In order to gauge the level of destruction caused by the BP oil spill, researchers are taking help of an ecosystem’s most common indicator, the blue crab, so as to understand the amount of destruction caused and to be seen in the upcoming years.
One week ago, prior to pumping mud into the gushing oil well, scientists started locating specks of oil in crab larvae that were taken out from waters all across the Gulf coast.
In the previous week, the Government said that three quarters of the spilled oil had been cleared or had in a natural way dispersed from water.
However, the crab larvae discovery was quite an intimidating signal that crude had by now penetrated into the food web of the Gulf and its aftereffects would have to be borne for years to come.
Bob Thomas, a Biologist at Loyola University in New Orleans, said that what was happening was of the suggestion that the oil had reached a position where it could possibly start moving the food chain and not just keep hanging in the water.
Something might consume that larvae full of oil and then that animal will be predated by some other bigger animal.
Creatures that are of smaller size might consume less amount of oil so that they can survive. However, the ones at the top of the food chain, like dolphins and tuna, could take in lethal amounts of oil.