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Report: Sutton Pass Adder's Tongue Survey
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Sutton Pass Ecological Reserve is located approximately 40 kilometres west of Port Alberni on the south side of Highway 4. This reserve was designated primarily for the preservation of the red listed Adder's tongue fern (Ophioglossum spp). Due to the small size and easily accessible location of Sutton Pass Ecological Reserve, coupled with the rarity of the Adder's Tongue fern, there was a clear need to survey Sutton Pass for Adder's Tongue to be used for inventory and monitoring purposes.
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Author: Reedman, D.
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Date Published: Nov 2001
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Report ID: 17832
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Audience: Government and Public
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Sutton Pass Ecological Reserve is located approximately 40 kilometres west of Port Alberni on the south side of Highway 4. This reserve was designated primarily for the preservation of the red listed Adder's tongue fern (Ophioglossum spp). Due to the small size and easily accessible location of Sutton Pass Ecological Reserve, coupled with the rarity of the Adder's Tongue fern, there was a clear need to survey Sutton Pass for Adder's Tongue to be used for inventory and monitoring purposes.
Due to the fact that Adder's tongue fern is listed as an endangered species by the Conservation Data Centre, and in keeping with BC Parks Conservation Principles, it is in the interest of BC Parks to ensure that this fern remains in the Sutton Pass ER. This vegetation survey provides an overview of the general locations where Adder's tongue fern is located in the Sutton Pass Ecological Reserve. The distribution of Adder's tongue fern in the ecological reserve was found to be clumped, likely due to both the growing conditions of the site, as well as the reproductive strategy employed by the fern. This survey has the potential to be replicated for monitoring purposes to detect any change in both the location and the abundance of Adder's tongue fern. It may also be prudent to monitor the water level in the pond, as it appears to have a significant influence on where this fern establishes. One should also consider that time of year has a significant influence on the water level in the pond and hence on the distribution of Adder's tongue.
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Report Type
Subject
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Biogeoclimatic Zone - CWH Coastal Western Hemlock Zone |
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Region - Vancouver Island |
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Vegetation - Plant Species at Risk |
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