Vectors and Pathways

A winding road Transportation Related Pathways Diagram (PDF | 178 KB)

Diagram of transportation related pathways including all the various pathways related to the transportation of people and goods, such as miltary travel and transportation of military vehichles. Created by Don MacLean USFWS


Fruit fly Living Industry Pathways (PDF | 186 KB)

Diagram of living industry pathways for the spread of invasive species; including all pathways associated with living organisms or their by-products. Created by Don MacLean, USFWS


A moose standing in water Diagram of Miscellaneous Pathways (PDF | 175 KB)

Pathways not covered under transportation or living industries, including biocontrol; other aquatic pathways; natural spread; and ecosystem disturbance. Created by Don MacLean USFWS


Bullfrog sitting next to a puddle of water Vectors and Pathways Resource Lists

USDA, National Invasive Species Information Center
Resources related to pathways and risk assessment