For full functionality of this site it is necessary to enable JavaScript. Here are the instructions how to enable JavaScript in your web browser. Andrew Spender Roberts Institution: CUNY Graduate Center|Lehman College Program: Biology Subprogram: Plant Sciences Alumni Information Graduated: 2011 Dissertation: PHYTOSOCIOLOGY, HISTORY AND DIVERSITY IN FARMER-MANAGED LANDSCAPES ON THE TONLE SAP FLOODPLAIN, CAMBODIA