top of page
Our Annual Wreath Sale is December 5th from 11am-1pm. Please note: The sale is at the NORTH SIDE trailhead this year!


Tick Defense: Evaluating Repellent Effectiveness Against Host-Seeking Ticks at ACLT
Whether you’re hiking ACLT trails, volunteering at events, or stewarding the landscape, ticks are simply something we all must contend with. This past summer, I conducted a second tick surveillance study to build on the findings of ACLT’s first formal tick surveillance study, which I carried out during the spring and summer of 2025. The 2025 study established the sampling protocols used in this year’s survey and provided valuable insight into tick populations across ACLT prop
Addie Brown
Oct 278 min read


ACLT Permanently Protects Key 90-Acre Property
New acquisition preserves critical habitat in Calvert County and expands opportunities for public access. In June, ACLT acquired and permanently protected one of the largest remaining undeveloped properties in the Parkers Creek Watershed - a beautiful 90-acre tract of land that increases ACLT's preserved lands to more than 3,500 acres. This acquisition represents another important milestone in our 40-year commitment to conserving the natural and cultural resources that make t
Addie Brown
Jul 132 min read


An Unwelcome Visitor Comes to ACLT
By Addy Dunbar, Double Oak Farm Manager 2025-2026 Climate Corps and Maryland Corps Member Spotted lanternfly-Photo by Lawrence Barringer, Pennsylvania Department of Agriculture, Bugwood.org A new and not-so-welcome visitor is coming to Southern Maryland, and we’ve got our first few arrivals at ACLT. The spotted lanternfly (SLF), an invasive insect species native to China, Vietnam, and India, has been in the US since 2014, when it was first identified in Pennsylvania. Since
Addie Brown
Jan 213 min read


Baseflow Nitrogen Concentrations in Hunting Creek Tributaries, 2021-2025: Mostly Good News!
Since 2021, the Friends of Hunting Creek (FOHC) have been the self-proclaimed eyes, ears, and advocates for Calvert County’s largest watershed. Their longest-running method of monitoring is a simple yet effective once-a-year program known as the Water Quality Blitz. Each spring, the FOHC takes to the non-tidal, upper tributary streams of the Hunting Creek watershed, collecting water samples for nitrogen (NO23) analysis. By timing the Blitz with early spring, pre-leafout condi
Addie Brown
Oct 23, 20252 min read


Addie Brown
May 28, 20258 min read


Addie Brown
Apr 16, 202538 min read


Addie Brown
Apr 10, 20254 min read


Addie Brown
Apr 1, 20255 min read


Addie Brown
Mar 28, 20256 min read


Addie Brown
Feb 20, 20254 min read


Addie Brown
Dec 5, 20243 min read
Addie Brown
Nov 22, 20246 min read


Addie Brown
Jun 14, 20247 min read


Addie Brown
Apr 16, 20243 min read


Addie Brown
Feb 3, 20249 min read
Addie Brown
Dec 4, 20232 min read


Addie Brown
Nov 28, 20233 min read


Addie Brown
Sep 19, 20232 min read


Addie Brown
Jul 27, 20236 min read


Addie Brown
Apr 19, 202310 min read
bottom of page