495 results — topic: Freshwater Ecology
Genomic and Transcriptomic Analysis of the Whirling Disease-Resistant Gunnison River Rainbow Trout - Supplementary Data
Supplementary tables and figures
Trout Creek Lycopsid Fossil Forest, Chaffee County, Colorado
Effects of a range-shifting caddisfly on life histories of a top predator in high elevation ponds
Climate change is creating the opportunity for various species to undertake range expansion, both geographically and elevationally. There has been relatively little research into the ecological effects of these climate-driven range expansions on predators, particularly when the new species to a comm
Perils of life on the edge: Climatic threats to global diversity patterns of wetland macroinvertebrates
Climate change is rapidly driving global biodiversity declines. How wetland macroinvertebrate assemblages are responding is unclear, a concern given their vital function in these ecosystems. Using a data set from 769 minimally impacted depressional wetlands across the globe (467 temporary and 302 pe
Efficacy and Uses of PIT Tag Telemetry in Salamanders From the Western USA: ,<i> Aneides vagrans </i>, <i> Ensatina eschscholtzii </i>, and <i> Ambystoma mavortium </i>
Characterizing the role of phosphorus availability and periphytic algae in the food choice and performance of detritivorous caddisflies (Trichoptera:Limnephilidae)
Expanding in-stream flow rights as a mechanism for water conservation and aquatic ecosystem preservation
Morph and Sex differences in prey selectivity of tiger salamanders (<i> Ambystoma mavortium nebulosum </i>)
The tiger salamander is the top predator of the benthic invertebrate in the ponds at the Mexican Cut Nature Preserve, and hence, one of the main influential factors on the benthic invertebrate community structure. Recent phenomena observed at the MCP, like earlier snowmelt dates of some of the ponds
Experimental Validation of Biophysical Models of Tiger Salamanders (<i> Ambystoma mavortium nebulosum </i>)
Arizona tiger salamanders (Ambystoma mavortium nebulosum) can thrive in a large variety of environments including high elevation ecosystems where climate change conditions are most drastic. Accurate biophysical models of the water loss and operative temperature for A. m. nebulosum can be used as too
Effects of Native and Non-native Predators on Aquatic Communities
Predators impact the ecosystem in a top-down manner; however, we are not sure how non-native predators differ from native ones. In Colorado beaver ponds, non-native trout can change aquatic communities by preying on macroinvertebrates and excluding the native predator, tiger salamanders. Beaver pond
Investigating the comparison between bird diversity and apex aquatic predators in sub-alpine beaver ponds
Predation of native salamanders by non-native trout in Colorado is a wildlife concern. Understanding the dynamics of how the different species interact is important. Cascade effects in the environment are caused by declines of species in a community. Birds, fish, and amphibians are deeply connected,
Energy Fluxes of Terrestrial and Aquatic Invertebrates in the East River
Climate change is increasing temperatures globally including aquatic habitats like rivers, directly affecting the biology of many invertebrate species. In freshwater ecosystems, snow melt drives rivers in the Rocky Mountains of Colorado. Increasing river temperatures can result in increasing metabol
Temperature Selection in the Arizona Tiger Salamander (<i> Ambystoma mavortium nebulosum </i>)
High-elevation ecosystems are experiencing rapid warming and severe impact of global climate change. The Arizona Tiger Salamander (Ambystoma mavortium nebulosum) occurs in high elevation ponds in the West Elk Mountains of Colorado and offers a compelling system to test context-dependent responses to
Testing how density affects caddisfly distribution along a detritus quality gradient
As ecosystems continue to change, the ability to find high-quality habitats is becoming a valuable skill. Caddisflies are often found in pond environments with a variety of habitat qualities, such as food (detritus) quality. Asynarchus nigriculus, being highly mobile and having a unique dietary need
Morph- and sex-specific differences in corticosterone of Arizona tiger salamanders (<i>Ambystoma mavortium nebulosum</i>)
Chronic stress can have detrimental effects on long-term health of amphibians. Sex and morph may cause variation in stress within salamanders such as the Arizona tiger salamaders (Ambystoma mavortium nebulosum) at the Mexican Cut Nature Preserve due to differences in biotic or abiotic conditions (
Exploring effects of proliferation of <i>Didymosphenia geminata</i> on abundance and coexistence of <i>Rhyacophila</i> species (Trichoptera) in streams near the Rocky Mountain Biological Laboratory
Nonconsumptive effects of Brook Trout predators reduce secondary production of mayfly prey
The nonconsumptive effects of predators on prey include behavioral, physiological, and life-history changes that reduce the risk of predation but have associated energetic or fitness costs to prey individuals and populations. Biologists have documented such changes for a wide array of predator–prey
Biogeochemical characteristics and hydroperiod affect carbon dioxide flux rates from exposed high-elevation pond sediments
While inundated, small ponds (< 1000 m2 area) account for disproportionately large contributions of CO2 efflux to the global carbon budget and also store carbon in anoxic sediments. However, pond hydrology is shifting toward increasingly dry conditions in alpine and temperate zones, which might lead
Climate change, phenological shifts, and species interactions: Case studies in subalpine plant and migratory fish populations
Climate Change, Phenological Shifts, and Species Interactions:
The Beaver's Tale: Out of the Woods and Into Hot Water
Doug Hand. New York Fish and Game Journal.
