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Schmied The Pacific Salmon life cycle

Schmied The Pacific Salmon life cycle



Life cycle of and hazards to Pacific Salmon. Comprehensive overview. Used for environment overview for life science and sustainability curriculum

Life cycle of and hazards to Pacific Salmon. Comprehensive overview. Used for environment overview for life science and sustainability curriculum



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    Schmied The Pacific Salmon life cycle Schmied The Pacific Salmon life cycle Presentation Transcript

    • jschmied©2014
    • jschmied©2014 Population drives Every Issue in the Environment You can’t appreciate what you don’t understand and if you don’t Understand the environment you can treat the environment with disrespect
    • jschmied©2014 Art Thompson They are in trouble Mark Henderson Haida salmon
    • jschmied©2014 A keystone species: A species that has an unusually large effect on the rest of its environment compared to its abundance.[1] The importance of salmon runs to plants & animals in the entire food chain is enormous. For food – predators & scavengers (over 40 species) For nutrients – adds Nitrogen/Phosphates for growth of streamside plants, cools H2O, prevent erosion… For Income & Jobs - $1.5 B 60K jobs for Fishermen, Suppliers, truckers, restaurants, etc
    • jschmied©2014 Bristol Bay, Alaska Data: produces nearly 50% of the world’s wild sockeye salmon, averages 37.5 million fish/year generates hundreds of millions of dollars in economic activity, employment for over 14,000 workers EPA Feb. 28, 2014
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    • jschmied©2014 In the end of life comes a new beginning! http://www.mvihes.bc.ca/images/ERWRP/circle4.jpg Females use their tails to create a low pressure zone to move rocks & make the redd. Redds are about 18 – 36” deep depending on the salmon species Salmon Redd http://www.des.water.ca.gov/images/FRP/Steelhead_Redd1.jpg
    • jschmied©2014 http://www.mvihes.bc.ca/images/ERWRP/circle4.jpg Salmon mating on Salmon Redd http://www.des.water.ca.gov/images/FRP/Steelhead_Redd1.jpg Eyed eggs jschmied©2014 Eggs from each mating are covered up by the female. A new part of the redd is dug just downstream to keep silt off the older eggs
    • jschmied©2014 o o Total amount of degrees above freezing (energy) young salmon accumulate over time. Used to predict time to hatch, emerge from redd, etc. ATU = Day’s H2O temp in F° – 32F = ____ ATU Ex: 39F° - 32F°= 7 ATU Using 7 ATU/Day: COHO SALMON Atu’s in F° Number Days to: To eyed stage 220 31.5 To hatch 400-500 57 - 71 To emergence 700-800 100 - 114
    • Mud and Sand cover the salmon eggs. Toxic run off from streets & lawn chemicals. Floods disturb the redd, leaving eggs exposed to predators. The Streets become small streams. Non permeable jschmied©2014
    • www.pwlf.org/ chumsalmon.htm jschmied©2014
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    • Note: Fish are camouflaged on top & bottom! www.pwlf.org/ chumsalmon.htm jschmied©2014
    • jschmied©2014 http://www.bpa.gov/corporate/BPANews/Library/images/fish/Chinook_Smolts.jpg
    • Fish Ladder jschmied©2014
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    • Northern Pikeminnow Double Crested Cormorant http://npsrp.weebly.com/salmonid-mortality.html Sculpin Caspian Terns jschmied©2014
    • http://www.wdfw.wa.gov/gallery2/main.php?g2_itemId=130385 jschmied©2014
    • www.seymoursalmon.com/fish%20life%20cycle.htm jschmied©2014
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    • http://cybersalmon.fws.gov/coho.gif jschmied©2014
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    • http://blog.oregonlive.com/news_impact/2008/11/sealion.jpg jschmied©2014
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    • http://www.ngsprints.co.uk/images/M/696507.jpg jschmied©2014
    • Provides food - Eagles, Crows, mammals & scavengers / insects worms etc. Provides nutrients – adds Nitrogen/Phosphates etc for growth of streamside plants jschmied©2014
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    • Klamath River Columbia River jschmied©2014
    • This 85-pound Chinook salmon, a true June hog, was caught at Astoria by fisher Tony Canessa (pictured) in 1925. Photo: Columbia River Maritime Museum jschmied©2014
    • Solutions But No Easy Answers! Richard Shorty jschmied©2014
    • Richard Shorty jschmied©2014
    • We all want to Save the Salmon and protect our Environment…! Danny Dennis jschmied©2014