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← Back to Discoveries | iNaturalist 2026-02-08 synthesized

Invasive Paulownia tomentosa Colonization Along I-81 Corridor

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Summary

8.5/10

Princess tree invasions along I-81 have surged 340% since 2022, with highway construction zones as primary establishment sites.

Key Findings

1

340% observation increase since 2022

2

Highway disturbance zones as colonization corridors

3

Road cuts provide ideal seedbed conditions

description

Original Abstract

Research-grade observations document 340% increase in princess tree sightings along the I-81 corridor from Tennessee to Virginia since 2022. Highway construction disturbance zones show highest density, with seedlings establishing in road cut embankments.

Species Mentioned

eco Princess Tree
invasive-species urban-ecology disturbance-colonization

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