Marine pollution ppt
-
Upload
sri-harati-kamada -
Category
Education
-
view
3.908 -
download
3
Transcript of Marine pollution ppt
MARINE POLLUTIONA PRESENTATION BY
HARATISOWMYASRAVYAHANEESHA
ECE-B
WHAT IS A POLLUTION?
Pollution is the introduction of contaminants into an environment that causes instability ,disorder ,harm or discomfort to the ecosystem i.e. physical systems or living organisms.
WHAT IS MARINE POLLUTION??
CAUSES OF MARINE POLLUTIONMost sources of marine pollution are land based.
The pollution often comes from nonpoint sources such as agriculture runoff and wind blown debris.
Ways Of Pollutants InputThere are five main types of input of pollution
Direct discharge of waste into the seas,Runoff into the water due to rainShip PollutionAtmospheric Pollution Deep Sea Mining
DEEP SEA MINING
MAJOR IMPACTS OF MARINE POLLUTION.
EUTROPHICATIONTOXICITY
SEA CREATURES AFFECTED BY MARINE POLLUTIONMany sea creatures are being
affected by this marine pollution.Direct consumption of plastics
may sometimes causes death of creatures
Under water ,noise affecting mammals…
Marine dumping is one more major impact which pollutes sea.
Ship accidents and accidental oil spillages at the sea can be very damaging to marine environment.
MAJOR MARINE POLLUTANT-OIL
•ABOUT 70% OF OIL SPILLS ARE DISCHARING DIRECTLY IN SEA.
MAJOR MARINE POLLUTANTS
By these ultimate affects on sea many conventional acts are being introducing.
Convention for the Prevention of Marine Pollution by Dumping from Ships and Aircrafts (1972) THE OSLO CONVENTION.Convention for the prevention of pollution from ships (1973) MARPOLConvention for the protection of the sea environment the North-Atlantic (1992) THE OSPAR CONVENTION.
ITS NOT ENOUGH BY HAVINGSUCH ACTS ,ITS ALSO NECESSARY TO FOLLOW SOME PREVENTIONAL TECHNIQUES IN OUR HANDS.
If we throw a piece of trash into the ground . it could travel through the storm drains and at last into sea…
An Ounce Of Prevention Is Worth A Pound Of Cure