Transcript ZhaoJen sol 2014 sm

Jen Zhao,
Levin Lab
Host Organization and Project
 Princeton University
 LevLab
 Stockholm Resilience Center
 Goal: Inform policy
Ecosystem Health and Biodiversity
 Fishing and fish abundance
 Plenty?
 Tragedy of the commons
Fisher
men
Better
Policies
Biodiversity
Part I: Finding the Fastest Fish
Literature Review
 Over 90 species of fish
 Movement ranges
 Depth distribution
 Migration
Part II: Exploring Patterns of Diversity
 1. Acquire independent dataset
 2. Index of diversity
 3. Quantify diversity
Trawl Data
http://www.gulfofmaine-census.org/
Shannon-Wiener Index
 Diversity Index
 Entropy
Results: Not Just Environmental
Results: Densities of Fish
Latitude
Longitude
Results: Outlier Analysis
Latitude
Longitude
Proposed Further Study
 GLM
 Factor in more variables
 Fishing pressure
 Chlorophyll
 Fishing diversity
Reflections
 Confidence
 Future directions
 Connect internship to eventual goal
Questions?