Update README.md

Author: jaseeverett

README.md

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 # Model code for Zooplankton Model of Size Spectrum (ZooMSS v1)
-Published in Heneghan et al. 2016 (pdf attached)  
-https://doi.org/10.3389/fmars.2016.00201
+
+This repo holds the code for Zooplankton Model of Size Spectrum (ZooMSS v1) as published in Heneghan et al. 2016 (pdf attached).   
+
+The size-spectrum model consists of a size-spectrum comprised of three communities: phytoplankton, zooplankton, and fish. The phytoplankton component covers the smallest size classes and is held constant as a background resource spectrum for zooplankton. Size-dependent processes of growth and mortality drive the zooplankton and fish components.  
+
+Heneghan RF, Everett JD, Blanchard JL and Richardson AJ (2016) Zooplankton Are Not Fish: Improving Zooplankton Realism in Size-Spectrum Models Mediates Energy Transfer in Food Webs. *Front. Mar. Sci.* **3**:201. doi: 10.3389/fmars.2016.00201
+https://doi.org/10.3389/fmars.2016.00201  
 
 ## SCRIPTS 
 ZooMSS_Shell.R: You run the model from this script.