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Forests, Volume 12, Issue 1

2021 January - 108 articles

Cover Story: The image shows tree windthrow and stem break from the Lake Lavieille tornado, which occurred on June 10, 2020, in the Algonquin Provincial Park in Ontario. This was rated as an EF1 tornado, with estimated maximum wind speeds of 145 km/h, a path length of 11.4 km, and a maximum path width of 460 m. The raw images were taken from an aircraft, stitched into an orthomosaic map and analyzed by the Northern Tornadoes Project (https://www.uwo.ca/ntp/). This was one of 10 tornadoes that occurred across Ontario on that day. View this paper
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Articles (108)

  • Communication
  • Open Access
14 Citations
4,548 Views
15 Pages

19 January 2021

The introduction of the Asian gypsy moth into novel environments continues with frequent interceptions in North America. There is a concern that these subspecies will pose a greater threat to the forests and urban environments of North America than t...

  • Commentary
  • Open Access
6 Citations
3,678 Views
7 Pages

Management of Multiple Ecosystem Services under Climate Change, Bioeconomy and Participation

  • Emin Zeki Baskent,
  • José Guilherme Borges,
  • Harald Vacik,
  • Keith M. Reynolds and
  • Luiz Carlos E. Rodriguez

19 January 2021

The Special Issue “Decision Support to Address Multiple Ecosystem Services in Forest Management Planning” includes nine research papers, two review papers, and a white paper presenting highlights of focused research initiatives. The paper...

  • Article
  • Open Access
6 Citations
3,998 Views
18 Pages

19 January 2021

With state institutions playing a determinant role and the state owning 86% of the forestland, the forest sector in the Republic of Moldova still strives to adapt to post-communist socio-economic realities. This paper evaluates the performance of for...

  • Article
  • Open Access
23 Citations
7,016 Views
15 Pages

Dynamics of Carbon Accumulation in Tropical Dry Forests under Climate Change Extremes

  • Sofia Calvo-Rodriguez,
  • G. Arturo Sánchez-Azofeifa,
  • Sandra M. Durán,
  • Mario Marcos Do Espírito-Santo and
  • Yule Roberta Ferreira Nunes

19 January 2021

We analyze here how much carbon is being accumulated annually by secondary tropical dry forests (TDFs) and how structure, composition, time since abandonment, and climate can influence the dynamics of forest carbon accumulation. The study was carried...

  • Article
  • Open Access
12 Citations
4,195 Views
25 Pages

Age-Dependent Changes in Soil Respiration and Associated Parameters in Siberian Permafrost Larch Stands Affected by Wildfire

  • Oxana V. Masyagina,
  • Svetlana Y. Evgrafova,
  • Oleg V. Menyailo,
  • Shigeta Mori,
  • Takayoshi Koike and
  • Stanislav G. Prokushkin

19 January 2021

The observed high spatial variation in soil respiration (SR) and associated parameters emphasized the importance of SR heterogeneity at high latitudes and the involvement of many factors in its regulation, especially within fire-affected areas. The p...

  • Article
  • Open Access
16 Citations
4,999 Views
15 Pages

19 January 2021

Forest soil biodiversity, which drives natural ecosystem multifunctionality, can be altered by incorrect forestry management practices. Pinus laricio is the most representative and widespread conifer species in Calabria, South Italy, and appropriate...

  • Article
  • Open Access
6 Citations
3,618 Views
23 Pages

18 January 2021

Research Highlights: Differentiation of Scots pine forests of the class Vaccinio-Piceetea in Poland has been the subject of numerous studies, including revisions. Despite that, the area of southwestern Poland was hitherto practically unexplored in th...

  • Perspective
  • Open Access
20 Citations
7,126 Views
12 Pages

The Importance of High–Quality Data for REDD+ Monitoring and Reporting

  • Marieke Sandker,
  • Oswaldo Carrillo,
  • Chivin Leng,
  • Donna Lee,
  • Rémi d’Annunzio and
  • Julian Fox

18 January 2021

This article discusses the importance of quality deforestation area estimates for reliable and credible REDD+ monitoring and reporting. It discusses how countries can make use of global spatial tree cover change assessments, but how considerable addi...

  • Article
  • Open Access
24 Citations
3,675 Views
13 Pages

Transgenerational Induction of Resistance to Phytophthora cinnamomi in Holm Oak

  • María Vivas,
  • Jerónimo Hernández,
  • Tamara Corcobado,
  • Elena Cubera and
  • Alejandro Solla

18 January 2021

The maternal environment of a tree species can influence the development and resistance of its offspring. Transgenerational induction of resistance is well known in plants but its occurrence in forest tree species has been less reported. Quercus ilex...

  • Review
  • Open Access
70 Citations
7,876 Views
13 Pages

China’s Key Forestry Ecological Development Programs: Implementation, Environmental Impact and Challenges

  • Hui Wang,
  • Mengyu He,
  • Nan Ran,
  • Dong Xie,
  • Qiang Wang,
  • Mingjun Teng and
  • Pengcheng Wang

18 January 2021

Forest ecosystems are in serious trouble globally, largely due to the over-exploitation. To alleviate environmental problems caused by deforestation, China has undertaken a series of key forestry ecological development programs, including the Natural...

  • Article
  • Open Access
13 Citations
3,226 Views
9 Pages

18 January 2021

The flexible modification of decorative veneer by plastic film is an effective method to broaden its applications. In order to understand the effect of initial veneer moisture content on the performance of plastic film reinforced decorative veneer, F...

  • Article
  • Open Access
4 Citations
3,142 Views
24 Pages

17 January 2021

(1) Background: Early research in natural forests on decennia implanted conviction concerning the patchy patterns of their structural heterogeneity. Due to the variety of methodological approaches applied, verification of this fundamental assumption...

  • Article
  • Open Access
5 Citations
3,174 Views
14 Pages

Short-Term Dynamics of Vegetation Diversity and Aboveground Biomass of Picea abies (L.) H. Karst. Forests after Heavy Windstorm Disturbance

  • František Máliš,
  • Bohdan Konôpka,
  • Vladimír Šebeň,
  • Jozef Pajtík and
  • Katarína Merganičová

17 January 2021

Although forest disturbances have become more frequent and severe due to ongoing climate change, our understanding of post-disturbance development of vegetation and tree–herb layer interactions remains limited. An extreme windstorm, which occur...

  • Article
  • Open Access
2 Citations
3,650 Views
14 Pages

16 January 2021

In eastern Canada, alternation of wildfire regime due to fire suppression creates alternate vegetation states converting black spruce forest to heath and shrub savannah (SS). We compared the taxonomic diversity (TD) and functional diversity (FD) of p...

  • Article
  • Open Access
2 Citations
3,423 Views
13 Pages

16 January 2021

Traditional site index curves are frequently produced for shade-intolerant species but are scarce for shade-tolerant species. Red spruce (Picea rubens Sarg.) can be found in three distinct geographic regions (northern, central, and southern) within t...

  • Article
  • Open Access
8 Citations
3,468 Views
27 Pages

Characterizing Growing Season Length of Subtropical Coniferous Forests with a Phenological Model

  • Yuan Gong,
  • Christina L. Staudhammer,
  • Susanne Wiesner,
  • Gregory Starr and
  • Yinlong Zhang

16 January 2021

Understanding plant phenological change is of great concern in the context of global climate change. Phenological models can aid in understanding and predicting growing season changes and can be parameterized with gross primary production (GPP) estim...

  • Article
  • Open Access
19 Citations
3,730 Views
12 Pages

The Influence of Thickness on the Tensile Strength of Finnish Birch Veneers under Varying Load Angles

  • Maximilian Pramreiter,
  • Alexander Stadlmann,
  • Christian Huber,
  • Johannes Konnerth,
  • Peter Halbauer,
  • Georg Baumann and
  • Ulrich Müller

15 January 2021

The development of high-performance, veneer-based wood composites is a topic of increasing importance due to the high design flexibility and the comparable mechanical performance to solid wood. Part of this improved mechanical performance can be cont...

  • Article
  • Open Access
14 Citations
4,076 Views
16 Pages

The Strong and the Stronger: The Effects of Increasing Ozone and Nitrogen Dioxide Concentrations in Pollen of Different Forest Species

  • Sónia Pereira,
  • Maria Fernández-González,
  • Alexandra Guedes,
  • Ilda Abreu and
  • Helena Ribeiro

15 January 2021

The knowledge of pollen sensitivity and tolerance to stress factors such as air pollution is important for forest sustainability, ensuring the most efficient production with the highest benefits and lowest resource losses. This study intended to eval...

  • Article
  • Open Access
22 Citations
5,433 Views
21 Pages

Assessment of SITE for CO2 and Energy Fluxes Simulations in a Seasonally Dry Tropical Forest (Caatinga Ecosystem)

  • Keila R. Mendes,
  • Suany Campos,
  • Pedro R. Mutti,
  • Rosaria R. Ferreira,
  • Tarsila M. Ramos,
  • Thiago V. Marques,
  • Jean S. dos Reis,
  • Mariana M. de Lima Vieira,
  • Any Caroline N. Silva and
  • Cláudio M. Santos e Silva
  • + 11 authors

15 January 2021

Although seasonally dry tropical forests are considered invaluable to a greater understanding of global carbon fluxes, they remain as one of the ecosystems with the fewest observations. In this context, ecological and ecosystem models can be used as...

  • Article
  • Open Access
12 Citations
3,219 Views
13 Pages

15 January 2021

The change of litter input can affect soil respiration (Rs) by influencing the availability of soil organic carbon and nutrients, regulating soil microenvironments, thus resulting in a profound influence on soil carbon cycle of the forest ecosystem....

  • Article
  • Open Access
17 Citations
8,015 Views
26 Pages

Wood Products for Cultural Uses: Sustaining Native Resilience and Vital Lifeways in Southeast Alaska, USA

  • Adelaide Johnson,
  • Audrey E. Clavijo,
  • Glenn Hamar,
  • Deborah-Aanutein Head,
  • Andrew Thoms,
  • Wayne Price,
  • Arianna Lapke,
  • Justin Crotteau,
  • Lee K. Cerveny and
  • Sienna Reid
  • + 3 authors

15 January 2021

Ongoing revitalization of the >5000-year-old tradition of using trees for vital culture and heritage activities including carving and weaving affirms Alaska Native resilience. However, support for these sustained cultural practices is complicated...

  • Review
  • Open Access
1 Citations
2,641 Views
9 Pages

15 January 2021

This review primarily describes nondestructive evaluation (NDE) work at Mississippi State University during the 2005–2020 time interval. Overall, NDE is becoming increasingly important as a means of maximizing and optimizing the value (economic...

  • Article
  • Open Access
8 Citations
3,333 Views
16 Pages

Relationship between Soil Fungi and Seedling Density in the Vicinity of Adult Conspecifics in an Arid Desert Forest

  • Yanxin Long,
  • Xiaodong Yang,
  • Yuee Cao,
  • Guanghui Lv,
  • Yan Li,
  • Yingji Pan,
  • Kaihong Yan and
  • Yanju Liu

15 January 2021

Research Highlights: 1. Soil fungi have a higher influence on seedling density compared to soil environmental factors; 2. Host-specific pathogens and beneficial fungi affect seeding density via different influencing mechanisms. Background and Objecti...

  • Article
  • Open Access
8 Citations
3,020 Views
16 Pages

Norway Spruce Seedlings from an Eastern Baltic Provenance Show Tolerance to Simulated Drought

  • Roberts Matisons,
  • Oskars Krišāns,
  • Āris Jansons,
  • Toms Kondratovičs,
  • Didzis Elferts and
  • Gederts Ievinsh

14 January 2021

In Northern Europe, an increase in heterogeneity of summer precipitation regime will subject forests to water deficit and drought. This is particularly topical for Norway spruce (Picea abies Karst.), which is a drought sensitive, yet economically imp...

  • Article
  • Open Access
7 Citations
3,306 Views
28 Pages

14 January 2021

Forest stand volume is one of the key forest structural attributes in estimating and forecasting ecosystem productivity and carbon stock. However, studies on growth modeling and environmental influences on stand volume are still rare to date, especia...

  • Article
  • Open Access
8 Citations
3,162 Views
17 Pages

Does Juvenile Stand Management Matter? Regional Scenarios of the Long-Term Effects on Wood Production

  • Soili Haikarainen,
  • Saija Huuskonen,
  • Anssi Ahtikoski,
  • Mika Lehtonen,
  • Hannu Salminen,
  • Jouni Siipilehto,
  • Kari T. Korhonen,
  • Jari Hynynen and
  • Johanna Routa

14 January 2021

We analysed the regional level effects of juvenile stand management (early cleaning and precommercial thinning), shortly termed tending on wood production and the profitability of forest management. Altogether ca. 0.4 million hectares of juvenile sta...

  • Article
  • Open Access
2 Citations
3,037 Views
19 Pages

14 January 2021

Important sources of information in the field of nature protection are red lists, which define the degree of threat to individual species. In practice, an assessment of the quality of the habitats in which a species occurs is used to a very limited e...

  • Article
  • Open Access
3,510 Views
15 Pages

13 January 2021

The forest litter and underlying mineral topsoil are typically sampled and analyzed separately although they are in a dynamic balance, which ensures macro- and microelement cycling in the forest ecosystem, including the flux and accumulation of xenob...

  • Communication
  • Open Access
4 Citations
4,515 Views
13 Pages

Non-Native Earthworms Invade Forest Soils in Northern Maine, USA

  • Joshua J. Puhlick,
  • Ivan J. Fernandez and
  • Jay W. Wason

13 January 2021

Non-native earthworms can cause abrupt changes in forest ecosystems by altering soil properties and depleting or redistributing soil carbon (C) stocks. The forests of Northern Maine are often perceived as having winters that are too harsh to support...

  • Article
  • Open Access
16 Citations
3,849 Views
13 Pages

Plasticity of Leaf Traits of Juglans regia L. f. luodianense Liu et Xu Seedlings Under Different Light Conditions in Karst Habitats

  • Deng Wang,
  • XiaoLong Huang,
  • JingZhong Chen,
  • LiXia Li,
  • Jing Cheng,
  • Shu Wang and
  • JiMing Liu

13 January 2021

This study examined the effects of light intensity on the plasticity of the leaves of Juglans regia f. luodianense seedlings in karst habitat and how they respond to changes in light intensity. The light intensity of 1-year-old seedlings of J. regia...

  • Article
  • Open Access
4 Citations
3,386 Views
16 Pages

12 January 2021

This paper discusses green infrastructure, which can be considered a useful tool in the process of ensuring the sustainable development of rural structures in the polish Carpathian region. It allows for achieving a better quality of the environment o...

  • Article
  • Open Access
16 Citations
3,913 Views
17 Pages

Spatial and Temporal Changes in Vegetation in the Ruoergai Region, China

  • Yahui Guo,
  • Jing Zeng,
  • Wenxiang Wu,
  • Shunqiang Hu,
  • Guangxu Liu,
  • Linsheng Wu and
  • Christopher Robin Bryant

11 January 2021

Timely monitoring of the changes in coverage and growth conditions of vegetation (forest, grass) is very important for preserving the regional and global ecological environment. Vegetation information is mainly reflected by its spectral characteristi...

  • Article
  • Open Access
15 Citations
4,192 Views
21 Pages

Reducing the Uncertainty of Radiata Pine Site Index Maps Using an Spatial Ensemble of Machine Learning Models

  • Gonzalo Gavilán-Acuña,
  • Guillermo Federico Olmedo,
  • Pablo Mena-Quijada,
  • Mario Guevara,
  • Beatriz Barría-Knopf and
  • Michael S. Watt

11 January 2021

Site Index has been widely used as an age normalised metric in order to account for variation in forest height at a range of spatial scales. Although previous research has used a range of modelling methods to describe the regional variation in Site I...

  • Article
  • Open Access
16 Citations
3,921 Views
13 Pages

Extraction Methods and Their Influence on Yield When Extracting Thermo-Vacuum-Modified Chestnut Wood

  • Maurizio D’Auria,
  • Marisabel Mecca,
  • Maria Roberta Bruno and
  • Luigi Todaro

10 January 2021

Improvements in the yield and solubility of chestnut wood extractives, by using different extraction methods and molybdenum catalysts as support, have rarely been reported in literature. Many studies focus on the different parts of trees, except for...

  • Article
  • Open Access
6 Citations
4,097 Views
16 Pages

Reforestation or Genetic Disturbance: A Case Study of Pinus thunbergii in the Iki-no-Matsubara Coastal Forest (Japan)

  • Aziz Akbar Mukasyaf,
  • Koji Matsunaga,
  • Miho Tamura,
  • Taiichi Iki,
  • Atsushi Watanabe and
  • Masakazu G. Iwaizumi

10 January 2021

In the twentieth century, a substantial decline in Pinus thunbergii populations in Japan occurred due to the outbreak of pine wood nematode (PWN), Burshaphelencus xylophilus. A PWN-P. thunbergii resistant trees-breeding project was developed in the 1...

  • Communication
  • Open Access
2 Citations
3,745 Views
11 Pages

10 January 2021

In order to secure a supply of forest biomass, as well as promote further utilization following the completion of the Feed-in-Tariff Scheme for Renewable Energy (FIT), small-diameter trees such as cleanings from young planted forests and broad-leaved...

  • Article
  • Open Access
33 Citations
6,052 Views
24 Pages

10 January 2021

Highlights: European beech (Fagus sylvatica L.) and silver fir (Abies alba Mill.) displayed parabolic elevational trends of the cessation of xylem cell differentiation phases. Xylem phenology and growth rates of Scots pine (Pinus sylvestris L.) appea...

  • Editorial
  • Open Access
1 Citations
2,674 Views
3 Pages

9 January 2021

Although aspects of forest ecophysiology and forest environments have received considerable attention from research scientists in the last three decades, assessment of implications for meeting the climate targets and international agreements is still...

  • Article
  • Open Access
13 Citations
4,461 Views
18 Pages

Reciprocal Common Garden Altitudinal Transplants Reveal Potential Negative Impacts of Climate Change on Abies religiosa Populations in the Monarch Butterfly Biosphere Reserve Overwintering Sites

  • Ana Laura Cruzado-Vargas,
  • Arnulfo Blanco-García,
  • Roberto Lindig-Cisneros,
  • Mariela Gómez-Romero,
  • Leonel Lopez-Toledo,
  • Erick de la Barrera and
  • Cuauhtémoc Sáenz-Romero

9 January 2021

Research Highlights: Reciprocal altitudinal transplants of Abies religiosa seedlings within the Monarch Butterfly Biosphere Reserve (MBBR) allow prediction of the impacts of climatic change, because they grow in sites with a climate that differs from...

  • Article
  • Open Access
8 Citations
3,667 Views
14 Pages

Infection and Spread of Root Rot Caused by Heterobasidion parviporum in Picea abies Stands after Thinning: Case Studies on Former Pasture and Meadow Lands

  • Darta Klavina,
  • Lauma Bruna,
  • Astra Zaluma,
  • Natalija Burnevica,
  • Kaspars Polmanis,
  • Talis Gaitnieks and
  • Tuula Piri

9 January 2021

Afforestation of former agricultural lands is a common practice in several countries. This is beneficial for avoiding diseases carry-over from previous forest generations and to expand forest areas. However, several biotic and abiotic risks have been...

  • Article
  • Open Access
13 Citations
3,713 Views
15 Pages

9 January 2021

To utilize timber and forest biomass resources for bioenergy, technically feasible and economically viable timber and forest biomass resources should be estimated accurately considering their long-term availability. This study focuses on five prefect...

  • Article
  • Open Access
24 Citations
4,155 Views
19 Pages

Cupressaceae Pollen in the City of Évora, South of Portugal: Disruption of the Pollen during Air Transport Facilitates Allergen Exposure

  • Ana Galveias,
  • Ana R. Costa,
  • Daniele Bortoli,
  • Russell Alpizar-Jara,
  • Rui Salgado,
  • Maria João Costa and
  • Célia M. Antunes

8 January 2021

Research Highlights: Daily airborne Cupressaceae pollen disruption ranged from 20 to 90%; relative humidity (RH), rainfall and atmospheric pressure (AtP) were the major meteorological determinants of this phenomenon. Background and Objectives: Cupres...

  • Article
  • Open Access
65 Citations
7,463 Views
17 Pages

Using U-Net-Like Deep Convolutional Neural Networks for Precise Tree Recognition in Very High Resolution RGB (Red, Green, Blue) Satellite Images

  • Kirill A. Korznikov,
  • Dmitry E. Kislov,
  • Jan Altman,
  • Jiří Doležal,
  • Anna S. Vozmishcheva and
  • Pavel V. Krestov

8 January 2021

Very high resolution satellite imageries provide an excellent foundation for precise mapping of plant communities and even single plants. We aim to perform individual tree recognition on the basis of very high resolution RGB (red, green, blue) satell...

  • Article
  • Open Access
18 Citations
4,949 Views
16 Pages

Functions of Windbreaks in the Landscape Ecological Network and Methods of Their Evaluation

  • Jana Podhrázská,
  • Josef Kučera,
  • Daniel Doubrava and
  • Petr Doležal

8 January 2021

Linear elements in the agricultural landscape, particularly windbreaks, reduce the wind speed and improve the microclimate in the protected zone. They offer many direct effects on agricultural production with maximum benefits of ecosystem biodiversit...

  • Article
  • Open Access
37 Citations
4,057 Views
13 Pages

8 January 2021

In the context of the implementation of rural revitalization strategies in China, limited attention has been paid to the landscape patterns of traditional villages that are located in vulnerable environments. This study explores the land-use dynamics...

  • Article
  • Open Access
2 Citations
3,500 Views
14 Pages

7 January 2021

Research Highlights: Patterns of dispersal shape the distribution and temporal development of genetic diversity both within and among populations. In an era of unprecedented environmental change, the maintenance of extant genetic diversity is crucial...

  • Article
  • Open Access
38 Citations
7,825 Views
20 Pages

7 January 2021

The biomass represented by urban trees is important for urban decision-makers, green space planners, and managers seeking to optimize urban ecosystem services. Carbon storage by urban trees is one of these services. Suitable methods for assessing car...

  • Article
  • Open Access
8 Citations
3,227 Views
9 Pages

Penetration of Different Liquids in Wood-Based Composites: The Effect of Adsorption Energy

  • Hamid R. Taghiyari,
  • Roya Majidi,
  • Mahnaz Ghezel Arsalan,
  • Asaad Moradiyan,
  • Holger Militz,
  • George Ntalos and
  • Antonios N. Papadopoulos

7 January 2021

The penetration properties of three different liquids on the surface of medium-density fiberboard (MDF) and particleboard panels were studied. Water, as a polar liquid, was compared to two other less polar liquids (namely, ethanol and kerosene) with...

  • Article
  • Open Access
23 Citations
6,948 Views
18 Pages

6 January 2021

Allometric equations use easily measurable biometric variables to determine the aboveground and belowground biomasses of trees. Equations produced for estimating the biomass within Canadian forests at a large scale have not yet been validated for eas...

  • Article
  • Open Access
26 Citations
3,757 Views
12 Pages

6 January 2021

Background: Abandoned mining sites are becoming increasingly common due to anthropogenic activities. Consequently, external-soil spray seeding technology has attracted increasing attention as a strategy to remediate them. However, significant challen...

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Forests - ISSN 1999-4907