Phragmites australis control projects at Long Point and Rondeau - - PowerPoint PPT Presentation

phragmites australis control projects at long point and
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Phragmites australis control projects at Long Point and Rondeau - - PowerPoint PPT Presentation

Ministry of Natural Resources and Forestry Phragmites australis control projects at Long Point and Rondeau Emergency Use Registration for application of herbicide over water Saturday April 22, 2017 Dustin Veenhof Partnership Specialist Aylmer


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Phragmites australis control projects at Long Point and Rondeau

Emergency Use Registration for application of herbicide over water

Ministry of Natural Resources and Forestry Saturday April 22, 2017 Dustin Veenhof Partnership Specialist Aylmer District MNRF

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In September 2016, the Ministry of Natural Resources and Forestry successfully

undertook a combination of aerial and ground herbicide treatments (as part of an Emergency Registration) to control Phragmites in wet areas at Rondeau Provincial Park and several sites in the Long Point area in partnership with several

  • rganizations

This work was completed as a pilot project to protect the significant natural values of

these important wetland ecosystems that were in danger of being lost. The pilot also included an extensive environmental monitoring program to assess the effects of the project.

PILOT PROJECT SUMMARY

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Project Objectives

  • Continue to support and enhance biodiversity

conservation by reducing the threat of invasive species through wetland restoration in strategic locations in Long Point and Rondeau

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2016 Phragmites Control

MNRF was approved for an EUR by Pest Management Regulatory Agency (PMRA) to control Phragmites in wet areas at Rondeau Provincial Park and Long Point area using glyphosate. Highlights

  • Aerial and ground treatments (500 ha) between Sept 6 and 23 – 400 ha in

Long Point – 80 ha of the 400 ha in the Crown Marsh.

  • 1st time a project of this scale was undertaken in Canada to control Phragmites

and supported by;

  • Nature Conservancy of Canada , Ducks Unlimited Canada, Long Point Waterfowlers’

Association, Bird Studies Canada

  • Local Community and First Nations
  • Neighbouring jurisdictions (States of Michigan and Ohio)
  • Environmental monitoring with University of Waterloo to assess the project

(ongoing into 2017 and beyond)

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PUBLIC COMMUNICATION (PRE-TREATMENT)

Notifications at Rondeau – Campers – Park day-users – Cottage leaseholders and other tenure holders – Park staff – Friends of Rondeau – Rondeau Yacht Club and boaters – Waterfowl hunters – Local municipality, police service, OPP, fire department – Health unit and local hospitals Notification at Long Point – Residents – Long Point Ratepayers’ Association – Bird Studies Canada – Boaters – Waterfowl hunters – Local municipality, police service, OPP, fire department – Health unit and local hospitals

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Conditions:

  • Wind and Weather
  • No rain or forecasted for 12 hours
  • No morning dew present
  • Winds less than 16km/hour
  • Speed & Height Restrictions
  • Maximum helicopter speed while

spraying is 60km/hour

  • Treatment occurs at 3m above plant

Accuracy:

  • MNRF provided GIS data mapping of

high density Phragmites cells; data was loaded into an automated navigation system

  • Boom width is not more than 65% of the

propeller diameter (down draft)

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FLIGHT CONDITIONS AND ACCURACY

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AERIAL TREATMENT

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ENVIRONMENTAL IMPACT MITIGATION Chemical Control:

  • Herbicide application followed all requirements outlined by

PMRA, MOECC, and product label

  • Application occurred during vulnerable life stages of

Phragmites (after seed-set)

Reducing non-target impact to wildlife and plants:

  • Herbicide application occurred over dense Phragmites stands
  • Timing window factors

– Outside of bird breeding/nesting window – Critical insect life stages complete – Most native plants passed maturity and in decay – Amphibians and reptiles will be staging – Outside of hunting days

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FLIGHT SUMMARY: LONG POINT REGION FLIGHT SUMMARY: LONG POINT REGION

Total aerial treatment: ~350 hectares

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FLIGHT SUMMARY: RONDEAU PROVINCIAL PARK

Total aerial treatment: ~100 hectares

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Prescribed Burn

  • The initial plan was to conduct a high complexity

burn in the Crown Marsh using MNRF Aviation Services to eliminate seed heads and biomass

  • Deep freeze conditions were needed for rolling

and burning

  • Rolling/cutting was still completed in the Crown

Marsh with intentions to improve herbicide contact in 2017 if the EUR is approved

  • Phragmites in parts of Long Point and Rondeau

Provincial Park was left standing – This will allow us to compare results and determine best management practices for future management

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March 2017

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Marsh Master Hydraulic Mower

Note scattered stalks and exposed water which allows light penetration to surface

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Rolling/Cutting March 2017

  • Rolling was applied to approximately half

the area that was treated with herbicide

  • Conditions were not favourable for this –

hard on equipment and a lot of area couldn’t be accessed with the machines

  • The marsh master was able to cut

phragmites in wetter/remote areas, resulting in post-treatment of some kind to approximately 90% of what was sprayed

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Comparing Results

Rolled Mowed

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Comparing Results Comparing Results

Cutting Cutting (Marsh Master):

  • Versatile, can reach most areas of

the Crown Marsh

  • Cuts phrag of all life stages
  • Ice may cause damage to the Marsh

Master and therefore timing window for use may be limited some years

  • Scatters the biomass and allows light

to penetrate ground surface or water

  • Fire would only an option in dryer

areas and even then may not readily carry fire – no removal of biomass and seed heads

  • For this specific project – cost per

hectare was approximately half compared to rolling

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Rolling Rolling (Centaurs/Argos with rollers):

  • Limited access, 30 cm of water is

the max limit for the equipment – machinery is prone to getting stuck past that

  • Young and spry phrag stems do

not roll well in warm/wet conditions

  • Effectiveness is dependent on

deep freeze conditions

  • When ideal conditions are met,

rolling creates a thick mat of phrag which readily carries a fire

  • Resources for rolling are currently

more readily available and when ideal conditions are met the job can be done quite quickly (ideal for working within a burn window)

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Recommended Approach for 2017/18 Recommended Approach for 2017/18

  • Submit ER for 2017/18 for Rondeau Provincial Park and

Long Point area

  • Up to1000ha

1000ha, including Crown and private lands, aerial and ground

application

  • Monitor and compare results of post-treatment activities and determine

best management practices for future management

  • Confirm interdivisional support
  • staffing and resources
  • Build capacity of partners to take leadership role in

future EUR

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In closing….

  • A big thank you to all partners and

contractors involved with marsh management this year. Looking forward to the remainder

  • f 2017….
  • Please forward any questions to:

Dustin Veenhof – MNRF Aylmer District dustin.veenhof@ontario.ca 519-773-4739