Browse "Biology"

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Irrigation

Irrigation is warranted where the CLIMATE is essentially arid or semiarid and is characterized by low and unpredictable precipitation (see RAIN).

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Lemming

Lemming, stocky northern rodent related to voles. About 16 species occur worldwide; best known of the 7 Canadian species are brown and collared lemmings.

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Lizard

Lizard is the common name for members of the most diverse of a group of living reptiles.

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Molluscan Resources

Although Canada's coastline is extensive and contains many diverse molluscan species, the resource is economically relatively small. In 1995 nearly 200 000 t valued at $114.5 million were taken.

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Ornamentals

Ornamentals, in horticulture, include both woody and herbaceous plants used primarily as amenities.

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Palynology

Palynology is the study of spores and pollen, has many applications in botany, geology and medicine.

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Silviculture

Silviculture is the branch of FORESTRY that deals with establishing, caring for and reproducing stands of trees for a variety of forest uses including wildlife habitat, timber production and outdoor recreation.

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Triticale

Triticale (Triticosecale Wittmack), the first man-made crop species, is initially produced by crossing wheat (genus Triticum) with rye (Secale), and resembles wheat.

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Zooarchaeology

 In Canada most zooarchaeologists study teeth, bone and marine shells, because these materials are commonly preserved on archaeological sites. Preservation of specimens depends on what happened to them before burial, the rate at which they were buried, and the burial environment.