Barrie Creeks, Lovers Creek, and Hewitt's Creek Subwatershed Plan

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The Barrie Creeks, Lovers Creek and Hewitt’s Creek Subwatershed Plan An assessment of the “extreme-case scenario” for development in these subwatersheds is shown in Figure 6-18. This assessment assumes full build-out in the settlement areas and the annexed lands (i.e. all natural heritage features not protected by LSPP, municipal official plan, or Conservation Authority regulation and all agricultural lands converted to urban land use), and all unprotected natural heritage features outside settlement areas converted to agricultural land use. This scenario results in a slight increase in the amount of urban land use in the Barrie Creeks subwatershed, and a substantial increase in the Lovers Creek and Hewitt’s Creek subwatersheds (associated with the annexed lands). This scenario also results in net decreases in both agricultural land and natural heritage features to offset the projected urban growth. As mentioned above, natural heritage features vulnerable to development include grasslands and small isolated forests. The extent of urban intensification projected in these subwatersheds suggests that the indirect impacts associated with urban intensification, such as impacts associated with adjacent road traffic, an increase in invasive species, trophic cascades, and other stresses outlined in Sections 6.3.2 to 6.3.9 may become even more significant stressors in these subwatersheds in the future. Unfortunately, these indirect effects are more difficult to control through mechanisms such as municipal Official Plans. Figure 6-18: Extreme-case scenario of possible land use change in the Barrie Creeks, Lovers Creek, and Hewitt’s Creek subwatersheds. Chapter 6: Terrestrial Natural Heritage 303
The Barrie Creeks, Lovers Creek and Hewitt’s Creek Subwatershed Plan 6.4.1.2 Acquisition of natural heritage features by public agencies Several mechanisms exist for the acquisition of natural heritage features by the Lake Simcoe Region Conservation Authority and municipal governments. The LSRCA has a land securement program which aims to acquire significant natural heritage features in the Lake Simcoe watershed, on a willing buyer – willing seller basis. LSRCA has developed a Natural Heritage System Land Securement Project, which focuses LSRCA’s securement efforts by identifying nine land securement priority areas (LSRCA, 2010) which will be actively pursued. Although none of these priority areas are within the Barrie Creeks, Lovers Creek, or Hewitt’s Creek subwatersheds, the LSRCA may consider receiving donations of relatively large parcels of land, if they meet the criteria of the Conservation Land Tax Incentive Program. Similarly, Simcoe County has a land acquisition program intended to increase the amount of County Forest holdings. Priority acquisition of land for the County Forest program is given to properties adjacent to existing county forests, and that contribute to both forestry and natural heritage purposes. The City of Barrie and Town of Innisfil also have parkland dedication targets in their Official Plans. These targets are intended to ensure that as the population grows, opportunities for outdoor recreation grow as well. Although parkland targets are primarily geared towards ‘traditional’ municipal parks (e.g. soccer fields, baseball diamonds, playgrounds, and other manicured greenspace), larger ‘regional’ parks sometimes include natural heritage features within them. With projected growth in Barrie and Innisfil, by 2031 these municipalities should see an additional 159 ha and 50 ha of ‘regional’ park established respectively. 6.4.2 Restoration and remediation There are a range of programs operating in these subwatersheds to assist private landowners in improving the environmental health of their land. The Landowner Environmental Assistance Program (LEAP) is a partnership between the Lake Simcoe Region Conservation Authority, its member municipalities, and the York, Durham, and Simcoe chapters of the Ontario Federation of Agriculture. This program provides technical and financial support to landowners in the Lake Simcoe watershed wanting to undertake stewardship projects on their land. Project types which have traditionally been funded by the LEAP program include managing manure and other agricultural wastes, decommissioning wells and septic systems, fencing and planting riparian areas, and increasing the amount of wildlife habitat in the watershed, among others. Since 1989, in addition to projects focussed specifically on protecting water quality, LEAP has supported five riparian buffer and one upland tree planting in the Barrie Creeks subwatershed, one riparian and four upland tree plantings in the Lovers Creeks subwatershed, and three riparian plantings in the Hewitt’s Creek subwatershed. The Ontario Ministries of Natural Resources, Environment, Chapter 6: Terrestrial Natural Heritage 304
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Barrie Creeks, Lovers Creek, and He
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Acknowledgements The Barrie Creeks,
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• East of the Barrie Creeks subwa
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Fish Habitat -Fish communities in t
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Table of Contents TABLE OF CONTENTS
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3.5.4 Water Temperature - thermal d
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5.3.11 Climate Change 237 5.4 ASSES
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6.5.10 Improving data management 31
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LIST OF FIGURES CHAPTER 1 Figure 1-
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Figure 2-34: Annual precipitation (
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CHAPTER 4 Figure 4-1: Hydrologic cy
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Figure 5-11: Pathways by which impe
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Figure 7-11: Riparian area with app
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Table 3-4: Surface water quality co
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CHAPTER 5 Table 5-1: Fish species c
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The Barrie Creeks, Lovers Creek and
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Creek ANNE ST N BAYFIELD ST N LINE
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Barrie Creeks, Lovers Creek, and Hewitt's Creek Subwatershed Plan

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