Predation on Chinook Salmon Smolts by Great Blue Herons

Predation on smolts as they out-migrate down natal rivers may significantly contribute to the decline and lack of recovery of Chinook salmon in British Columbia. A prior study of mortality of Chinook smolts released by the Cowichan Hatchery suggests only a small portion of the fish reached the ocean due to predation by raccoons, river otters, mergansers and trout.

The Contribution of Invertebrates to the Seasonal Diets of Walleye in Lake St. Joseph

The aim of this project is to better understand the onshore and offshore feeding habits and movement of walleye on Lake St. Joseph. There is special emphasis on answering the question: if, when and how much do Walleye rely on invertebrates in general, and Mayflies in particular. Walleye are an economically and ecologically significant sport fish and Mayflies are an important bioindicator of ecosystem health and potentially have an intricate predator prey relationship.

'Part of the water, part of the land': Developing Indigenous water legislation for Carcross/Tagish First Nation

The protection of water is a priority for Carcross/Tagish First Nation (C/TFN) and revitalizing Indigenous legal and governance systems is fundamental to advancing Indigenous approaches to water governance. While the citizens of C/TFN have governed the waters and lands within their traditional territory since time immemorial, their Tagish and Tlingit legal orders have been disrupted by colonial forms of governance. Nevertheless, knowledge of these systems endures in practice and oral history.

Leaching of chemical elements from Canadian Natural Oceanic Clay

This objective of this research is to investigate the properties of Oceanic Natural Oceanic Clay harvested by the Iron wood Clay Company in British Columbia, Canada. When the clay is applied to the skin, various cations and positively charged impurities on the skin can be removed by ion exchange mechanism. However, the clay materials can be both collectors and donors. It is likely that various elements are leached out from the clay material surfaces under different conditions that may interact with skin surfaces and cause irritation.

Technical and Economic Assessment of Implementing UV Treatment in Potable Reuse Process Trains

Driven by climate change induced water scarcity, further enhanced by rapid urbanization and population growth, potable water reuse initiatives are gaining interest. Potable reuse involves the indirect or direct use of highly treated municipal wastewater as a municipal drinking water source. Historically, the most commonly installed potable reuse train consisted of microfiltration, reverse osmosis (RO), and ultraviolet (UV) as treatment stages.

Evaluating Natural Channel Design Performance in Southern Ontario

Natural channel design practices are continually evolving, but monitoring the performance and success of these urban river engineering projects is often limited to sparse point measurements of streamflow, stream morphology, and species inventories during the 2 - 5 years following construction. The result is relatively few data on the overall performance of natural channel design projects, both in terms of the original project goals and geomorphic function (no net erosion and deposition).

Molecular Characteristics of Cellulose and Cellulose Derivatives

Cellulose is a commercially important biopolymer. Due to its abundance, biocompatibility and renewability it has shown important commercial applications in food, pharmaceuticals, biomedical. Depending on the origin and the processing methods used, the resulting fiber dimensions, structure, crystallinity and molecular weight (MW) can vary over a broad range. MW is one of the most important parameters in polymer characterization as many of its properties depend on it. Gel permeation chromatography (GPC) has been the technique of choice for determining these properties.

Assessing the role of small-scale structures in controlling auriferous fluid flow: Nadaleen trend, Yukon.

Carlin-type gold deposits (CTGDs) are large, high-grade gold deposits named after the world renowned occurrences in Nevada. Despite their economic importance, agreement on how they formed is still lacking. We are undertaking an integrated geological and geochemical study of CTGDs in the Nadaleen trend, Yukon, to better define the hydrological regime that controlled their formation. The proposed Mitac internship will form part of the overall study – performing detailed analysis of small scale features that were potential fluid flow pathways for hot gold-bearing hydrothermal fluids.

Removal of Cyanotoxins in Surface Waters Using Ozone & Advanced Oxidation Processes

Cyanotoxins, produced by blooms of cyanobacteria, have been a cause of concern, as they have the potential to compromise animal and human health. Because of increased nutrient loading and climate change, occurrence of cyanobacterial harmful algal blooms and their toxins are increasing globally. The presence of these compounds in the Great Lakes and other water sources in Canada, the United States and worldwide, presents challenges for municipalities that are treating and distributing drinking water.

Accelerate development of new technologies and applications for advanced water treatment

Global population growth, urbanization and changing climate patterns have increased the demand for potable water, wastewater reuse and value recovery from wastewater, and treatment of industrial process water. Population growth also results in increased demand for the shipping of goods by ocean freight, with the associated risk of the transport of unwanted marine life from one location to another by the discharge of ballast water.