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2,570 results — type: Journal Article

Article

Field techniques for investigations of population structure in a "ubiquitous" butterfly

1971Journal of the Lepidopterists' Society
Article

Barriers to gene flow in natural populations of grasshoppers. II. Maintenance of narrow hybrid-zones between morphs of Arphia conspersa on Black Mesa, Colorado

1971Psyche
Article

Is early life adversity associated with adult stress in a wild rodent?

The period before sexual maturity is a sensitive life stage where most development and change occur. Studies in humans and other animals show that early adverse experiences contribute to poor health and survival. However, the mechanisms are still unclear. Some have found that early life adversity (E

2025Ecology and EvolutionDOI: 10.1002/ece3.71065
Article

New Record of Banana Yucca Leafminer, Prodoxus phylloryctus1 in Mesa County, Colorado

Una polilla minadora de Yucca baccata, Prodoxus phylloryctus (Wagner y Powell), fue documentada por primera vez en el condado Mesa, Colorado. Prodoxus phylloryctus recientemente recibió el nombre común de minador de hojas de Yucca baccata por parte de la Sociedad Entomológica de América. La primera

2024Southwestern EntomologistDOI: 10.3958/059.049.0137
Article

Outcrossing distance effects in <i>Delphinium nelsonii</i>: pollen loads, pollen tubes, and seed set

1991Ecology
Article

Can microbial species with a cosmopolitan distribution become extinct?

1991Speculations in Science and Technology
Article

A profile of persistence: territorial hummingbirds

1991National Geographic Research and Exploration
Article

Determinants of spatial distribution in a population of the subalpine butterfly <i>Oeneis chryxus</i>

1991Oecologia
Article

Seasonal changes in CSF insulin concentrations in marmots: insulin may not be the satiety signal for fasting in winter

1991American Journal of Physiology
Article

The use of community- and ecosystem-level end points in environmental hazard assessment: a scientific and regulatory evaluation

1991Environmental Auditor
Article

Contest behaviour in Weidemeyers admiral butterfly <i>Limenitis weidemeyerii</i>(Nymphalidae): the effect of size and residency

1991Animal Behaviour
Article

The adaptive significance of sexual reproduction in plants

1990Lectures on Mathematics in Life Sciences
Article

Hematological adaptation to Hypoxia in Peromyscus and Microtus at high and low altitude.

1990Transactions of the Illinois Academy of Science
Article

The broad-tailed Humming bird; a long-term study at Rmbl

1989Cooper Ornithological society
Article

Implications of recapture data for migration of the rufous hummingbird (Selasphorus rufus) in the Rocky Mountains

1989Auk
Article

Behavior of territorial <i>(Limenitis weidemeyerii </i>(Nymphalidae) within temporary feeding areas

1989J.Lep.Soc.
Article

Deployment of ovules and pollen among flowers with inflorescences

1989Evolutionary Trends in Plants
Article

Diel epibenthic activity of mayfly nymphs, and its non-concordance with behavioral drift

1986Limnology and Oceanography
Article

Flight direction in some Rocky Mountain mayflies, with observations of parasitism

1987Aquatic Insects
Article

The use of the stonefly, Pteronarcys californica Newport, as a measure of biologically available cadmium in a high altitude river system, Colorado, USA

1986Water Quality Bulletin, World Health Organization