Transcript Phase Two – Monitoring and Adaptive Management

MASON GULCH
LANDSCAPE MANAGEMENT PLAN
PUBLIC MEETING
August 4, 2016
TONIGHT'S AGENDA
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Introduction
Public Process Timeline
Final Draft Plan Details
Site Work Implementation
Q&A
PUBLIC PROCESS TIMELINE
 Final Draft LMP Review – early September
 Permit Application – mid-September
 Public Comment Period
 No later than 28 days after application
 2 week duration
 Permit Receipt – anticipated 120 days from
permit application
FINAL DRAFT PLAN
 Improving Slope Stability
 Maximizing Stormwater Benefits
 Working to Protect Public Infrastructure and
Public Safety
 Achieving a Sustainable Target Ecosystem
 Improving Wildlife Habitat
 Developing a Program for Stewardship and
Public Involvement
 Scenic Views from Public Areas
5 MANAGEMENT UNITS
MANAGEMENT UNIT 1
INVASIVE DOMINANT (TOP OF SLOPE)
Phase One – Preparation and Planting, Late Summer/Fall
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Identify weeds present and use eradication methods
Remove weed top growth leaving roots in place
Minimize soil disturbance
Install coir erosion control blankets over entire restoration area
Install deciduous and evergreen shrubs (no trees)
Phase Two – Monitoring and Adaptive Management
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Monitor during the growing season for the first year
Replace plants that fail and adapt species mix as necessary
Continue to monitor plant establishment for five years
Monitor for slope movement
MANAGEMENT
UNITS 1 AND 2
No Work will happen in
areas with slopes 80% and
over.
MANAGEMENT UNIT 2 – STEEP SLOPES,
INTENSE RESTORATION
Phased Grid Cell Work
 Coppice only previously coppiced deciduous trees leaving one
healthiest stem in each tree
 Remove 25% of canopy on other deciduous trees only if needed
for light (May repeat in subsequent years )
 Leave coppiced tree stems lodged against stumps, remove brush
 Install coir erosion control blankets throughout cell
 Install plants to average five conifers, two deciduous trees per
grid cell with dense shrub and groundcover layers
 Monitor for plant establishment for five years, supplement
planting as needed
 Monitor for slope movement
MANAGEMENT UNIT 2 – GRID
SLOPE CROSS SECTION
MU2 – SLOPE CROSS SECTION
GRID CELL
PHASES
MANAGEMENT UNIT 3 – STEEP SLOPES,
MODERATE RESTORATION
Phase One – Preparation and Planting, Fall
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Identify weeds present and eradication methods
Remove weed top growth leaving roots in place
Minimize soil disturbance
Install five species of deciduous shrubs and four coniferous tree
species
Phase Two – Monitoring and Adaptive Management
 Monitor during the growing season for the first year
 Replace plants that fail and adapt species mix as necessary
 Continue to monitor plant establishment annually for five years
MANAGEMENT UNIT 4 – TRANSITION
ZONE
Phase One – Preparation and Planting, Fall
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Identify weeds present and eradication methods
Remove weed top growth leaving roots in place
Minimize soil disturbance
Install six species of native shrubs, four groundcover species and
two coniferous tree species
Phase Two – Monitoring and Adaptive Management
 Monitor during the growing season for the first year
 Replace plants that fail and adapt species mix as necessary
 Continue to monitor plant establishment for five years
MANAGEMENT UNIT 5 – INTERIOR VALLEY
Phase One – Preparation and Planting, Fall
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Identify weeds present and eradication methods
Remove weed top growth leaving roots in place
Minimize soil disturbance
Install three shrub species, two species of emergents, and five
tree species
Phase Two – Monitoring and Adaptive Management
 Monitor during the growing season for the first year
 Replace plants that fail and adapt species mix as necessary
 Continue to monitor plant establishment for five years
SITE WORK IMPLEMENTATION
 Permit received – anticipate mid-December
 Jan – Mar 2017 – Work in MU1 – one acre
invasive removal and planting
 Oct 2017 – Mar 2018 – Work in MU1 – one
acre and start on MU2 squares as resources
allow
 Offer Vegetation Modification Request process
when approved and available
WE HEARD…
RESULT…
 Workshop
 Trails – for and against
 Workshop held on May 25
 Due to soils, safety, and
public comment - public
trails will not be addressed
in this LMP
 Shorter plants at top of
slope
 Plant Selection
 Public View
 Found balance between an
acceptable risk level and
actions
 Private Views
 Vegetation Modification
Request
FIND OUT MORE
• www.cityoftacoma.org/mason