▽OCB: Ocean Carbon & Biogeochemistry : Home Page ●04/02 15:41 Microbial Iron limitation in the ocean’s twilight zoneHow deep in the ocean do microbes feel the effects of nutrient limitation? Microbial production in one third of the surface ocean is limited by the essential micronutrient iron (Fe). This limitation extends to at least the bottom of the euphotic zone, but what happens below that? In a study that recently published in Nature […]READ MORE »How