This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: 1 Marine Food Webs I Outline Friday… 1. Some definitions 2. Zooplankton Groups 3. Simplifying Food Web Conceptualizations 4. Blue Planet DVD Wednesday… 1. Structure of Marine Food Webs • Size-Structured Food Webs • Trophic Pyramid • Trophic Transfer Efficiency a) exploitation efficiency b) gross production efficiency 2. Consequences of food chain length on fisheries production Definitions • Pelagic : the water column environment • Benthic: Bottom/Seaﬂoor • Plankton : unable to swim against ocean currents, but may move vertically in the water column – phytoplankton – zooplankton • Nekton : able to swim against ocean currents – e.g., fish, squid, sea turtles 2 • Copepods • Shrimp • Arrow Worms • Some Jelly Fish • Crabs • Barnacles • Oysters • Clams Holoplankton : Planktonic organisms that live their entire life in ﬂuid suspension. Meroplankton : Planktonic organisms that spend only part of their life in ﬂuid suspension Examples: Examples: Major Zooplankton Groups in Marine Food Webs Zooplankton Zooplankton 3...
View Full Document
This note was uploaded on 09/28/2008 for the course EAS 1540 taught by Professor Monger during the Fall '07 term at Cornell.
- Fall '07