Archives for Essential Rhythm

Essential Rhythm 6/17/21: I found a snail! Its a littorine!

Producer/Host: Sarah O’Malley

This episode describes the three common species of littorine snails (aka periwinkles) found in the northern Gulf of Maine. Common, rough and smooth periwinkles are described in terms of habitat and reproductive strategy.

About the host:
Sarah O’Malley is an ecologist, naturalist and science communicator passionate about deepening her listeners’ experiences with the natural world. She teaches biology and sustainability at Maine Maritime Academy and is currently collaborating on a guide book to the intertidal zone in the Gulf of Maine.

Essential Rhythm 6/10/21: I found a snail-now what?

Producer/Host: Sarah O’Malley

This episode describes basic snail anatomy in the context of the phylum Mollusca. It is a the first in a series about common sea shore creatures one might encounter in the summer at the beach.

About the host:
Sarah O’Malley is an ecologist, naturalist and science communicator passionate about deepening her listeners’ experiences with the natural world. She teaches biology and sustainability at Maine Maritime Academy and is currently collaborating on a guide book to the intertidal zone in the Gulf of Maine.

Essential Rhythm 5/27/21: Osmoregulation and bony fish

Producer/Host: Sarah O’Malley

This episode reviews the mechanisms by which marine and freshwater fish osmoregulate, meaning, how they maintain an internal salinity different than the external salinity, whether in fresh or salt water.

About the host:
Sarah O’Malley is an ecologist, naturalist and science communicator passionate about deepening her listeners’ experiences with the natural world. She teaches biology and sustainability at Maine Maritime Academy and is currently collaborating on a guide book to the intertidal zone in the Gulf of Maine.

Essential Rhythm 5/20/21: Alewife restoration: a success story

Producer/Host: Sarah O’Malley

This episode recounts the story of local alewife restoration methods, including transplanting river herring, relying on their natal fidelity to restore future fish spawning runs.

About the host:
Sarah O’Malley is an ecologist, naturalist and science communicator passionate about deepening her listeners’ experiences with the natural world. She teaches biology and sustainability at Maine Maritime Academy and is currently collaborating on a guide book to the intertidal zone in the Gulf of Maine.

Essential Rhythm 5/13/21: Osmoregulation Pros and Cons

Producer/Host: Sarah O’Malley

This episode introduces the concept of osmosis, briefly discussing how it is managed by marine invertebrates.

About the host:
Sarah O’Malley is an ecologist, naturalist and science communicator passionate about deepening her listeners’ experiences with the natural world. She teaches biology and sustainability at Maine Maritime Academy and is currently collaborating on a guide book to the intertidal zone in the Gulf of Maine.

Essential Rhythm 5/6/21: Connectivity in the Ecosystem

Producer/Host: Sarah O’Malley

This episode discusses the role of alewives in connecting marine and fresh water ecosystems by transporting energy and nutrients between the two.

About the host:
Sarah O’Malley is an ecologist, naturalist and science communicator passionate about deepening her listeners’ experiences with the natural world. She teaches biology and sustainability at Maine Maritime Academy and is currently collaborating on a guide book to the intertidal zone in the Gulf of Maine.