Marine Biology - SDG Academy Library

10:39

Dance of the Plankton

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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…

11:39

Aquaculture and Mariculture

From SDG Academy

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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…

09:04

Marine Food Chains

From SDG Academy

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Marine food web structures differ greatly from those on land; plankton build up organic matter through photosynthesis that is consumed by secondary consumers, tiny…

09:43

Alien Species Migrations and Range Shifts

From SDG Academy

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This chapter examines two major factors that lead to changes in local species communities - climate change and the human-driven transportation of marine organisms…

08:35

Deltas under Pressure

From SDG Academy

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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…

08:37

The Ocean’s Biological Pump

From SDG Academy

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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…

13:05

Coastal Ecosystems

From SDG Academy

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Protecting coastal ecosystems means protecting the coasts, and may be effective in fighting sea level rise. Coastlines see the interaction between human population…

10:21

Life in the Deep-Sea

From SDG Academy

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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…

11:32

Evolution and Marine Biodiversity

From SDG Academy

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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…

07:17

Threats from the Sea Bed

From SDG Academy

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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…

09:03

Ecosystem and Nutrient Management

From SDG Academy

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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…

07:19

Ocean Heat Storage and Sea Level

From SDG Academy

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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…

11:11

Ocean Evolution

From SDG Academy

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This chapter examines ocean evolution on long geographic timescales. This video is licensed under the CC BY-NC-SA license. Learn more at…

21:23

Oceans and Fisheries

From SDG Academy

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This 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…

09:47

Governing Ocean Pollution

From SDG Academy

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In this video, you will learn how multifaceted strategies for governing ocean pollution can be. This video is licensed under the CC BY-NC 4.0 license. Learn more at…

11:09

Resilience and Adaptation in the Ocean

From SDG Academy

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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…

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