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Mark Gallagher, Vice President of Princeton Hydro, has been appointed to the Friends of Abbott Marshland Advisory Board.
The Abbott Marshlands is composed of 3,000 acres of wetlands and uplands located on the western edge of central New Jersey in Mercer County. It is the northernmost freshwater tidal marsh on the Delaware River and contains valuable habitat for many rare species like River Otter, American Eel, Bald Eagle, and various species of wading birds.
Unfortunately, this ecosystem has faced challenges partially due to the invasion of the aggressive Common Reed (Phragmites australis), causing substantial habitat loss and degradation. In response to these challenges, the Friends for the Abbott Marshlands have dedicated themselves to enhancing appreciation and protection of this precious ecosystem. Their mission focuses on engaging and inspiring a diverse community to experience the unique nature and history of the Abbott Marshlands. Their priorities involve expanding community involvement, advancing educational programs through the Tulpehaking Nature Center, enhancing organizational capacity, and working in cooperative stewardship efforts.
Since its inception, the Friends for the Abbott Marshlands have played a pivotal role in advocating for the preservation and stewardship of the marshlands. They’ve organized various educational programs, symposia, nature walks, and juried photography shows to raise awareness and encourage stewardship of this unique ecosystem. The Friends for the Abbott Marshlands Advisory Board meets periodically to advise on program design and execution, fundraising, and engagement in any and all activities related to the preservation of the Abbott Marshlands.
The area is named “Abbott Marshlands” in recognition of the important archaeological legacy of the marsh and of Charles Conrad Abbott, a 19th and early 20th century archaeologist and naturalist, who lived on the bluffs near the marsh and who wrote extensively about it.
Recognizing the urgent need to restore the Abbott Marshlands, Mercer County contracted Princeton Hydro to spearhead a multi-year, multi-phased restoration initiative. The project aimed at reducing and controlling the invasive Phragmites australis while increasing the presence of native marsh vegetation.
Princeton Hydro conducted a Floristic Quality Assessment to identify invasive areas and to establish a baseline for the restoration efforts. The team also performed hydrologic monitoring to understand tidal stage elevations. From 2018-2019, herbicide treatments were consistently conducted to combat the invasive phragmites. In the winter of 2019-2020, 46 acres of phragmites was cut and rolled with our Marsh Master using a modified steel roller attachment. The phragmites was then removed by raking, which in turn exposed the marsh plain’s substrate and seedbank to promote germination of the native marsh vegetation. Extensive areas of wild rice, mud plantain, broad leaved cattail, water purslane, pickerelweed, and arrow arum colonized the areas formerly overtaken by phragmites within the first growing season after the marsh plain was exposed. The project also includes the creation of 500 linear feet of living shoreline, a freshwater mussel bed, and a sustainable boat launch.
This comprehensive and collaborative restoration effort not only targets invasive species but also focused on enhancing biodiversity; improving recreational opportunities such as kayaking and bird watching; enhancing the overall visitor experience at John A. Roebling Memorial Park, which is part of Abbott Marshlands; and creating opportunities for community engagement and appreciation of this natural treasure.
Click here to learn how you can get involved with supporting and participating in initiatives aimed at protecting and cherishing the Marshlands for generations to come. To take a deeper dive into Princeton Hydro’s work at Abbott Marshlands, click here.
A founding partner of Princeton Hydro, Mark is a pioneer in the field of restoration ecology, and helped get the conservation science movement off the ground in the 1980s. He holds a Bachelor of Science in Biology from Moravian College and Master of Science in Plant Ecology from Rutgers University. For more than two decades, Mark has overseen wetland and terrestrial ecology projects at Princeton Hydro, including many complex restoration projects that require unique solutions.
Mark, along with Princeton Hydro team members Dana Patterson and Michael Rehman, CERP, PWS and representatives from Mercer County and Friends of the Abbott Marshlands, led a educational course and field exploration of the Abbott Marshlands as part of the New Jersey Department of Environmental Protection (NJDEP) annual Youth Inclusion Initiative. Learn more here.
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