Jim Sullivan 03/02/16 Phytoplankton Form and Function in the Turbulent Ocean

  Рет қаралды 11,845

FAU Harbor Branch Oceanographic Institute

FAU Harbor Branch Oceanographic Institute

Күн бұрын

About the Speaker
Jim Sullivan is originally from New England and received his M.S. and Ph.D. from the University of Rhode Island, Graduate School of Oceanography. He has spent most of his career studying phytoplankton and developing new optical instrumentation and techniques to better understand their ecology in the ocean. He is particularly interested in the biology of dinoflagellates, bioluminescence, and Harmful Algal Blooms. He has recently joined FAU Harbor Branch as a Research Professor. He and his family are now extremely happy to be living in sunny and warm Florida, and to be part of the FAU Harbor Branch family.
About the Lecture
The term “phytoplankton” is derived from ancient Greek and translates as “wandering plant”. However, this simple term masks the incredible adaptations that these single cell, microscopic organisms have evolved to thrive in the oceans. For example, while many phytoplankton can be considered plants, many species also bridge the gap between plants and animals, having characteristics of both, and some are not plants at all. And far from being passive “wandering” organisms carried at the whim of the ocean’s currents, many species have evolved methods to control their movements in the ocean.
This lecture discusses the amazing adaptations of different phytoplankton species and how these different adaptations in form and function contribute to the success of a species, and their competition with each other, to dominate and thrive in the turbulent environment of the oceans.

Пікірлер: 9
@TITAN0402
@TITAN0402 6 жыл бұрын
Brilliant talk!
@splinterhood
@splinterhood 6 жыл бұрын
very informative!
@h.e.hazelhorst9838
@h.e.hazelhorst9838 20 күн бұрын
Amazing creatures, these Diatoms and Dinoflagellates. It seems that ‘harmful’ algae blooms almost always occur in shallow, coastal waters (like lagoons, estuaries etc) as opposed to the open ocean. Does this mean that Dinoflagellates are limited to these waters? Or are there other factors? If iron is added (as a result of a volcano eruption, or on purpose, by human interference), does this benefit the Diatoms mostly?
@danbell1618
@danbell1618 2 жыл бұрын
I want to know whats going on with blue green algae being added to drinks.. i was drinking the stuff oblivious to what it actually is, now im still very confused, i really want to understand
@bobleclair5665
@bobleclair5665 Жыл бұрын
6:11, this video say phytoplankton make 50 to 80 % of our planets oxygen, the other video says 1/5 to 1/4, that’s a big difference, some other videos say forests make 25 to 30% of our planets , it seems the planet regulates itself pretty well
@phillipking792
@phillipking792 3 жыл бұрын
still brilliant talk : partway to solving the CO2 politics : show true roll of algae : and its other names that hide the true nature and science of :
@rafvil4549
@rafvil4549 3 жыл бұрын
Plankton is a zooplankton (copepod), nice try tho
@danbell1618
@danbell1618 2 жыл бұрын
Are you saying he is wrong, please explain
@almostoogoodtobesue
@almostoogoodtobesue 2 жыл бұрын
@@danbell1618 In the first few minutes the speaker shows a picture of the character "Plankton" from Spongebob (a popular children's cartoon), and says that he is an example of a diatom. He's instead actually a rather obvious example of a type of zooplankton called a copepod. They have a singular eye and two large antennae (although they are highly diverse). Zooplankton are more animal-like plankton, whereas this talk is about plant-like plankton. In reality, the cartoon character looks nothing like a diatom.
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