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From SDG Academy
195 playsPlankton are tiny creatures that drift in the sunlit surface layer of the sea, and their choreography is conducted by sunlight and nutrients. Light only penetrates the… -
From SDG Academy
160 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
155 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 playsIn this video, you will learn how multifaceted strategies for governing ocean pollution can be. Ocean pollution does not know any boundaries but it affects us all and… -
From SDG Academy
97 playsHalf the oxygen we breathe comes from tiny phytoplankton that live in the sunlit surface layer of the ocean. They consume carbon dioxide in photosynthesis, but much of… -
From SDG Academy
142 playsWhat is a tsunami and how does it occur? 80 percent of tsunamis are produced when earthquakes displace the sea floor, and the rest are from landslides underwater. There… -
From SDG Academy
109 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
143 playsIn this chapter, Karl Statteger discusses coastal geology and river mouth systems and deltas. Rivers form deltas at their mouth and bring high quantities of sediment to… -
From SDG Academy
97 playsThis chapter discusses how sea level is affected by things like surface temperature and ocean heat. The temperature of the ocean determines the phase of the water and… -
From SDG Academy
135 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
92 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
127 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
104 playsAlthough the deep sea has been thought of as inhospitable and barren, it is populated by a huge diversity of organisms and is one of the most exotic ecosystems on earth… -
From SDG Academy
104 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
41 playsThis lecture looks at human interaction with oceans and aquaculture, and the adverse effect it has had on marine ecosystems and well as fisheries. This video is not… -
From SDG Academy
68 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…