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ATLANTIC SALMON

lahave river invasive species project

Researching the level of impact invasive fish species have on the LaHave River Atlantic Salmon population

Smallmouth bass (Micropterus dolomieu) and chain pickerel (Esox niger) are species of fish which are non-native to Nova Scotia. Over the past decade both of these non-native species have become established throughout a large portion of the LaHave River watershed. This illegal introduction has exposed native fish species to two highly predatory species as well as increased levels of competition for food and habitat.

  • Coastal Action initiated the LaHave River Invasive Species Project in 2017 to determine if Atlantic salmon smolt are being preyed upon by chain pickerel and smallmouth bass as they migrate to the ocean during early spring.
  • Research takes place from April to September and involves analyzing stomach contents of fish captured via scientific angling and electrofishing.​
  • Chain pickerel and smallmouth bass were tagged in 2018 as part of a mark and recapture study to determine population estimates for these species in Wentzells Lake. 

project reports

2018 LaHave River Invasive Species Report
2017 LaHave River Invasive Species Report
Picture
Atlantic salmon smolt found in the stomach of a chain pickerel and smallmouth bass captured in Wentzells Lake in 2017.
Picture

Location

Coastal Action
The Mahone Bay Centre
45 School Street
Mahone Bay, Nova Scotia
B0J 2E0

Contact Us

Tel: 902-634-9977
Email: info@coastalaction.org
Picture

COPYRIGHT © COASTAL ACTION 2020. SITE BY SKYSAIL.
  • WHO WE ARE
    • OUR TEAM
    • 25TH ANNIVERSARY
  • WHAT WE DO
    • SERVICES
    • CLIMATE CHANGE & EDUCATION >
      • CLIMATE CHANGE >
        • STORMWATER MANAGEMENT
        • CARBON SEQUESTRATION
      • EDUCATION >
        • ENVIRONMENTAL EDUCATION PROGRAMS
        • EARTH ADVENTURE CAMPS
        • SCHOOL PROGRAMS
        • NOVA ACTION >
          • MEET THE COHORT
          • CONTACT THE TEAM
    • COASTAL & MARINE >
      • MICROPLASTICS
      • GHOST GEAR
      • OCEAN FRIENDLY NOVA SCOTIA
      • WORLD OCEANS DAY
    • WATERSHEDS & WATER QUALITY >
      • WATER QUALITY >
        • LUNENBURG HARBOUR
        • LAHAVE WATERSHED
        • PETITE RIVIÈRE
        • SHERBROOKE LAKE & FOX POINT LAKE
      • WATERSHED PROJECTS >
        • FISH HABITAT RESTORATION
    • SPECIES AT RISK & BIODIVERSITY >
      • ATLANTIC WHITEFISH
      • AMERICAN EEL
      • ATLANTIC SALMON
      • SNAPPING TURTLE MONITORING
    • PAST PROJECTS >
      • COASTAL POLICY
      • WILDCAT SHALE PIT
      • ROSEATE TERN RECOVERY
  • WHAT YOU CAN DO
    • DONATE
    • WORK WITH US
    • AWARDS & BURSARIES
  • PUBLICATIONS
    • NEWSLETTER
    • ANNUAL REPORTS
    • PUBLICATIONS
  • DONATE
  • CONTACT