2,570 results — type: Journal Article

Article

Colorado River Aqueduct System of Southern California

1958Journal AWWADOI: 10.1002/j.1551-8833.1958.tb20655.x
Article

Mechanisms of hummingbird-mediated selection for flower width in <i>Ipomopsis aggregata</i>

1996Ecology
Article

A mitochondrial-DNA-based phylogeny for some evolutionary-genetic model species of <i>Colias</i> butterfly (Lepidoptera, Pieridae)

2008Molecular Phylogenetics and Evolution
Article

Longevity can buffer plant and animal populations against changing climatic uncertainty.

2008Ecology
Article

Unusual Waterbirds in El Paso County, Colorado

1938The AukDOI: 10.2307/4078475
Article

The Proposed Aqueduct from the Colorado River

1927Journal AWWADOI: 10.1002/j.1551-8833.1927.tb12709.x
Article

of low levels of molybdenum in the environment using aquatic insects

1985Bulletin of Environmental Contamination and Toxicology
Article

Enlightenment for mapping systems: solar radiation models look to the sun for answers

2000Resource Magazine
Article

Microgeographic patterns of genetic divergence and adaptation across environmental gradients in <i>Boechera stricta</i>(Brassicaceae)

2015The American Naturalist
Article

Pollination efficiency and effectiveness of bumblebees and hummingbirds visiting Delphinium nelsonii

1990Collectanea Botanica (Barcelona)
Article

The Boechera model system for evolutionary ecology

2022American Journal of Botany
Article

The ant and the sunflower

1984Natural History
Article

Bumblebee foraging: energetic consequences of using a threshold departure rule

1985Ecology
Article

Genetic distances and taxonomy of checkerspot butterflies (Nymphalidae: Nymphalinae)

1985Journal of the Kansas Entomological Society
Article

Pollination of <i>Ipomopsis aggregata</i> (Polemoniacea): Effects of Intra-vs. Interspecific competition

1999American Journal of Botany
Article

The role of urine marking in the foraging behavior of least chipmunks

1999Animal Behaviour
Article

Hummingbird foraging on artificial inflorescences

1981Behaviour Analysis Letters
Article

Territorial intrusions by pikas (<i>Ochotona princeps</i>) as a function of occupant activity

1986Animal Behaviour
Article

The evolution of functionally referential alarm communication: multiple adaptations; multiple constraints

1999Evolution of Communication
Article

Depth of nutrient uptake by deep-rooted plants is regulated by water availability

2026PNASDOI: 10.1073/pnas.2528407123