Global abundance of planktonic heterotrophic protists in the deep ocean

Massimo C. Pernice^*, Irene Forn, Ana Gomes, Elena Lara, Laura Alonso-Sáez, Jesus M. Arrieta, Francisca Del Carmen Garcia, Victor Hernando-Morales, Roy Mackenzie, Mireia Mestre, Eva Sintes, Eva Teira, Joaquin Valencia, Marta M. Varela, Dolors Vaqué, Carlos M. Duarte, Josep M. Gasol, Ramon Massana