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Create AccountGroundwater interacts with lakes and rivers as part of the hydrologic cycle. The cycle begins with the formation of clouds through evaporation from the ocean, lakes, rivers, plants and soil.
This article was originally published in Maclean’s magazine on March 18, 2002. Partner content is not updated.
The swan is a large waterfowl with an elongated neck and narrow patch of naked skin in front of the eye.
Hawk is a common name for several species of diurnal birds of prey from widely separate families.
Ecology is subdivided into 3 fields of study: autecology (relations of individual species or populations to their milieu), synecology (composition of living communities) and dynecology (processes of change in related communities).
The swallow (Hirundinidae) is a small family of birds including about 87 species worldwide, of which 7 breed in Canada.
Cougar, puma or mountain lion (Felis concolor, family Felidae), is the most gracile of the New World wild cats.
The tern is a medium-sized bird of the GULL family. Terns are usually grey and white; in spring and summer most species have a black cap. Similar to gulls in appearance, terns differ in having more pointed wings and usually a noticeably forked tail.
Gem-quality diamonds crystallize as octahedrons (8 faces), trisoctahedrons (24 faces), hexoctahedrons (48 faces) or a combination of these. Diamond owes its supreme standing among all the gemstones to 4 specific attributes.
This article was originally published in Maclean’s magazine on May 12, 1997. Partner content is not updated.
The flood of the century, they have been calling it in Manitoba, an awesome demonstration of natures raw might.Warbler is a name applied to several groups of birds, primarily the New World wood warblers, and Old World warblers of which only 3 species commonly breed in Canada.
Chromium (Cr) a hard, brittle, silver-white metal (melting point 1875° C), is widely known for its use as decorative trim on home appliances and automobiles. However, its most important use is in the manufacture of stainless STEEL, which typically contains about 20% chromium.
This article was originally published in Maclean’s magazine on January 25, 1999. Partner content is not updated.
As a storm raged outside, the constantly ringing phones went unanswered at Environment Canadas Toronto offices last Thursday. Like many other workplaces in the city, it was shut down - by the worst series of blizzards ever to strike Toronto.Cascade Mountains, BC, are the north end of largely volcanic mountain ranges extending to California, 180-260 km east of the Pacific Ocean. There are no active volcanoes in BC like the US Cascades' Mount St Helens and others.
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.
Natural regions are intended to describe areas of the Earth's surface which possess similar qualities or attributes. They may refer to either land or water, and can vary in size. The term “natural region” is often used interchangeably with the word “ecozone.”
Winter is the season that begins December 21 (winter solstice) and ends on March 21 (spring Equinox). In Canada cold and snow is associated with this season.
The Prairie Farm Rehabilitation Administration (PFRA) was a branch of Agriculture and Agri-Food Canada with a focus on Western Canada. It was headquartered in Regina, Saskatchewan. The PFRA also had 22 district offices throughout the Prairie provinces. The agency began in response to the drought crisis of the 1930s in the Prairies. However, for nearly eight decades, it continued to help farmers conserve soil, prevent erosion, develop water resources and manage pasture land.
Snipe is the name given to 19 species of small to medium-sized shorebirds (254-406 mm) of the sandpiper family.
Canadian Wildlife Federation, national, nonprofit, nongovernmental conservation organization founded in 1961 and chartered in 1962.
