Did you Know? Black sea is also the world’s largest meromictic basin
It is also the biggest meromictic basin in the world. A meromictic lake contains water strata that do not mix together. Regular holomictic lakes, on the other hand, have at least one period every year when the surface and deep waters mix. Although meromictic lakes may be found all over the world, they are extremely uncommon. The proportion of meromictic lakes to holomictic lakes is around one to 1,000.