Lentic System

A Lentic water system is a standing water system of freshwater.

 Lake: body of water completely surrounded by land
http://www.nj.gov/dep/wms//bfbm/GreatGorgeLake.jpg

 pond: small area of enclosed water where the sun can reach the bottom
http://www.fcps.edu/islandcreekes/ecology/Habitat/Pond/pond1.jpg

 playa lake:source of irrigation
http://water.epa.gov/type/wetlands/images/playapic1.jpg

 swamp: dominated by woody plants such as cedars, firs and spruces
http://www.tpwd.state.tx.us/publications/pwdpubs/pwd_bn_w7000_0120/images/lrg_bald_cypress_swamp.jpg

 marsh: characterized by soft stemmed herbaceous plants like cattails
http://www.sonomaopenspace.org/imgManager/1000000182/petaluma_marsh.jpg

 bog: develop in poorly drained areas, characterized by everygreen trees, shrubs,and moss
http://www.richard-seaman.com/USA/States/Illinois/VoloBog/VoloBog.jpg

 reservoir:man made lakes
 http://www.usbr.gov/mp/sllpp/images/san_luis_reservoir.jpg