Water Chestnut Organizers iMapInvasives Training

Calling all water chestnut removal organizers! There is a state-wide effort to manage water chestnut and to capture efforts in iMapInvasives. This information is of interest to the NYS Department of Environmental Conservation and is being compiled by iMapInvasives into an interpretive dashboard intended to showcase efforts over time. iMapInvaives is hosting a training on […]


  June 5th-the 11th New York observes Invasive Species Awareness Week (NYISAW). This is a state-wide outreach campaign aimed to raise awareness and engage the public to take action to protect their lands and waters from the impacts caused by invasive species. Organizations and stakeholders across the state will be hosting outreach events during this […]

NYISAW Native Alternatives to Common Invasive Garden Plants Webinar

Spring is here and it's time to start thinking about gardening! Selecting what plants you will grow can be exciting but you could be playing a role in the introduction of invasive plants. Many invasive plants were once considered desirable ornamentals that were intentionally introduced to gardens and landscapes only to escape into our natural […]

NYISAW Yellow Flag Iris Removal


What: Manual removal of yellow flag iris. When: Thursday, June 8th, 10 AM- 12 PM Where: South Colwell Pond at the Montario Point Boat Launch located on Montario Point Road, Henderson, NY Details: No experience is needed and tools will be provided. Bring a kayak or canoe to join an optional paddle to the beach for a bring-your-own […]

NYISAW Walk, Talk, Art

RAIN OR SHINE Date: Friday, June 9th, 2023 Urban Arboretum Walk & Talk: 6 PM-7:15 PM Invasive Species Art Exhibit: 7:30 PM-8:30 PM  REGISTER  In observance of New York Invasive Species Awareness Week (NYISAW), there will be a special two-part event held in downtown Watertown. The event will begin promptly at 6 PM out front […]

2023 Eastern Lake Ontario Invasive Species Symposium (registration closed)

Symposium Agenda Symposium Resources Symposium Speaker & Exhibitor Showcase On June 22nd will host our Eastern Lake Ontario Invasive Species Symposium. Registration is required for this FREE in-person single-day event to be held at the Tailwater Lodge in Altmar, NY located at 52 Pulaski St, Altmar, NY 13302. During the Symposium you will hear from […]

Volunteers Needed to Assist Restoration Planting

June 24th-29th 9 AM-3 PM EST South Sandy Creek car-top boat launch, located at 2234 Route 3 in Mannsvillle, NY REGISTER Volunteers are needed to assist with plantings to occur from June 24th through the 29th at the Lakeview Wildlife Management Area South Sandy Creek car-top boat launch located at 2234 Route 3 in Mannsvillle, […]

Water Chestnut Pulls in SLELO and Beyond

Join water chestnut removal efforts occurring in the SLELO region and beyond. Water chestnut (Trapa natans) is an invasive aquatic plant that grows thick, dense, floating mats that impede aquatic recreation, reduce waterfront property values, and alter aquatic ecosystems. Water chestnut populations can be suppressed through manual removals of their floating rosette and nutlets. What to […]

Oswegatchie River Water Chestnut Removal Effort

Saturday, July 15th, 2023 10 AM- 4 PM EST Oswegatchie River Event Press Release Facebook and Instagram graphics Facebook Event Link  REGISTER   Water chestnut is an invasive aquatic species that grows dense floating mats that impede outdoor recreation and reduce shoreline property values. There is an infestation of water chestnuts on the Oswegatchie River […]

Native Alternatives to Common Invasive Plants Webinar

September 14th, 1 PM-2 PM (EST) Webinar via Zoom REGISTER Many invasive plants were once considered desirable ornamentals that were intentionally introduced to gardens and landscapes only to escape into our natural environments. You can play a vital role in the introduction and prevention of invasive plants by choosing to grow native species and taking […]

Volunteers Needed for an Invasive Species Removal Workday

Minna Anthony Common Nature Center 4927 Cross Island Road, Fineview, NY 13640

Invasive Species Removal Workday hosted by NYS Office of Parks Recreation and Historic Preservation When: Saturday, September 3rd Time: 10 AM-4 PM EST Where: Minna Anthony Nature Center located at, 44927 Cross Island Rd, Fineview, NY 13640 on Wellesley Island Contact: 315-482-2479 Details: Come join the Nature Center at Wellesley Island State Park for their Invasives Removal Workday! We will be focusing […]

2023 New York Invasive Species Expo

Save the date for the 2023 Invasive Species Expo at beautiful Saratoga Spa State Park in Saratoga Springs, NY! The NYS DEC Invasive Species Coordination Section and statewide partners are sponsoring an ‘Invasive Species Expo’ on September 24th – 26th and will be a hands-on experience featuring presentations, demonstrations, workshops, and opportunities for small-group discussions. […]

Contact megan.pistolese@tnc.org to list your events on our events page and on Facebook.  

SLELO PRISM Partner Meeting Schedule: Our partners have decided to meet on a seasonal/quarterly basis. We will meet the third week of these months:  January, April, July, and October alternating between  Wednesdays and Thursdays, starting at 10 am.

If you want to receive partner meeting announcements please email rwilliams@tnc.org .

Save the Date for 2023 Partner Meetings:

Thursday, October 12th

Keewaydin State Park – Marina Pavilion, 10 am-12 pm 45165 State Route 12, Alexandria Bay, NY 13607

The PRISM Network hosts a monthly Speaker Series on the last Wednesday of each month (except, July, August, and December).

View the Webinar Schedule & Access Recordings

iMapInvasives holds training webinars after the PRISM  Speaker Series from 1 pm-2 pm. Visit the iMap website for details and to register. 

 View Events Pages of the PRISM Network


Capital Region PRISM 

Catskill (CRISP) PRISM 

Finger Lakes PRISM

LIISMA (Long Island) PRISM  

Lower Hudson PRISM

Western NY PRISM