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Forests
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UAV Application in Forestry
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UAV Application in Forestry

A special issue of Forests (ISSN 1999-4907). This special issue belongs to the section "Forest Inventory, Modeling and Remote Sensing".

Deadline for manuscript submissions: 30 June 2024 | Viewed by 1338

Special Issue Editors

Dr. Linyuan Li

E-Mail Website
Guest Editor
College of Forestry, Beijing Forestry University, Beijing 100083, China
Interests: near-surface, UAV, and satellite remote sensing of vegetation; low-cost techniques; advanced image processing; vegetation biophysical and biochemical variables; plant traits; BRDF measurement; modeling
Dr. Jie Shao

E-Mail Website
Guest Editor
Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Hong Kong 999077, China
Interests: forest inventory; UAV; LiDAR remote sensing; point cloud processing
Dr. Hao Yang

E-Mail Website
Guest Editor
1. National Engineering Research Center for Information Technology in Agriculture (NERCITA), Beijing 10089, China
2. Key Laboratory of Quantitative Remote Sensing in Agriculture of Ministry of Agriculture and Rural Affairs, Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
Interests: orchard monitoring; crop phenotyping; LiDAR; UAV
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

UAV remote sensing technology at small spatial scales has substantially enhanced the measurement efficiency for forest stands and even for individual trees, and verified its reliability at larger scales. This technology offers opportunities for testing fundamental theories and generating new insights into forest management, forest ecology, and tree phenotyping. Recent advances in UAV applications in forestry have emerged as part of a novel interdisciplinary domain encompassing tree physiology, radiative transfer modeling, 3D characterization, computer vision, and data science. This Special Issue invites contributions on UAV remote sensing of forest ecosystems using imaging technologies (RGB, multispectral/hyperspectral sensor, and thermal sensor), photogrammetry, and LiDAR observations. The topics include, but are not limited to:

  • Multi-modal and multi-source UAV data acquisition and processing;
  • New theories, models, and algorithms to estimate structural, biophysical, and biochemical variables (or plant functional traits);
  • Using the UAV observations to address or explore forest ecology problems (e.g., biodiversity and functional variability);
  • Synergetic use of UAV and satellite data to optimize forest inventory;
  • Investigations of uncertainties and errors during UAV observations and data processing, such as radiometric corrections and geometric corrections.

Dr. Linyuan Li
Dr. Jie Shao
Dr. Hao Yang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Forests is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • forest ecosystem
  • forest inventory
  • UAV remote sensing
  • physical-based modelling
  • machine learning

Published Papers (1 paper)

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Research

20 pages, 7321 KiB  
Article
Identification of Larch Caterpillar Infestation Severity Based on Unmanned Aerial Vehicle Multispectral and LiDAR Features
by Sa He-Ya, Xiaojun Huang, Debao Zhou, Junsheng Zhang, Gang Bao, Siqin Tong, Yuhai Bao, Dashzebeg Ganbat, Nanzad Tsagaantsooj, Dorjsuren Altanchimeg, Davaadorj Enkhnasan, Mungunkhuyag Ariunaa and Jiaze Guo
Forests 2024, 15(1), 191; https://doi.org/10.3390/f15010191 - 17 Jan 2024
Viewed by 1013
Abstract
Utilizing UAV remote sensing technology to acquire information on forest pests is a crucial technical method for determining the health of forest trees. Achieving efficient and precise pest identification has been a major research focus in this field. In this study, Dendrolimus superans (Butler) [...] Read more.
Utilizing UAV remote sensing technology to acquire information on forest pests is a crucial technical method for determining the health of forest trees. Achieving efficient and precise pest identification has been a major research focus in this field. In this study, Dendrolimus superans (Butler) was used as the research object to acquire UAV multispectral, LiDAR, and ground-measured data for extracting sensitive features using ANOVA and constructing a severity-recognizing model with the help of random forest (RF) and support vector machine (SVM) models. Sixteen sensitive feature sets (including multispectral vegetation indices and LiDAR features) were selected for training the recognizing model, of which the normalized differential greenness index (NDGI) and 25% height percentile were the most sensitive and could be used as important features for recognizing larch caterpillar infestations. The model results show that the highest accuracy is SVMVI+LIDAR (OA = 95.8%), followed by SVMVI, and the worst accuracy is RFLIDAR. For identifying healthy, mild, and severely infested canopies, the SVMVI+LIDAR model achieved 90%–100% for both PA and UA. The optimal model chosen to map the spatial distribution of severity at the single-plant scale in the experimental area demonstrated that the severity intensified with decreasing elevation, especially from 748–758 m. This study demonstrates a high-precision identification method of larch caterpillar infestation severity and provides an efficient and accurate data reference for intelligent forest management. Full article
(This article belongs to the Special Issue UAV Application in Forestry)
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