Zoning Dictionary

Category: Physical/Landform/Natural

Stormwater

The net increase in run-off from urban development due to water not being able to seep into the ground because of impervious surfaces, such as roofs and roads.

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Sustainable Development

Development that meets the needs of the present without compromising the ability of future generations to meet their own needs.

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Sustainable Manner

The use of resources in a way that ensures their integrity is not destroyed.

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Sustainable Use

A general term meaning that people can gain direct and indirect benefits from a resource over the long term without destroying.

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Swale

A depression in the ground that channels runoff.

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Threatened Species

Any indigenous species of fauna or flora that, on the basis of the best available scientific evidence, is indicated to be experiencing a definite non-cyclical decline throughout all or a major portion of its range, and that is likely to become an endangered species if the factors responsible for the decline continue unabated.

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Top of Bank

A point or line which is the beginning of a significant change in the land surface, thence from which the land surface slopes downward towards an abandoned or existing water course. When two or more slopes are located together, the slope that is highest and farthest away from the watercourse shall be the slope considered […]

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Top of Streambank

The upper edge of the slope of the stream valley where the land levels off, or where there is a flood plain, to the top of the slope above the floodplain.

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Tree Girth

The circumference of the trunk of a tree measured at 1.4m above natural ground level. For trees with multiple trunks the girth measurement is the collective measurement of all trunks with a circumference of 250mm or more.

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Tree Types – Dangerous, Dead, Dying, Non-Native

Dangerous Tree is one where the condition of the tree presents a foreseeable danger of inflicting damage that cannot be alleviated by treatment or pruning. A tree may be dangerous because it is likely to injure people or damage vehicles, structures, or development, such as sidewalks or utilities. Dead Tree is a tree that is […]

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