Marine Biology - SDG Academy Library

duration 10 minutes 39 seconds

Dance of the Plankton

191 plays

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…

Marine Food Chains

duration 9 minutes 4 seconds

Marine Food Chains

From SDG Academy

154 plays

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

Aquaculture and Mariculture

duration 11 minutes 39 seconds

Aquaculture and Mariculture

From SDG Academy

146 plays

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…

Governing Ocean Pollution

duration 9 minutes 47 seconds

Governing Ocean Pollution

From SDG Academy

118 plays

In 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…

The Ocean’s Biological Pump

duration 8 minutes 37 seconds

The Ocean’s Biological Pump

From SDG Academy

93 plays

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…

Threats from the Sea Bed

duration 7 minutes 17 seconds

Threats from the Sea Bed

From SDG Academy

139 plays

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…

Alien Species Migrations and Range Shifts

duration 9 minutes 43 seconds

Alien Species Migrations and Range Shifts

From SDG Academy

108 plays

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

Deltas under Pressure

duration 8 minutes 35 seconds

Deltas under Pressure

From SDG Academy

140 plays

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…

Ocean Heat Storage and Sea Level

duration 7 minutes 19 seconds

Ocean Heat Storage and Sea Level

From SDG Academy

95 plays

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…

Coastal Ecosystems

duration 13 minutes 5 seconds

Coastal Ecosystems

From SDG Academy

131 plays

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

Ecosystem and Nutrient Management

duration 9 minutes 3 seconds

Ecosystem and Nutrient Management

From SDG Academy

124 plays

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…

Life in the Deep-Sea

duration 10 minutes 21 seconds

Life in the Deep-Sea

From SDG Academy

101 plays

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…

Evolution and Marine Biodiversity

duration 11 minutes 32 seconds

Evolution and Marine Biodiversity

From SDG Academy

89 plays

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…

Ocean Evolution

duration 11 minutes 11 seconds

Ocean Evolution

From SDG Academy

101 plays

This 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…

Oceans and Fisheries

duration 21 minutes 23 seconds

Oceans and Fisheries

From SDG Academy

39 plays

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…

Resilience and Adaptation in the Ocean

duration 11 minutes 9 seconds

Resilience and Adaptation in the Ocean

From SDG Academy

28 plays

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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