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Hydrilla vs. New York

UMISCOctober 16, 2018

comicvine.com

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Hydrilla in New York

High priority species prohibited by Part 575

Now found at 32 locations throughout New York

Often found near boat launches

Waterfowl also considered a vector

DeviantArt

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Hydrilla in New YorkFirst discovered in 2008 2008 - Creamery Pond, Orange County 2008 – Sans Souci Lake, Lotus Lake, Suffolk County2009 - Lake Ronkonkoma, Blydenburgh/New Mill Pond, Phillips Mill Pond, Suffolk County2009 – Frost Mill Pond, Suffolk County2011- Smith Pond, Great Patchoque Lake, Suffolk County; Cayuga Inlet, Tompkins County2012 – several private ponds, Broome County2012 – Cayuga Lake, Tompkins County; Tonawanda/Erie Canal, Niagara and Erie Counties2013 – Croton River, Westchester County2013 – Millers Pond, Suffolk County; Unnamed pond, Tioga County2014 – New Croton Reservoir, Westchester County2014 – Prospect Park, Brooklyn, Kings County2015 – Tinker Nature Park pond, Monroe County2016 – Aurora (Cayuga Lake), Tompkins County2016 – Spencer Pond, Tioga County2016 – Halsey Neck Road Pond, Suffolk County2018 - Kuhlman Pond, Tioga County2018 - Avon Pond, Frank Melville Pond, and East Setauket, Suffolk County2018 – Allison Pond, Staten Island, Richmond County

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Management Options in Place

1) No management

2) Benthic mats

3) Triploid Grass Carp

4) Herbicide

5) Combination (IPM)

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Option: No managementSuffolk County:• Lake Ronkonkoma (10 acres of 240

acres)• Sans Souci (southern 5 acres)• Lotus Lake (13 acres)• Blydenburgh/New Mill Pond (110

acres, coverage unknown)• Phillips Mill Pond• Great Patchogue Lake• Smith Pond• Millers PondOther Counties• Prospect Park Lake (Kings County)• And other ponds…

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Options: Triploid Grass Carp

Nassau County:• Frost Mill Pond (private)

Requires Triploid Grass Carp Stocking Permit

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Options: Herbicide only

Cayuga County: Aurora (Cayuga Lake)

Westchester County:Croton-on-Hudson

Tioga County:Spencer Pond

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Options: Herbicide

• Fluridone (long term) liquid or granular

• Endothall (short term)

• Copper (repeated short treatments)

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Options: Combination (Integrated Pest Management)

Monroe County: benthic mats + grass carp

Orange County: herbicide + grass carp

Tompkins County (Cayuga Inlet): herbicide + benthic mats + hand pulling

Erie/Niagara Counties (Erie Canal/Tonawanda Creek): herbicide + benthic mats + hand pulling

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Assessment for all treated sites

• Pre- and post-treatment aquatic plant surveys

• Repeated tuber density monitoring at what were the most dense locations

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High Priority LocationsTonawanda/Erie Canal (Buffalo area): linking Great Lakes to inland New York (USACE lead)

Aurora/Cayuga Inlet:Cayuga Lake ( acres) linked to other Finger Lakes by recreational watercraft (USACE lead)

Croton-on-Hudson: Croton River is a tributary of the Hudson River (DEC lead)

Spencer Pond: linked to Upper Susquehanna River by Little Nanticoke Creek (DEC lead)

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Prevention

Hydrilla Hunters

Boat Stewards

Organisms In Trade (OIT) Education and Outreach

Aquatic plant monitoring in Hudson and Mohawk Rivers

thetelegraph.co.uk

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Prevention: Hydrilla Hunters• Partnerships for Regional

Invasive Species Management (PRISMs)

• New York State Federation of Lake Associations (NYSFOLA)

• Citizen Statewide Lake Assessment Program (CSLAP)

• Consistent messaging

• Central report location

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Prevention: Boat Stewards• Statewide AIS spread prevention grants

• Partnerships for Regional Invasive Species Management

• > 200 locations• > 150,000 boat inspections• > 160,000 interactions

• Watercraft Inspection Steward Program app (WISPA)

• Supports NYCRR Part 576 (Reasonable Precautions) and AIS Management Plan J. Clayton, NYSDEC

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Prevention: Organisms in Trade

• Aquatic gardening• Aquaria/Hobbyists• Bait Sales• School classrooms/labs• Lab suppliers

Plantright.com

GooglePlay

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Detection and Response• NYS Rapid Response Policy

• NYSDEC Bureau of Invasive Species and Ecosystem Health

• Partnerships for Regional Invasive Species Management (PRISMs)

• NYS OPRHP (Parks) Invasive Species Strike Team/ WNY Aquatic Invasive Species Strike Team

• NYSDEC Regional Offices

Chris Doyle, Allied Biological

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Future Plans

- Re-assessment of management methods for smaller infestations (Suffolk County in particular)

- Continued focus on prevention and early detection and raising public awareness

- Continued monitoring through Hydrilla Hunters

www.wikipedia.org

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Future Plans

- Remaining flexible regarding control methods

- Continued communication across state borders

- Continuing the conversation about authority for treating on private property w/out landowner permission

TheWrap.com

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Acknowledgments

Willow Eyres, NYSDECHilary Mosher, FL PRISMJames BalyszakBob Johnson, Racine-Johnson EcologistsMike Greer, USACEScott Kishbaugh, NYSDECMike Netherland, USACENicole White, NYSDEC

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