken but probably inaccurate
(telethermometer)
1100 hrs - Air Temp. = 82°F. (shade)
Water Temp. - Surface & 2' Depth = 91.5°F.
10' Depth = 94°F.