Alarge stream of moving water that flows through the oceans is called

A large stream of moving water that flows through the oceans is called Tributary.

i didn’t understand your question but archipelagos are groups of island hope this

When a lake, river or other aquatic  system  becomes  eutrophic, it can have serious negative effects on other organisms like fish, birds and even people.if an algal bloom is so bad that it causes wide-spread death  in  the  water, the organisms that die will all sink to the bottom and start to decompose.