Simons Collaboration on Ocean Processes and Ecology – Gradients

The transition zones between the North Pacific Subtropical Gyre and neighboring ecosystems, notably the North Pacific Subpolar Gyre, exhibit steep changes in environmental conditions (gradients) associated with dramatic changes in the microbial ecosystem. These zones provide suitable venues to understand mechanisms that structure microbial communities and to test ecological theory of how resource supply ratios drive productivity, export, particle size distributions, and elemental stoichiometry. A multidisciplinary team led by Ginger Armbrust is testing three interconnected hypotheses via interrogation of model simulations and direct observations of the transition zone between marine ecosystems.

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