added ariel profile

Author: eastonwhite

_members/ariel-greiner.md

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+---
+name: Ariel Greiner
+image: images/headshots/ariel-greiner.png
+role: postdoc
+group: current
+description: Postdoctoral Scholar
+aliases:
+  - A. Greiner
+links:
+  email: ariel.greiner@unh.edu
+---
+
+Ariel uses mathematical modelling to study the dynamics of ecosystems to predict mechanistic relationships among ecosystem processes and then use that knowledge to inform management policies. Ariel aims to work with local stakeholders to develop and parameterize mathematical models to answer pertinent questions about local ecosystems that may inform management policy and design.