water clarity
51Madge Lake — Infobox lake lake name = Madge Lake image lake = caption lake = image bathymetry = caption bathymetry = location = Duck Mountain Provincial Park, Saskatchewan coords = coord|51|40|N|101|38|W|region:CA type:waterbody|display=inline,title type =… …
52Tampa Bay — This article is about the body of water. For the demographic region, see Tampa Bay Area. For the city, see Tampa, Florida. For other possible uses, see Tampa (disambiguation). Tampa Bay from a NASA satellite Tampa Bay is a large natural harbor… …
53Quagga mussel — Scientific classification Kingdom: Animalia Phylum: Moll …
54Tainter Lake — Infobox lake lake name = Tainter Lake image lake = image bathymetry = caption bathymetry = location = Dunn County, Wisconsin coords = coord|44|56|06|N|91|53|19|W|type:waterbody region:US WI|display=inline,title type = Reservoir inflow = Red Cedar …
55Lake Macquarie (New South Wales) — Infobox lake lake name = Lake Macquarie image lake = Lake Macquarie (Swansea Pulbah).jpg caption lake = View from Swansea showing Pulbah Island image bathymetry = caption bathymetry= location = Hunter Region, New South Wales coords =… …
56Conasauga logperch — Conservation status Vulnerable (IUCN …
57Kelp forest — Kelp forests are underwater areas with a high density of kelp. They are recognized as one of the most productive and dynamic ecosystems on Earth.Mann, K.H. 1973. Seaweeds: their productivity and strategy for growth. Science 182: 975 981.] Kelp… …
58Chesapeake Bay Foundation — The Chesapeake Bay Foundation (CBF) is a non profit organization devoted to the restoration and protection of the Chesapeake Bay in the United States. It was founded in 1967 and has headquarters offices in Annapolis, Maryland. The foundation has… …
59Secchi disk — The Secchi disk, created in 1865 by Pietro Angelo Secchi, is a circular disk used to measure water transparency in oceans and lakes. The disc is mounted on a pole or line, and lowered slowly down in the water. The depth at which the pattern on… …
60Crater lake — This article is about the geological feature. For the lake of the same name in Oregon, see Crater Lake. For other uses, see Crater Lake (disambiguation). Landsat image of Lake Toba, the largest volcanic crater lake in the world …
