Course review
Review each learning objective in this topic, then open its concept explanation or question set.
Learning objective
• Phytoplankton: microscopic photosynthetic plankton • Macrophytes: visible aquatic plants
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Organisms from freshwater and marine environments
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Human population growth, dietary preference changes
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Bottom trawling, ghost fishing, poisons, explosives
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Dramatic, lasting stock decrease • Example: Newfoundland cod
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Highest annual catch sustainable over time • Used to set fishing quotas
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Ocean acidification • May cause population collapse in aquatic ecosystems • Example: coral bleaching
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Policy legislation for fishing industry • Consumer behaviour changes • Permits, quotas, seasons, mesh size, zones, labelling
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Support food chains, maintain sustainable yields • Provide shelter and spawning grounds
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Learning objective
• Farming of aquatic organisms • Expanding for food supply and economic development • Impacts: habitat loss, pollution, disease spread, escapees
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Learning objective
• Productivity, thermal stratification, nutrient mixing/loading • Highest productivity near coastlines and shallow seas
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Required for conservation and sustainable use • Monitoring harvest rates
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Learning objective
• Estimated value, inevitably inaccurate • Exceeding rate → positive feedback → rapid decline
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Learning objective
• Requires cooperation: governments, industry, consumers, NGOs • Measures: fishing bans, license limits, bycatch prevention
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Learning objective
• Exclusive economic zone: 370 km from coast • High seas (60% of ocean): limited regulation • Equity issues when countries sell fishing access
Start with the concept explanation, then practise to create mastery evidence.
Learning objective
• Seals, whales, dolphins • Animal rights vs. indigenous group rights
Start with the concept explanation, then practise to create mastery evidence.