Plankton

Melvyn Bragg and guests discuss the tiny drifting organisms in the oceans that sustain the food chain for all the lifeforms in the water and so for the billions of people who, in turn, depend on the seas for their diet. In Earth’s development, the plant-like ones among them, the phytoplankton, produced so much oxygen through photosynthesis that around half the oxygen we breathe today originated there. And each day as the sun rises, the animal ones, the zooplankton, sink to the depths of the seas to avoid predators in such density that they appear on ship sonars like a new seabed, only to rise again at night in the largest migration of life on this planet.

→ Play on BBC Sounds website

Guests

• Carol Robinson No other episodes
  Professor of Marine Sciences at the University of East Anglia
• Abigail McQuatters-Gollop No other episodes
  Associate Professor of Marine Conservation at the University of Plymouth
• Christopher Lowe No other episodes
  Lecturer in Marine Biology at Swansea University

Reading list

• Spineless: The Science of Jellyfish and the Art of Growing a Backbone
  Juli Berwald (Riverhead Books, 2018) Google Books →
• The Open Sea: The World of Plankton
  Sir Alister Hardy (Collins New Naturalist Library, 2009) Google Books →
• Ocean Drifters: A Secret World Beneath the Waves
  Richard Kirby (Studio Cactus Ltd, 2010) Google Books →
• Mapping the Deep: The Extraordinary Story of Ocean Science
  Robert Kunzig (Sort Of Books, 2000) Google Books →
• Plankton: Wonders of the Drifting World
  Christian Sardet (University of Chicago Press, 2015) Google Books →
• The Brilliant Abyss: True Tales of Exploring the Deep Sea, Discovering Hidden Life and Selling the Seabed
  Helen Scales (Bloomsbury Sigma, 2022) Google Books →

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Programme ID: m001r1t5

Episode page: bbc.co.uk/programmes/m001r1t5

Auto-category: 570 (Biology)