Natural World: Big Freeze at the Marsh By John Cooney • Dec 19, 2013 TweetShareGoogle+Email Listen Listening... / 4:00 A snowy field in West Eugene. Credit Rachael McDonald Extreme weather events define which plants and animals can live in a place. Last week's big freeze defined the limits of cold weather in our area. The West Eugene Wetlands is now recovering from the freezing weather but there may be more to come. Tags: Natural WorldTweetShareGoogle+EmailView the discussion thread.