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- Mississippi_River_(Ontario) discharge "40.0".
- Mississippi_River_(Ontario) watershed "4450.0".
- Mississippi_River_(Ontario) abstract "The Mississippi River is a tributary of the Ottawa River in eastern Ontario in Canada. It is 200 kilometres (120 mi) in length from its source in Upper Mazinaw Lake, has a drainage area of 4,450 square kilometres (1,720 sq mi), and has a mean discharge of 40 cubic metres per second (1,400 cu ft/s). There are more than 250 lakes in the watershed.From its headwaters at Mazinaw Lake to its confluence at the Ottawa River near Fitzroy Harbour the river drops 323 metres in elevation. It begins on the rugged lands of the Canadian shield (mostly gneiss and marble), and then, after Carleton Place, flows through limestone and clay plains. At Carleton Place, there are rapids with limestone cliffs. This area supports the largest stand of hackberry trees in the region.Communities along the river include the Village of Lanark, the towns of Carleton Place, Mississippi Mills (including former towns of Almonte and Pakenham), and Galetta. Here it enters the Ottawa River.Most of the upper landscape is temperate deciduous forest dominated by sugar maple, American beech, and red oak. At one time, the forests had much more hemlock, but this was logged out to produce bark for the tanning industry. Now, large hemlock stands are uncommon. Most forests are relatively young, that is, less than a century old.The irregular terrain of the watershed arises out of an old mountain chain which was once higher than the Himalayas. It has since been eroded to mostly gneiss and marble hills, with occasional outcrops of granite. Lower in the watershed, there are younger limestone rocks. Most of these are covered by clay deposited when this area was covered by the Champlain Sea.Occasional large wetlands occur along the river. One of the largest is the Innisville Wetlands, a provincially significant wetland that is also designated an Area of Natural and Scientific Interest. Another large wetland is the Appleton Silver Maple Swamp. These wetlands depend upon the seasonal cycles of the river. High water periods in the spring flood large areas creating wetland soils and large areas of marsh. As water levels slowly fall, conditions suitable for swamp forests occur. This natural seasonal alternation between high and lower water levels is essential for creating the natural diversity of wetlands along the river.Upstream, in Lanark County, there are two sections of the river that are important for their plant communities.[1] The first section of interest includes the east end of Dalhousie Lake and the swamp- and marsh-lined portion of the Mississippi River from the lake almost to Sheridans Rapids. Shallow lakes and adjacent river make up the provincially significant McCullochs Mud Lake Wetland. The second portion of interest is the rocky, rapid-filled section of the river from Sheridans Rapids down to just past Playfairville. Here there are small populations of unusual species including Parnassia glauca (Grass-of-parnassus), Platanthera flava (Tubercled Orchid) and Spiranthes lucida (Shining Ladies'-tresses).Downstream, where the Mississippi enters the Ottawa River, there are several important shorelines and wetlands, including the Mississippi Snye, which has a rich aquatic flora over marble bedrock, and has recorded observations for the musk turtle.The river originally powered textile mills. Today, it provides hydroelectric power. Such power dams, however, have all but eliminated American eels from the river; these were once an abundant source of food for aboriginal populations, as well as providing a source of food for herons and otters, among other animals.There are many important natural areas along the river. One well-known example is the Purdon Conservation Area, which supports Canada's largest native colony of showy lady slipper orchids, some 16,000 plants. The Carleton Place Hackberry stand, and the Innisville Wetlands, have both been mentioned above. In drier areas, there are several provincially significant alvars, limestone plains with exposed rock and many rare plants. These include the Burnt Lands Alvar and the Panmure Alvar.The river has a surprising diversity of turtles, including painted turtles, snapping turtles, Blanding's turtles, musk turtles and map turtles. The last four are considered species at risk, probably because nesting beaches have been degraded by human settlement.There is an active natural history society, The Mississippi Valley Field Naturalists, that shares information, leads walks and canoe outings, and has guest speakers on the ecology of the watershed.The origin of the river's name is something of a mystery; although its current spelling may be derived from that of its much larger American cousin, it is most certainly a corruption of a different native name, as the translation 'great water' would not apply to a relatively minor tributary of the Ottawa, definitely the largest river in the area. Instead, the name may originate from "Mazinaa[bikinigan]-ziibi", Algonquian for '[painted] image river', referring to the pictographs found on Mazinaw Lake, though this is by no means proven.".
- Mississippi_River_(Ontario) discharge "40.0".
- Mississippi_River_(Ontario) length "200000.0".
- Mississippi_River_(Ontario) mouthElevation "74.0".
- Mississippi_River_(Ontario) origin Mazinaw_Lake.
- Mississippi_River_(Ontario) riverMouth Ottawa_River.
- Mississippi_River_(Ontario) sourceCountry Canada.
- Mississippi_River_(Ontario) thumbnail Mississippiriver.jpg?width=300.
- Mississippi_River_(Ontario) watershed "4.45E9".
- Mississippi_River_(Ontario) wikiPageExternalLink mvfn.ca.
- Mississippi_River_(Ontario) wikiPageExternalLink areas.html.
- Mississippi_River_(Ontario) wikiPageExternalLink www.mvc.on.ca.
- Mississippi_River_(Ontario) wikiPageExternalLink www.ogwa-hydrog.ca.
- Mississippi_River_(Ontario) wikiPageExternalLink risk.php?region=4.
- Mississippi_River_(Ontario) wikiPageID "524390".
- Mississippi_River_(Ontario) wikiPageRevisionID "599054394".
- Mississippi_River_(Ontario) basinCountries "25".
- Mississippi_River_(Ontario) caption "View from Highway 417 near Antrim".
- Mississippi_River_(Ontario) s "40".
- Mississippi_River_(Ontario) hasPhotoCollection Mississippi_River_(Ontario).
- Mississippi_River_(Ontario) imageName "mississippiriver.jpg".
- Mississippi_River_(Ontario) imageSize "250".
- Mississippi_River_(Ontario) lengthKm "200".
- Mississippi_River_(Ontario) mouth "Ottawa River at".
- Mississippi_River_(Ontario) mouthElevationM "74".
- Mississippi_River_(Ontario) origin "Upper Mazinaw Lake".
- Mississippi_River_(Ontario) riverName "Mississippi River".
- Mississippi_River_(Ontario) watershedKm "4450".
- Mississippi_River_(Ontario) subject Category:Rivers_of_Ontario.
- Mississippi_River_(Ontario) subject Category:Tributaries_of_the_Saint_Lawrence_River.
- Mississippi_River_(Ontario) point "45.44138888888889 -76.28527777777778".
- Mississippi_River_(Ontario) type BodyOfWater109225146.
- Mississippi_River_(Ontario) type PhysicalEntity100001930.
- Mississippi_River_(Ontario) type River109411430.
- Mississippi_River_(Ontario) type RiversOfOntario.
- Mississippi_River_(Ontario) type Stream109448361.
- Mississippi_River_(Ontario) type Thing100002452.
- Mississippi_River_(Ontario) type YagoGeoEntity.
- Mississippi_River_(Ontario) type YagoPermanentlyLocatedEntity.
- Mississippi_River_(Ontario) type BodyOfWater.
- Mississippi_River_(Ontario) type NaturalPlace.
- Mississippi_River_(Ontario) type Place.
- Mississippi_River_(Ontario) type River.
- Mississippi_River_(Ontario) type Stream.
- Mississippi_River_(Ontario) type Wikidata:Q532.
- Mississippi_River_(Ontario) type BodyOfWater.
- Mississippi_River_(Ontario) type Place.
- Mississippi_River_(Ontario) type RiverBodyOfWater.
- Mississippi_River_(Ontario) type BodyOfWater.
- Mississippi_River_(Ontario) type River.
- Mississippi_River_(Ontario) type Stream.
- Mississippi_River_(Ontario) type Location.
- Mississippi_River_(Ontario) type SpatialThing.
- Mississippi_River_(Ontario) comment "The Mississippi River is a tributary of the Ottawa River in eastern Ontario in Canada. It is 200 kilometres (120 mi) in length from its source in Upper Mazinaw Lake, has a drainage area of 4,450 square kilometres (1,720 sq mi), and has a mean discharge of 40 cubic metres per second (1,400 cu ft/s). There are more than 250 lakes in the watershed.From its headwaters at Mazinaw Lake to its confluence at the Ottawa River near Fitzroy Harbour the river drops 323 metres in elevation.".
- Mississippi_River_(Ontario) label "Mississippi River (Ontario)".
- Mississippi_River_(Ontario) label "Mississippi River (Ontario)".
- Mississippi_River_(Ontario) label "Rivière Mississippi".
- Mississippi_River_(Ontario) label "Миссисипи (приток Оттавы)".
- Mississippi_River_(Ontario) sameAs Mississippi_River_(Ontario).
- Mississippi_River_(Ontario) sameAs Rivière_Mississippi.
- Mississippi_River_(Ontario) sameAs m.02lf7t.
- Mississippi_River_(Ontario) sameAs 6075371.
- Mississippi_River_(Ontario) sameAs Q1503538.
- Mississippi_River_(Ontario) sameAs Q1503538.
- Mississippi_River_(Ontario) sameAs Mississippi_River_(Ontario).
- Mississippi_River_(Ontario) lat "45.44138888888889".
- Mississippi_River_(Ontario) long "-76.28527777777778".
- Mississippi_River_(Ontario) wasDerivedFrom Mississippi_River_(Ontario)?oldid=599054394.
- Mississippi_River_(Ontario) depiction Mississippiriver.jpg.
- Mississippi_River_(Ontario) isPrimaryTopicOf Mississippi_River_(Ontario).
- Mississippi_River_(Ontario) name "Mississippi River".