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Redside Dace (Clinostomus Elongatus ) in Ontario Ontario Recovery Strategy Series

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Redside Dace (Clinostomus Elongatus ) in Ontario Ontario Recovery Strategy Series g o l a t a C e d i l S h s i F S F A / n o t s o R . N . W : o t o h P Redside Dace (Clinostomus elongatus ) in Ontario Ontario Recovery Strategy Series Recovery strategy prepared under the Endangered Species Act, 2007 February 2010 Ministry of Natural Resources About the Ontario Recovery Strategy Series This series presents the collection of recovery strategies that are prepared or adopted as advice to the Province of Ontario on the recommended approach to recover species at risk. The Province ensures the preparation of recovery strategies to meet its commitments to recover species at risk under the Endangered Species Act, 2007 (ESA, 2007) and the Accord for the Protection of Species at Risk in Canada. What is recovery? What’s next? Recovery of species at risk is the process by which the Nine months after the completion of a recovery strategy decline of an endangered, threatened, or extirpated a government response statement will be published species is arrested or reversed, and threats are which summarizes the actions that the Government of removed or reduced to improve the likelihood of a Ontario intends to take in response to the strategy. The species’ persistence in the wild. implementation of recovery strategies depends on the continued cooperation and actions of government agencies, individuals, communities, land users, and What is a recovery strategy? conservationists. Under the ESA, 2007, a recovery strategy provides the best available scientific knowledge onwhat is required For more information to achieve recovery of a species. A recovery strategy outlines the habitat needs and the threats to the To learn more about species at risk recovery in Ontario, survival and recovery of the species. It also makes please visit the Ministry of Natural Resources Species at recommendations on the objectives for protection and Risk webpage at: www.ontario.ca/speciesatrisk recovery, the approaches to achieve those objectives, and the area that should be considered in the development of a habitat regulation. Sections 11 to 15 of the ESA, 2007 outline the required content and timelines for developing recovery strategies published in this series. Recovery strategies are required to be prepared for endangered and threatened species within one or two years respectively of the species being added to the Species at Risk in Ontario list. There is a transition period of five years (until June 30, 2013) to develop recovery strategies for those species listed as endangered or threatened in the schedules of the ESA, 2007. Recovery strategies are required to be prepared for extirpated species only if reintroduction is considered feasible. Recovery Strategy for Redside Dace in Ontario RECOMMENDED CITATION Redside Dace Recovery Team. 2010. Recovery Strategy for Redside Dace (Clinostomus elongatus) in Ontario. Ontario Recovery Strategy Series. Prepared for the Ontario Ministry of Natural Resources, Peterborough, Ontario. vi + 29 pp. Cover illustration: W.N Roston/AFS Fish Slide Catalog © Queen’s Printer for Ontario, 2010 ISBN 978-1-4435-2088-1 (PDF) Content (excluding the cover illustration) may be used without permission, with appropriate credit to the source. i Recovery Strategy for Redside Dace in Ontario AUTHORS Redside Dace Recovery Team ACKNOWLEDGMENTS The Redside Dace Recovery Team would like to thank the following organizations for their generous financial support: Ontario Ministry of Natural Resources, Government of Canada (Species at Risk Habitat Stewardship Program), and the Toronto Zoo. In addition we would like to thank the following organizations for their contributions to the project: Ontario Streams, Grand River Conservation Authority, Conservation Halton, Credit Valley Conservation, Toronto Region Conservation Authority, Lake Simcoe Region Conservation Authority, Central Lake Ontario Conservation Authority, Rouge Park Alliance, Ontario Stewardship (Wellington County Stewardship Council), and Royal Ontario Museum. The work of Lawrence Ignace as recovery team coordinator at the beginning of this process is gratefully acknowledged. The cover photo of the Redside Dace is reproduced with thanks courtesy of W.N. Roston/AFS Fish Slide Catalog. ii Recovery Strategy for Redside Dace in Ontario DECLARATION The Ontario Ministry of Natural Resources has led the development of this recovery strategy for the Redside Dace in accordance with the requirements of the Endangered Species Act, 2007 (ESA 2007). This recovery strategy has been prepared as advice to the Government of Ontario, other responsible jurisdictions and the many different constituencies that may be involved in recovering the species. The recovery strategy does not necessarily represent the views of all of the individuals who provided advice or contributed to its preparation, or the official positions of the organizations with which the individuals are associated. The goals, objectives and recovery approaches identified in the strategy are based on the best available knowledge and are subject to revision as new information becomes available. Implementation of this strategy is subject to appropriations, priorities and budgetary constraints of the participating jurisdictions and organizations. Success in the recovery of this species depends on the commitment and cooperation of many different constituencies that will be involved in implementing the directions set out in this strategy. RESPONSIBLE JURISDICTIONS Ontario Ministry of Natural Resources Department of Fisheries and Oceans Canada iii Recovery Strategy for Redside Dace in Ontario EXECUTIVE SUMMARY The Redside Dace (Clinostomus elongatus) is a small colourful cyprinid (minnow family) that lives in small streams in the southern Great Lakes basin, the upper Mississippi drainage and the upper Susquehanna River drainage. In Canada, the Redside Dace is found only in southern Ontario where it most frequently occurs in streams flowing into western Lake Ontario. The species has declined in many areas throughout its range. The Committee on the Status of Species at Risk in Ontario (COSSARO) originally assessed the Redside Dace as threatened in 2000. Based on observed declines and threats to remaining populations the species was uplisted to endangered in 2009 under Ontario’s Endangered Species Act, 2007 (ESA 2007). Redside Dace was assessed as endangered in Canada by the Committee on the Status of Endangered Wildlife in Canada (COSEWIC) in April of 2007. The Redside Dace is currently being considered for listing as endangered under the federal Species at Risk Act (SARA). The recovery strategy has been prepared by a recovery team consisting of representatives from the provincial and federal governments, conservation authorities, the Royal Ontario Museum, the Toronto Zoo, and Ontario Streams. The recovery strategy provides a framework for action for responsible jurisdictions and others to secure the persistence and sustainability of Redside Dace in Ontario. Redside Dace require cool, clear flowing water with riffle-pool sequences and overhanging streamside vegetation. Redside Dace populations have been lost from several tributaries to western Lake Ontario and the length of stream occupied by several of the remaining populations has been reduced. Urban development is considered to be the most significant threat acting upon Redside Dace populations in Ontario. Most of Canada’s Redside Dace populations are found in the ‘Golden Horseshoe Region’ of Ontario which is an area that is rapidly being developed. Urban development can cause siltation, changes in stream channel structure and water clarity, increased stream temperatures, alteration to groundwater and stream baseflow, result in the removal of riparian vegetation and result in the input of pollutants to streams. All of these factors can have negative impacts on Redside Dace populations. Other contributing threats to Redside Dace populations include intensive agricultural activities and introductions of non-indigenous species. Several knowledge gaps are identified related to the distribution, biology and factors that limit Redside Dace populations. In order to direct recovery efforts efficiently, it is important to clearly identify the principal factors that limit the abundance and distribution of Redside Dace populations in Ontario. The long-term goal of this recovery strategy is to restore viable populations of Redside Dace in a significant portion of their historic range in Ontario by: i) protecting existing healthy, self-sustaining populations and their habitats; ii) restoring degraded populations and habitats; iii) re-establish Redside Dace to sites of former distribution where feasible. iv Recovery Strategy for Redside Dace in Ontario The short-term recovery objectives to be addressed over the next 5 years are to: 1. Determine distribution and abundance of extant populations. 2. Maintain the current geographical distribution and abundance of Redside Dace through habitat protection and other measures. 3. Establish a long-term monitoring program to assess the status of Redside Dace and its habitats. 4. Generate awareness regarding the significance of Redside Dace and protection and stewardship of its habitats. 5. Rehabilitate degraded Redside Dace habitats and identify candidate areas for re- introductions. The recovery strategy identifies approaches that will protect existing populations, rehabilitate degraded habitats, collect information on the status of Redside Dace and its habitats, and increase awareness regarding the significance of Redside Dace. Significant progress has
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