CLASSIFICATION OF MARINE ENVIRONMENTS 



Supro- 

 llttoral 



P E L A G I C 



Approx. depth 



O C E A N I C- 

 E p i p e I a g i c 





PELAGIC (Water) 



Neritic 



Oceanic 



Epipelagic 

 Mesopelagic 

 Bathypelagic 

 A byssop e logic 



BENTHIC (Bottom) 

 Supra-littoral 

 Littorol (Intertidal) 

 Sublittoral 



Inner 



Outer 

 Battiyal 

 Abyssal 

 Hadal 



200 



Me sopela g ic 



f///f/fff///[P] 



Note- Queries in brackets [Fj 

 indicate ttiat the limits, or 

 discrete character, of ttie 

 environment, are uncertan. 



/ Boundary indefinite 



B E N T H 



is 500 

 lOOO 



Bo t ttypel a g i c 



1500- 



2OO0 



Abyssopelagic 



(Hedgepeth. 1957) 



50 



100 

 150 

 200 



-300 

 -400 

 -500 



-1000 



-1500 



2000 



■3000 

 4000 

 5000 



24O0- 

 3000- 

 5500-- 10,000 



146 



