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Ch. 4 & 5 Basics of Marine Ecology
Mar. Biology Ch 4 and 5
21
Biology
Undergraduate 2
01/30/2018

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Cards

Term
Zones
(2)
Definition
Pelagic zones
Benthic zones
Term
Pelagic Zones
Definition
In water column
Term
Benthic Zones
Definition
On or within the substrate (sand, mud, rocks)
Term
Zonation within Pelagic Zones
(2)
Definition
Neritic
Oceanic
Term
Neritic
Definition
Water near shore
Term
Oceanic
Definition
Open Ocean
Term
Pelagic Zones
Definition
Epipelagic (Upper 200 m, neritic)
Mesopelagic (1,000 m)
Bathypelagic (4,000 m)
Abyssopelagic (6,000 m)
Hadopelagic
Term
Epipelagic
Definition
Photic, mixed, warm top pelagic layer
Term
Zonation Within Benthic Zones
Definition
Subtidal (neritic)
Bathyal (200 m - 4,000 m)
Abyssal (6,000 m)
Hadal
Term
Subtidal
(2)
Definition
Submerged continental shelf
Shallow coastal
Term
Abyssal
Definition
Down into trenches
Term
Look at lifestyles based on...?
(2)
Definition
Where organisms are found (pelagic/benthic)
How the organisms interact with the physical environment (with/against currents) (on/within substrate)
Term
Weak Swimmers
(2)
Definition
With currents
Plankton
Term
Strong Swimmers
(2)
Definition
Against currents
Nekton
Term
Benthic Zone Live On/In Substrate
(2)
Definition
Epifaunal (on)
Infaunal (within)
Term
Live at Air/Sea Interface
(2)
Definition
Movement by wind/waves
Neuston
Term
Ecological Energy Transfer
(2)
Definition
Huge #'s or large biomass of producers
Since transfer efficiency for each exchange is only about 10% (10,000,000 to 1,000,000 to 100,000)
Term
Trophic Interactions
(2)
Definition
Oceanic Regions (open ocean)
Neritic Regions (coastal)
Term
Oceanic Regions
(4)
Definition
Many interactions within the plankton
Complex
Many trophic levels
Energy transfer efficiency slower
Term
Coastal Regions
(2)
Definition
Fewer trophic levels
Energy transfer more efficient
Term
Antarctica
(4)
Definition
Short pelagic food web
Fairly unique for pelagic community
High nutrients
Central role of krill
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