Life in the Watershed

Early Life in the Water: Dragonflies, Mosquitos and Other Insects

Did You Know…Some Flying Insects Start Their Lives in Water? Many of the insects that live in our streams, lakes, ponds and wetlands are actually the immature stages of flying insects like dragonflies, damselflies, mayflies, midges and of course, mosquitos. These insects spend the first part of their life cycle in the water before becoming flying adults. The length of time this aquatic stage lasts is dependent on the insect. Some dragonflies take 4-5 years to complete this part of…

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How Do Dams Affect Fish and Water Quality?

Although there are many factors impacting urban stream systems from pollution to stormwater runoff to structures in the floodplains, dams create a host of problems for stream systems everywhere. What Did the Fish Say When It Swam Into the Wall? First and foremost, dams fragment stream systems preventing fish from freely move upstream. Even a low-head dam can create a barrier to our midwestern fish, that unlike salmon are not built to jump any significant height. These barriers block access…

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Healthy Rivers and Streams Have More Than Just Clean Water

How healthy is your local stream, lake or pond? Finding the answer requires looking at the three major components of water quality: chemical, physical and biological. Chemical is the one that most people think of when you talk about water quality – how much of a particular pollutant is in the water? But the biology, the critters that live there like fish, insects and mussels, and the physical habitat, like riffles and pools in streams or differing depths in a…

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Naperville, IL 60565

Phone: 630-428-4500
Fax: 630-428-4599
jhammer@theconservationfoundation.org

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Upcoming member meetings

July 19th

September 17th

November 19th