Mountains and the lake

Landscape in Quesnel British Columbia


Ph.D. Prospect
Supervisors: Phil Owens and Ellen Petticrew
E-mail: akoiter@gmail.com

Increases in erosion prices and sediment lots within watersheds may cause really serious ecological dilemmas. Presently, the aim of research is to comprehend the foundation, fate, and transportation of deposit mobilized within a watershed. These details is important to building and concentrating on management strategies that decrease erosion rates and sediment loads. Deposit tracing is an emerging method being used to assist deal with these issues. This technique is based on the presumption any particular one or more regarding the properties regarding the deposit will mirror the foundation kind in which it comes from and will be applied as a tracer to locate the sediment back into its sources. But the processes that connect the sediment sources to the stage of collection are not well-understood or quantified and currently there is certainly an underlying presumption of an immediate link between mountain slope and downstream sediment with regards to residential property conservativeness. The primary objectives for this analysis are to evaluate the presumptions of tracer conservativeness by investigating the way the actual and geochemical properties of sediments modification since it moves though all the three key aspects of the landscape; the hill mountains, riparian areas and river networks. These targets will be addressed with both industry and experimental researches with the services at UNBC's Quesnel River Research Centre and field websites within the Quesnel River watershed.

Titi Kunkel

Ph.D. Prospect
Supervisors: Ellen Petticrew
E-mail: kunkel@unbc.ca

Dominic Reiffarth

Ph.D. Applicant
Supervisors: Phil Owens and Ellen Petticrew
Mail: Dominic.Reiffarth@unbc.ca

Leah Vanden Busch

MSc prospect
Supervisors: Drs. Ellen Petticrew & John Rex
Email: vandenbl@unbc.ca

Annually, millions of sockeye salmon vacation hundreds of kilometres from Pacific Ocean with their natal spawning reasons in Quesnel watershed. The nutrient-poor freshwater methods by which they spawn get an influx of marine-derived nutrients (MDN) upon the arrival associated with salmon. These extra nutritional elements supply an essential energy source to boost fish and aquatic productivity, in addition to riparian wildlife and plant types. My analysis will explore the hyporheic zone as a fruitful place of nutrient trade amongst the streambed and riparian plant life. The targets is to quantify levels of MDN present in hyporheic liquid examples, subsurface macroinvertebrates, and riparian vegetation throughout the 2011 spawning period and succeeding wintertime. In light of the analysis, we can get an even more comprehensive knowledge of hyporheic nutrient exchanges that will facilitate better restoration and stream administration decisions for the health of the ecosystem for future salmon shares.

Mike Leggat

MSc prospect
Supervisor: Dr. Phil Owens
Email:leggatm@unbc.ca

Suspended sediment generation processes throughout the ablation season at Castle Creek Glacier - In British Columbia, 20 per cent for the watersheds have sufficient glacial protection to influence the amount, quality, and timing of liquid and sediment sent to downstream ecosystems. Glaciers being receding since minimal Ice Age, and will continue to recede under existing weather forecasts. The end result of deglaciation on water resources has received more interest as compared to impact on deposit flux. But both liquid and sediment have essential ramifications for downstream infrastructure and ecosystems. As glaciers recede, very erodible unconsolidated deposit is exposed in proglacial area. During glacial recession, sediment flux is expected to increase. As watersheds become deglaciated, readily available deposit can become transport restricted considering a decreased contribution of glacial meltwater to stream movement. Additionally, proglacial sediment generation processes change over time as results of winnowing of fines and area stabilization. In order to project future deposit flux, my study is designed to quantify present fine sediment generation processes, along with the temporal influence on sediment access when you look at the proglacial area associated with Castle Creek Glacier; that is an upper tributary associated with Fraser Basin when you look at the Cariboo Mountains of British Columbia.

Kristina Anderson

MSc Candidate
Supervisor: Dr. Phil Owens
Email: kristina.anderson@gov.bc.ca

Part of riparian buffers in regulating water flows in farming landscapes.

Jocelyn Joe-Strack

MSc Candidate
Supervisor: Dr. Ellen Petticrew
E-mail: joestra@unbc.ca

New methods are constantly created to efficiently and efficiently trace sediment from its source along catchment paths. A comparatively current strategy marries hereditary ways to sediment evaluation to be able to characterize and distinguish the bacterial communities of earth and/or sediment originating from specific areas. Here we present the preliminary outcomes of DNA fingerprint pages of soil and sediment-associated bacterial communities in and around two various industrial land uses inside central inside of British Columbia, a feedlot and a copper/gold mine. Examples from the websites connected catchment pathways had been considered utilizing amplicon length heterogeneity-polymerase sequence response (LH-PCR) to distinguish the obviously varying 16S rDNA gene. Analytical differences between microbial community pages were investigated making use of a suite of methods of which non-metric multidimensional scaling (NMS) and signal species analysis (ISA) were many useful. More powerful statistical outcomes were seen for the feedlot data set with spatial distinctions seen through the resource area and within the adjacent creek. Outcomes from the my own site had been more challenging to assess although answers had been detected in downstream waterways. While microbial DNA fingerprinting of earth and sediment is apparently a promising tracing strategy problems of scale and transferability may restrict its usage. Classes learned with this initial research may be presented.



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