Lake Erie North Shore Watershed Plan - Niagara Peninsula ...

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LAKE ERIE NORTH SHORE WATERSHED PLAN Fish Habitat: means spawning grounds and nursery, rearing, food supply and migration areas on which fish depend directly or indirectly in order to carry out their life processes [Fisheries Act, Section 31 (5)]. Geomorphic: Relates to the physical properties of the rock, soil, and water in and around the stream. Important Bird Area: Sites critical to the long-term viability of bird populations and are priority areas for the conservation of globally threatened, range restricted and congregatory birds (Bird Life International No Date) Intake Protection Zone: Protected area (land and water) surrounding a surface water intake Intrinsic Susceptibility: The vulnerability of the groundwater system to potential contamination from surface sources. Local Management Area: As part of the Niagara Water Quality Protection Strategy, Niagara Peninsula Conservation Authority‟s district was divided into 32 Local Management Areas, each representing an ecologically valid and functioning water management unit derived from the over 140 subwatersheds in its jurisdiction. Municipal Drain: Municipal drains can be either open watercourses or closed systems buried in the ground (i.e., tiles, pipes) designed and constructed to primarily improve drainage of agricultural lands, but also improve drainage of roads and rural lands. Niagara Water Quality Protection Strategy: The strategy is part of a multi-stakeholder and multi-jurisdictional effort to work towards the common goal of management, restoration and protection of water resources across Niagara„s watershed. Old Growth Ecosystems: The presence of old trees and their associated plants, animals, and ecological processes. They show little or no evidence of human disturbance (MNR 1994). Permeability: The measure of the ability of a material to transmit fluids through it. Pervious: Allows the relatively free passage of liquid. Physiography: The natural configuration of the landscape. Potentiometric Surface: The area where the ground surface intersects the water table Provincial Significance: Important on a provincial scale; this may refer to a species; a habitat; or a natural area. Provincially Significant Wetland: A Class I, II and III Wetland identified as provincially significant as defined in „An Evaluation System for Wetlands of Southern Ontario, South of the Precambrian Shield, Third Edition.‟ Species of Special Concern: A species with characteristics that make it sensitive to human activities or natural events (MNR No Date). 252
LAKE ERIE NORTH SHORE WATERSHED PLAN Subwatershed: A subunit of a watershed; often defined as the drainage area of a tributary or watercourse (e.g. Wignell Drain). Threatened Species: A species that is at risk of becoming endangered in Ontario if limiting factors are not reversed (MNR No Date) Topography: The relief of the land surface. Watershed: An area of land from which surface runoff (water, sediments, nutrients and contaminants) drain into a common water body (e.g. Lake Erie). Watershed Management Plan: A proactive document created cooperatively by government agencies and the community to manage the water, land/water interactions, aquatic life and aquatic resources within a particular watershed to protect the health of the ecosystem as land uses change (Ministry of Environment and Energy and Ministry of Natural Resources 1993). Wetlands: Lands that are seasonally or permanently covered by shallow water, as well as lands where the water table is close to or at the surface. In either case the presence of abundant water has caused the formation of hydric soils and has favoured the dominance of either hydrophytic plants or water tolerant plants. The four major types of wetlands are swamps, marshes, bogs and fens (Provincial Policy Statement 2005). Wildlife Habitat: Areas where plants, animals and other organisms live, and find adequate amounts of food, water, shelter and space needed to sustain their populations. Specific wildlife habitats of concern may include areas where species concentrate at a vulnerable point in the annual or life cycle; and areas which are important to migratory or non-migratory species (Provincial Policy Statement 2005). Woodlands: Treed areas that provide environmental and economic benefits to both the private landowner and the general public, such as erosion prevention, hydrological and nutrient cycling, provision of clean air and the long-term storage of carbon, provision of wildlife habitat, outdoor recreational opportunities, and the sustainable harvest of a wide range of woodland products (Provincial Policy Statement 2005). 253
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