जल निकाय में अकार्बनिक पोषक तत्वों के संवर्धन को किस रूप में जाना जाता है?

In which specific type of ecosystem are chemosynthetic food chains predominantly found?

What specific environmental conditions in a marine ecosystem are indicated by the occurrence of a Blue Tide?

What specific environmental phenomenon is defined as an algal bloom that discolors coastal waters?