Identification of the Optimal Season and Spectral Regions for Shrub Cover Estimation in Grasslands.

ABSTRACT: Woody plant encroachment (WPE), the expansion of native and non-native trees and shrubs into grasslands, is a less studied factor that leads to declines in grassland ecosystem health. With the increasing application of remote sensing in grassland monitoring and measuring, it is still difficult to detect WPE at its early stages when its spectral signals are not strong enough. Even at late stages, woody species have strong vegetation characteristics that are commonly categorized as healthy ecosystems. We focus on how shrub encroachment can be detected through remote sensing by looking at the biophysical and spectral properties of the WPE grassland ecosystem, investigating the appropriate season and wavelengths that identify shrub cover, testing the spectral separability of different shrub co

SUBMITTER: Soubry I 

PROVIDER: S-EPMC8124746 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature