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									Conservation of Canada’s grasslands
  species in an ecosystem context
               Title page




                Tian Everest
Centre for Conservation Research, Calgary Zoo
Overview

           6th mass extinction

           Outline
           • Species vs ecosystem
             conservation

           • Canadian legislation

           • Species recovery
             examples

           • Potential trends in
             Canada
Duelling Paradigms

     Species Based           Ecosystem Based
      Conservation     VS.     Conservation




Photo: Andrew Bryant
Canada
Species At Risk Act, 2003

Mandate: Prevent indigenous species, subspecies, and
  distinct populations from becoming extirpated or extinct

                                                         Species at Risk Act
Species listing put forward by                      Recovery Strategy Series

COSEWIC
                                           Recovery Strategy for the
                                             SWIFT FOX (Vulpes
                                             VELOX) in Canada
Recovery teams formed for all species
with designations of Threatened or
greater
Burrowing Owls

Endangered, extirpated from BC in the 1980s

BC recovery relies on captive
breeding, reintroductions and
artificial burrows

Research Focus
• Assessing burrow construction
• Population modeling to
  determine what is needed to
  reach BC’s recovery goal of 30
  wild pairs
  Burrowing Owls


                        Burrowing owl release, hatching and return numbers in British
                                                  Columbia

                  250                                                    Birds Released
Number of birds




                  200
                  150                                                    Offspring hatched
                  100                                                    during release
                                                                         year
                  50                                                     Return birds from
                   0                                                     previous years
                     92

                     94

                     96

                     98

                     00

                     02

                     04

                     06

                     08

                     10
                  19

                  19

                  19

                  19

                  20

                  20

                  20

                  20

                  20

                  20
                                           Year
Swift foxes

Endangered (recommended for down listing to Threatened)


Research focus
• Scientifically identifying critical
  habitat
• Genetically assessing
  diversity and movement within
  the population




                                        Photo: Gordon Court
                                        Photo: Gordon Court
Swift foxes
          Swift fox occurrence model
Swift foxes
        Proposed swift fox critical habitat
Black-footed ferrets &
Black-tailed prairie dog
Canada’s first joint species recovery team

         Special Concern                     Extirpated




Photo: Tara Stephens            Photo: WWF-Troy Fleece
Black-footed ferrets &
Black-tailed prairie dogs
Canadian Situation
• Black-tailed prairie dogs listed as Special Concern
• Virtually all colonies exist within protected lands

Research Focuses
• prairie dog population demographics and dynamics
• habitat modeling for colony expansion
Black-footed ferrets &
Black-tailed prairie dogs

                                             Annual Variation in Prairie Dog Densities
                                            30
    Average Number of Animals per Hectare




                                            25


                                            20


                                            15


                                            10


                                             5


                                             0
                                                 2004   2005   2006          2007   2008   2009
                                                                      Year
Black-footed ferrets &
Black-tailed prairie dogs
Black-footed ferrets &
Black-tailed prairie dogs
       Species Interactions




Photos: Swift fox – Gordon Court, Black-tailed prairie dog – Tian Everest, Black-footed ferret - USFW
MULTI-SAR Approach

Federal
• Developing multi-species plans for federal lands
• Membership cross-over between recovery teams

Provincial
• Identifying ‘hot spots’ of species occurrences to protect
Thank-You
Supporters
•   Alberta Conservation Association
•   Canadian Wildlife Federation
•   Cenovus Energy
•   Husky Energy
•   Individual Donors
•   Nexen Inc
•   Parks Canada Agency
•   TD Friends of the Environment Foundation
•   The Calgary Foundation
•   WWF Canada & WWF US




Thanks to the Centre for Conservation Research
scientific staff for the use of their data
         Calgary Zoo
Update of Black-Tailed Prairie Dog
       Centre for Conservation Research
      Research in Canada
           2007 - 2010




     Recovery Team Meeting 2011
       Natasha Lloyd and Tara Stephens

								
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