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White Seabass Lesson Scripps Classroom Connection http://earthref.org/SCC
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Scripps Classroom Connection http://earthref.org/SCC
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Journal Question 1. What is sustainable seafood? Do your best to brainstorm some answers – there is no wrong or right! Scripps Classroom Connection http://earthref.org/SCC
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Why do you think we should raise white seabass in our classroom? Scripps Classroom Connection http://earthref.org/SCC Discussion Questions
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White Seabass Max Size: 5ft / 90 lbs Max age: 27 yrs Range: Pacific coast - Baja to Alaska. Scripps Classroom Connection http://earthref.org/SCC White Seabass caught off the shore of San Diego
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Scripps Classroom Connection http://earthref.org/SCC White Seabass commercial catch off the California coast.
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What can be done to help the white seabass? ● Hatchery; where fish species such as salmon, white seabass, trout, bass, and catfish are hatched, raised and then released to enhance natural populations. ● HUBBS-Seaworld Research Institute (HSWRI) Scripps Classroom Connection http://earthref.org/SCC
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HSWRI Aquaculture Program ● Ocean Resources Enhancement and Hatchery Program (OREHP) ● Releases ~350,000 juvenile white seabass annually. ● Started in the 1980s, when white seabass populations were at an all time low. Scripps Classroom Connection http://earthref.org/SCC
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Raising White Seabass in OUR classroom ● Tank set-up ● Measuring / tagging fish ● Monitoring the fish/water quality ● Student presentations ● Releasing the fish Scripps Classroom Connection http://earthref.org/SCC
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The Fish Tank – 100 gallons Scripps Classroom Connection http://earthref.org/SCC
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Monitoring water quality ● DO – Dissolved oxygen in water ● pH – acidity or alkalinity of water ● Nitrogen (NO2, NO3, NH3, NH4+) – Waste and excess nutrients ● Temperature Scripps Classroom Connection http://earthref.org/SCC
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Monitoring the Fish Scripps Classroom Connection http://earthref.org/SCC
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Releasing the Fish / Student Projects Scripps Classroom Connection http://earthref.org/SCC
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● Fisherman– Recreational and Commercial fisherman. ● Concerned Citizens - You are a group of concerned citizens representing various non-profit/non- governmental organizations (NGO). Concerned about the environment. ● Scientists - Analyzed scientific data and came up with a science-based regulations for the fishery. Research and Poster Project Scripps Classroom Connection http://earthref.org/SCC
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Should the current regulations be changed to allow for more or fewer white seabass to be caught (or should they remain the same)? Major question for each group Scripps Classroom Connection http://earthref.org/SCC
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Step 1: Research Step 2: Group consensus on white seabass regulations Scripps Classroom Connection http://earthref.org/SCC Project Steps
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Step 3: Poster Preparation Step 4: Presentation graded on the content of poster as well as your group’s position and reasoning. Poster Presentation Scripps Classroom Connection http://earthref.org/SCC
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