Field notes, v1382
Page 265
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
E.L. Karlsten 1954 Bulfer conusa (13) May 26 Kaiser Park meadows, 8000 ft., Fresno Co., Calif. air temp. 1" above wet grass, dull stable, 12.4 C. 6:05 P.M. (D.S.) water temp. taken 4' from pool's edge, 2" below pool's surface. meadow grasses average 1 1/2" inches tall with range 0-5". the overall meadow appears 1/3 greened out. The Salix lacks leaves but catkins are burnt and shedding pollen. leaf buds have appeared. water temp. 1" below surface of main stem, moving water, 6.20 C. at 6:23 P.M. (D.S.) Average width and depth of main stem is 16' wide, 15" deep. the banks are steep sided. The meadow is sandy loam. Trees and willows have been felled by the stream action. At the lower end (SW) of the meadow the stream cascades in very swift bursts through the pine forest. Rodent burrows are numerous in the soft meadow soil. Erosion here is evidenced by numerous cattle pies. Robins and white-crowned sparrows seen in meadow. Riva drylei adults at SW end along stem. Hydra most concentrated SW side of meadow in cattails, melt pools and slow-moving surface rivulets. At 6:23 P.M. (D.S.) I came upon 2 Bulfer conusa females in shallow run-off pool 30 yards from SW edge of meadow. Water 2" deep here. Both are remaining still 4' away while I write, clerical 14.2 C., water where she sat 13.5 C. Air 1" above water 8.5 C. I now see eggs spread over the grassy slightly silty bottom about 2" from where the female