Burrowing deeper into benthic nitrogen cycling: the impact of bioturbation on nitrogen fixation coupled to sulfate reduction

Abstract

Cluster I Cluster III Pseudomonas spp. (2) -0(07)-8cm (1) Methylomonas spp. (2)-1800-1cm (2) Cyanobacteria (mixed species, 8) -1800-1cm (8) Cyanobacteria (mixed species, 5) -1800-1cm (2) Desulfuromonas acetoxidans (1) 0(07)-8cm (8), 600-8cm (9), 1800-1cm (7) Pelobacter carbinolicus (1) -0(07)-8cm (2), 600-8cm (1) Clostridium spp. and Alkaliphilus metalliredigens -1800-1cm (1) No representative isolate -0(07)-8cm (3), 1800-1cm (12) Desulfovibrio spp. (2) -0(07)-8cm (23), 600-8cm (12), 1800-1cm (10) Chlorobium spp. (5) and Pelodictyon luteolum (1)-0(07)-8cm (2), 600-8cm (3), 1800-1cm (4) Opitutaceae (1) -0(07)-8cm (1), 600-8cm (4), 1800-1cm (1) Marine stromatolite eubacterium (1) -0(07)-8cm (2), 600-8cm (1) Syntrophobacter fumaroxidans (1) -600-8cm (1), 1800-1cm (1) Desulfonema limicola (1) -0(07)-8cm (1), 600-8cm (1), 1800-1cm (3) Desulfobacter curvatus (1) -0(07)-8cm (3), 600-8cm (4) No representative isolate -0(07)-8cm (2), 600-8cm (5) No representative isolate -0(07)-8cm (1), 600-8cm (3) No representative isolate -0(07)-8cm (2), 600-8cm (3) No representative isolate -0(07)-8cm (3) 12