Status of the Athabasca Rainbow Trout (Oncorhynchus mykiss) in Alberta /

Every five years, the Fish and Wildlife Division of Alberta Sustainable Resource Development reviews the general status of wildlife species in Alberta.These overviews, which have been conducted in 1991 (The Status of Alberta Wildlife ), 1996 (The Status of Alberta Wildlife ), 2000 (The General Status of Alberta Wild Species 2000), and 2005 (The General Status of Alberta Wild Species 2005 ) assign individual species "ranks" that reflect the perceived level of risk to populations that occur in the province.Such designations are determined from extensive consultations with professional and amateur biologists, and from a variety of readily available sources of population data.A key objective of these reviews is to identify species that may be considered for more detailed status determinations.The Alberta Wildlife Status Report Series is an extension of the general status exercise, and provides comprehensive current summaries of the biological status of selected wildlife species in Alberta.Priority is given to species that are At Risk or May Be At Risk in the province, that are of uncertain status ( Undetermined ), or that are considered to be at risk at a national level by the Committee on the Status of Endangered Wildlife in Canada (COSEWIC).Reports in this series are published and distributed by the Alberta Conservation Association and the Fish and Wildlife Division of Alberta Sustainable Resource Development.They are intended to provide detailed and up-to-date information that will be useful to resource professionals for managing populations of species and their habitats in the province.The reports are also designed to provide current information that will assist Alberta's Endangered Species Conservation Committee in identifying species that may be formally designated as Endangered or Threatened under Alberta's Wildlife Act.To achieve these goals, the reports have been authored and/or reviewed by individuals with unique local expertise in the biology and management of each species. in rainbow trout, as well as introduced brook trout in the Athabasca region, and supplied us with the data files that we analyzed for this report, as well as the map shown in Figure 1.In addition, George provided the historical context for all of the analysis, by virtue of his long experience and deep knowledge of the Athabasca region and its fish resources.He also took the time to perform a thorough review of the manuscript.We would also like to thank Dr. Michael Sullivan (ASRD, Edmonton) for his contributions to the risk assessments that were carried out in this analysis.Lisa Matthias (ASRD, Edmonton), Sue Peters (Alberta Conservation Association, Edmonton) and Craig Johnson (ASRD, Grande Prairie) reviewed the manuscript and provided helpful suggestions and comments.Anke Bezeidenhout (University of Lethbridge) was very helpful in preparing and analyzing the data files used in this analysis, and Lucas Rasmussen read over the manuscript and provided considerable editorial assistance.Ngaio Baril (Foothills Stream Crossing Program [FSCP], Foothills Research Institute, Hinton) provided a summary of the FSCP data for crossings that are high risk for fish passage.

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