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Displaying 101-120 of 893 results
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Clay

Clay is the common name for a complex group of industrial MINERALS, each characterized by different mineralogy, occurrence and uses.

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Climate Severity

 Environment Canada devised the climate severity index to rate a locality's climate according to human comfort and well being. The index has a range from 1 to 100, with a score of 1 representing the least severe climate and 100 the most.

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Clam

Clam, common name for any bivalve (hinged shell) mollusc, referring especially to those of economic significance burrowing in beaches or the seafloor.

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Chimaera

Chimaera, ratfish, or ghost shark, strange-looking marine fish belonging to the subclass Holocephali, class Chondrichthyes and thus related to sharks and rays.

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Chinook

In Canada, the chinook belt lies almost exclusively within southern and central Alberta. The wind occurs in every season, but it is more distinctive and numerous in the winter, when the unseasonable warming it brings differentiates it from the normal cold winter weather.

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Coot

The coot is an aquatic bird of the rail family. Eleven species occur worldwide; only the American coot (Fulica americana) is found in North America.

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Cape Spear

Cape Spear, elev 75 m, most easterly point in N America (excluding Greenland), is located 6.7 km SE of the entrance to St John's harbour, Nfld. A rocky, windswept promontory of Precambrian formation, with a thin, sporadic cover

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CESAR

The main objective of the multidisciplinary expedition was to carry out a geological survey of the ridge. Researchers, therefore, brought a veritable geotechnical arsenal to bear on the polar ice to gather seismic, gravimetric, bathymetric and other data.

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Char

Char is the common name for several species of fish of genus Salvelinus of the salmon family (Salmonidae). Approximately 11 char species occur worldwide. Five are native to Canada: arctic char (S. alpinus), Dolly Varden (S. malma), bull trout (S. confluentus), brook trout (S. fontinalis) and lake trout (S. namaycush).

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Crustacean

Crustacean, shelled invertebrate with segmented body and limbs at some stage of its life, an exoskeleton and 2 pairs of antennae. The exoskeleton, a protective and supportive framework located outside the body, is periodically molted to allow for growth.

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Cape Scott Provincial Park

Cape Scott Provincial Park (established 1973, 50 km2), on the northwest tip of VANCOUVER I, BC, includes 64 km of coast with 23 km of sandy beaches interspersed by rocky headlands. The land rises inland to Mount St Patrick (415 m), and in it lies a 44 ha body of freshwater, Eric Lake.

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Cape Breton Island

Cape Breton Island, Nova Scotia, 10 311 km2, a rugged and irregularly shaped island, approximately 175 km long by 135 km at its widest, is located at the eastern extremity of the Gulf of St. Lawrence.

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Bug

Bug is the name properly applied to a member of the order Hemiptera, the most diverse order of insects having incomplete metamorphosis.

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Zooplankton

Zooplankton, weakly swimming animals belonging to many phyla (primary divisions of the animal kingdom), which, as larvae or adults, exist wholly suspended within a water body.

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Bylot Island

Bylot Island, 11 067 km2, is nestled into the northeastern corner of Baffin Island at the entrance to Lancaster Sound.

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Caddisfly

The caddisfly is a small (1.5-40 mm), drab insect of order Trichoptera ["hairy wings"].

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Bras d'Or Lake

Bras d'Or Lake, 1099 km2, is an arm of the Atlantic Ocean occupying the centre of Cape Breton Island that nearly divides the island in two. On the north it is linked to the ocean by a narrow channel down the west side of Boularderie Island.

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Botany History

Long before formal study of plants began in Canadian academic institutions, they were studied by explorers and talented amateurs.