World Wildlife Fund for Nature
Wwf: Our Earth: Ecoregions: Habitats: Freshwater Wetlands
An introduction and overview of freshwater wetland habitats.
Other
The Weekly South Dakotan: South Dakota History for 4th Grade
From the very beginning and through the twentieth century, this comprehensive collection of lessons will enrich students studying the history in between and the effects on South Dakota.
CK-12 Foundation
Ck 12: Life Science: Aquatic Biomes
[Free Registration/Login may be required to access all resource tools.] Aquatic biomes can be generally classified based on the amount of salt in the water. Freshwater biomes have less than 1% salt and are typical of ponds and lakes,...
NSTATE
Netstate.com: The Geography of Arkansas
Quick facts about the geography of Arkansas including land area, highest and lowest points, elevations, lakes, rivers, regions, and climate.
Smithsonian Institution
National Museum of Natural History: American Mammals: Townsend's Pocket Gopher
Townsend's Pocket Gophers require deep, moist soils of river valleys and ancient lake beds. Other pocket gophers that are found in the same region, in the northern Great Basin, prefer different soil types: Botta's Pocket Gopher is...
Curated OER
Educational Technology Clearinghouse: Maps Etc: South China, 1971
"South China comprises the drainage basins of the middle and lower Yangtze River, the basin of the His Chiang (West River) in Kwangtung and Kwangsi; and the mountainous coastal provinces of Fukien and Chekiang. The division between the...
Curated OER
Educational Technology Clearinghouse: Maps Etc: Newfoundland, 1903
A map from 1903 of the Canadian province of Newfoundland, showing cities, towns and ports, railways, lakes, rivers, and coastal features, as well as the coastal districts of White Bay, Bonne Bay, Bay of Exploits, Bonavista Bay, St....
Curated OER
Unesco: Russian Federation: Putorana Plateau
This site coincides with the area of the Putoransky State Nature Reserve, and is located in the central part of the Putorana Plateau in northern Central Siberia. It is situated about 100 km north of the Arctic Circle. The part of the...