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Definitions (292)

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subwatershed


A watershed is an area of land defined by the characteristic that all runoff drains to a common main river (or lake, or chain of lakes) via a series of tributaries. Each of the tributaries of the main river or lake system has its own drainage area, known as a subwatershed.
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pm2.5


Small inhalable particulates under 2.5 micrometres in diameter. They can penetrate lungs more deeply than larger particulates, affecting sensitive groups like children and people who have respiratory difficulties.
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environmental management system


Part of the overall management system of an organization that sets out practices and procedures to develop and implement the environmental policies, objectives, and targets of the organization.
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polyvinyl chloride


A tough plastic that releases hydrochloric acid and dioxin when burned.
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wnv


West Nile virus Legislation
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wood supply agreements


Under s. 25 of the Crown Forest Sustainability Act, the Minister of Natural Resources may, with the approval of Cabinet, enter into an agreement to supply a person with forest resources.
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watershed-based planning process


A process for developing protection and conservation plans for Ontario watersheds led by the Ministry of the Environment and supported or co-led by other provincial ministries, Conservation Authorities, and involving local interests.
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west nile virus


WNv is an illness that can be spread to humans by the bite of an infected mosquito. Mosquitoes become infected when they bite an infected bird. WNv was first confirmed in Ontario’s bird population in Windsor-Essex County 2001. Symptoms of WNv can vary from mild illness such as ‘West Nile Fever’ to serious neurological illness such as encephalitis ( [..]
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water management plan


A plan required to be submitted (under the Lakes and Rivers Improvement Act) by one or more power producers on a river system. The plan sets priorities and operating plans for hydroelectric facilities in Ontario.
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water management planning guidelines


Guidelines published by the Ministry of Natural Resources designed to guide the production of water management plans.
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