1,559 results — type: Student Paper
There's no place like home: Investigating the ideal nesting requirements of Megachilidae bees in the Rocky Mountains of Colorado
Solitary mason bees in the family Megachilidae are known to be important pollinators worldwide. They are important pollinators of natural ecosystems and also are widely used for the commercial pollination of crop plants such as almonds, cherries, peaches, plums, and apples. Given that they are such
Willow branch selection by the red-naped sapsucker (<i>Sphyrapicus nuchalis</i>): The effects of branch characteristics on foraging behavior in Gothic, CO
Foraging Red-naped sapsuckers (Sphyrapicus nuchalis) displayed a clear preference for interior willow branches branches (80% of all total wells) over exterior branches, and for east-facing branches (62% of all total wells) over west-facing ones. Interior branches were most likely favored because of
A comparison of behavior in two marmot populations
Fitness costs of the aphid endosymbiont, <i>Hamiltonella defensa</i>
Black sage aphids, Obtusicauda frigidae, are infected by the bacterial endosymbiont Hamiltonella defensa. The bacteria confers a resistance to parasitism by the solitary endoparastic wasp Aphidius ervi. The bacteria also confers a number of other advantages to the aphids. Despite the number of advan
Effects of multi-species interactions in gynodioecious populations of <i>Polemonium foliosissimum</i>
Gynodioecy is a dimorphic breeding system in which male sterile individuals coexist with hermaphroditic individuals in the same populations. In order for female plants to be maintained within these populations, considering that they do not achieve fitness through male function, they must have a fitn
Local Adaptations and Fitness of Transplants in the Lewis Flax – Flax Rust Coevolutionary System
Disease progresses differently in varying environments. In coevolutionary interactions, species that interact frequently may adapt to their environment and to each other in a process called local adaptation. However, there may be trade-offs between adapting to the environment and to a coevolving par
Hybridization between the invasives <i>Tragopogon pratensis</i> and <i>T. dubius</i> in the Gunnison Valley
Dissolved iron stimulates uptake of organic phosphorus by <i>Didymosphenia geminata</i>
Recent blooms of Didymosphenia geminata in streams around the world where they had never been recorded before has generated new interest in the biology and ecology of this diatom. The species is often found in oligotrophic mountain streams where phosphorus limitation may determine productivity. Exce
Stimulation of territorial aggression in the dipper; Age determination of the nestling dipper
A comparison of two ponds at Mexican Cut
The influences on daily torpor during the summer
A comparative vegetational study of two kettle ponds in the Gothic area
Pollinator selection by floral traits and color in a hybrid zone of <i>Ipomopsis aggregata</i> and <i>I. tenuituba</i> (Polemoniaceae)
Albinos plants are usually discriminated by their pollinators. Exist the possibility that other pollinator drive a reproductive isolation on this plants. To observe if an albino of a plant commonly pollinated by hummingbirds can be selected by other pollinator we used the F1s of albinos of Ipomopsis
A project on a female broad-tailed hummingbird exhibiting territorial defence and coexistence with a different species, robins through habituation
The effect of elevation on the phenology and pollination ecology of <i></i>Frasera speciosa<i></i> (Gentianaceae)
Nectar and pollen rewards of invasive plants and their native congeners
Many invasive plants are equipped with a suite of mechanisms that can allow them to out-compete native plants. Recently, there has been growing recognition that invasive plants may affect native plants by luring away shared pollinators. The goal of this research was to explore the properties that ma
Climate change and anti-herbivory resistance communication in <i>Artemisia tridentata</i>
It has been suggested that anthropogenic climate change may greatly influence plant communities, particularly at high elevations. We asked whether climate change and/or elevation gradient influence volatile intra-plant communication for purposes of anti- herbivory resistance and whether air contact