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9 March 2017
Lugworm casts on the beach, Islay
Who dwells beneath the sands of Islay? Lugworms do. These embedded annelids process the sediment for food, extruding the undigested sand in charismatic piles that adorn the beach of Loch Gruinart.
30 December 2013
Monday macrobug: Earthworm!
I’m branching out with my macro”bugs” here – using the term sensu lato, to include all creepy-crawlies. Here’s a night crawler (Lumbricus terrestris), a non-native species of earthworm, that somehow found its way into our basement during a rainy period in late summer… He/she (worms are hermaphrodites) is long! I was astonished with a lengthy beast this was – and how did it fit through whatever little cranny it found …
9 October 2013
The Earth Moved, by Amy Stewart
Today, I finished a book about earthworms. It wasn’t the greatest natural history book I’ve ever read, but it was the first one I’ve read specifically on the subject of worms. I’ve gotten interested in soil ecology and chemistry. Now that I own some land, I’m curious how to manage it for maximum productivity (both natural productivity / biodiversity and also crops that can feed my family). That was also …
Callan Bentley is Associate Professor of Geology at Piedmont Virginia Community College in Charlottesville, Virginia. He is a Fellow of the Geological Society of America. For his work on this blog, the National Association of Geoscience Teachers recognized him with the James Shea Award. He has also won the Outstanding Faculty Award from the State Council on Higher Education in Virginia, and the Biggs Award for Excellence in Geoscience Teaching from the Geoscience Education Division of the Geological Society of America. In previous years, Callan served as a contributing editor at EARTH magazine, President of the Geological Society of Washington and President the Geo2YC division of NAGT.