The Growth Rate and Biomass of Trees on the NCSSM Campus

1. The Growth Rate and Biomass of Trees on the NCSSM Campus Christine Ha, Annie Jin and Nelessa Lewis

2. Background Trees on NCSSM Campus vs Trees in Duke Forest What is DBH? Biomass? Trees in urban New York Hypothesis: The trees on our campus will have a greater DBH and Biomass because they have less competition for food and water and are regularly maintained.

3. Procedure Tree Maps and Deciding our Plot Measuring DBH and Tree Height Biomass formula

4. Data

5. Conclusions • The trees of NCSSM campus, which are closer to an urban setting, were significantly larger than the trees in Duke Forest • Because: • Less competition for light and water. • More space  Larger Crown  More Photosynthesis  Healthier Trunks • Regularly maintained by our grounds crew • Mulch • Pruning

6. Further Study: Coring Procedure What these cores mean

7. Acknowledgements Mr. Oishi-Researcher at Duke University Dr. Schmalbeck Mr. Bollinger Urbanization Effects on Tree Growth in the Vicinity of New York City by Jilian W. Gregg, Clive G. Jones and Todd E. Dawson Global Change in the Ecology of Cities by Nancy B. Grimm, Stanley H. Faeth and Nancy E. Golubiewski