Author Archives: Andrew Sabai

What is a sedge?

What are Sedges? Sedges are a family of plants, the Cyperace. Most sedge species superficially resemble grasses, but upon close examination have several unique characteristics. Continue reading

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What is Riprap

Rip rap are hard structures usually made from rock or other debris on the shores of lakes and river to prevent erosion, but often it is just installed for looks. Continue reading

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Swamp Aerial Video

I just finished editing and uploading my last video from last summer.  This aerial video is a low altitude flight over a wetland in NE Wisconsin.  It is late September and the leaves of the trees are just beginning to … Continue reading

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Spring is Coming!

This week the temperature was warm and the kids were in school, so I took the opportunity to get outside and enjoy the sun after a very cold February. I hope to be getting out a lot this year to … Continue reading

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Drainage Ditch Flight

Latest edit of a low altitude flight over sedge meadows I made last June.  These ditches run through Poygan State Wildlife Area in Wisconsin.  Some were dug to help drain nearby farmland and some were dug decades ago for ducks … Continue reading

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Cooper’s Hawk on Birdfeeder

The Cooper’s Hawk (Accipiter cooperii) has become a much more common site in urban areas in my lifetime.  The Cooper’s Hawk feeds almost exclusively on other birds so the House Sparrows and other common city birds are great food source.  We … Continue reading

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Frog on Ice

A couple of days ago I took a walk down by a small spring-fed creek.  The air temperature was about 4°F (-16°C), but since the creek is fed by numerous springs the stream was nearly free of ice.  Winter time … Continue reading

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What Good is a Grass Fire?

The benefits of fire may be somewhat obvious, but there are others we forget today.  People throughout the world have used fire to alter their environment to their benefit.  On a small scale, traditional fires may have cleared a portion … Continue reading

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Lake Poygan Time Lapse

While my son and I were working hard at harvesting phragmites for transplanting I set up my GoPro Hero 3+ on a tripod to record some time lapse footage of the marsh and sky.  When it came time to plant … Continue reading

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What is Detritus?

Detritus is debris or waste of any kind.  When we think specifically of detritus in lakes and wetlands we think of the undecayed organic matter of plants and animals.  It is this that is typically the main source of nutrients … Continue reading

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