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From SDG Academy on 31 July, 2019
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… -
From SDG Academy on 31 July, 2019
Plankton 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 on 31 July, 2019
Marine 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 on 31 July, 2019
In 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 on 31 July, 2019
Protecting 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 on 31 July, 2019
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… -
From SDG Academy on 31 July, 2019
This 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 on 31 July, 2019
What 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 on 31 July, 2019
Although 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 on 31 July, 2019
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… -
From SDG Academy on 31 July, 2019
This 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 on 31 July, 2019
This chapter examines ocean evolution on long geographic timescales. This video is licensed under the CC BY-NC-SA license. Learn more at… -
From SDG Academy on 31 July, 2019
Half 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 on 27 August, 2019
This lecture looks at human interaction with oceans and aquaculture, and the adverse effect it has had on marine ecosystems and well as fisheries. -
From SDG Academy on 14 January, 2020
In this live session, Nina van Toulon, Founder of the Eco Flores Foundation and Initiator at the Indonesia Waste Platform, speaks with Richmond Kennedy Quarcoo from… -
From SDG Academy on 31 July, 2019
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…