Don Yurewicz
Invasive Species in New Hampshire
Conway Lake is currently free of invasive (aka "exotic") species. The posts below include descriptions of invasive plants and animals we...
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mariagross
Jul 24, 20202 min read
European naiad with important distinctions
July 24 Per my request, Cliff Cabral has now given us the chance to see 4 invasive specimens he is currently harvesting. Three from...
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mariagross
Jun 5, 20204 min read
Cyanobacteria vs Filamentous Green Algae
Quick ways to detect the differences Download the BloomWatch app (Cyanos.org) A cyanobacteria bloom on a NH Lake. Photo courtesy NH DES...
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Don Yurewicz
Mar 21, 20201 min read
Variable Milfoil - Exotic
Variable Milfoil is present in 75 locations in NH including Ossipee, Squam and Winnipesaukee lakes. We should be hyper-vigilant to the...
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Don Yurewicz
Mar 20, 20201 min read
Eurasian Water Milfoil - Exotic
While Eurasian Water Milfoil is not common in NH lakes, it is present and we need to be vigilant to its introduction. Once present in a...
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Don Yurewicz
Mar 19, 20201 min read
Curly Leaf Pondweed - Exotic
Curly Leaf Pondweed has been found in Lake Winnepausaukee so we should be on the lookout for this exotic in Conway Lake. Curly Leaf...
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Don Yurewicz
Mar 15, 20201 min read
Fanwort - Exotic
Fanwort is currently found in the following waterbodies in New Hampshire: Arlington Mill Reservoir in North Salem, Big Island Pond in...
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Don Yurewicz
Mar 10, 20201 min read
Hydrilla and Brazilian Elodea - Exotics
Hydrilla is present in the nearby states of Maine, Massachusetts, Connecticut, and Pennsylvania, and Brazilian elodea is present in Nuts...
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Don Yurewicz
Mar 5, 20202 min read
Water Chestnut - Exotic
Water Chestnut has invaded portions of the Connecticut and Nashua rivers in New Hampshire and is present in nearby states. Source:...
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Don Yurewicz
Mar 5, 20201 min read
Spiny Naiad (Najas minor), aka European Naiad - Invasive
Spiny Naiad is currently found in 7 locations within New Hampshire! Spiny Naiad is a submersed rooted or floating plant. Leave are...
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Don Yurewicz
Mar 3, 20201 min read
Spiny Waterflea (EXOTIC)
Photo by Gary Montz (https://www.invasivespeciesinfo.gov/profile/spiny-water-flea) Spiny waterflea is a planktonic crustacean less than...
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Don Yurewicz
Mar 2, 20201 min read
Chinese Mystery Snail (EXOTIC)
There are over 80 infestations of Chinese Mystery Snail in New Hampshire! http://www.moonlake.org/blog/2011/08/02/chinese-mystery-snail-u...
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Don Yurewicz
Mar 1, 20201 min read
Zebra Mussels (EXOTIC)
Zebra mussels are small shellfish marked by alternating light and dark bands. They are typically two inches or less...
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Don Yurewicz
Mar 1, 20201 min read
Asian Clam (EXOTIC)
The Asian clam has been identified in 7 waterbodies within New Hampshire. The Asian clam is a small (<50 mm) lightly-colored bivalve. ...
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