Dogwood Lake, Trumbull - 2022

2022 Aquatic Plant Survey Map of Dogwood Lake

Transect Data | Water Data

Dogwood Lake is a 3.5-acre waterbody in Trumbull, Connecticut. It is a town lake with public access on Teeter Rock Road. The lake is relatively shallow with a maximum depth of six feet. This is the second CAES IAPP survey of Dogwood Lake. The first survey was completed in 2020, which found the invasive species, Brazilian waterweed (Egeria densa) and parrotfeather (Myriophyllum aquaticum) occupying much of the lake. The lake was treated with herbicides in 2021 and 2022 to target these invasive species. Vegetation abundance in the lake significantly decreased after the treatments. Very sparse parrot feather remained after the 2022 treatment which hand pulling could eliminate.

Dogwood Lake does not have a diverse population of aquatic plant species. In 2022, CAES IAPP found 4 aquatic plant species in the lake, which has decreased from 9 aquatic plant species in 2020. Parrotfeather (Myriophyllum aquaticum) was the only invasive aquatic plant species found in 2022. After being a dominant species in 2020, Brazilian waterweed (Egeria densa) was not found in the 2022 survey.

Three wetland species were recorded in 2022 including cattail (Typha sp.), phragmites (Phragmites australis), and purple loosestrife (Lythrum salicaria). Phragmites and purple loosestrife are invasive non- aquatic species that were present in our previous surveys however this is the first survey where purple loosestrife was recorded.

Other Dogwood Lake Surveys: 2020