Groundwater elevation and chemistry at Camosun Bog, British Columbia, and implications for bog restoration | The BCIT cIRcuit

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Groundwater elevation and chemistry at Camosun Bog, British Columbia, and implications for bog restoration

Le, A. A., Joy, R., & Anderson, E. (2020). Groundwater elevation and chemistry at Camosun Bog, British Columbia, and implications for bog restoration.
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Description

A bog is a type of wetland with a high water table, acidic soil and is nutrient poor. Camosun Bog is the oldest bog in the Lower Mainland of British Columbia, and remained undisturbed until development of the surrounding residential neighborhood caused changes to its groundwater conditions, threatening its current persistence. The goal of this study is to provide an updated examination of Camosun Bog’s groundwater conditions and to discuss relevant bog restoration measures. Groundwater elevation and chemistry (pH, conductivity, nitrogen and phosphorus) were monitored for several months in 2019. Results indicate that current groundwater elevations are lower in Camosun Bog than they were thirty years ago, especially in the north and northeast regions. Locations in the north and center parts of the open bog experienced groundwater nitrogen enrichment and higher pH, indicating that raising the water table should be the main goal of restoration for Camosun Bog.