Marine & Freshwater Ecosystem

Mer som dette

Plastic Water Bottles Plastic water bottles are cheap and convenient products, but their production and waste have detrimental environmental costs.

Ved Sabeh Ayoun Abdul Rahman

Microorganisms in Marine and Freshwater Ecosystem

Ved sitifadhilah abdrahim

ENVIRONMENTAL PROBLEMS

Ved Marysabel GM

Global Issues

Ved Lisa Paramonova

M/O in 'liquid'

M/O in marine

M/O in benthic marine environment

benthos = seafloor + thermal vents

Aquatic viruses

Virioplankton

M/O in open ocean

Proteorhodopsin will supply ATP

Cyanobacteria for fixing nitrogen

Oligotrophic environment

salt marshes model

Winogradsky columns

estuaries & salt marshes

M/O ins freshwater

M/O in lakes

Temperature

Hypolimnion

Thermocline

Epilimnion

Deep lakes

pelagic zone

littoral zone

Nutrient status

eutrophic

oligotrophic

Stream & rivers

Ability process organic matter limited

Diurnal oxygen shifts

Eutrophic

non-point sources of pollution

point sources of pollution

Nutrients

out-stream sources (allochthonous)

in-stream production (autochthonous)

lentic

lotic

glaciers & permanent frozen lakes

chemosynthetic community

polar ice caps = Antartica, Artic

M/O in water

Nutrient cycling

phytoplankton (including picoplankton)

Light

photoic zone

Gases

N2,H2,CH4

CO2

O2