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Most of marine aquaculture is not sustainable and is actually taking away protein from the human population. Around 1990, the wild capture fisheries leveled off at 95…
Aquaculture and Mariculture
From SDG Academy
175 plays -
Marine food web structures differ greatly from those on land; plankton build up organic matter through photosynthesis that is consumed by secondary consumers, tiny…
Marine Food Chains
From SDG Academy
156 plays -
This chapter discusses the economic value and ecosystem services of the ocean. The world fisheries and mariculture sector make up multibillion dollar industries, and the…
Marine Ecosystem Change and Services
From SDG Academy
121 plays -
This chapter examines two major factors that lead to changes in local species communities - climate change and the human-driven transportation of marine organisms…
Alien Species Migrations and Range Shifts
From SDG Academy
109 plays -
Protecting coastal ecosystems means protecting the coasts, and may be effective in fighting sea level rise. Coastlines see the interaction between human population…
Coastal Ecosystems
From SDG Academy
136 plays -
Marine life adapts to the extreme and unique conditions deep in the ocean. Of the probably more than one million species in the oceans, at least four-fifths are…
Evolution and Marine Biodiversity
From SDG Academy
94 plays -
This chapter presents a positive example of marine management with nutrient management in the Baltic Sea and shows that it is essential to have effective international…
Ecosystem and Nutrient Management
From SDG Academy
127 plays -
This chapter examines ocean evolution on long geographic timescales. The oceans are by far the largest ecosystem on earth and they are three dimensional in contrast to…
Ocean Evolution
From SDG Academy
104 plays -
This chapter looks at how marine ecosystems reacts to human pressure and the resilience of the system. Nutrient pollution is a problem in marine ecosystems because…
Resilience and Adaptation in the Ocean
From SDG Academy
91 plays
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