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Flewellyn Cumulative Effects Study and
Goulbourn Wetland Boundary Re-evaluation
Presented by: Nick Stow, City of Ottawa
Date: June 20, 2016
Agenda
1. Welcome/ Introductions
2. Why are we here?
3. Cumulative Effects Study
4. Wetland boundary re-evaluation
5. Next steps
6. Q&A
2
Why Are We Here?
• To fulfill Provincial Requirements
• To implement the 2011 agreement and OMB
Order
• To report on the Cumulative Effects Study
and the upcoming wetland boundary re-
evaluation
3
Cumulative Effects Study
• Available on the web site:
ottawa.ca/flewellynssa
• The report answers three main questions:
– What’s the origin and history of the wetlands?
– How are they affected by land use changes?
– Is there reason they would not qualify as “provincially
significant”?
• There will not be a Phase 2.
9
What is a wetland?
Wetlands are areas where the ground is
saturated with water long enough each year to
create prolonged periods of low oxygen in the
upper soil layers. This low-oxygen condition
leads to characteristic soil discoloration (soil
mottling) and favors domination by plants
adapted to such conditions (i.e. wetland
plants).
Conclusions • The landscape is naturally prone to the
formation of wetlands
• Some areas were drained for agriculture
• No discernible impact of roads and quarries on
recent wetland expansion (1946 – 2011)
• The expansion and changes to wetland since
the mid-20th century appear due to:
– Abandonment of farmland and agricultural drains
– Beavers
– Uncoordinated private drain works
11
Wetland Boundary Re-evaluation
• Based on 2016 aerial photography
• Private land access preferred but not
essential
• Limited to re-evaluation of the 2006
boundaries (Huizer minus MNRF
subtractions)
• No new complexing (i.e. no addition of new,
non-contiguous wetlands) 22
Next Steps
• Summer 2016 - Boundary re-evaluation
• Autumn 2016 – Ministry of Natural
Resources and Forestry decision on
boundaries
• Early 2017 –Official Plan Amendment to
remove the Special Study Area and
determine appropriate land uses
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