816 results — topic: Alpine & Subalpine Ecology
Malaise_trap_ReadME.txt
Data set to accompany the paper " Extensive regional variation in the phenology of insects and their response to temperature across North America" published in Ecology (2023) See below for a full list of authors and addresses. Authors are also listed in the main data file, "Malaise_trap_Data_2019-20
Pollinator visitation on Na-enriched plants in a subalpine meadow
Many plants have evolved nutrient rewards to attract pollinators to flowers, but most research has focused on the sugar content of floral nectar resources. Concentrations of sodium in floral nectar (a micronutrient in low concentrations in nectar) can vary substantially both among and within co-occu
Data for: Pollinator and habitat-mediated selection as potential contributors to ecological speciation in two closely related species
In ecological speciation, incipient species diverge due to natural selection that is ecologically based. In flowering plants, different pollinators could mediate that selection (pollinator-mediated divergent selection) or other features of the environment that differ between habitats of two species
Groundwater and Surface Water Flow (GSFLOW) model files for the East River, Colorado
The data package contains model input files and executables for the East River, Colorado (750 km2) located in the headwaters of the Upper Colorado River Basin. The code applied is the U.S. Geological Survey (USGS) Groundwater and Surface Water Flow (GSFLOW) model. A Readme.txt file provides instruct
Groundwater and Surface Water Flow (GSFLOW) model files for the East River, Colorado
The data package contains model input files and executables for the East River, Colorado (750 km2) located in the headwaters of the Upper Colorado River Basin. The code applied is the U.S. Geological Survey (USGS) Groundwater and Surface Water Flow (GSFLOW) model. The model contains a 100-m grid res
Aerobic respiration controls on shale weathering, Geochimica et Cosmochimica Acta, 2023: Dataset
This data package was generated in order to support the development of a deep-time weathering model and to assess the coupling between shale weathering and aerobic respiration in the paper “Aerobic respiration controls on shale weathering” by Stolze et al., Geochimica et Cosmochimica Acta (2023). Th
Aerobic respiration controls on shale weathering, Geochimica et Cosmochimica Acta, 2023: Dataset
This data package was generated in order to support the development of a deep-time weathering model and to assess the coupling between shale weathering and aerobic respiration in the paper “Aerobic respiration controls on shale weathering” by Stolze et al., Geochimica et Cosmochimica Acta (2023). Th
Plant-Pollinator Interactions and Environmental Change: Effects of Experimental Changes in Phenology and Water Availability on a Montane Wildflower
Species Co-occurrence Patterns and Mechanisms for <i>Rhyacophila</i> in High-Altitude Streams
Currently, due to global warming, we are seeing large range shifts in many different species across the world. As these species shift they are encountering new species and new environments. The way that a species interacts with these new species and environments will determine its ability to expand
A Comparative Analysis of Saxicolous Lichen Diversity and Cover along an Elevation Gradient on Talus Slopes in Gunnison National Forest to Infer Possible Climate Change Effects
Climate change in Colorado has already increased temperatures by 2 ℉ and is predicted to continue to rise. Precipitation during winter months is predicted to increase, while projected precipitation for the spring, summer and fall is still uncertain. It is important to understand how saxicolous liche
Dormancy rates in microbial communities across an elevational gradient
Despite the broad impacts microbial dormancy has on ecosystems and ecosystem models, dormancy as a response to climate-change-related environmental stressors is poorly understood. Dormancy is an essential bet-hedging strategy used by microbes to tolerate unfavorable conditions and increase overall c
Assessing Plant Community Assembly Along an Elevational Gradient: A Functional Niche Hypervolume Approach
Niche-based processes, such as environmental filtering and niche differentiation, have been proposed to contribute to the assembly of ecological communities. While functional traits can be useful for testing hypotheses regarding niche-based community assembly, most studies utilizing functional trait
Phenology and Phenotypic Variation of <i>Thlaspi arvense</i> Along an Elevational Gradient
Thlaspi arvense, a non-native plant in the Brassicaceae family, was first introduced to the Gunnison valley of Colorado in the 1800s (Chew 1975). Long-term studies done at the Rocky Mountain Biological Laboratory suggest the presence of T. arvense has negative impacts on the fitness of native Pieris
Carbon Dioxide Efflux and Storage in Small, Drying Alpine Ponds
Climate change is expected to influence the drying regimes of small ponds, impacting their carbon cycling capabilities and potentially inducing unprecedented pond drying that could lead to higher greenhouse gas efflux rates. Small ponds are already known to release disproportionately high amounts of
Assessing the Role of Oxbow Deposits in Carbon and Nitrogen Dynamics within Alpine Watersheds
Despite their abundance, floodplains are poorly understood components of the global carbon cycle that are not well represented in Earth system models. The hydrology of floodplains was thought to be the major factor in controlling the chemical state and microbial activity within their sediments and g
Snowmelt controls on concentration-discharge relationships and the balance of oxidative and acid-base weathering fluxes in an alpine catchment, East River, Colorado
Does environmental heterogeneity drive functional trait variation? A test in montane and alpine meadows
While community‐weighted means of plant traits have been linked to mean environmental conditions at large scales, the drivers of trait variation within communities are not well understood. Local environmental heterogeneity (such as microclimate variability), in addition to mean environmental conditi
Aboveground resilience to species loss but belowground resistance to nitrogen addition in a montane plant community
Aims resembled those of the previously removed dominant species. Decades of empirical work have demonstrated how dominant plant Ecosystem productivity generally increased with N addition: soil species and nitrogen fertilization can influence the structure and carbon efflux was ~50% greater when eith
Distribution of native and nonnative ancestry in red foxes along an elevational gradient in central Colorado
The red foxes (Vulpes vulpes) indigenous to the mountains of the western United States are high-elevation specialists that could face range reduction due to climatic warming, as well as potential encroachment, loss of adaptive alleles, and displacement by introduced nonnative red foxes. We investiga
