I agree, but must point out there are boundary layers where the cold water and warmer water does not mix, so nutrients from the surface layers do not fall to the sea floor to nourish the lifeforms lower down ...
Agreed, but at a point basic osmosis will occur when the higher density fluid will permeate across to the lower density fluid. As such while there is stratification in the column, the boundary layer will only exist in specific patches of the ocean and these are inevitably in the more remote areas of hte ocean.

The Atlantic has the highest stratification of density layers, but it is also one of the most populated.

I fully agree, un-natural changes in ocean denisties and salinity levels will cause 'dead spots' etc, but the oceans are also some of the most stable environments and their tendancy to always remain at that stable state is quite remarkable.

I am not a marine biologist or environmental scientist, I have kept many marine tanks and have read about maintaining water quality - I am very very far from expert and the oceans are a magnificent and bewildering place.....humns need to respect them for sure - hence why we have not helped, but also we cannot stop the planets natural tendancy to oscillate between the extremes
 
Setting up a new sub section in a forum is a simple, easy, quick job. So much so a monkey could do it, even a retired one :rolleyes:;)
 
@Tigger Eeyore & Roo Morning Ben's human ;) was just reading the , interloping, ejoke thread , where the owner said he's had various Land Rovers over 20yrs , with no issues and, I thought that can't be true, even our resident, big, L405 is sitting in the garage.
Which led me to think, "have you got it back yet?"
 

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