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Transcription
Beaver
1967
Alaska
Journal.33
30 June (cont.)
1300(cont) of the emergence traps to see if the traps effect the
microenvironment as far as temperature goes. I made
string catches on the doors of the traps while Steve
prepared his Vangel foot traps which will have to
change to day also. I decided to place three
traps at the Beach Ridge Vangel foot trap site,
and three at the Beach Ridge (Central Marsh) trap site.
1505 The traps here at Beach Ridge are set out. I called
this line # 1, and the traps on # 1, 2 and #3 running
from S. to N. The traps were numbered on the top piece.
I took several photos of the traps and also of
the max-min thermometers. The first reading of
these, after having been in there positions for
about 15 minutes was 38°F inside, and 38°F
outside. The Thermometers are mounted about 2-3'
above ground on a cardboard shield.
Thermometer
under here
suspended by strings this distance from ground to the
thermometer is 2-3 inches.
After picking up the 6 Vangel foot
traps, we proceeded to Central Marsh - Beach
Ridge Vangel foot site to set out line #2 - traps
#1, 2, and #3. On the way, Steve shot 2
golden flowers. At the Vangel foot traps,
I set one emergence trap out in the
marsh in standing water. The next one on the