Jen Zhao, Levin Lab. Host Organization and Project Princeton University LevLab Stockholm Resilience Center Goal: Inform policy.

Finding the Fastest Fish:Exploring Patterns of Fish

Diversity

Jen Zhao, Levin Lab

Host Organization and ProjectPrinceton University

LevLab

Stockholm Resilience Center

Goal: Inform policy

Ecosystem Health and BiodiversityFishing and fish abundance

Plenty?

Tragedy of the commons

Bio-diversi

ty

Better Policie

s

Fisher men

Part I: Finding the Fastest Fish

Literature ReviewOver 90 species of fish

Movement ranges

Depth distribution

Migration

Part II: Exploring Patterns of Diversity1. Acquire independent dataset

2. Index of diversity

3. Quantify diversity

Trawl Data

http://www.gulfofmaine-census.org/

Shannon-Wiener IndexDiversity Index

Entropy

Results: Not Just Environmental

Results: Densities of Fish

Longitude

Latitude

Results: Outlier Analysis

Latitude

Longitude

Proposed Further StudyGLMFactor in more variables

Fishing pressureChlorophyllFishing diversity

ReflectionsConfidence

Future directions

Connect internship to eventual goal

Questions?