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37 Results Found

  • Article
  • Open Access
15 Citations
4,489 Views
23 Pages

14 June 2019

Research Highlights: Today’s approaches to modeling of forest stands are in most cases based on that the regression models and they are constructed as static sub-models describing individual stands variables. The disadvantages of this method; i...

  • Article
  • Open Access
1 Citations
1,695 Views
12 Pages

28 April 2024

This study aimed to develop simultaneous models with universal applicability for the estimation of the main factors of forest stands based on airborne LiDAR data and to provide a reference for standardizing the approach and evaluation indices of main...

  • Article
  • Open Access
6 Citations
2,459 Views
13 Pages

Natural and Artificial Occurrence, Structure, and Abundance of Juglans neotropica Diels in Southern Ecuador

  • Byron Palacios-Herrera,
  • Santiago Pereira-Lorenzo and
  • Darwin Pucha-Cofrep

30 September 2023

This study investigated the presence and characteristics of Juglans neotropica in three ecosystems in Southern Ecuador: Montane Evergreen Forest, Evergreen Seasonal Lower Montane Forest, and Semideciduous Foot Montane Forest. The main focus was the s...

  • Article
  • Open Access
3 Citations
2,434 Views
21 Pages

Thinning vs. Pruning: Impacts on Sap Flow Density and Water Use Efficiency in Young Populus tomentosa Plantations in Northern China

  • Yan Liu,
  • Yadong Liu,
  • Shuanglei Qi,
  • Ziying Fan,
  • Yadan Xue,
  • Qingxuan Tang,
  • Zhengyuan Liu,
  • Xiaomin Zheng,
  • Chuangye Wu and
  • Jie Duan
  • + 1 author

14 March 2024

Water is a vital resource for tree growth, and changes in plantation and canopy structure can affect stand transpiration (Ec), consequently influencing water use efficiency (WUE). Populus tomentosa is a fast-growing and productive timber species in C...

  • Article
  • Open Access
16 Citations
6,937 Views
26 Pages

16 February 2017

Quantitative criteria for assessing demographic sustainability of tree populations would be useful in forest conservation, as climate change and a growing complex of invasive pests are likely to drive forests outside their historic range of variabili...

  • Article
  • Open Access
1 Citations
3,579 Views
22 Pages

Reforestation Initiatives in the Lubumbashi Charcoal Production Basin (DR Congo): Plant Diversity Selection, Management Practices, and Ecosystems Structure

  • Dieu-donné N’tambwe Nghonda,
  • Héritier Khoji Muteya,
  • Gracia Kalenga Mupanda,
  • François Duse Dukuku,
  • Nathan Kasanda Mukendi,
  • Bienvenu Esoma Okothomas,
  • Médard Mpanda Mukenza,
  • Sylvestre Cabala Kaleba,
  • François Malaisse and
  • Yannick Useni Sikuzani
  • + 2 authors

14 February 2025

The sustainability of reforestation initiatives depends on the involvement of local communities, whose lack of ownership compromises efforts to combat deforestation in the Lubumbashi Charcoal Production Basin. This study assesses reforestation activi...

  • Article
  • Open Access
1 Citations
2,007 Views
12 Pages

15 February 2023

The structural diversity of old-growth forests is a fundamental element as regards ecosystem stability and functionality. The current study aims at exploring the texture diversity in the unique virgin Frakto forest of Greece through the determination...

  • Article
  • Open Access
14 Citations
3,825 Views
14 Pages

7 February 2021

Proper understanding of the diversity and natural structure of woody species and the impacts of human interventions are prerequisites for maintaining the remaining forests as well as restoration of deforested and degraded areas. This research was con...

  • Article
  • Open Access
320 Views
17 Pages

Modelling Growth and Yield Response to Thinning in Quercus robur L. Stands in NW Spain

  • Esteban Gómez-García,
  • María José Rozados Lorenzo and
  • Francisco Javier Silva-Pando

7 December 2025

Thinning is a key silvicultural practice for managing forests; however, its effects on stand growth and yield remain debated. This study evaluated the growth and yield responses to thinning in even-aged Quercus robur stands in Galicia (NW Spain) usin...

  • Article
  • Open Access
17 Citations
6,919 Views
26 Pages

3 June 2015

Managers of forested water supply catchments require efficient and accurate methods to quantify changes in forest water use due to changes in forest structure and density after disturbance. Using Light Detection and Ranging (LiDAR) data with as few...

  • Article
  • Open Access
1 Citations
2,738 Views
16 Pages

13 March 2023

The main objective of this study was to determine the heterogeneity of tropical mountain rain forests along a micro-altitudinal gradient scale, integrating species functional traits in the separation of communities. To achieve this, a forest area of...

  • Article
  • Open Access
29 Citations
7,128 Views
21 Pages

Assessing Biotic and Abiotic Effects on Biodiversity Index Using Machine Learning

  • Mahmoud Bayat,
  • Harold Burkhart,
  • Manouchehr Namiranian,
  • Seyedeh Kosar Hamidi,
  • Sahar Heidari and
  • Majid Hassani

10 April 2021

Forest ecosystems play multiple important roles in meeting the habitat needs of different organisms and providing a variety of services to humans. Biodiversity is one of the structural features in dynamic and complex forest ecosystems. One of the mos...

  • Article
  • Open Access
7 Citations
2,931 Views
9 Pages

26 June 2021

Insects, fungi, and diseases play an important role in forest stand development and subsequently, forest management decisions and treatments. As these disturbance agents commonly occur within and across landscapes, modeling has often been used to inf...

  • Article
  • Open Access
22 Citations
6,521 Views
13 Pages

A Dynamic System of Growth and Yield Equations for Pinus patula

  • Wenceslao Santiago-García,
  • Eloísa Pérez-López,
  • Gerónimo Quiñonez-Barraza,
  • Gerardo Rodríguez-Ortiz,
  • Elías Santiago-García,
  • Faustino Ruiz-Aquino and
  • Juan Carlos Tamarit-Urias

28 November 2017

Sustainable forest management needs tools that can predict how silvicultural treatments will affect cutting stands. Growth and yield systems are an example of these tools because they can represent periods of growth and yield of a stand in numerical...

  • Article
  • Open Access
27 Citations
4,954 Views
16 Pages

Does Thinning Intensity Affect Wood Quality? An Analysis of Calabrian Pine in Southern Italy Using a Non-Destructive Acoustic Method

  • Diego Russo,
  • Pasquale A. Marziliano,
  • Giorgio Macri,
  • Andrea R. Proto,
  • Giuseppe Zimbalatti and
  • Fabio Lombardi

2 April 2019

In the middle of XIX century, Calabrian pine was planted in southern Italy to increase the forest cover in mountainous areas. Many of these forest stands were never managed, since they were considered non-profitable for wood production. Therefore, in...

  • Feature Paper
  • Article
  • Open Access
23 Citations
7,652 Views
18 Pages

High-Density UAV-LiDAR in an Integrated Crop-Livestock-Forest System: Sampling Forest Inventory or Forest Inventory Based on Individual Tree Detection (ITD)

  • Ana Paula Dalla Corte,
  • Ernandes M. da Cunha Neto,
  • Franciel Eduardo Rex,
  • Deivison Souza,
  • Alexandre Behling,
  • Midhun Mohan,
  • Mateus Niroh Inoue Sanquetta,
  • Carlos Alberto Silva,
  • Carine Klauberg and
  • Eben North Broadbent
  • + 8 authors

16 February 2022

Lidar point clouds have been frequently used in forest inventories. The higher point density has provided better representation of trees in forest plantations. So we developed a new approach to fill this gap in the integrated crop-livestock-forest sy...

  • Article
  • Open Access
14 Citations
4,235 Views
14 Pages

Simulating Araucaria angustifolia (Bertol.) Kuntze Timber Stocks With Liocourt’s Law in a Natural Forest in Southern Brazil

  • Emanuel Arnoni Costa,
  • Veraldo Liesenberg,
  • André Felipe Hess,
  • César Augusto Guimarães Finger,
  • Paulo Renato Schneider,
  • Régis Villanova Longhi,
  • Cristine Tagliapietra Schons and
  • Geedre Adriano Borsoi

18 March 2020

This paper presents a simulation of the regulation of Araucaria angustifolia (Bertol.) Kuntze timber stocks using Liocourt’s law. Although this species is currently protected by law, recent government initiatives are being considered to propose susta...

  • Feature Paper
  • Article
  • Open Access
28 Citations
6,075 Views
20 Pages

Structural Changes in Boreal Forests Can Be Quantified Using Terrestrial Laser Scanning

  • Tuomas Yrttimaa,
  • Ville Luoma,
  • Ninni Saarinen,
  • Ville Kankare,
  • Samuli Junttila,
  • Markus Holopainen,
  • Juha Hyyppä and
  • Mikko Vastaranta

19 August 2020

Terrestrial laser scanning (TLS) has been adopted as a feasible technique to digitize trees and forest stands, providing accurate information on tree and forest structural attributes. However, there is limited understanding on how a variety of forest...

  • Article
  • Open Access
21 Citations
7,685 Views
23 Pages

17 February 2015

We evaluated the effectiveness of commercial thinning mainly from below (CT; 0, 26%, 32% and 40% merchantable basal area removals) in meeting wood production demands and developing structural heterogeneity in a balsam fir (Abies balsamea (L.) Mill)...

  • Article
  • Open Access
12 Citations
5,364 Views
27 Pages

New Technologies for Expedited Forest Inventory Using Smartphone Applications

  • André Sandim,
  • Mariana Amaro,
  • Maria Emilia Silva,
  • Jorge Cunha,
  • Susana Morais,
  • Alexandra Marques,
  • André Ferreira,
  • José Luis Lousada and
  • Teresa Fonseca

29 July 2023

The forest inventory plays a crucial role in forest management planning, and it is the first step in planning actions for forest production. However, conducting an inventory can be expensive and complex. Forest inventory applications on smartphones h...

  • Article
  • Open Access
6 Citations
2,883 Views
20 Pages

21 July 2022

The objectives of this study were to develop site index and variable-density yield models for Korean red pine (Pinus densiflora Siebold & Zucc.), Korean white pine (P. koraiensis S. & Z.), and Japanese larch (Larix kaempferi (Lamb.) Carri&egr...

  • Article
  • Open Access
47 Citations
5,142 Views
19 Pages

30 May 2019

In the context of uneven-aged mixed-species forest management, an individual-tree basal area increment model considering forest structural diversity was developed for oaks (Quercus spp.) using data collected from 11,860 observations in 845 sample plo...

  • Article
  • Open Access
14 Citations
4,027 Views
22 Pages

28 July 2021

The techniques for conducting forest inventories have been established over centuries of land management and conservation. In recent decades, however, compelling new tools and methodologies in remote sensing, computer vision, and data science have of...

  • Article
  • Open Access
4 Citations
3,603 Views
28 Pages

30 March 2020

Enrichment planting is often suggested as a means of enhancing the productivity of logged rainforest. However, little is known about the long-term survival and growth of these trees. In this study, we used historical data from enrichment planting tri...

  • Article
  • Open Access
1,881 Views
19 Pages

Coppice and Coppice-with-Standard Stands Systems: Implications for Forest Management and Biodiversity

  • Sajad Ghanbari,
  • Pedro Álvarez-Álvarez,
  • Ayeshe Esmaili,
  • Samira Sasanifar,
  • Seyed Mohmmad Moein Sadeghi,
  • Kiomars Sefidi and
  • Ivan Eastin

10 January 2025

Examining forest stand structures is crucial for effective forest management, as it provides essential insights into current conditions and informs future strategies. Coppice systems, a historic forest management practice with centuries of documented...

  • Article
  • Open Access
6 Citations
2,799 Views
14 Pages

Atlantic Forest Ecosystems: Are There Significant Differences When Compared at the Same Stage of Regeneration?

  • Adriano Bressane,
  • João Pedro da Cunha Pinto,
  • Julia Villalta da Silva,
  • Mirela Beatriz Silva,
  • Alexandre Siminski,
  • Líliam César de Castro Medeiros and
  • Rogério Galante Negri

18 April 2023

For the monitoring and assessment of Atlantic Forest ecosystems, key indicators of the regeneration stage are considered. However, the current classification of these stages by experts does not consider the possible differences among such ecosystems....

  • Article
  • Open Access
5 Citations
6,764 Views
9 Pages

17 November 2011

Changes in understory light levels following a partial overstory harvest with three retention levels, combined with midstory/understory removal of selected species were examined. Overstory retention levels were set at basal areas (ba) 16.1 (BA16), 11...

  • Article
  • Open Access
14 Citations
7,262 Views
20 Pages

Airborne Laser Scanning Based Forest Inventory: Comparison of Experimental Results for the Perm Region, Russia and Prior Results from Finland

  • Tuomo Kauranne,
  • Sergey Pyankov,
  • Virpi Junttila,
  • Alexander Kedrov,
  • Andrey Tarasov,
  • Anton Kuzmin,
  • Jussi Peuhkurinen,
  • Maria Villikka,
  • Ville-Matti Vartio and
  • Sanna Sirparanta

7 March 2017

Airborne laser scanning (ALS) based stand level forest inventory has been used in Finland and other Nordic countries for several years. In the Russian Federation, ALS is not extensively used for forest inventory purposes, despite a long history of re...

  • Article
  • Open Access
35 Citations
8,766 Views
20 Pages

28 October 2016

Accurate information on both the current stock and future growth and yield of forest resources is critical for sustainable forest management. We demonstrate a novel approach to utilizing airborne laser scanning (ALS)-derived forest stand attributes t...

  • Article
  • Open Access
7 Citations
3,343 Views
29 Pages

A Dynamic Stand Growth Model System for Loblolly Pine Responding to Mid-Rotation Treatments

  • Mauricio Zapata-Cuartas,
  • Bronson P. Bullock,
  • Cristian R. Montes and
  • Michael B. Kane

29 April 2021

Intensive loblolly pine (Pinus taeda L.) plantation management in the southeastern United States includes mid-rotation silvicultural practices (MRSP) like thinning, fertilization, competitive vegetation control, and their combinations. Consistent and...

  • Article
  • Open Access
2 Citations
2,433 Views
15 Pages

Woody Species Composition, Stand Structure and Regeneration Status of Londiani Forest in Kenya

  • Evalyne Kosgey Chepkoech,
  • Humphrey Agevi,
  • Henry Lung’ayia and
  • Harrison Mugatsia Tsingalia

3 April 2024

Tropical forests provide habitats for diverse flora and fauna, in addition to playing a crucial role in climate regulation. They are being recognized for their roles as nature-based solutions to many sustainable development challenges, as shown by in...

  • Article
  • Open Access
1,091 Views
23 Pages

A Whole-Stand Model for Estimating the Productivity of Uneven-Aged Temperate Pine-Oak Forests in Mexico

  • María Guadalupe Nava-Miranda,
  • Juan Gabriel Álvarez-González,
  • José Javier Corral-Rivas,
  • Daniel José Vega-Nieva,
  • Jaime Briseño-Reyes,
  • Jesús Aguirre-Gutiérrez and
  • Klaus von Gadow

10 April 2025

This study presents a model for estimating forest productivity based on a sample of 2048 permanent field plots covering a wide range of growing sites in Mexico. Our state-space approach assumes that the growth behavior of any stand over time can be e...

  • Article
  • Open Access
2 Citations
2,247 Views
20 Pages

Landsat Data Based Prediction of Loblolly Pine Plantation Attributes in Western Gulf Region, USA

  • Chongzhi Chen,
  • Ke Wang,
  • Luming Fang,
  • Jason Grogan,
  • Clinton Talmage and
  • Yuhui Weng

21 September 2022

The suitability of using Landsat sensor variables to predict key stand attributes, including stand average dominant/codominant tree height (HT), mean diameter at breast height (DBH), the number of trees per hectare (NT), basal area per hectare (BA),...

  • Article
  • Open Access
5 Citations
3,385 Views
18 Pages

17 April 2020

Cluster planting of shortleaf pine, along with various site preparation and release treatments, were tested to restore mixed shortleaf pine (Pinus echinata Mill.)–hardwood stands in areas where the shortleaf pine has diminished in recent years....

  • Article
  • Open Access
6 Citations
7,030 Views
17 Pages

Simulating Forest Dynamics of Lowland Rainforests in Eastern Madagascar

  • Amanda Armstrong,
  • Rico Fischer,
  • Andreas Huth,
  • Herman Shugart and
  • Temilola Fatoyinbo

18 April 2018

Ecological modeling and forecasting are essential tools for the understanding of complex vegetation dynamics. The parametric demands of some of these models are often lacking or scant for threatened ecosystems, particularly in diverse tropical ecosys...

  • Article
  • Open Access
1 Citations
3,394 Views
22 Pages

22 May 2020

Forest inventories based on field surveys can provide quantitative measures of regeneration such as density and stocking proportion. Understanding regeneration dynamics is a key element that supports silvicultural decision-making processes in sustain...

  • Article
  • Open Access
3 Citations
2,926 Views
19 Pages

Burn Severity and Postfire Salvage Logging Effects on Vegetation and Soil System in a Short-Term Period in Mediterranean Pine Forests

  • Esther Peña-Molina,
  • Daniel Moya,
  • Álvaro Fajardo-Cantos,
  • Fuensanta García-Orenes,
  • Jorge Mataix-Solera,
  • Victoria Arcenegui,
  • Manuel Esteban Lucas-Borja and
  • Jorge de las Heras

9 April 2024

Wildfires are a natural part of the dynamics of Mediterranean forest ecosystems. The fire patterns in the Mediterranean basin have been altered mainly due to changes in land use and climate change. In 2017, a wildfire in Yeste (Spain) burned 3200 hec...