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Forests
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Selected Papers from the 3rd International Electronic Conference on Forests...
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Selected Papers from the 3rd International Electronic Conference on Forests (IECF2022)

A special issue of Forests (ISSN 1999-4907).

Deadline for manuscript submissions: closed (25 July 2023) | Viewed by 4294

Special Issue Editors

Dr. Angela Lo Monaco

E-Mail Website
Guest Editor
Department of Forestry and Management of the Environment and Natural Resources, Democritus University of Thrace, Komotini, Greece
Interests: lulc; remote sensing; forest; geobia; classification comparison; land use/cover change
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Rodolfo Picchio

E-Mail Website
Guest Editor
Department of Agriculture, Forests, Nature and Energy, Tuscia University, Viterbo, Italy
Interests: forestry utilization; agriculture; Wetland; forestry mechanization; sylviculture
Special Issues, Collections and Topics in MDPI journals
Dr. Mark Vanderwel

E-Mail Website
Guest Editor
Department of Biology, University of Regina, 3737 Wascana Pkwy, Regina, SK S4S 0A2, Canada
Interests: tree demography; stand dynamics; forest simulation modelling; global change; forest distributions; carbon sequestration; LiDAR
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

It is a pleasure to announce the Special Issue of the 3rd International Electronic Conference on Forests (IECF2022)—exploring new discoveries and new directions in forests. The conference has been organized by the MDPI open-access journal Forests (impact factor 2.634), and will be conducted online from 15 to 31 October 2022.

Forests and agroforestry systems are crucial for the health of our planet, as also highlighted in the recent COP26 meeting, and all stakeholders, beginning with forest scientists, have to focus their attention on the overall sustainability of the forest sector. Alongside timber production, forests provide several fundamental ecosystem services, such as biodiversity conservation, soil protection, recreation, landscape, food supply, and carbon stocking, without forgetting the value in terms of aesthetics, education, spiritualism, art, and identity that forests possess. It is up to us to manage forests in the best possible way, allowing them to continue to carry out all of these crucial roles. The global pandemic has further increased, if possible, the importance of forests, highlighting their relevance in human health.

Taking into account the above-mentioned factors, the role of forest research is fundamental, and only through sharing knowledge and competence among the different sectors of forest sciences will it be possible to achieve the ambitious but crucial goal of sustainable forest management.

The Special Issue aims to publish selected papers from the Proceedings volume associated with our event.

The Special Issue aims to provide an opportunity to share new ideas, technologies, and innovations in the broad area of forest sciences with the global community of scientists in the field of forestry. Through IECF2022, we aim to promote and advance the exciting and rapidly changing field of forestry, forest ecology and products deriving from forests. All participants are encouraged to submit a full paper to the dedicated Conference Special Issue in Forests with a 20% discount on the Article Processing Charges (APC).

Therefore, we invite you to join us with your work and be part of this exciting experience.

Topics of interest for the conference are as follows:

  1. Forest Ecology and Management;
  2. Forest Ecophysiology and Genetics;
  3. Wood Science, Production Chains, Fuelwood and Trade;
  4. Forest Operations and Engineering;
  5. Forest and Urban Forest Sustainability;
  6. Forest Inventory, Quantitative Methods and Remote Sensing;
  7. Forest Wildfires and Other Natural Hazards;
  8. Forest Economics, Policy and Social Science;
  9. Forest Climate Regulation.

This is a great opportunity to exchange ideas and start fruitful collaborations.

Prof. Dr. Angela Lo Monaco
Prof. Dr. Rodolfo Picchio
Prof. Dr. Mark Vanderwel
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.

Benefits of Publishing in a Special Issue

  • Ease of navigation: Grouping papers by topic helps scholars navigate broad scope journals more efficiently.
  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
  • Expansion of research network: Special Issues facilitate connections among authors, fostering scientific collaborations.
  • External promotion: Articles in Special Issues are often promoted through the journal's social media, increasing their visibility.
  • e-Book format: Special Issues with more than 10 articles can be published as dedicated e-books, ensuring wide and rapid dissemination.

Further information on MDPI's Special Issue polices can be found here.

Published Papers (2 papers)

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Research

18 pages, 10796 KiB  
Article
Remote Sensing Assessment and Modeling of the Spatial Dynamics of Tree Stand Disturbance after the Impact of Siberian Silk Moth (Dendrolimus sibiricus)
by Evgenii I. Ponomarev, Evgeny G. Shvetsov, Nikita D. Yakimov, Pavel D. Tretyakov, Andrey A. Goroshko, Svetlana M. Sultson and Pavel V. Mikhaylov
Forests 2023, 14(2), 261; https://doi.org/10.3390/f14020261 - 30 Jan 2023
Cited by 1 | Viewed by 1647
Abstract
In this study, we have analyzed tree stand disturbance by hthe Siberian Silk Moth (Dendrolimus sibiricus Tschetverikov (Lepidoptera: Lasiocampidae)) in Central Siberia (Krasnoyarsk region, Russia) in 2015–2020. We considered two plots that experienced silk moth outbreaks in 2015–2018 and 2018–2020 and [...] Read more.
In this study, we have analyzed tree stand disturbance by hthe Siberian Silk Moth (Dendrolimus sibiricus Tschetverikov (Lepidoptera: Lasiocampidae)) in Central Siberia (Krasnoyarsk region, Russia) in 2015–2020. We considered two plots that experienced silk moth outbreaks in 2015–2018 and 2018–2020 and used satellite data (Terra/MODIS, Landsat/ETM/OLI), field forest inventory data, a meteorological data set, and a vegetation cover vector layer. Silk moth-disturbed areas were classified using NDVI, which was calculated for each 15-day period during the growing season (April–September). We obtained formalized descriptions of the temporal dynamics of the disturbed area. Next, we classified the degree of disturbance of the forest stand after the impact of the silk moth by the threshold method according to the ranges of NDVI anomalies. Based on the generalized data from the forest inventory, we performed a correlation analysis of the relationship between the main characteristics of forests and the classes of disturbance. Finally, using a series of regression equations, we described a procedure for predicting the degree of impact on the stand during the time of silk moth outbreaks in the dark-needle coniferous stands of Central Siberia. Full article
(This article belongs to the Special Issue Selected Papers from the 3rd International Electronic Conference on Forests (IECF2022))
►▼ Show Figures

Figure 1

Figure 1
<p>Study area in Krasnoyarsk region (Central Siberia, Russia) and overview of forests disturbed (red outline) by Siberian silk moth from Landsat-8/OLI data for 2020: (<b>a</b>) Yenisei District plot (YnP); (<b>b</b>) Irbei District plot (IrP).</p> Full article ">Figure 2
<p>Flowchart for NDVI calculation from Landsat imagery using a GIS technique. Blue elements represent raw data (B4 and B5 are Digital Number data DN from Band #4 and Band #5, respectively; Lmin/Lmax and Quantize Cal Min/Max Pixel value are metadata of Landsat); orange elements represent procedures used; and green elements indicate intermediate and final values.</p> Full article ">Figure 3
<p>The dynamics of area disturbed by the Siberian silk moth in YnP in 2015–2018 (<b>a</b>,<b>c</b>) and in IrP in 2018–2020 (<b>b</b>,<b>d</b>). Evaluated from Terra/MODIS data.</p> Full article ">Figure 4
<p>The dynamics of the area disturbed by silk moth for EnP in 2015–2018 (<b>a</b>) and for IrP in 2018–2020 (<b>b</b>). Model of the monthly distribution of the area disturbed by silk moth for YnP, which approximates the Terra/MODIS data with 14-day temporal resolution, where I corresponds to exponential growth (phase “I”) and II is the approximated final stage. I denoted the experimental data, and II is an approximation of the maximum of the final area. Plots of the correlation field for experimental measurement data (based on satellite data) and model calculation results for YnP (<b>c</b>) and IrP (<b>d</b>).</p> Full article ">Figure 4 Cont.
<p>The dynamics of the area disturbed by silk moth for EnP in 2015–2018 (<b>a</b>) and for IrP in 2018–2020 (<b>b</b>). Model of the monthly distribution of the area disturbed by silk moth for YnP, which approximates the Terra/MODIS data with 14-day temporal resolution, where I corresponds to exponential growth (phase “I”) and II is the approximated final stage. I denoted the experimental data, and II is an approximation of the maximum of the final area. Plots of the correlation field for experimental measurement data (based on satellite data) and model calculation results for YnP (<b>c</b>) and IrP (<b>d</b>).</p> Full article ">Figure 5
<p>Dominant tree species of the Irbei Forestry. Black lines show forest network plots. The boundaries of the silk moth outbreak are shown in red.</p> Full article ">Figure 6
<p>Classification of forest network plots in the Irbei Forestry according to the disturbance degree in terms of NDVI anomaly (%) relative to background for plots with a predominance of “fir”, “Siberian pine”, and “spruce” classes according to Landsat-8 data for 08/10/2020. Classification of the IrP (<b>a</b>,<b>b</b>) disturbance zone within forest network plots and YnP (<b>c</b>,<b>d</b>) by the disturbance degree in terms of NDVI anomaly (%) for plots with a predominance of dark coniferous forests according to Landsat-8 data for 2019 (<b>a</b>), 2020 (<b>b</b>), 2016 (<b>c</b>), and 2018 (<b>d</b>).</p> Full article ">Figure 6 Cont.
<p>Classification of forest network plots in the Irbei Forestry according to the disturbance degree in terms of NDVI anomaly (%) relative to background for plots with a predominance of “fir”, “Siberian pine”, and “spruce” classes according to Landsat-8 data for 08/10/2020. Classification of the IrP (<b>a</b>,<b>b</b>) disturbance zone within forest network plots and YnP (<b>c</b>,<b>d</b>) by the disturbance degree in terms of NDVI anomaly (%) for plots with a predominance of dark coniferous forests according to Landsat-8 data for 2019 (<b>a</b>), 2020 (<b>b</b>), 2016 (<b>c</b>), and 2018 (<b>d</b>).</p> Full article ">
18 pages, 4923 KiB  
Article
The Impact of Long-Term Fertilisation of Potato Starch Wastewater on the Growth of Scots Pines: A Retrospective Analysis
by Longina Chojnacka-Ożga, Jerzy Lendzion and Wojciech Ożga
Forests 2022, 13(10), 1575; https://doi.org/10.3390/f13101575 - 26 Sep 2022
Cited by 1 | Viewed by 1399
Abstract
The article discusses the impact of the application of potato starch wastewater as a fertiliser on the growth responses of Scots pines at the Forest Wastewater Treatment Plant (FWTP) in Iława. More specifically, our study sought to determine the direction, extent, and duration [...] Read more.
The article discusses the impact of the application of potato starch wastewater as a fertiliser on the growth responses of Scots pines at the Forest Wastewater Treatment Plant (FWTP) in Iława. More specifically, our study sought to determine the direction, extent, and duration of changes in the trees’ growth responses caused by the application of fertiliser and the influence of climatic conditions on secondary growth in the trees to which the fertiliser had been applied. As part of the study, the extent of and changes in the growth responses were determined with reference to annual ring widths and earlywood and latewood widths using dendrochronological methods. The research was carried out in four pine stands: two stands of different ages (80 and 110 years) located within the FWTP site and two control stands of corresponding ages located outside that area. Core samples were collected from 12 trees in each stand. We found a two-way impact of potato starch wastewater on secondary growth in the trees under study, with a stimulatory effect (27%–30%) in the first decade of fertiliser application followed in the subsequent years by a strong reduction in growth (30%–45%, depending on the age of the trees). The trends of these changes could be seen in both the overall annual ring widths and the widths of earlywood and latewood. The direction of the changes was the same for trees of different ages, although age was found to have affected the extent and duration of the stimulatory or inhibitory effect. Over the entire period during which the fertiliser was applied, changes occurred in the structure of the wood as manifested in the increased share of earlywood. The sprinkler application of potato starch wastewater and the accompanying irrigation caused a shift in dendroclimatic relationships in comparison to the control plots. Surface irrigation and the resulting changes in water balance reduced the drought susceptibility of the pines under study. At the same time, however, trees weakened by the excessive concentration of toxic nitrates became more sensitive to temperature conditions in winter. The results confirm that the implementation of substances containing significant amounts of organic nitrogen and potassium into forest ecosystems may impair the vigour of trees, reduce stand productivity, cause an imbalance in the ecosystem and may consequently lead to forest degradation. Full article
(This article belongs to the Special Issue Selected Papers from the 3rd International Electronic Conference on Forests (IECF2022))
►▼ Show Figures

Figure 1

Figure 1
<p>Location of the study plots (explanation of abbreviations in the figure on the right: P1 and P2—study plots within the FWTP; P1c and P2c—control stands).</p> Full article ">Figure 2
<p>Climatic diagram (for the years 1951–2020) and the selected climatic characteristics for the study area (based on the data obtained from the Polish Institute of Meteorology and Water Management). Climatic characteristics were determined on the basis of the following criteria: thermal growing season: period from when daily temperatures are ≥5 °C for &gt;5 days and when daily temperatures fall to &lt;5 °C for 10 days [<a href="#B37-forests-13-01575" class="html-bibr">37</a>]; the coldest winters: the mean temperatures of all the winter months were lower than the long-term mean value by at least 1.5 SD; severe droughts were determined on the basis of the SPEI value [<a href="#B38-forests-13-01575" class="html-bibr">38</a>] calculated for the study site.</p> Full article ">Figure 3
<p>Sprinkling with sewage of stands on the FWTP in 2000 (Photos: Archives of the Forest Management and Geodesy Office—Department in Olsztyn, Poland).</p> Full article ">Figure 4
<p>Sequences of tree-ring width (TRW) Scots pine growing on the study plots (thin grey lines—individual series, thick red line—raw chronology); (<b>A</b>)—for younger trees (P1 and P1 control plots); (<b>B</b>)—for older trees (P2 and P2 control plots). The vertical lines indicate the period of operation of the Forest Wastewater Treatment Plant [FWTP].</p> Full article ">Figure 5
<p>Comparison of standard chronologies of Scots pine from study plots. (<b>A</b>)—plots with younger trees (P1, P1 control); (<b>B</b>)—plots with older trees (P2, P2 control). Black lines—chronology for P1 and P2, respectively, dashed grey lines—chronology for control plots, P1 control and P2 control, respectively. The vertical lines indicate the period of operation of the Forest Wastewater Treatment Plant [FWTP]; the letters marked: b—the first decade of sprinkling with sewage of stands; c— subsequent years of the fertilization with sewage.</p> Full article ">Figure 6
<p>Box plots showing differences in means TRW (median) between the study stands in the different tree growth periods: a—25 years before the start of FWTP activity; b—the first 11 years of the FWTP operation; c—next years of the FWTP operation; d—years after the FWTP was closed. (<b>A</b>)—plots with younger trees; (<b>B</b>)—plots with older trees. Asterisks indicate a significant difference amongst mean tree-rings widths of Scots pine on study plots; * represents that 0.01 &lt; <span class="html-italic">p</span>-value &lt; 0.05; ** represents that 0 &lt; <span class="html-italic">p</span>-value &lt; 0.01.</p> Full article ">Figure 7
<p>Box plots showing the share of earlywood to total annual ring width of Scots pine on study plots in different tree growth periods, the lowercase letters marked: a—25 years before the start of FWTP activity; b—the period of the FWTP operation (fertilization); c—years after the FWTP was closed. (<b>A</b>)—plots with younger trees; (<b>B</b>)—plots with older trees. Asterisks indicate a significant difference between the study and control plots; ** represents that 0 &lt; <span class="html-italic">p</span>-value &lt; 0.01.</p> Full article ">Figure 8
<p>Relationships between air temperature and radial growth of Scots pine growing on the study plots (residual chronologies) for the period before fertiliser application and the period after the starting operation of the Forest Wastewater Treatment Plant. (<b>A</b>)—plots with younger trees; (<b>B</b>)—plots with older trees. Asterisks (*) indicate significance at <span class="html-italic">p</span> &lt; 0.05.</p> Full article ">Figure 9
<p>Relationships between precipitation and radial growth (TRW) of Scots pine growing on the study plots (residual chronologies) for the period before fertiliser application and the period after starting operation of the Forest Wastewater Treatment Plant). (<b>A</b>)—plots with younger trees; (<b>B</b>)—plots with older trees. Asterisks (*) indicate significance at <span class="html-italic">p</span> &lt; 0.05.</p> Full article ">Figure 10
<p>Growth responses of the Scots pines growing at the Forest Wastewater Treatment Plant. The figure shows standardised chronologies after the application of a 5 year filter.</p> Full article ">Figure 11
<p>The amounts of water supplied to the stands at the Forest Wastewater Treatment Plant during the growing season in the period 1984–2010. Data on sewage and irrigation were obtained from the Iława Forest District. The years in which droughts occurred in the Iława Forest District are marked.</p> Full article ">
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