Nature & Geography | The Canadian Encyclopedia

Browse "Nature & Geography"

Displaying 631-645 of 935 results
  • Article

    Peregrine Falcon

    The peregrine falcon (Falco peregrinus) is a crow-sized, long-winged bird of prey, generally acknowledged to be the swiftest bird (attaining speeds of over 320 km/h).

    "" // resources/views/front/categories/view.blade.php Peregrine Falcon
  • Article

    Periglacial Landform

    A periglacial landform is a feature resulting from the action of intense frost, often combined with the presence of permafrost. Periglacial landforms are restricted to areas that experience cold but essentially nonglacial climates.

    "" // resources/views/front/categories/view.blade.php Periglacial Landform
  • Article


    Periwinkle is a common name for any of the edible intertidal snails of the genus Littorina. Periwinkles are represented by 6 species in Canadian coastal waters.

    "" // resources/views/front/categories/view.blade.php Periwinkle
  • Article


    Permafrost is ground remaining at or below 0°C continuously for at least two years. About 50 per cent of Canada is underlain by permafrost, mainly in the Arctic Archipelago, Yukon, Northwest Territories and Nunavut.

    "" // resources/views/front/categories/view.blade.php Permafrost
  • Article

    Persistent Organic Pollutants

    Persistent organic pollutants (POPs) are carbon-based chemical compounds or groups of chemical compounds of anthropogenic (resulting from human activities) origin that are biologically and chemically inert.

    "" // resources/views/front/categories/view.blade.php Persistent Organic Pollutants
  • Article


    Substances used to control pests include insecticides (for control of insects), fungicides (for disease-causing fungi), herbicides (for weeds), rodenticides (for rodents), avicides (for birds), piscicides (for fish) and nematicides (for nematodes).

    "" // resources/views/front/categories/view.blade.php Pesticide
  • Article


      The phalarope (family Scolopacidae) is a sandpiperlike shorebird, highly specialized for aquatic life. Only 3 species are found worldwide and all occur in Canada.

    "" // resources/views/front/categories/view.blade.php Phalarope
  • Article


    Pheasant is the common name of birds in the family Phasianidae.

    "" // resources/views/front/categories/view.blade.php Pheasant
  • Article


    Tall, vibrantly coloured summer-flowering phlox, derived from eastern North American P. paniculata, one of the most popular garden perennials in Canada, is often used for island beds or as border plants.

    "" // resources/views/front/categories/view.blade.php Phlox
  • Article


    Pickerel, common name for 3 closely related carnivorous, soft-rayed freshwater fishes in the pike family (Esocidae).

    "" // resources/views/front/categories/view.blade.php Pickerel
  • Article


    The pigeon (Columbidae) is a large family (303 species) of birds, many of which are called doves, distributed throughout temperate and tropical areas worldwide.

    "" // resources/views/front/categories/view.blade.php Pigeon
  • Article


    Pika is a common name for the smallest members of the order Lagomorpha, which also includes rabbits and hares.

    "" // resources/views/front/categories/view.blade.php Pika
  • Article


    Pike is the common name for the group of 5 species of predaceous freshwater fish with elongated snouts, sharp teeth, cylindrical bodies and forked tails, belonging to family Esocidae, order Esociformes, class Actinopterygii.

    "" // resources/views/front/categories/view.blade.php Pike
  • Article


    Most are either "soft" pines with 5 needles per shoot or "hard" pines with 2-3 per shoot. The most familiar soft pines are western white pine (P. monticola) of BC, and eastern white pine (P. strobus), east of Manitoba. Others include limber pine (P. flexilis) and whitebark pine (P.

    "" // resources/views/front/categories/view.blade.php Pine
  • Article


     A pingo is an ice-cored hill typically conical in shape, growing and persisting only in PERMAFROST. The word "pingo" is of Inuit origin and was first used in the English-language literature by the botanist Alf E.

    "" // resources/views/front/categories/view.blade.php Pingo