Search
Skip to Search Results- 13Poesch, Mark (Renewable Resources)
- 2Green, Stephanie (Biological Sciences)
- 1Anderson, Axel (Renewable Resources)
- 1Cooke, Colin (Earth and Atmospheric Science)
- 1Cott, Peter (Renewable Resources
- 1Davis, Corey (Biology)
- 1Donadt, Caitlyn
- 1Edgar, Megan R
- 1Hamilton, William Kyle
- 1MacLeod, Taylor (Macs) K.
- 1Maitland, Bryan M
- 1McPherson, Morag D
- 2Freshwater fishes
- 2Swim performance
- 1Alberta
- 1Alberta Natural Regions
- 1Arctic Grayling
- 1Athabasca Rainbow Trout
-
Assessing the impacts of multiple ecological stressors on an endangered native salmonid, the Athabasca Rainbow Trout, in the foothills of the Canadian Rocky Mountains
DownloadFall 2018
Freshwater fish face a multitude of ecological stressors, which has resulted in substantial declines in aquatic biodiversity. The loss of aquatic biodiversity can lead to changes in ecosystem function, productivity and food web dynamics. One such imperiled freshwater fish is the Athabasca Rainbow...
-
Assessing the station holding ability of three benthic fishes exposed to flow augmentation: Implications for a species at risk
DownloadFall 2023
Flow augmentation forces Plains Sucker in the Milk River to adopt more efficient station holding mechanisms, which must be energetically costly as they are not maintained year-round. The station holding ability of Milk River Plains Sucker was measured using a Brett-style swim tunnel respirometer,...
-
Characterizing adaptive morphological features and resource selection of Rocky Mountain Sculpin (Cottus sp.), a species at risk in Canada
DownloadFall 2017
Freshwater biodiversity is presently one of the world’s largest conservation concerns. Both direct and indirect human activities contributing to waterway modifications, climate change, and habitat alteration are causing major declines in freshwater fish species richness and abundance. While these...
-
Fall 2019
Understanding historical species distributions is vital to the conservation and restoration of native species, yet such information is often qualitative. Here, we show that the paleolimnological history of threatened freshwater fishes can be reconstructed using species diagnostic markers...
-
Habitat use by fluvial Arctic Grayling (Thymallus arcticus) in mountain streams of the Little Nahanni watershed, Northwest Territories
DownloadFall 2020
Northern aquatic ecosystems face increasing pressures from climate change and natural resource development, raising conservation concerns for species in these vast and remote regions. Arctic Grayling (Thymallus arcticus) have a Holarctic distribution and are a sensitive freshwater fish that...
-
Improving our ability to assess the impacts of hydrologic alteration on stream fishes: An interdisciplinary approach to assess the Threatened Western Silvery Minnow Hybognathus argyritis in Canada
DownloadSpring 2016
Human induced hydrologic alteration is ubiquitous in North American riverscapes. These alterations have been shown to impact fishes by modifying habitats, influencing movement patterns and driving changes in community structure. Understanding these impacts is an essential first step for the...
-
Investigating fine-scale movement patterns and comparative swimming performance of the newly identified and threatened Rocky Mountain Sculpin (Cottus sp.) across its Canadian distribution
DownloadSpring 2016
Cumulative anthropogenic impacts to the riverscape, including hydrologic alteration, have contributed to an escalated number of freshwater fish species at risk in North America. Species dispersal is an important mechanism underlying many ecological processes. Understanding the scale at which...
-
Occupancy and Impacts of the Northern Crayfish (Faxonius virilis) in Tributaries of the North Saskatchewan River Basin
DownloadFall 2021
Invasive species are the second greatest threat to biodiversity globally. Crayfish are especially robust invaders due to their omnivorous feeding behavior and ability to compete both directly and indirectly with native species. In the North Saskatchewan River (NSR) basin, the Northern Crayfish...
-
Offsetting approved harmful anthropogenic impacts in the 21st century – Insights into global offsetting practices, habitat banking as an alternative offsetting mechanism and application of habitat enhancement in northern boreal lake systems
DownloadFall 2022
Land-use change via human development is a major driver of biodiversity and habitat area loss and ecosystem function impairment. To reduce these impacts, billions of dollars are spent on environmental offsets, aimed to compensate for authorized negative impacts. Studies evaluating offset project...
-
Stream Crossings in the Western Boreal Forest: Assessing Impacts and Prioritizing Restoration for Native Freshwater Fishes
DownloadFall 2015
Growing anthropogenic development in response to rising demands for natural resources is a major concern for freshwater fish, particularly in resource rich regions such as Canada’s boreal forest. Expanding networks of industrial resource roads has led to the installation of hundreds of thousands...