A protocol for canopy cover monitoring on forest restoration projects using low-cost drones

被引：3

作者：

Albuquerque, Rafael Walter ^{[1
]}

Matsumoto, Marcelo Hiromiti ^{[2
]}

Calmon, Miguel ^{[2
]}

Ferreira, Manuel Eduardo ^{[3
]}

Mascia Vieira, Daniel Luis ^{[4
]}

Grohmann, Carlos Henrique ^{[1
]}

机构：

[1] Univ Sao Paulo, Inst Energy & Environm, Spatial Anal & Modelling Lab SPAMLab, Prof Luciano Gualberto Ave 1289, BR-05508010 Sao Paulo, SP, Brazil

[2] World Resources Inst WRI, R Claudio Soares 72-1510, BR-05422030 Sao Paulo, SP, Brazil

[3] Univ Fed Goias UFG, Inst Estudos Socioambientais IESA, Lab Proc Imagens & Geoproc LAPIG Pro Vant, Campus II,Postal 131, BR-74001970 Goiania, Go, Brazil

[4] Embrapa Recursos Genet & Biotecnol, BR-70770917 Brasilia, DF, Brazil

来源：

OPEN GEOSCIENCES | 2022年 / 14卷 / 01期

关键词：

remotely piloted aircraft; tree cover; forest restoration; protocol; unmanned aerial vehicles; ACCURACY; UAV; LIDAR; BIODIVERSITY; HEIGHT;

D O I：

10.1515/geo-2022-0406

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Remotely piloted aircrafts (RPAs) are becoming well-known for monitoring forest restoration (FR). Canopy cover percentage on a restoration site is a major indicator for the early phases of FR. We present a protocol to evaluate canopy cover using low-cost RPA and a friendly computational environment. We tested the protocol in six FR projects in the Brazilian Atlantic Forest. After processing the images automatically to generate the digital surface model and the digital terrain model, the canopy cover is measured in QGIS by considering height thresholds in the canopy height model. The results had F1 values higher than 0.9, which confirms a robust methodology that does not require specific computer science or remote sensing skills. Thus, low-cost RPA proved to be accurate and user-friendly in measuring the canopy cover, which improves monitoring during most FR stages. Such finding plays an important role in FR policies and future works must study a user-friendly protocol for measuring tree height via low-cost drones.

引用

页码：921 / 929

页数：9

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