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Inspire Session

Session: : Remote Sensing of Plant Biodiversity, Physiological Stress and Ecosystem Function in a Rapidly Changing World

INS 16-8 - Seeing sick trees from above: Opportunities and challenges in forest mortality and health assessments from remote sensing

Wednesday, August 9, 2023

3:30 PM – 5:00 PM PDT

Location: 254

Presenting Author(s)

DJ

Daniel J. Johnson, PhD

Assistant Professor
University of Florida, Florida, United States

Co-author(s)

SM

Sergio Marconi, PhD

Post Doctoral Researcher
University of Florida, United States
LM

Lukas Magee, MS

PhD candidate
University of Florida, United States
KA

Kristina Anderson-Teixeira, PhD

Staff Scientist
Smithsonian’s National Zoo and Conservation Biology Institute & Smithsonian Tropical Research Institute, United States
EB

Eben Broadbent, PhD

Associate Professor
University of Florida, United States
JL

James A. Lutz, PhD

Professor
Department of Wildland Resources, Utah State University, United States
CS

Carlos A. Silva, PhD

Assistant Professor
University of Florida, Florida, United States

Early detection of tree mortality events and decline through remotely sensed (RS) products allows for biodiversity conservation and maximizing carbon storage. Currently, observations are coarse in spatiotemporal scales for determining causes of mortality. Our objective is to address this challenge and build scalable models of tree mortality with underlying factors associated with tree death. We censused five ForestGEO plots and 60,000 trees and used NEON AOP and UAV RS at all plots. We found the algorithm is good at detecting tree mortality from multitemporal RS. We explore the efficacy of hyperspectral data in detecting tree health and causes of mortality.