2,570 results — type: Journal Article
How do grazers affect periphyton heterogeneity in streams?
<i>The Economic Basis of Tax Reform</i>. By Harry Gunnison Brown.
Male body size and mating success in swarms of the mayfly <i>Epeorus longimanus</i>
Sodium, potassium and chloride in floral nectars: energy-free contributions to refractive index and salt-balance
Patch dynamics of <i>Glaucopsyche lygdamus</i> (Lycaenidae): correlations between butterfly density and host species diversity
<i>Microbial Processes in Reservoirs. Developments in Hydrobiology, Volume 27.</i>Douglas Gunnison , H. J. Dumont
Adaptive significance of Ipomopsis aggregata nectar production: observation and experiment in the field
Use of dipper nest by mountain bluebirds
<i>Fiscal Policy, Taxation and Free Enterprise</i>. Harry Gunnison Brown
Unraveling the ecological and evolutionary impacts of a plant invader on the pollination of a native plant
The results show how the presence of an invasive plant and year-to-year variation in plant-pollinator interactions affect the pollination and components of pollinator-mediated selection in native plants.
Irish Potato, Colorado Potato Beetle Control, Carteret County, 1979
Abstract 'Pungo' Irish potatoes were planted on Mar 24, near Beaufort, NC. Single row plots 25-ft long were replicated 4 times in a randomized complete block design with 5-ft alleys between replications. Pretreatment counts of Colorado potato beetle were made by examining 3 plants/plot and recording
<i>International Trade and Exchange</i>. Harry Gunnison Brown
Shorter seasonal snow cover poses a risk to solitary bee populations in a mountainous ecosystem
Variation in frequency of hybrids and spatial structure among <i>Ipomopsis (Polemoniaceae)</i> contact sites
The effect of molt on oxygen consumption of yellow-bellied marmots (Marmot flaviventris)
Pattern and variation of the time budget of yellow-bellied marmots
We measured the time budgets of yellow-bellied marmots to determine what constraints limited energy acquisition and whether trade-offs occurred among the behaviors. Therefore, we focus on which behaviors form a consistent pattern among marmot populations, the degree of phenotypic plasticity in the t
Scent-marking by yellow-bellied marmots
The Colorado River International Boundary
Test Excavations at Site 41CD56 Colorado County, Texas
Site 41CD56 is an aboriginal site located on Crier Creek in northwestern Colorado County, Texas. Testing in October, 1983, revealed that moderate amounts of thermally altered chert/quartzite and lithic debitage were contained in sandy deposits varying from 20 to 110 cm in depth. Two burned rock accu
Spring Control of Cooley Spruce Gall Adelgid on Colorado Blue Spruce in Berks County, 1988
Abstract Fourteen treatments were applied to evaluate Cooley spruce gall adelgid on heavily infested 5-6-ft Colorado blue spruce Christmas trees. Each treatment was applied on 6 Apr to 4-tree replicates. Foliar treatments were completed by using a Solo Master 412 mistblower. Treatments were applied