Field notes, v569
Page 21
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Cogswell 1950 "Journal" 3 Big Bend Camp Ground (cont.) VISITS: June 17, 30 (twice); July 28; Aug. 11. Boca Reservoir, E. of, 5560-5600 ft., N of village of Boca (mouth of Little Truckee River), eastern Nevada Co., Calif. -- most of our time was spent in Secs. 15 & 16, T 18 N, R 17 E. VEG. TYPES: Great Basin sagebrush formation (Artemisia tridentata, Purshia tridentata, Chryso- thamnus nauseosa, various sub-shrubs & sparse herbs); grassland (in moist swale near head of E. arm of reservoir); arid conifer forest (Pinus ponderosa jeffreyi, Artemisia tridentata, etc., the trees being of moderately open spacing); open water of reservoir (built within last 15 years). VISITS: June 22, 28; July 10 (stop also at Union Mills on Truckee River ENE Truckee); July 24; Aug. 7. Camp Pahatsi, 6680 ft., 5 mi. W Donner Pass, near Nevada & Placer Cos. line, Calif. -- A Boy Scout camp situated near N brink of glaciated plateau which is liberally strewn with erratic boulders; S.P.RR. & South Fork of Yuba River in canyon N of it. VEG. TYPES: sparse conifer forest (Pinus murray- ana, Pinus ponderosa jeffreyi, Abies magnifica) with scattered clumps of shrubs between (Quercus vaccini- folium, Arctostaphylos nevadensis, Spiraea, etc.); small pond with heather & Labrador tea abundant near it; much open rocky ground in sparser forest areas. VISIT: July 22 ( similar area, with small "lily pond", about 3/4 mi. S of here visited briefly on July 3 -- NW Palisade Lake). Camp Spaulding, 1/3 mi. S of, 5200 ft., along State Route 20, Nevada Co., Calif. -- in extreme S. mid- part of Sec. 21, R 12 E, T 17 N. VEG. TYPES: small area of tall dense conifer forest (Abies concolor Libocedrus decurrens, Pseudotsuga taxifolia, Pinus ponderosa, Pinus lambertiana) with fairly dense under- story near the road (Cornus nuttallii, Ceanothus int- egerrimus, Ceanothus cordulatus, Rubus parviflorus, etc.); cleared areas now regrowing to Sambucus caer- ulea, Acer macrophyllum, Quercus kelloggii, etc. are mentioned in notes on some species -- these are with- in 1 mi. or so to west or east of this dense forest. VISITS: June 23; July 7 (plus passed by in cars on all other visits to Bear Valley (see above)