Nature & Geography | The Canadian Encyclopedia

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  • Article

    Trout

    Trout is the common name given to the species of freshwater fish from 3 genera, all members of the salmon family (Salmonidae).

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  • Article

    Tsunami

    In the deep ocean a tsunami travels at about the speed of a commercial jetliner and its length from crest to crest can be 100 km or more, but its height will be less than a metre and therefore it will not be noticed by ships at sea.

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  • Article

    Tuna

    The tuna is a swift, elegant marine fish of class Actinopterygii, order Perciformes, family Scombridae (mackerels). 

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    https://d2ttikhf7xbzbs.cloudfront.net/media/media/6954bf65-e5dd-4309-b2be-fe3047da446d.jpg Tuna

  • Article

    Tungsten

    Tungsten (W), also called Wolfram, lapis ponderosus or Heavy Stone, is a silver-grey metallic element with the highest melting point of any metal (3410° C). Tungsten has a high density, high strength at elevated temperatures and extreme hardness.

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  • Article

    Tunnels

    Unlike other mountainous countries such as Switzerland, and despite its size, Canada is not distinguished by well-known tunnels.

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  • Article

    Turnip

    Turnip (Brassica rapa, Rapifera Group), biennial vegetable belonging to the Cruciferae family and grown in all provinces as a root crop.

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  • Article

    Turtle

    Turtles are egg-laying, toothless reptiles with limb girdles roofed over by a wide rib cage and fused to bony plates in the skin.

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    https://d2ttikhf7xbzbs.cloudfront.net/media/media/329d62d9-ab1d-49a3-81bd-1bb8e80a059c.jpg Turtle

  • Article

    Turtle Island

    For some Indigenous peoples, Turtle Island refers to the continent of North America. The name comes from various Indigenous oral histories that tell stories of a turtle that holds the world on its back. For some Indigenous peoples, the turtle is therefore considered an icon of life, and the story of Turtle Island consequently speaks to various spiritual and cultural beliefs. This is the full-length entry about Turtle Island. For a plain-language summary, please see Turtle Island (Plain-Language Summary).

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    https://d2ttikhf7xbzbs.cloudfront.net/media/new_article_images/dreamstime_xxl_54953777.jpg Turtle Island

  • Article

    Tyrant Flycatcher

    The tyrant flycatcher (family Tyrannidae) comprises a large, diverse New World family of birds. 

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  • Macleans

    Unfamiliar territory

    Author J.B. MacKinnon’s latest explores our ever-shrinking, increasingly unnatural worldThis article was originally published in Maclean's Magazine on March 3, 2014

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  • Article

    Uranium

    Uranium oxide was first identified in 1789 by M.H. Klaproth in the MINERAL pitchblende, but its distinctive property of radioactivity was discovered much later (1896) by Henri Becquerel.

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  • Article

    Vegetable

    A vegetable is a herbaceous plant of which all or a part is eaten, raw or cooked. Vegetables are a valuable source of protein, vitamins, minerals, trace elements and fibre. All vegetables are high in carbohydrates, which contribute to their unique taste.

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  • Article

    Vegetation Regions

    Canada has seven primary vegetation regions, in addition to the marine flora found along the country’s coasts. Vegetation regions are geographical areas characterized by distinct plant communities. Community composition, determined primarily by climate (e.g., temperature, precipitation and sunlight), may be affected by factors such as geology, soil composition and erosion, water drainage patterns and human interference. Each vegetation region supports a characteristic animal community that may also affect its composition. This is a full-length entry about Vegetation Regions. For a plain-language summary, please see Vegetation Regions (Plain-Language Summary).

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  • Article

    Vertebrate

    A vertebrate is a member of the phylum Chordata.

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    https://d2ttikhf7xbzbs.cloudfront.net/media/media/5c5f5b70-259f-45ae-b85c-adfccbec4228.jpg Vertebrate

  • Article

    Vetch

    Vetch species are in the genus Vicia, which includes about 150 species native to both the Old and New Worlds, especially the Mediterranean area. Only 3 are native to Canada, although 9 or so have been introduced.

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    https://d2ttikhf7xbzbs.cloudfront.net/media/media/d7fae5ba-4ae1-4b17-a561-d902f6186b96.jpg Vetch