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comicvine.com

Hydrilla vs.

UMISC October 16, 2018 2

Hydrilla in New York

High priority species prohibited by Part 575

Now found at 32 locations throughout New York

Often found near boat launches DeviantArt

Waterfowl also considered a vector 3

Hydrilla in New York

First discovered in 2008 2008 - Creamery Pond, Orange County 2008 – Sans Souci Lake, Lotus Lake, Suffolk County 2009 - Lake Ronkonkoma, Blydenburgh/New Mill Pond, Phillips Mill Pond, Suffolk County 2009 – Frost Mill Pond, Suffolk County 2011- Smith Pond, Great Patchoque Lake, Suffolk County; Cayuga Inlet, Tompkins County 2012 – several private ponds, Broome County 2012 – Cayuga Lake, Tompkins County; Tonawanda/Erie Canal, Niagara and Erie Counties 2013 – Croton River, Westchester County 2013 – Millers Pond, Suffolk County; Unnamed pond, Tioga County 2014 – New Croton Reservoir, Westchester County 2014 – Prospect Park, Brooklyn, Kings County 2015 – Tinker Nature Park pond, Monroe County 2016 – Aurora (Cayuga Lake), Tompkins County 2016 – Spencer Pond, Tioga County 2016 – Halsey Neck Road Pond, Suffolk County 2018 - Kuhlman Pond, Tioga County 2018 - Avon Pond, Frank Melville Pond, and East Setauket, Suffolk County 2018 – Allison Pond, Staten Island, Richmond County 4

Management Options in Place

1) No management

2) Benthic mats

3) Triploid

4)

5) Combination (IPM) 5

Option: No management

Suffolk 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 Pond Other Counties • Prospect Park Lake (Kings County) • And other ponds… 6

Options: Triploid Grass Carp

Nassau County: • Frost Mill Pond (private)

Requires Triploid Grass Carp Stocking Permit 7

Options: Herbicide only

Cayuga County: Aurora (Cayuga Lake)

Westchester County: Croton-on-Hudson

Tioga County: Spencer Pond 8

Options: Herbicide

• Fluridone (long term) liquid or granular

• Endothall (short term)

• Copper (repeated short treatments) 9

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 10

Assessment for all treated sites

• Pre- and post-treatment aquatic surveys

• Repeated tuber density monitoring at what were the most dense locations 11

High Priority Locations

Tonawanda/Erie Canal (Buffalo area): linking Great Lakes to inland New York (USACE )

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

Croton-on-Hudson: Croton River www.youtube.com is a tributary of the Hudson River (DEC lead)

Spencer Pond: linked to Upper Susquehanna River by Little Nanticoke Creek (DEC lead) 12 13

Prevention

Hydrilla Hunters

Boat Stewards

Organisms In Trade (OIT) thetelegraph.co.uk Education and Outreach

Aquatic plant monitoring in Hudson and Mohawk Rivers 14

Prevention: Hydrilla Hunters

• Partnerships for Regional Management (PRISMs)

• New York State Federation of Lake Associations (NYSFOLA)

• Citizen Statewide Lake Assessment Program (CSLAP)

• Consistent messaging

• Central report location 15

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 16

Prevention: Organisms in Trade

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

GooglePlay 17

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 Chris Doyle, Allied Biological

• NYSDEC Regional Offices 18

Future Plans

- Re-assessment of management methods for smaller infestations (Suffolk County in particular) - Continued focus on prevention and early detection and raising public www.wikipedia.org awareness - Continued monitoring through Hydrilla Hunters 19

Future Plans

- Remaining flexible regarding control methods - Continued communication across state borders - Continuing the conversation about authority for treating on TheWrap.com private property w/out landowner permission 20

Acknowledgments

Willow Eyres, NYSDEC Hilary Mosher, FL PRISM James Balyszak Bob Johnson, Racine-Johnson Ecologists Mike Greer, USACE Scott Kishbaugh, NYSDEC Mike Netherland, USACE Nicole White, NYSDEC www.wikipedia.org