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guidebook:

Page 9 - Waterfowl


Waterfowl are natural part of the lake ecosystem. They eat lake plants and excrete nutrients that support new plant growth. Feeding waterfowl increases waterfowl populations, which encourages the lake plant growth though added nutrients. Waterfowl excretions may contribute to the cycle of organisms which causes swimmer's itch.
 

ONE DUCK EXCRETES ONE POUND OF PHOSHORUS PER YEAR. ONE POUND OF PHOSHORUS IS ENOUGH TO GROW 750 POUNDS OF ALGAE IN THE LAKE. HIGH PHOSHORUS LEVELS INCREASE WEED AND ALGAE GROWTH IN SPRING LAKE. 

The artificial feeding of waterfowl is not beneficial for the waterfowl, or for the people who enjoy Spring Lake.



Signs like this will be posted around Spring Lake by the SL - LB to help remind people that feeding the waterfowl may lead to an increase of algae growth in the lake.



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