Our Work

The latest projects in liisma

Fieldwork in Focus September 2026

  LIISMA continued its work to reduce the threat of invasive species in September, working in our fresh waters with waders and tidal zones with conservation dogs. At Artist Lake

August 2026 Field Work in Focus

August brought another month full of invasive species challenges on the land and in the water. From swallow-wort in the Pine Barrens, to chaff flower in Brooklyn, and water chestnut

Field Work in Focus July 2026

  With summer in full swing, LIISMA has been working harder than ever to survey, educate, and coordinate response to invasive species. This July we worked across the region, from

Field Work in Focus June 2026

As the field season gets into full swing, LIISMA has been hard at work managing invasive species across the region, reaching the parks of New York City to the shores

Fieldwork In Focus, May 2026

Written by: Matt Stanton and Melody Cerniglia After a long, cold winter, the LIISMA team is excited to report its first visits of the 2026 field season, several of which

Notes From The Field, October 2025

Early Detection and Rapid Response  Written by Melody Cerniglia After a long field season filled with many new and old projects to explore and manage, LIISMA is finally seeing things

How we work

Long Island Metro Aquatic Invasive Species (LIMAIS)

With this task force, we're teaming up to stop aquatic invaders.

Invasive Species Prevention Zones (ISPZ)

A formal LIISMA designation for a natural area supporting exceptional biodiversity dominated by native species.

The Tier List

A resource that ranks New York's invasive species, so that together we can manage them.