Japanese knotweed (Reynoutria japonica) is among the most aggressive invasive plants in North America, known for damaging infrastructure, displacing native species, and forming dense monocultures along waterways and other disturbed landscapes. This webinar examines the plant’s origins, its introduction and spread across the United States, and the biological traits that make it such a persistent ... Read more
Oh DEER! Symposium Addressing Challenges, Exploring Solutions The Oh DEER! Symposium brings together regional experts and community members to address the deer population impact on Long Island. Attendees will examine the ecological and economic complications caused by white-tailed deer. Featuring Keynote Speaker Dr. Bernd BlosseyProfessor, Department of Natural Resources and the Environment, Cornell University There ... Read more
Join the Sisters of St. Joesph Sustainability Department for their very first annual BioBlitz! A BioBlitz is a community science event where participants race to identify as many species of life within a given time period. The BioBlitz project will help categorize and document the diversity within the 212 - acre campus. The day will ... Read more
Join the Finger Lakes PRISM to learn about emerging research on how Japanese knotweed's naturally occurring compounds (phenolics) may influence soil bacterial communities, how our Terrestrial Invasive Species (TIS) team is mapping and tracking infestations across the Finger Lakes, and the practical steps landowners and community members can take to identify, report, and manage this ... Read more
From Detection to Decision: Environmental DNA for Invasive Species Management will be held virtually on September 9, 2026, from 10:00 a.m. – 2:30 p.m. Eastern. This summit will explore how environmental DNA (eDNA) is transforming invasive species management by providing powerful new tools for early detection, monitoring, and decision-making. The event will bring together researchers, ... Read more
Saturday, September 12, 2026 10:00 AM 3:00 PM Long Island Native Plant Initiative1725 Brentwood RoadBrentwood, New York, 11717 Join the Long Island Native Plant Initiative's Fall Native Plant Sale & Environmental Fair on September 12 & 13, from 10:00 AM to 3:00 PM, at the LINPI Nursery on the Sisters of St. Joseph campus in Brentwood. Shop a ... Read more
This webinar will provide an overview of current monitoring and research efforts, including the use of electrofishing to assess blue catfish populations and improve estimates of abundance in key waterways. Our presenter will share insights into how improved data collection and collaborative efforts are helping guide management actions in a large and complex estuarine system.
New Location: Marine Nature Study Area (MNSA) - 500 Slice Dr, Oceanside, NY 11572 Save the date for LIISMA’s next in-person Partners Meeting and Workshop on Friday, September 18, 2026, hosted at the Marine Nature Study Area in Oceanside, NY. The program will feature a LIISMA spotlight on Phragmites management at Sears Bellows County ... Read more
Join the Friends of the Long Pond Greenbelt for a fun-filled, family-friendly day celebrating Long Island’s outdoor treasures! Explore local wildlife, take guided nature walks, and enjoy hands-on activities for all ages. The 27th Annual Long Pond Greenbelt Celebration is on Saturday, October 10, at Vineyard Field in Bridgehampton!
Session 1: The Power of Volunteers
From nutria to lionfish, natural resource managers and culinary artists have speculated that harvest and use of invasive species could provide a means of managing or even eliminating nuisance populations. Through multiple reviews of the scientific and popular literature, we have concluded that, if used properly, incentivizing and encouraging public or commercial harvest could represent ... Read more
In the wake of new detections and regulations in the Pacific Northwest (PNW), the Don’t Move Firewood campaign has heightened its targeted outreach efforts in Oregon and Washington in recent months to create new relationships and expand networks of communication on the firewood-forest health connection. Alex, our firewood outreach specialist, will share his structured situation ... Read more