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Rubbish decomposition rates

 
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administration
Site Admin


Joined: 24 Oct 2004
Posts: 47
Location: Nearwater

PostPosted: Tue Nov 30, 2004 2:37 pm    Post subject: Rubbish decomposition rates Reply with quote

Building a picture of decompostion rates of coastal rubbish (just left in air on seashore or in seawater drifting on or

within.

according to:http://www.deh.gov.au/minister/env/2004/mr10mar04.html
Styrofoam cup 50 years
Plastic bottle 450

years
Monofilament fishing line 600 years

Any other known common rubbish and times?

Stephen


Last edited by administration on Mon Dec 13, 2004 2:34 am; edited 1 time in total
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Abigail



Joined: 04 Dec 2004
Posts: 10
Location: Cornwall

PostPosted: Tue Dec 07, 2004 6:32 am    Post subject: Reply with quote

Seems to be plastics that are dominating the scene.... dont know if its because they are increasing in being dropped or if it is because they float

and so collect on wind swept beaches.

Interesting info was noticed on this website:
http://www.adoptabeach.org.uk/LitterFacts/introduction.htm
Between

spring 1999 to autumn 2001, Adopt-a-Beach volunteers collected 349,274 items of litter, weighing over 14 tonnes.
A total of 53.2% was plastic litter with 36.4% of

the total found attributed to beach visitors.
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administration
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Joined: 24 Oct 2004
Posts: 47
Location: Nearwater

PostPosted: Sun Dec 12, 2004 7:47 am    Post subject: Reply with quote

There is quite a lot of info around that brings the effects to light...
such as:
Turtles mistaking plastic carrier bags for jellyfish and ending up

choking or just swallowing non nutritional stuff.
Creatures becoming tangled in monofiliament line, with consequences of death or impairment of some kind.
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natalie
moderator


Joined: 24 Oct 2004
Posts: 37
Location: Nearwater

PostPosted: Sun Jan 09, 2005 1:20 am    Post subject: Reply with quote

I recall (on the news many years ago) that someone had invented or just realised that straw mats soak up oil spills.
He/She suggested that

they be made shipped to scene of a disaster (oil spill, obviously) and then they be thrown overboard then retreived.

The end result would be that the oil is

removed from the sea surface and the straw mats can be used for fuel.

Such a brilliant idea (in concept)..... never heard of them being used on a spill

though.

It would clean the polution up in quick time and also prevent the need for detergent to be pumped into the ocean.

Nat
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Abigail



Joined: 04 Dec 2004
Posts: 10
Location: Cornwall

PostPosted: Fri Jan 28, 2005 12:23 am    Post subject: Reply with quote

I remember that oil mat being put forward as an innovative idea. I was dissapointed it did not get its recognition.

Perhaps years on it has succeeded, but have never heard of it being used.

On these lines I can suggest detergents. I realise

these get used on infrequent occasions, but after they have cleaned up the oil, they still stay around as residue on the substrate or in the food chain, and so affect the

seashore for 'sometime'... but I dont know how long or indeed if it is worse than the oil being around if not used if thought about in a balanced way..
..just a

thought

Abi
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