7,660 results ·
Visual and acoustical social displays by the grasshopper Arphia conspersa (Orthoptera: Acrididae)
Adaptive significance of pigment polymorphism in Colias butterflies. II. Thermoregulation and photoperiodically controlled melanin variation in Colias eurytheme
Radio tracking of dispersing yellow-bellied marmots
Home range and longevity in Zapus princeps in Colorado
Ecology of aspen in Gunnison County, Colorado
The ecology of quaking aspen was studied in Gunnison County, Colorado. In the study area, aspen stands often take the form of small islands surrounded by fescue grasslands. At its upper altitudinal limits, aspen generally abuts the spruce-fir forest. The greatest number of trees were 4- to 7-in DBH
A change in status of Lupinus homicola var. tetonensis
Habitat of Pocket Gophers in Cochetopa Creek Drainage, Colorado
Comparisons were made between some characteristics of soils and vegetation for sites supporting Thomomys talpoides and for adjacent sites not occupied by these pocket gophers in alpine, subalpine and shrub-grassland habitats in the Cochetopa Creek drainage, Colorado. Different species of bluegrasses
New County Records in the Herpetofauna of Colorado
Brandon Field, Kiowa County, Colorado
ABSTRACT: Brandon field, first commercial Mississippian oil production in Colorado, located in Kiowa County in southeastcrn Colorado, was discovered in August, 1965. Initial completion was madc in carbonate rocks of the Osagcan Series (Mississlppian) at a depth of 4770 fect. The twentyfour producing
The Colorado River International Boundary
Water resource development in the Arkansas Valley
o c i e t y ^" P o rk L overs Are No C r e d it to Our D em ocracy," Life, LV (S ep te m b er 6 , 1 9 6 3 ), I4., * Ib id .
