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The Iowa Watershed Approach <br />What is a wetland? <br />Wetlands are strategically placed to capture surface runoff and drainage water. They <br />provide temporary storage for floodwater and reduce peak runoff -flow rates <br />after storms. Additionally, they reduce nitrate-N concentration in water by <br />52% and filter out chemicals from pesticides and insecticides. Wetlands also serve <br />as wildlife habitats for 190 amphibian species and 5,000 plant species. <br />x-.• r,„`:_ �, a1,r. ..�; i �Kgr fir... n , ri •i:.: -- v,s:.;a� �'.. � i; ir r"i --rr � :sue : � <br />' Iyj N45•i ii4 4.I.s6'�t-."r _ f +�r • r 7i+ <br />A -.r �i 4•:.;`:Y, ,f.. _T �. � Are^`, <br />l„ .y7 ro'F cif ��. '�IR'.'°`i{ F � ��1•i, .'' `.�i��:��Y 7'.}�_: _ ���`�... ��,, A•� '�, p.XV_�. <br />•, .� A <br />�¢6 . , _- • • - _ _ . f e -_-` - , .�_� - _ <br />ire <br />MM <br />t <br />It <br />- — � i - ti fir. ►I , r�� � _ � �: L; _ �� _ � I , <br />1 r r <br />0 <br />' r {S+i '�J, p:f'�'�i l`,-? '.- `, .•ti' .�• A `!.+ . <br />-';�;..tom .�s _ .... .��F�: �; �.�� '^�`' ��� •, r, <br />•�'' � sar _ it ,fir ;,�,: t. • ;.:-y�' ' '�� a�+ . `�:_ -.,,_' "� � ... "t�. � � . � ���.� `4 <br />•,- _ _ � ::r�yl+� ��'. }fir + �- •ra � .l , �qs <br />IOWA STATE UNIVERSITY <br />Extension and Outreach wn 0022 November 2017 <br />