Central Welland River Watershed Plan - Niagara Peninsula ...

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CENTRAL WELLAND RIVER WATERSHED PLANRestrictions on fish and wildlife consumption (just the wildlife consumptioncomponent – the fish component continues to be impaired)Restrictions on dredging activities (this was originally incorrectly designated asimpaired and has now been removed)Continues To Be “Impaired”:Restrictions on fish and wildlife consumption (just the fish consumptioncomponent)Degradation of benthosBeach closingsLoss of fish & wildlife habitatDegradation of fish populationsFrom “Requires Further Assessment” To “Impaired”:Degradation of fish & wildlife populations (just the degradation of wildlifepopulations component resulting in the entire BUI being listed as impaired)Eutrophication or undesirable algae (just the undesirable algae componentresulting in the entire BUI being listed as impaired)Continues To “Require Further Assessment”:Degradation of Phytoplankton and Zooplankton populationsThe Stage 2 Update report identifies priorities for remediation towards delisting the AOC(draft Stage 2 Update report 2009). These priorities include the following:Addressing sources of nutrients to eutrophication of the Welland River and itstributaries and develop a set of delisting criteria;Restoring and protecting fish and wildlife habitat, including unique habitatsfound rarely in other parts of the Great Lakes basin, and by mitigating theimpacts of hydroelectric operations at the Sir Adam Beck Generating Station onthe river upstream of the Chippawa Power Canal;Implementation of the monitored natural recovery strategy for PCBcontaminatedsediment at Lyon‟s Creek East (e.g. administrative controlsprotocol);Complete assessments for Beneficial Use Impairment status for degradation ofphytoplankton and zooplankton populations and implement appropriate actionsfor any other deemed impaired;Implementation of the updated monitoring plan which will help track progress ofthe Beneficial Use Impairments and ensuring that they don‟t backslide; andComplete assessment of Queens Royal Beach (not in study area) andimplement required actions (Cromie 2010).Initiatives to address these priorities are currently being coordinated by the lead RAPagencies through the new RAP implementation framework presented in the Stage 2Update report. Implementation of the Niagara River RAP monitoring plan will allowcomprehensive and defensible reports on the progress of ecosystem recovery, and willultimately provide the evidence for delisting the Niagara River watershed as a GreatLakes Area of Concern (Cromie 2009).38
Natural Heritage ResourcesCENTRAL WELLAND RIVER WATERSHED PLAN“One of the most fundamental principles of conservation is that there should be a systemof natural corridors across the landscape, interspersed with large core natural areas”(Federation of Ontario Naturalists No Date). Not only does a natural heritage networkprovide a web of natural habitats that is crucial to the long-term survival andsustainability of biological diversity but this natural complex is critical in the maintenanceof a healthy functioning ecosystem.In southwestern Ontario, the Carolinian Life Zone is a rich and diverse network of coresand corridors that stretches from Toronto to Grand Bend extending southward to LakeErie. Also known as the Eastern Deciduous Forest Region, this unique ecosystemboasts roughly one-third of Canada‟s rare and endangered species. Even though theCarolinian Life Zone makes up less than one percent of Canada‟s total land area, itcontains a greater number of species than any other ecosystem in Canada and many ofthese species are not found anywhere else in the country (Johnson 2005). As part of itsBig Picture project, Carolinian Canada identified considerable lands within the CentralWelland River watershed as a „Carolinian Core Natural Area‟ (Figure 11).A core natural area isdefined as: “an intact naturalarea with larger habitatblocks; regions with a highoverall percentage of naturalvegetation cover; viableoccurrences of globally rarespecies and vegetationcommunity types, andconcentrations of rarespecies and vegetation;should exceed 200 hectareswhere possible with smallerhigh-quality sites in areaswith lower amounts ofnatural vegetation cover; aswell as having minimumcorridor widths of 200 metres plus any adjacent areas of natural cover” (Riley et al2003).Corridors provide an increase in functionality of core areas, even smaller or fragmentedareas, by not only facilitating in the movement of larger mammals between naturalareas, but “they are also essential for the movement and maintenance of geneticdiversity for virtually all species regardless of size or species-pollen and seeds and othergenetic material are passed along corridors” (Pim No Date).In Ontario the PPS (MMAH 2005) calls for the wise use and management of resources,accordingly Section 2.1.2 of the PPS states: “The diversity and connectivity of naturalfeatures in an area, and the long-term ecological function and biodiversity of naturalheritage systems, should be maintained, restored or, where possible, improved,recognizing linkages between and among natural heritage features and areas, surfacewater features and ground water features.”39
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Central Welland River Watershed Plan - Niagara Peninsula ...

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