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From SDG Academy
153 playsMost 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… -
From SDG Academy
154 playsMarine food web structures differ greatly from those on land; plankton build up organic matter through photosynthesis that is consumed by secondary consumers, tiny… -
From SDG Academy
120 playsThis chapter discusses the economic value and ecosystem services of the ocean. The world fisheries and mariculture sector make up multibillion dollar industries, and the… -
From SDG Academy
108 playsThis chapter examines two major factors that lead to changes in local species communities - climate change and the human-driven transportation of marine organisms… -
From SDG Academy
132 playsProtecting coastal ecosystems means protecting the coasts, and may be effective in fighting sea level rise. Coastlines see the interaction between human population… -
From SDG Academy
90 playsMarine 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… -
From SDG Academy
125 playsThis 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… -
From SDG Academy
103 playsThis 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… -
From SDG Academy
61 playsThis 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…