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Ship Island on a rainy day - photo courtesy of Don Yurewicz


Lake Dynamics:

Introduction to Lake Modelling - the first half of this webinar is an excellent review of lake dynamics.


Eagles and NH Lakes - The sight of eagles soaring over our lakes is becoming a more and more common occurrence here in New Hampshire.  Find out how the population of eagles is recovering throughout the state and what you can do to help!
Otters, Beavers, Turtles & Frogs
Loon Monitoring & Recovery in New Hampshire  - Presented on Wednesday, July 29, 2020 by Caroline Hughes, Outreach/Volunteer Coordinator, Loon Preservation Committee, and Harry Vogel, Senior Scientist and Executive Director, Loon Preservation Committee

Living on a Lake:

Lake Friendly Living - Webinar Series  These webinars cover ways in which we, as homeowners on the lake, can live "smart" and maintain the pristine conditions  that we, and all that use the lake, enjoy. They show how to create a landscape that is beautiful, functional and protects our lakes, how maintain your septic systems so that they don't pollute our lake, and how to maintain gravel roads and driveways to reduce polluted runoff water that flows into our lakes,  and streams. 

Climate Change:

NH's Changing Climate and Lakes - The climate in New Hampshire is changing. Find out how and what this means for our water resources and our lakes.

Influence of Warming Climate on Aquatic Invaders in Maine Lakes -This is a fascinating and sobering presentation by Roberta Hill to the Lake Stewards of Maine and very relevant to our lakes in New Hampshire. Our northern lakes have historically been protected to some degree by a relatively cool climate. Many species of invasive flora and fauna that have successfully infested lakes throughout much of the US have failed to gain a foothold in the Northeast, in part due to our long, cold winters, and cool water temperatures. Roberta Hill provides an overview of the affects of climate change upon Maine lakes (and by association New Hampshire Lakes), and discusses the implications for local native lake communities.


Invasive Species:

An Overview of New Hampshire's Weed Watcher Program by Amy Smagula -This is an excellent talk by Amy Smagula from the New Hampshire DES on the importance of, and how we go about our work, as volunteers surveying for invasive aquatic plants.  Click here a copy of the slides that accompany her talk.

Invasive Plant Patrolling 101 from the Lake Stewards of Maine - Below are links to three presentations by the Lake Stewards of Maine to get you started, or to refresh your knowledge of how we patrol, and what to look for when we patrol for invasive aquatic plants. All are highly recommended.

Part 1: Introduction to Aquatic Invaders in Maine

Part 2: How to Hunt for Aquatic Invaders

Part 3: Aquatic Plants; How to Identify Maine’s 11 Most Unwanted and their Common Native Look-Alikes

Cyanobacteria in NH Lakes  - Watch this webinar and find out what cyanobacteria is, what blooms look like, and what they tell us about the health of our lakes. You’ll also learn what is being done across the state to prevent and monitor for these harmful blooms and what to do if you think you’ve spotted one.

Presented by Amanda McQuaid, Ph.D., Harmful Algal and Cyanobacteria Bloom Program, New Hampshire Department of Environmental Services


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