Preserving Lakes: Ramsey County's Vigilance Against Invasive Rusty Crayfish
In a forward-looking initiative, Ramsey County Soil and Water Conservation Division (RCSWCD) forged a crucial partnership with the University of Minnesota in 2023 to tackle the growing threat of invasive rusty crayfish in Ramsey County lakes. Utilizing cutting-edge DNA detection techniques, the University played a pivotal role in confirming the presence of these invasive crayfish species. RCSWCD then verified the infestation in Lake McCarron through the examination of a live sample.
Building on the success of this collaboration, RCSWCD is gearing up for an intensified effort in the upcoming summer of 2024. Their strategy involves the creation of upcycled traps crafted from old parking signs, a creative and sustainable approach to expanding their monitoring capabilities. This innovative approach demonstrates a commitment to both environmental conservation and resourcefulness in addressing the invasive crayfish issue.
Understanding the threat posed by invasive crayfish is crucial. These unwelcome inhabitants can wreak havoc on aquatic ecosystems by destroying plant beds and outcompeting native crayfish and fish for food and habitat. Rusty crayfish, specifically, are among the many invasive crayfish species in Minnesota's waters, often introduced through the illegal release of bait or aquarium pets. The RCSWCD's ongoing efforts to detect and manage these invasive species—and many others—play a vital role in preserving the delicate balance of local aquatic environments.
One important aspect highlighted in this initiative is the need for public cooperation. The disposal of bait in the trash, rather than releasing it into lakes, is a simple yet effective measure that significantly reduces the risk of new infestations. By fostering awareness and responsible practices, the community can actively contribute to the protection of their local water bodies.
As Ramsey County prepares to face the challenges posed by invasive rusty crayfish, the collaborative efforts between the RCSWCD and the University of Minnesota serve as a beacon of proactive environmental stewardship. Through continued vigilance, innovative solutions and community engagement, the partnership aims to safeguard the integrity of lakes for generations to come.
About the RCSWCD
The Ramsey County Soil and Water Conservation Division conserves and enhances natural resources in Ramsey County by providing technical, financial and educational support to residents, property owners, and state, local, and federal governmental agencies and environmental organizations. Our areas of focus include:
- Groundwater protection and aquifer observation well (obwell) monitoring.
- Terrestrial and aquatic invasive species prevention and reduction.
- Erosion control.
- Watershed assessment.
- Wetland Conservation.
For more information, reach out to Director of Operations, Ann White-Eagle.