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	Podcast:		Local Features by WXPR
	Episode:		All You Need to Know About Winterkill
	Category:		Government & Organizations
	Duration:
	Publish Date:		2018-03-29 09:00:00
	Description:		As our weather turns to spring, some of our thoughts might turn to winterkill. In this episode of Wildlife Matters , the masked biologist looks at lakes under ice and why winterkill happens. Every year when spring rolls around, I can expect fisherman and lakeshore owners to show concern about the potential for winterkill, a term for fish dying under the ice due to a lack of oxygen. A lake that has not winterkilled in the past is probably not likely to experience winterkill this year. However, there are a number of area lakes that are prone to winterkill and experience it every few years. Lakes like these stand the risk of a winterkill depending on how it goes between now and ice out. Since we tend to breathe oxygen from the air with our lungs, we may not spend a lot of time thinking about dissolved oxygen. For fish to survive under water though, they need to be able to pull dissolved oxygen out of the water by pulling it across their gill plates. In the spring and summer, oxygen can be
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