Creatures of the Deep - The Amazing Lives of Rockfish
· Galiano Island · Reports & Publications · 2013
Original Trust document
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Topics: Marine & foreshore · Climate & environment — our classification, not the Trust's.
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The Amazing Lives of Rockfish Lia Chalifour, Biologist Galiano Conservancy Association Photo by Scott Stevenson, Pacific Marine Imaging Rockfish Natural History • Live larvae – not eggs • Territorial (Home on the range) • Long lived • Late bloomers/fine wine • Curious ‘ Mesopredators ’ • Creatures of the deep • Under Pressure Photo by Scott Stevenson, Pacific Marine Imaging Threats to Rockfish:• Overfishing • Habitat degradation • Pollution • Derelict fishing nets • Climate Change Maps from Fisheries and Oceans Canada http://www.pac.dfo-mpo.gc.ca/fm-gp/ maps-cartes/rca-acs/index-eng.htm • 164 RCAs in 2007 • 86 in the Strait of Georgia • No hook and line fishing Pebble Beach RCA Trincomali Channel RCA Gossip RCA Rockfish Photos by Scott Stevenson •189 rockfish•5 species•Mostly Quillback and Copper Out of 18 transects: Highest biodiversity and density was seen outside of the RCAs IN RCAs:13 rockfish per 100m 3 OUTSIDE RCAs:24 rockfish per 100m 3 Multiple benefits of Rockfish Conservation Areas? Threats to Rockfish:• Overfishing • Habitat degradation • Pollution • Derelict fishing nets • Climate Change? Photo by Scott Stevenson, Pacific Marine Imaging Thank You!Travis Beaulieu – Dive partner, videographer, ‘keystone teammate’Dana Haggarty – Aid in methods and SurveyingDr. Tom Mommsen – Rockfish biology and habitat Galiano Community Volunteers!Dr. K. Lynne Yamanaka –DFO data, background and site choice
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