7,660 results
NOAA PSL CL31 Ceilometer Backscatter and Cloud Base Height Data for SPLASH
This dataset contains daily files from a CL31 ceilometer manufactured by Vaisala that was deployed at Roaring Judy in the East River Watershed in Colorado (38.7169321 N, 106.853031 W, 2494 m above mean sea level) from 21 October 2021 to 28 January 2022 as part of the National Oceanic and Atmospheric
Multi-year census of arthropod abundance on the plant Ligusticum porteri near Gothic, CO
The purpose of this study was to track year-to-year variation in aphid abundance on the host plant Ligusticum porteri (Apiaceae). We censused arthropod abundance on the flowering stalks of L. porteri weekly in June-August from 2012 to 2020. The censuses took place in ten L. porteri populations near
Multi-year census of arthropod abundance on the plant Ligusticum porteri near Gothic, CO
The purpose of this study was to track year-to-year variation in aphid abundance on the host plant Ligusticum porteri (Apiaceae). We censused arthropod abundance on the flowering stalks of L. porteri weekly in June-August from 2012 to 2022. The censuses took place in ten L. porteri populations near
NOAA/WDS Paleoclimatology - Simic fire data from Yellow Pine Ridge South, Western Slope - IMPD USYPS001
The historical role of fire in sagebrush (Artemisia tridentata) landscapes remains poorly understood, yet is important to inform management and conservation of obligate species such as the threatened Gunnison Sage-grouse (GUSG; Centrocercus minimus). We reconstructed fire histories from tree-ring fi
Does infection by endophytic bacteria influence plant susceptibility to herbivory in nature?
Host plant genotypes often interact with the genotypes of pathogenic bacteria in order to affect the susceptibility phenotype with regards to herbivory. Often specialist herbivores illicit host plant production of jasmonic acid while biotrophic pathhogens induce a response of Salicylic acid, both of
Talus turnover: A study of the distribution of lichens along elevational gradients
Understanding the processes and mechanisms that underlie patterns of species diversity and distribution is a fundamental goal of community ecology. Elevational gradients enable ecologists to tease apart ecological drivers and mechanisms as reflected by distribution patterns. In spite of the consider
Measuring the influence of phylogenetic relationships on floral visitation
Pollinators are attracted to flowers based on the sensory information they gather concerning the flower they pollinate, and decide to visit the flower, or not. Closely related plants have similar traits because of their similar genetics, and consequently will attract similar pollinators. The abundan
Phenology: An Integrative Environmental Science
A genetic polymorphism evolving in parallel in two cell compartments and in two clades
Background: The enzyme phosphoenolpyruvate carboxykinase, PEPCK, occurs in its guanosine-nucleotide-using form in animals and a few prokaryotes. We study its natural genetic variation in Colias (Lepidoptera, Pieridae). PEPCK offers a route, alternative to pyruvate kinase, for carbon skeletons to mov
Duplication and population dynamics shape historic patterns of selection and genetic variation at the major histocompatibility complex in rodents
AbstractGenetic variation at the major histocompatibility complex (MHC) is vitally important for wildlife populations to respond to pathogen threats. As natural populations can fluctuate greatly in size, a key issue concerns how population cycles and bottlenecks that could reduce genetic diversity w
Specific-gene studies of evolutionary mechanisms in an age of genome-wide surveying
The molecular tools of genomics have great power to reveal patterns of genetic difference within or among species, but must be complemented by the mechanistic study of the genetic variants found if these variants’ evolutionary meaning is to be well understood. Central to this purpose is knowledge of
Community and Ecosystem Responses to Elevational Gradients: Processes, Mechanisms, and Insights for Global Change
Community structure and ecosystem processes often vary along elevational gradients. Their responses to elevation are commonly driven by changes in temperature, and many community- and ecosystem-level variables therefore frequently respond similarly to elevation across contrasting gradients. There ar
Ontogeny and symmetry of social partner choice among free-living yellow-bellied marmots
Although reciprocity of affiliative exchanges within cohorts increased as individuals matured, competition among genetic relatives emerged early in ontogeny and persisted into adulthood, suggesting that close affiliates are each other's closest competitors.
Patterns of selective caching behavior of a generalist herbivore, the American Pika (<i>Ochotona princeps</i>)
Caching decisions have been studied for many species, but large-scale variation of selective preferences due to environmental heterogeneity has rarely been examined. We investigated large-scale patterns of selective caching behavior in the American pika (Ochotona princeps), a non-hibernating general
How life history influences population dynamics in fluctuating environments.
Mechanisms underlying plant sexual dimorphism in multi-trophic arthropod communities
A growing body of research documents the importance of plant genetic effects on arthropod community structure. However, the mechanisms underlying these effects are often unclear. Additionally, plant genetic effects have largely been quantified in common gardens, thus inflating the estimates of their
Gunnison County Mosquito Control Program Annual Report 2003
Gunnison County; Colorado Mosquito Control, Inc.. 2003.
Environmental Focus Group Findings on Snodgrass
The Environmental Focus Group was asked to provide an opinion on the potential of ski area expansion onto Snodgrass Mountain. We considered the following potential environmental impacts, which were identified in environmental assessments of previous proposals: > > > > Use of East River water for sno
EIS For the Gunnison Gorge NCA and Wilderness
Ralph E. Clark III. June 16, 2003.
Colorado Main Street Program Application for 2003
Colorado Community Revitalization Association; City of Gunnison. 2003.
