This is a map of accumulated snow-free freezing potential (freezing degree days, FDD) for the Upper Gunnison domain, derived from daily minimum temperature maps interpolated from weather station and microclimate sensor data combined with Landsat-derived estimates of the timing of seasonal snowpack d

This is a map of temporal variability in accumulated fall growing potential (growing degree days, GDD) for the Upper Gunnison domain, derived from daily maximum temperature maps interpolated from weather station and microclimate sensor data. The original daily maps are also available. Temperature es

This is a map of accumulated fall growing potential (growing degree days, GDD) for the Upper Gunnison domain, derived from daily maximum temperature maps interpolated from weather station and microclimate sensor data. The original daily maps are also available. Temperature estimates represent condit

This is a map of temporal variability in accumulated growing potential (growing degree days, GDD) for the Upper Gunnison domain, derived from daily maximum temperature maps interpolated from weather station and microclimate sensor data. The original daily maps are also available. Temperature estimat

With climate change threatening a wide variety of organisms and ecosystems, expanding our knowledge of how they will respond is vital for making predictions and conservation decisions. One important group of organisms impacted by climate change is the wild bees, which provide an essential ecosystem

It has often been stated that the bill shape of hummingbirds is an example of ecological adaptation, as the morphology of their bills are strongly associated with flower nectar resources (Bleiweiss 1999). ​ Broad­tailed hummingbirds (​Selasphorus platycercus) are considered the most characteristic h

The Mountain White-crowned Sparrow(Zonotrichia leucophrys oriantha) is a migratory songbird that nests in alpine and sub-alpine meadows in the Rocky Mountains. They return to their natal elevation to breed, and nest from 2,438m to 3,657m above sea level in the spring to late summer. Because they nes

Formica obscuripes, or the Western Thatching Ant, is a native North American ant species commonly found throughout the central and western US. Like many ant species, F. obscuripes acts as an ecosystem engineer, as colonies can significantly alter the nutrient content, moisture content, temperature,

We studied the sex-ratio and reproductive success of gynodioecious populations of Geranium richardsonii along elevational gradients near Gothic, Colorado. Gynodioecious means that the species produces hermaphrodite and female plants. The hermaphrodites have male (anthers and pollen) and female (ovul

Climate change alters many biotic and abiotic factors in environments around the world. At higher elevations in particular, climate change brings warmer mean temperatures, reduced snowpack, earlier snowmelt, and more extreme drought. In this study, we analyzed the effect of early snow removal on Boe

Documenting and predicting patterns of vegetation change over time are challenging due to a lack of sufficiently detailed historical data for comparison. Montane plant communities are expected to respond to anthropogenic disturbance, including climate change, in complex ways dependent on component s

AbstractPollination success of animal‐pollinated flowers depends on rate of pollinator visits and on pollen deposition per visit, both of which should vary with the pollen and nectar “neighborhoods” of a plant, i.e., with pollen and nectar availability in nearby plants. One determinant of these neig

AbstractMuch research debates whether properties of ecological networks such as nestedness and connectance stabilise biological communities while ignoring key behavioural aspects of organisms within these networks. Here, we computationally assess how adaptive foraging (AF) behaviour interacts with n

An author’s response to referees’ comments is a key component of the peer review process that affects whether a manuscript is accepted or rejected, the speed at which a manuscript moves through the review process, the workload of editors and referees, and the quality and clarity of published science

Many specialist herbivores eat foods that are apparently low quality. The compensatory benefits of a poor diet may include protection from natural enemies. Several bee lineages specialize on pollen of the plant family Asteraceae, which is known to be a poor-quality food. Here we tested the hypothesi

As an organization, Coldharbour/ORE is committed to the following best practices in management of our finances. 1. Oversight 1.1. All Coldharbour finances will be managed by a contracted third party bookkeeper. 1.2. Prior to all board meetings, the contracted third party bookkeeper will provide fina

CONFIDENTIAL DRAFT Center for Environment & SustainabilityCONFIDENTIAL DRAFT Western State Colorado University Coldharbour Chair In the Winter of 2014, the Gunnison Housing Foundation generously gave Western $150,000 to match Western in hiring a full-time faculty member with half-time reassign to se

The technology involved in plasma gasification, or perhaps more properly plasma arc waste disposal, has been around for about fifty years, but few facilities exist that utilize it to both dispose of waste and create energy, and none are in the United States. That’s about to change. Advertisement Susta

Brian St. George. US DOI. March 24, 2011.