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The Effects of Tree Size, Stand Density, and Tree-Species Mixing on Stand Level and Tree Level Light Absorption and Light-Use Efficiency: A Review
IF 9.5 1区 农林科学
Current Forestry Reports Pub Date : 2025-03-31 DOI: 10.1007/s40725-025-00247-7
David I. Forrester, Benjamin N. E. Plaga, Jürgen Bauhus
{"title":"The Effects of Tree Size, Stand Density, and Tree-Species Mixing on Stand Level and Tree Level Light Absorption and Light-Use Efficiency: A Review","authors":"David I. Forrester, Benjamin N. E. Plaga, Jürgen Bauhus","doi":"10.1007/s40725-025-00247-7","DOIUrl":"https://doi.org/10.1007/s40725-025-00247-7","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Purpose of Review</h3><p>Tree species mixtures are often more productive than monocultures. One possible reason for this is higher absorption of photosynthetically active radiation (APAR) and improved light use efficiency (LUE) in mixtures. Here, we identified the processes influencing APAR and LUE in forests, examined how APAR and LUE are influenced by mixing species or reducing stand density, how these effects vary along site gradients, and implications for modelling of forest growth.</p><h3 data-test=\"abstract-sub-heading\">Recent Findings</h3><p>Eight of 18 cases had 4 to 86% (mean 27%) higher stand APAR in mixtures than the most productive monoculture, four found 13 to 49% (mean 25%) higher APAR compared to the average of the monocultures, and three found lower APAR in mixtures than in the monoculture with lowest-APAR. Following the same sequence of comparisons for LUE in mixtures vs. monocultures, the counts were ten, one and four cases, respectively. Reductions in stand density reduced stand APAR, and either increased or did not influence LUE. While a common set of interactions and structural characteristics influenced APAR and LUE, their importance varied among forest types, sites, and ages, pointing to the value of using models to understand these processes. At nutrient and water rich sites, where leaf areas and competition for light are high, increased APAR in mixtures typically leads to increased productivity.</p><h3 data-test=\"abstract-sub-heading\">Summary</h3><p>In mixtures, stand-level APAR and LUE can be greater than in monocultures, but this is not always the case, and the causes vary between forest types and sites. Increases in APAR or LUE do not necessarily increase growth, which is more likely on sites with higher soil resources and favourable climatic conditions. Forest growth models are available that summarise this information in a form that can be used by forest practitioners.</p>","PeriodicalId":48653,"journal":{"name":"Current Forestry Reports","volume":"113 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143737208","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Advances in Cable Yarding: a Review of Recent Developments in Carriers for Mobile Skyline Cable Yarding
IF 9.5 1区 农林科学
Current Forestry Reports Pub Date : 2025-03-04 DOI: 10.1007/s40725-025-00246-8
Gernot Erber, Rien Visser, Stefan Leitner, Hunter Harrill, Raffaele Spinelli, Rodolfo Picchio, Thomas Varch, Karl Stampfer
{"title":"Advances in Cable Yarding: a Review of Recent Developments in Carriers for Mobile Skyline Cable Yarding","authors":"Gernot Erber, Rien Visser, Stefan Leitner, Hunter Harrill, Raffaele Spinelli, Rodolfo Picchio, Thomas Varch, Karl Stampfer","doi":"10.1007/s40725-025-00246-8","DOIUrl":"https://doi.org/10.1007/s40725-025-00246-8","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Purpose of Review</h3><p>The introduction of cable yarding systems has transformed timber harvesting operations on steep slopes. Subsequent adaptations and modernizations of rigging configurations, carriages, and work practices have led to substantial improvements in safety, productivity, and environmental performance. This review focuses on the base, or carrier, of the cable yarder and identifies recent improvements, thereby offering insight into emerging opportunities for future developments.</p><h3 data-test=\"abstract-sub-heading\">Recent Findings</h3><p>Hybridization and electrification of carrier drivetrains, leveraging cable yarding's distinctive suitability for energy recuperation, has been introduced as a measure to enhance fuel economy and reduce CO₂ and noise emissions, thereby improving economic and environmental performance as well as occupational safety. The creation of a more attractive and safer working environment has been achieved through the increased use of excavators as carrier platforms for unguyed yarders, which have been instrumental in extending fully mechanized harvesting to steep slopes. In addition, this type of machine allows economic viability to be maintained in the smaller operations that are expected to be the norm in the future through lower machine costs and faster relocation. New information and communication technologies have made carriers a key source of machine sensor data for production control, monitoring and coordination, predictive maintenance and overall system optimization.</p><h3 data-test=\"abstract-sub-heading\">Summary</h3><p>The yarder carrier, though often overlooked, is at the core of the evolution of cable yarding operations. The implementation of Forestry 4.0 technology is underway, and recent developments align with Forestry 5.0 principles to advance sustainable, safe, and economically viable harvesting in challenging terrain.</p>","PeriodicalId":48653,"journal":{"name":"Current Forestry Reports","volume":"32 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143538375","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhancing Plantation Forest Sustainability: A Review of Eucalyptus Defence Mechanisms to Foliar Fungal Pathogens
IF 9.5 1区 农林科学
Current Forestry Reports Pub Date : 2025-02-01 DOI: 10.1007/s40725-024-00243-3
Myriam Solís, Almuth Hammerbacher, Michael. J Wingfield, Sanushka Naidoo
{"title":"Enhancing Plantation Forest Sustainability: A Review of Eucalyptus Defence Mechanisms to Foliar Fungal Pathogens","authors":"Myriam Solís, Almuth Hammerbacher, Michael. J Wingfield, Sanushka Naidoo","doi":"10.1007/s40725-024-00243-3","DOIUrl":"https://doi.org/10.1007/s40725-024-00243-3","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Purpose of the Review</h3><p>In this review, we synthesize knowledge generated over many decades on the main defence responses of <i>Eucalyptus</i> to fungal leaf pathogens with the aim of identifying targets for breeding disease tolerant trees. We highlight physiological and molecular traits associated with host defence in relation to pathogen life-style. Overall, the purpose of this review is to identify resistance mechanisms that offer improved resilience of <i>Eucalyptus</i> plantations in the face of increasing threats by foliar fungal pathogens. The broad aim is to promote sustainable forestry through appropriate selection of resistance traits in trees that are widely planted for commercial timber production.</p><h3 data-test=\"abstract-sub-heading\">Recent findings</h3><p><i>Eucalyptus</i> is among the most important tree genera planted for commercial timber production worldwide. Numerous foliar pathogens have been reported on these trees in the last 30 years with numbers of recent reports increasing exponentially. The majority of these diseases affect the leaves and shoots of the trees. Knowledge on resistance traits in <i>Eucalyptus</i> to fungal foliar pathogens is limited. This is in part due to the high intra- and inter-species variation in molecular and physiological responses of the host and variation in responses to different pathogens, especially those with different trophic modes. A well-founded understanding of such host responses will provide valuable knowledge required to maintain healthy, sustainable <i>Eucalyptus</i> plantations, especially in the face of changing environmental conditions, where new diseases are caused by fungi previously not considered relevant.</p><h3 data-test=\"abstract-sub-heading\">Summary</h3><p>Foliar diseases are among the most important challenges for <i>Eucalyptus</i> plantations globally. The effects of climate change and new or more serious outbreaks present an important threat to the sustainability of <i>Eucalyptus</i> plantations worldwide. Due to restrictions on the use of chemicals, more feasible solutions for disease management lie in selecting planting material with resistance traits. To achieve that goal, it is essential to understand the most important physiological and molecular responses of <i>Eucalyptus </i>to infection by pathogens that infect their foliar tissues. In this review we summarise the available knowledge of the main physiological defence barriers and genetic traits that play key roles in the broad defence against foliar fungal pathogens. Furthermore, we consider defence pathways that are specifically related to the lifestyle and trophic mode of the pathogens. In order to ensure the future sustainability of <i>Eucalyptus</i> plantations, it will be necessary to understand how disease resistance is affected by climate change, as well as the adaptability of the hosts and pathogens to newly emerging environmental conditions.</p>","PeriodicalId":48653,"journal":{"name":"Current Forestry Reports","volume":"60 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143071577","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
From Roots to Leaves: Tree Growth Phenology in Forest Ecosystems
IF 9.5 1区 农林科学
Current Forestry Reports Pub Date : 2025-01-29 DOI: 10.1007/s40725-025-00245-9
Roberto Silvestro, Annie Deslauriers, Peter Prislan, Tim Rademacher, Negar Rezaie, Andrew D. Richardson, Yann Vitasse, Sergio Rossi
{"title":"From Roots to Leaves: Tree Growth Phenology in Forest Ecosystems","authors":"Roberto Silvestro, Annie Deslauriers, Peter Prislan, Tim Rademacher, Negar Rezaie, Andrew D. Richardson, Yann Vitasse, Sergio Rossi","doi":"10.1007/s40725-025-00245-9","DOIUrl":"https://doi.org/10.1007/s40725-025-00245-9","url":null,"abstract":"&lt;h3 data-test=\"abstract-sub-heading\"&gt;Purpose of Review&lt;/h3&gt;&lt;p&gt;This review synthesizes recent advancements and identifies knowledge gaps in the tree growth phenology of both belowground and aboveground organs in extra-tropical forest ecosystems. Phenology, the study of periodic plant life cycle events, is crucial for understanding tree fitness, competition for resources, and the impacts of climate change on ecosystems. By examining the phenological processes of various tree organs, the review aims to provide a comprehensive understanding of how these processes are interconnected and how they influence overall tree growth and ecosystem dynamics. The review aims to provide a comprehensive overview of current knowledge, highlight recent technological advancements, and identify critical areas where further research is needed.&lt;/p&gt;&lt;h3 data-test=\"abstract-sub-heading\"&gt;Recent Findings&lt;/h3&gt;&lt;p&gt;The review highlights significant progress in monitoring leaf and canopy phenology, thanks to advancements in remote sensing and automated observation systems. These technologies have enhanced our ability to track seasonal changes in leaf development and canopy dynamics more accurately and over larger areas. There has also been a substantial increase in research on wood formation in stems, expanding beyond northern hemisphere conifers to include a broader range of functional groups. However, despite these efforts, identifying the precise drivers of wood formation remains challenging, necessitating further integration of molecular and eco-physiological insights. A critical area of focus is root phenology, encompassing both primary and secondary growth. Despite the fundamental role of roots in tree physiology and ecosystem dynamics, our understanding of root phenology remains limited, primarily due to the inherent difficulties in monitoring root growth. The review emphasizes the need for more detailed studies on root growth processes and the development of new methodologies and technologies to improve root phenology assessments.&lt;/p&gt;&lt;h3 data-test=\"abstract-sub-heading\"&gt;Summary&lt;/h3&gt;&lt;p&gt;The review highlights the importance of incorporating eco-physiological insights into phenological assessments. Leaf and canopy phenology would benefit from more studies focusing on autumnal events. Indeed, compared to the onset of the growing season, much less is known about its end, despite its critical importance for understanding processes such as carbon uptake and nutrient cycle. Advancing knowledge of wood growth phenology will require greater focus on angiosperms, as research on xylogenesis has historically been centered on gymnosperms. This will likely necessitate the development of new, tailored methodologies to address the characteristics of angiosperm wood formation. Similarly, further exploration of phloem phenology is essential to better understand the links between phenological processes across different organs. Finally, compared to other organs, root growth remains less well u","PeriodicalId":48653,"journal":{"name":"Current Forestry Reports","volume":"40 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143055089","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Advances in Laser Scanning to Assess Carbon in Forests: From Ground-Based to Space-Based Sensors 激光扫描评估森林碳的进展:从地面到天基传感器
IF 9.5 1区 农林科学
Current Forestry Reports Pub Date : 2025-01-22 DOI: 10.1007/s40725-024-00242-4
Nicholas C. Coops, Liam A.K. Irwin, Harry S. Seely, Spencer J. Hardy
{"title":"Advances in Laser Scanning to Assess Carbon in Forests: From Ground-Based to Space-Based Sensors","authors":"Nicholas C. Coops, Liam A.K. Irwin, Harry S. Seely, Spencer J. Hardy","doi":"10.1007/s40725-024-00242-4","DOIUrl":"https://doi.org/10.1007/s40725-024-00242-4","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Purpose of Review</h3><p>Quantifying the store and flux of carbon across space and time from trees to forest stands, and ultimately at a global scale, has become paramount for a broad range of applications, including individual tree based allometry, landscape scale forest carbon accounting as well as derivation of globally required climate change related variables. Despite this significant information need, the measurement of forest carbon using field methods remains laborious, expensive and logistically complex.</p><h3 data-test=\"abstract-sub-heading\">Recent Findings</h3><p>Laser scanning technologies mounted on terrestrial, unmanned aerial vehicles or drones, aircraft or satellites have revolutionised the estimation of forest carbon at a variety of spatial and temporal scales with each providing detailed and often unique information about the distribution of biomass and carbon within a stand. In this review, we examined the use of laser scanning technologies for this purpose. </p><h3 data-test=\"abstract-sub-heading\">Summary</h3><p>To do so we focus on the recently published (within 10 years) peer reviewed literature and consider studies across four information needs, individual tree, stand, regional / national, and global scales. We consider the type of laser scanning data that is typically acquired, data processing pipelines and the products that are produced. After reviewing these studies, we conclude with a discussion of remaining issues associated with the mapping of forest carbon using laser scanning technologies. We also highlight a number of future research directions to further expand the use of this technology for forest carbon mapping globally. </p>","PeriodicalId":48653,"journal":{"name":"Current Forestry Reports","volume":"84 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142992724","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Alternative Powertrains and Fuels in Heavy Non-Road Mobile Machinery and Their Future Expectations - A Review 重型非道路移动机械的替代动力系统和燃料及其未来展望——综述
IF 9.5 1区 农林科学
Current Forestry Reports Pub Date : 2025-01-16 DOI: 10.1007/s40725-024-00244-2
Jarkko Pesonen, Robert Prinz, Heikki Ovaskainen, Pertti Kauranen, Asko Poikela, Kalle Kärhä
{"title":"Alternative Powertrains and Fuels in Heavy Non-Road Mobile Machinery and Their Future Expectations - A Review","authors":"Jarkko Pesonen, Robert Prinz, Heikki Ovaskainen, Pertti Kauranen, Asko Poikela, Kalle Kärhä","doi":"10.1007/s40725-024-00244-2","DOIUrl":"https://doi.org/10.1007/s40725-024-00244-2","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Purpose of the Review</h3><p>This literature review focused on studies on alternative powertrains and fuels of non-road mobile machinery (NRMM) during the last 15 years and investigated their future potential and expectations. The goal was to evaluate different alternative powertrains based on previous research and highlight the possibilities and challenges of each technology. Additionally, the aim was to conduct a comprehensive overview about the technology development phase of alternative powertrains.</p><h3 data-test=\"abstract-sub-heading\">Recent Findings</h3><p>This review covered a total of 115 studies consisting of hybrid, full-electric, biofuels, biogas, and hydrogen solutions. The results highlighted that hybrid and full-electric technologies have the greatest potential to replace conventional diesel engines in the future. The main challenges identified were battery reliability and high technology costs. Regarding biofuel, biogas, and hydrogen, the benefits were mainly lower emissions while the challenges were high costs and low production. Full-electric and hydrogen powertrains were found to reach zero local emissions during operations, while compared to diesel, repair and maintenance caused less emissions of 36–46% during the life cycle with full-electric and hydrogen solutions. With hybrid, biofuels, and biogas powertrains, the emission reduction potential ranged from 37 to 81% during operations and 36–66% during the entire life cycle. The highest Technology Readiness Levels (TRLs) were identified for hybrid and full-electric technologies in industrial machinery (6.9–7.4). The lowest measurable TRL (2.5) was with biogas powered construction machinery. The TRLs of biogas and hydrogen of forest machinery were excluded from this review due to the lack of research.</p><h3 data-test=\"abstract-sub-heading\">Summary</h3><p>Alternative powertrains can eventually replace diesel engines, if the challenges with implementation, production, and reliability are solved. Furthermore, the benefits of electric and renewable technologies/fuels are unambiguous from the emission reduction and energy efficiency perspectives. Consequently, we recommend that future research focus especially on the implementation of alternative technologies as well as the improvement of the manufacturing infrastructure.</p>","PeriodicalId":48653,"journal":{"name":"Current Forestry Reports","volume":"126 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142986811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Challenges to Mediterranean Fagaceae ecosystems affected by Phytophthora cinnamomi and Climate Change: Integrated Pest Management perspectives 受 Phytophthora cinnamomi 和气候变化影响的地中海椑木生态系统面临的挑战:病虫害综合防治视角
IF 9.5 1区 农林科学
Current Forestry Reports Pub Date : 2025-01-14 DOI: 10.1007/s40725-024-00237-1
Carmen Morales-Rodríguez, Andrea Vannini, Bruno Scanu, Pablo González-Moreno, Silvia Turco, Mounira Inas Drais, Andrea Brandano, Mari Ángeles Varo Martínez, Angelo Mazzaglia, Antonio Deidda, Adrián Cidre, José Gomes-Laranjo, Dario Liberati, Francisco J. Ruiz-Gómez
{"title":"Challenges to Mediterranean Fagaceae ecosystems affected by Phytophthora cinnamomi and Climate Change: Integrated Pest Management perspectives","authors":"Carmen Morales-Rodríguez, Andrea Vannini, Bruno Scanu, Pablo González-Moreno, Silvia Turco, Mounira Inas Drais, Andrea Brandano, Mari Ángeles Varo Martínez, Angelo Mazzaglia, Antonio Deidda, Adrián Cidre, José Gomes-Laranjo, Dario Liberati, Francisco J. Ruiz-Gómez","doi":"10.1007/s40725-024-00237-1","DOIUrl":"https://doi.org/10.1007/s40725-024-00237-1","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Purpose of Review</h3><p>This review aims to address the specific challenges of forest decline in Mediterranean <i>Fagaceae</i> ecosystems driven by the alien invasive <i>Phytophthora cinnamomi</i> and global changes. In a scenario of climate change and anthropic pressure, this review seeks to offer a comprehensive overview of the current state of <i>P.cinnamomi</i> invasion, focusing on its biology, ecology and epidemiology in different Mediterranean forest ecosystems, and providing an update on diagnosis, impact and current management measures.</p><h3 data-test=\"abstract-sub-heading\">Recent Finding</h3><p>Recent studies have significantly advanced our understanding of the decline of Mediterranean <i>Fagaceae</i> forests driven by <i>Phytophthora</i> spp. The introduction of the plant holobiont concept and microbial invasion biology and ecology has reshaped the study of plant–microbe interactions. This perspective, which considers the tree as an ecosystem composed of the tree itself together with its associated microbiome has been pivotal in developing holistic management strategies to mitigate pathogen impacts. The network of interactions between components of the microbial community of healthy and diseased trees, has been the object of several recent studies that highlighted the complex dynamics of host–pathogen interaction and offered the option for biotechnological applications including the use of helper microorganisms and antagonists.</p><h3 data-test=\"abstract-sub-heading\">Summary</h3><p>The collaboration among research institutions from Italy, Spain and Portugal has resulted in a detailed review that emphasizes the importance of tailored management protocols for different ecosystems. Engaging stakeholders and citizens in integrated pest management (IPM) strategies has proven crucial for effective forest management. The findings underscore the need for continuous monitoring, innovative treatment methods, and public awareness to mitigate the impacts of Alien Invasive Forest Phytophthoras (AIFPs) and ensure the sustainability of Mediterranean <i>Fagaceae</i> forests.</p>","PeriodicalId":48653,"journal":{"name":"Current Forestry Reports","volume":"22 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-01-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142974685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Global Synthesis of Quantification of Fire Behaviour Characteristics in Forests and Shrublands: Recent Progress 森林和灌丛地火灾行为特征量化的全球综合:最新进展
IF 9.5 1区 农林科学
Current Forestry Reports Pub Date : 2025-01-07 DOI: 10.1007/s40725-024-00241-5
Miguel G. Cruz, Chad M. Hoffman, Paulo M. Fernandes
{"title":"Global Synthesis of Quantification of Fire Behaviour Characteristics in Forests and Shrublands: Recent Progress","authors":"Miguel G. Cruz, Chad M. Hoffman, Paulo M. Fernandes","doi":"10.1007/s40725-024-00241-5","DOIUrl":"https://doi.org/10.1007/s40725-024-00241-5","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Purpose of Review</h3><p>The behaviour of wildland fires, namely their free spreading nature, destructive energy fluxes and hazardous environment, make it a phenomenon difficult to study. Field experimental studies and occasional wildfire observations underpin our understanding of fire behaviour. We aim to present a global synthesis of field-based studies in forest and shrublands fuel types published since 2003 with a focus on the most commonly measured fire behaviour attributes, namely rate of fire spread, ignition and spread sustainability, flame characteristics, fuel consumption and spotting behaviour.</p><h3 data-test=\"abstract-sub-heading\">Recent Findings</h3><p>We present a synthesis of measured fire behaviour data collected in field experiments and wildfire environments encompassing the last two decades. We discuss the effect of a lack of standardised experimental methodologies in field studies, which has inhibited our quantitative understanding of the physical drivers of fire behaviour. The application of new fire environment and behaviour measuring sensors and methods offer opportunities for more comprehensive descriptions of fire spread characteristics, particularly when applied to wildfire events, to better capture scale dependent phenomena that do not occur at smaller experimental scales.</p><h3 data-test=\"abstract-sub-heading\">Summary</h3><p>Fire behaviour data collected in field experiments and wildfires form the foundation of our quantitative understanding of fire dynamics. These data are used in the development and evaluation of predictive models with operational and scientific applications. We provide a broad synthesis of existing field-based studies in forest and shrubland ecosystems and discuss their limitations and needs for future research.</p>","PeriodicalId":48653,"journal":{"name":"Current Forestry Reports","volume":"7 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142935001","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrical Phenomena in Trees and Wood: A Review 树木和木材中的电现象:综述
IF 9.5 1区 农林科学
Current Forestry Reports Pub Date : 2025-01-02 DOI: 10.1007/s40725-024-00238-0
Vikash Ghildiyal, Clemens M. Altaner, Bill Heffernan, Michael C. Jarvis
{"title":"Electrical Phenomena in Trees and Wood: A Review","authors":"Vikash Ghildiyal, Clemens M. Altaner, Bill Heffernan, Michael C. Jarvis","doi":"10.1007/s40725-024-00238-0","DOIUrl":"https://doi.org/10.1007/s40725-024-00238-0","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Purpose of review</h3><p>This review covers electrical phenomena originating from the physical properties of wood, relevant to tree biology and timber industry applications. Membrane-associated cellular phenomena like action potentials are excluded. Trees exhibit diverse bioelectric processes of physical origin. The electrical properties of wood hold promise for advancing timber processing, and developing smart materials, while enhancing our understanding of tree-environment interactions.</p><h3 data-test=\"abstract-sub-heading\">Recent findings</h3><p>Streaming and piezoelectric potentials have long histories but are now reinterpreted based on our better understanding of plants. Streaming potentials from sap flow, discounted in the 2000s, have been reinstated through recent publications addressing past inconsistencies with current data on xylem structure. Electro-osmotic flow is gaining new applications in timber drying. Wood, previously considered weakly piezoelectric, shows much stronger activity after fungal degradation, spurring interest in practical applications and the underlying mechanism – now better understood through new findings on the structure, deposition and deformation of wood cellulose. Internal variation in the electric (conductive and dielectric) properties of green logs facilitates innovative timber quality mapping methods. Emerging research on perturbation of the atmospheric and soil electric fields by trees offers insights into inter-organism interactions.</p><h3 data-test=\"abstract-sub-heading\">Summary</h3><p>This review encompasses electrical measurement methods; electrokinetic phenomena, including streaming potentials and electro-osmotic timber drying; electric heating; mapping and technologies based on dielectric properties; wood-based electronics; electromechanical phenomena, including the piezoelectric effect and triboelectrification; atmospheric electricity around trees; and electrotaxis. Future research should explore electro-osmosis in wood and its applications. Electric potentials in green wood and living trees, generated through ion-transport mechanisms, need further exploration to elucidate charge separation processes.</p>","PeriodicalId":48653,"journal":{"name":"Current Forestry Reports","volume":"61 1","pages":""},"PeriodicalIF":9.5,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142917149","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Global Insights on Insecticide Use in Forest Systems: Current Use, Impacts and Perspectives in a Changing World 森林系统杀虫剂使用的全球洞察:当前使用、影响和变化世界中的前景
IF 9.5 1区 农林科学
Current Forestry Reports Pub Date : 2024-12-30 DOI: 10.1007/s40725-024-00239-z
Benjamin M. L. Leroy
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