Search for "New France"

Displaying 121-140 of 311 results
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Titanium

Titanium (Ti) is a metallic element estimated to form about 0.5% of the rocks of the Canadian SHIELD. Titanium minerals of commercial importance include the dioxides rutile and anatase, which are polymorphs of TiO2 and ilmenite (FeO.TiO2), a mineral that contains 52.7% TiO2.

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Mantid

Mantid are carnivorous insects of the order Dictyoptera, related to cockroaches and more distantly to the grasshoppers and crickets (order Orthoptera).

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Pesticide

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).

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Land

Earth's surface experiences change driven by relief, sea level, hydroclimate and human activity. Extreme hydroclimatic events combined with human activity on steep slopes and/or adjacent to low-lying coasts generate natural hazards.

Macleans

Endangered Species Protection

Grant Fahlman, 51, has lived his whole life on the farm 25 km southeast of Regina where his family settled when they came from Russia in 1889, and this year was the first in his memory that no burrowing owls raised their broods in his pasture.

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Entomology

Entomology is the branch of zoology dealing with the study of insects, although which organisms are included is open to interpretation.

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Tunnels

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

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Phalarope

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

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Puffin

Puffin is a common name for 3 species of medium-sized seabirds of the Auk family.

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Raven

The raven is a large, black bird with a purplish lustre, belonging, like the crow, to the genus Corvus.

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Silica

Silica, or silicon dioxide (SiO2), occurs as the MINERAL quartz and is the most abundant mineral of the Earth's crust. It also occurs in the skeletal parts of some animals (eg, certain protozoa) and various plants.

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Sedge

Sedge is a grasslike plant common throughout temperate and cold regions. The genus name, Carex (family Cyperaceae), is probably derived from keiro, referring to the sharp leaf margins.

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Gypsum

The principal use for gypsum is wallboard. Crude gypsum is pulverized and heated to form stucco, which is mixed with water and aggregate (sand, vermiculite or expanded perlite) and applied over wood, metal or gypsum lath to form interior wall finishes.

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Tornado

Tornadoes are a type of severe storm. They are typified by a funnel-shaped cloud descending toward the earth.

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Hurricane Hazel

Hurricane Hazel struck the Toronto area on 15-16 October 1954, with devastating results. It was Canada's worst hurricane and Toronto's worst natural disaster. During the storm, winds reached 124 km/h and over 200 millimetres of rain fell in just 24 hours.

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Wildflowers

There are approximately 4000 species of flowering plants in Canada, of which about 3000 may be considered wildflowers. About one-quarter of these have been introduced from other regions of the world.

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Biosphere Reserves in Canada

A biosphere reserve represents one of the world’s important ecosystems and is divided into three zones: a protected core zone (such as a park or wildlife area), a buffer zone around the core, and a transition zone that fosters sustainable economic and cultural activity. The World Network of Biosphere Reserves includes 686 sites around the world, 18 of which are in Canada. The network is part of the larger Man and the Biosphere Program of the United Nations Educational, Scientific and Cultural Organization (UNESCO). Biosphere reserves are designated by UNESCO to help conserve biodiversity, demonstrate sustainable development and build the local community’s capacity to deal with human and environmental issues.

Macleans

Toronto's Record Snowstorm

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 Canada’s 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.

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Cypress

Cypress is the common name for evergreen conifers of genus Cupressus of the cypress family (Cupressaceae). At least 12 species are recognized worldwide occurring in warm, northern temperate regions.