Zoning Dictionary

Category: Environmental

Sponge City

A city that is designed to passively absorb, clean and use rainfall in an ecologically friendly way that reduces dangerous and polluted runoff. Associated techniques include permeable roads, rooftop gardens, rainwater harvesting, rain gardens, green space and blue space such as ponds and lakes. Properly implemented a sponge city can reduce the frequency and severity […]

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Urban Heat Island

An area of significant paving that is uncovered and without shade where significantly more heat is absorbed and retained than in surrounding areas.

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Wetland Area

A single contiguous wetland, which may be composed of one or more wetland types. Two or more wetland areas plus their adjacent lands, form a wetland complex.

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Wetland Functions

The biological, physical and socio-economic interactions that occur because wetlands are present. Included are groundwater recharge and discharge, flood damage reduction, shoreline stabilization, sediment trapping, nutrient retention and removal, food-chain support and fish and wildlife habitat.

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Wetland Management Practices

The activities undertaken by municipal or provincial public bodies or by private landowners or individuals to modify or enhance wetland features or functions to meet specific objectives.

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Wetlands

Natural areas that are normally covered in water for all or part of the year, which result in a rich combination of environmental features which contain a wide variety of plants and wildlife. Lands seasonally or permanently covered by shallow water, as well as lands where the water table is close to or at the […]

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Wildlife Habitat

Areas of the natural environment upon which wildlife depend for survival as self-sustaining populations in the wild, including land and water needed for cover, protection or food supply. Wildlife include all wild animals, birds, reptiles, amphibians, fishes and invertebrates. Areas included may be deer yards, nesting areas, aquatic habitat, waterfowl staging areas, and habitat of […]

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Windrow Composting

The process in which compostable material is placed in elongated piles or windrows which are mechanically turned or aerated to encourage decomposition and to reduce odors.

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Wooded Area

An area of contiguous wooded vegetation where trees are at a density of at least one six-inch or greater caliper tree per 325 square feet of land and where the branches and leaves form a contiguous canopy.

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Woodlot

A hardwood, softwood or mixed wooded area of more than one hectare, covered in trees to a density of 1) at least 1000 trees per hectare of all sizes; or 2) 750 trees per hectare measuring over 5 centimeters in diameter, or 3) 500 trees per hectare measuring over 12 centimeters in diameter, or 4 […]

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