MARYLAND DEPARTMENT OF NATURAL RESOURCES

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General​ Information​

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More from DNR​​​

Maryland Department of Natural Resources biologists perform winter fyke net surveys in the Little Blackwater River in 2019. Maryland DNR photo by Stephen Badger,
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DNR Study: Other Fish Species Declined After Arrival of Chesapeake Channa in Maryland Waters​​

A comparison of fish communities in the Blackwater River drainage near Cambridge before and after the introduction of non-native Chesapeake Channa, also known as northern snakehead, found lower relative abundances for 19 of 22 resident species observed, resulting in differences in community structure and biodiversity after the introduction.
This beautiful brown trout is an example of the wonderful catch and release opportunities available in some of the special trout management waters. Photo by John Mullican, Maryland DNR​​​​
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Maryland Fishing Report – Midwinter 2025​​

The cold hand of winter may be loosening its icy grip on the Maryland landscape with warmer temperatures forecast this week. Fast-moving streams and creeks in the western region are providing excellent trout fishing opportunities.
​Scenic Landscapes New Dawn on the Chesapeake Bay by S.C. Bridgman
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Secretary’s Message: Charting a New Course for Chesapeake Bay Restoration in Maryland

It’s time to re-invigorate our strategy and build on significant work and progress we started more than 40 years ago to restore the Chesapeake Bay.​
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Powered by solar panels, the sonicator buoy sits in Hunting Creek Lake in Frederick County. Photo by Joe Zimmermann/DNR​​​​
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​New Technology Helps Beat Back Harmful Algal Blooms

The Maryland Department of Natural Resources is identifying and controlling toxic algae several ways, from sophisticated imaging to sonic waves​​
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Francis Smith, Maryland’s lead agroforestry planner, points out a persimmon at the White Marsh Park Edible Trail. Photo by Joe Zimmermann, Maryland Department of Natural Resources. ​​​​​​​​​

Food Forests Bring Fruit Harvests and Deeper Connections to Land ​​​​

The Edible Trail is what might be called a food forest, or a forest garden. It’s an example of agroforestry—a range of practices that incorporate primarily native fruit and nut-bearing trees and shrubs as well as herbaceous species and fungi into the landscape​.​
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​NRP officers rescue eastern box turtles and eastern painted turtles from a Hollywood residence in October. Maryland DNR photo.
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Maryland Natural Resources Police Report: Fall 2024​​​​

The Maryland Natural Resources Police (NRP) issued various citations and made numerous arrests for violations of criminal and natural resource law throughout the fall season of 2024.​
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Where Do Birds That Leave Maryland for the Winter Go?


Maryland, especially the coastal areas along the Chesapeake Bay, attracts many migrating northern birds during the winter, but that migratory pull goes in both directions.

​ Click here for more!​​​​ ​​​​
​​​Baltimore oriole. Photo by Jeff Dyke 
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