Beneath the Surface: Light in the Ocean
One of the defining elements that distinguishes one ocean layer from another is the presence or absence of light. The impact of light in the marine environment is significant. It affects the behavior of marine animals and has an impact on their anat...
Subject: phytoplankton
Transcript: sweetest phytoplankton are After a day's photosynthesizing. All the good stuff's up there. So these vertical migrators will come up to the surface at night
Beneath the Surface: Ocean's Horizontal Layers, The
The area beneath the surface of the ocean is laid out in discrete zones and layers. These provide a convenient framework within which to analyze ocean structure.
Subject: phytoplankton
Transcript: light penetrates In the very surface of the waters. Here is where you find phytoplankton and zooplankton, You find oceanic food webs that depend On those
Its in the Water: Ocean and Carbon Dioxide, The
The exchange of gasses, like carbon dioxide, is a critical aspect of the ongoing and dynamic interaction between the ocean and the atmosphere. Scientists are very interested in the ocean's ability to absorb carbon dioxide that mankind's activities m...
Subject: phytoplankton
Transcript: . That means that phytoplankton were growing like gangbusters, Sucking up atmospheric co2, blowing off oxygen, Transporting carbon to the deep sea. And
Dirty Water: Eutrophication
Among the greatest threats to estuaries and other closed bodies of water is eutrophication. This is the process by which abnormally high levels of nutrients are introduced into the environment. This can create an imbalance in the local ecosystem, wh...
Subject: phytoplankton
Transcript: water. [mcdowell:] nutrients are good in themselves In that they allow plants to grow. They allow phytoplankton to grow, and that's the basis Of marine