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From SDG Academy
| 154 154 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
| 146 146 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
| 120 120 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
| 108 108 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
| 131 131 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
| 124 124 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
| 89 89 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
| 101 101 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
| 31 31 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…