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Journal articles on the topic 'Thinning practice area'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Nakajima, Tohru, Hidesat Kanomata, Satoshi Tatsuhara, and Norihiko Shiraishi. "Simulation of the spatial distribution of thinning area under different silvicultural subsidy systems in Japanese plantation forests." Folia Forestalia Polonica, Series A - Forestry 53(1) (March 1, 2011): 3–16. https://doi.org/10.5281/zenodo.30810.

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The aim of this study was to simulate the effect of spatial thinning on the distribution of non-industrial private forests (NIPFs) and predict the thinning area under different subsidy systems in Hokkaido prefecture, Japan. The simulated thinning area is based on a Geographic Information System (GIS) and an algorithm that considers the stand condition and applicability of different subsidies for conducting thinning. The accuracy of the simulations was checked by comparing observed and predicted thinning area data. In Shimokawa municipality the thinning area was significantly smaller than in Fu

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Mohamed ARBA, Atmane ELLADI, and Hicham OUACHOUO. "Current state of ‘Majhoul’ date palm in the Tinejdad region, Tafilalet area, Morocco." International Journal of Science and Research Archive 12, no. 2 (2024): 2432–40. http://dx.doi.org/10.30574/ijsra.2024.12.2.1571.

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This research work was carried out on about twenty farms of different sizes where ‘Majhoul’ date palm is cultivated in the various oases extensions in the Tinejdad region, Tafilalet area. It focused on the cultivation practices of this variety, mainly fruit thinning which is crucial in the production of ‘Majhoul’ date palm and concerned about farmers because of its high cost as it requires skilled labor. And this in order to study the impact of this manual thinning on the production costs of ‘Majhoul’ date palm in the region and to make an alternative to this manual practice which is expensive

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3

Govedar, Zoran. "Classification of trees and the effects of thinning in the artificially established spruce stand in the area of Sokolina-Kotor Varos." Bulletin of the Faculty of Forestry, no. 96 (2007): 29–43. http://dx.doi.org/10.2298/gsf0796029g.

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The classifications of trees are mainly based on descriptive (attributive) characters and they have a great significance in thinning. In forestry practice (tree marking for felling, forest inventory, etc) in the Republic of Srpska, the most frequently applied classifications are silvicultural-technical (UT) and technical classification of trees, which are based on the knowledge of tree species, stem diameter and stem quality. In IUFRO classification, based on the silvicultural role of trees, and in UT classification, the trees are classified in three categories. The knowledge and application o

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4

Wilkinson, Matthew, Peter Crow, Edward L. Eaton, and James I. L. Morison. "Effects of management thinning on CO<sub>2</sub> exchange by a plantation oak woodland in south-eastern England." Biogeosciences 13, no. 8 (2016): 2367–78. http://dx.doi.org/10.5194/bg-13-2367-2016.

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Abstract. Forest thinning, which removes some individual trees from a forest stand at intermediate stages of the rotation, is commonly used as a silvicultural technique and is a management practice that can substantially alter both forest canopy structure and carbon storage. Whilst a proportion of the standing biomass is removed through harvested timber, thinning also removes some of the photosynthetic leaf area and introduces a large pulse of woody residue (brash) to the soil surface, which potentially can alter the balance of autotrophic and heterotrophic respiration. Using a combination of

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Wongprom, Jetsada, Somporn Maelim, Wasan Chandaeng, Sakhan Teejuntuk, Monthathip Sommeechai, and Decha Duangnamon. "EFFECT OF THINNING ON GROWTH AND WOOD PRODUCTION OF NATURALLY REGENERATED 8-YEAR-OLD ACACIA MANGIUM WILLD. PLANTATION ON ABANDONED MINING AREA, SOUTHERN THAILAND." BIOTROPIA 30, no. 3 (2023): 308–17. http://dx.doi.org/10.11598/btb.2023.30.3.1919.

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Thinning is an important practice for promoting growth and maintaining forest plantation for wood production from the remaining trees. In this study, thinning was carried out in a naturally regenerated 8-year-old Acacia mangium plot in the Phangnga Forestry Research Station. Three thinning schemes, with 175 (T1), 300 (T2) and 600 (T3) remaining trees/ha, were compared with the control (no thinning) of 831 trees/ha. The diameter at breast height (DBH) and height (H) of the trees were measured. The differences in growth, current annual increment (CAI), aboveground biomass, and stem volume (V) we

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De Bei, Roberta, Lukas Papagiannis, Sigfredo Fuentes, et al. "Shoot thinning of Semillon in a hot climate did not improve yield and berry and wine quality." OENO One 54, no. 3 (2020): 469–84. http://dx.doi.org/10.20870/oeno-one.2020.54.3.2984.

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Aim: Shoot thinning is a common canopy management practice used to obtain a desired shoot density and to improve canopy microclimate. Since thinning is often carried out manually, the cost can be high. In this study the effect of severe shoot thinning (50 % of shoots removed) applied at EL 15 was investigated by comparing yield components, canopy size, berry and wine chemistry, and sensory attributes to a non-thinned control for the variety Semillon. The objective was to determine whether shoot thinning could change canopy architecture and lead to improved fruit and wine chemistry and sensory

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7

Lull, Cristina, Ricardo Gil-Ortiz, Inmaculada Bautista, and Antonio Lidón. "Seasonal Variation and Soil Texture-Related Thinning Effects on Soil Microbial and Enzymatic Properties in a Semi-Arid Pine Forest." Forests 14, no. 8 (2023): 1674. http://dx.doi.org/10.3390/f14081674.

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Thinning is a practice that reduces competition for available soil resources, thereby promoting vegetation growth and affecting soil, which is involved in important ecosystem processes. Soil quality is directly influenced by various aspects such as ground cover, regional climate, and local microclimate, which can further be modified by forest thinning. In this study, the effect of tree thinning and climate on microbiological and enzymatic soil properties was investigated in an Aleppo pine (Pinus halepensis M.) forest more than a decade after silvicultural treatments. The treatments included we

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8

Wilkinson, M., P. Crow, E. L. Eaton, and J. I. L. Morison. "Effects of management thinning on CO<sub>2</sub> exchange by a plantation oak woodland in south-eastern England." Biogeosciences Discussions 12, no. 19 (2015): 16197–232. http://dx.doi.org/10.5194/bgd-12-16197-2015.

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Abstract. Forest thinning, which removes some individual trees from a forest stand at intermediate stages of the rotation, is commonly used as a silvicultural technique and is a management practice that can substantially alter both forest canopy structure and carbon storage. Whilst a proportion of the standing biomass is removed through harvested timber, thinning also removes some of the photosynthetic leaf area and introduces a large pulse of woody residue (brash) to the soil surface which potentially can alter the balance of autotrophic and heterotrophic respiration. Using a combination of e

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9

Rogozin, M. "Phantoms of theories of thinning forests." Bulletin of Science and Practice, no. 4 (April 15, 2017): 48–55. https://doi.org/10.5281/zenodo.546284.

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Considered long used by practice postulates: a) the tree feeding area should be optimal; b) trees should be placed evenly. The postulates formed theories that justify the need for thinning, such as thinning, which were supposed to increase the productivity of forests. However, S. N. Sennov first proved that this is not the case, and furthermore, the theories of these thinning cuttings turned out to be phantoms. The reason was in ignorance and neglect of the action of two laws: the rank growth law of trees E. L. Maslakov and the main regularity of the morphogenesis of forest stands G. S. Razin.

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10

Primicia, Irantzu, Rubén Artázcoz, Juan-Bosco Imbert, Fernando Puertas, María-del-Carmen Traver, and Federico-José Castillo. "Influence of thinning intensity and canopy type on Scots pine stand and growth dynamics in a mixed managed forest." Forest Systems 25, no. 2 (2016): e057. http://dx.doi.org/10.5424/fs/2016252-07317.

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Aim of the study: We analysed the effects of thinning intensity and canopy type on Scots pine growth and stand dynamics in a mixed Scots pine-beech forest. Area of the study: Western Pyrenees. Material and methods: Three thinning intensities were applied in 1999 (0, 20 and 30% basal area removed) and 2009 (0, 20 and 40%) on 9 plots. Within each plot, pure pine and mixed pine-beech patches are distinguished. All pine trees were inventoried in 1999, 2009 and 2014. The effects of treatments on the tree and stand structure variables (density, basal area, stand and tree volume), on the periodic ann

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Goelz, J. C. G., J. S. Meadows, and T. C. Fristoe. "Development of Water Tupelo Coppice Stands on the Mobile-Tensaw River Delta for Five Years After Precommercial Thinning and Cleaning." Southern Journal of Applied Forestry 25, no. 4 (2001): 165–72. http://dx.doi.org/10.1093/sjaf/25.4.165.

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Abstract Three 4-yr-old stands (or locations) were selected for treatment. Treatment consisted of two components: (1) thinning water tupelo (Nyssa aquatica L.) stump sprouts and (2) cutting all stems of Carolina ash (Fraxinus caroliniana Mill.) and black willow (Salix nigra Marsh.) (cleaning). Contrary to results in other areas, survival of water tupelo coppice was very high and was not affected by the treatments. Cleaning had little or no positive effect on the individual tree or stand-level variables we measured. Thinning sprout clumps significantly increased diameter growth of water tupelo;

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12

Ouyang, Jingyun, Roberta De Bei, Sigfredo Fuentes, and Cassandra Collins. "UAV and ground-based imagery analysis detects canopy structure changes after canopy management applications." OENO One 54, no. 4 (2020): 1093–103. http://dx.doi.org/10.20870/oeno-one.2020.54.4.3647.

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Aim: To analyse unmanned aerial vehicle (UAV)-based imagery to assess canopy structural changes after the application of different canopy management practices in the vineyard.Methods and results: Four different canopy management practices: i–ii) leaf removal within the bunch zone (eastern side/both eastern and western sides), iii) bunch thinning and iv) shoot trimming were applied to grapevines at veraison, in a commercial Cabernet-Sauvignon vineyard in McLaren Vale, South Australia. UAV-based imagery captures were taken: i) before the canopy treatments, ii) after the treatments and iii) at ha

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13

Chisholm, S. E., and M. L. Leonard. "Effect of forest management on a rare habitat specialist, the Bicknell's Thrush (Catharus bicknelli)." Canadian Journal of Zoology 86, no. 3 (2008): 217–23. http://dx.doi.org/10.1139/z07-131.

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Forest dwelling birds with narrow habitat preferences may be vulnerable to habitat changes from forest management. The Bicknell’s Thrush ( Catharus bicknelli (Ridgway, 1882)), a rare habitat specialist, occupies dense regenerating forest, including stands managed for timber. However, little is known of the impact of various forestry practices on Bicknell’s Thrush abundance. The purpose of our study was to determine how Bicknell’s Thrush abundance varied across the stages of a managed forest and to determine if abundance was affected by precommercial thinning, a practice that reduces stem densi

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14

Cañadas-López, Álvaro, Paul Gamboa-Trujillo, Santiago Buitrón-Garrido, Byron Medina-Torres, J. Jesús Vargas-Hernández, and Christian Wehenkel. "Thinning Levels of Laurel Natural Regeneration to Establish Traditional Agroforestry Systems, Ecuadorian Amazon Upper Basin." Forests 14, no. 4 (2023): 667. http://dx.doi.org/10.3390/f14040667.

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(1) Background: The Cordia alliodora (Ruiz & Pav.) Oken (laurel) natural regeneration management is a widespread practice among smallholders in the Amazon upper basin for the establishment of traditional agroforestry systems. This tree management approach is opposite to the development project proposals that contemplate reforestation with nursery seedlings in the Amazon region. The present study evaluated the effects of thinning levels on the diameter and basal area increment of laurel in a traditional agroforestry system; (2) Methods: A randomized complete block design with three replicat

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15

Njoka, E. M., M. M. Muraya, and M. Okumu. "Plant density and thinning regime effect on maize (Zea mays) grain and fodder yield." Australian Journal of Experimental Agriculture 44, no. 12 (2004): 1215. http://dx.doi.org/10.1071/ea03015.

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Maize (Zea mays L.) plant density is an important management practice for successful grain and forage production. The objective of this study was to determine the most suitable maize seeding and time of thinning maize as fodder in grain maize crops. Previously the focus in this area has been on grain and silage production, and consequently information on the production of fodder in grain maize crops is limited. This study therefore aims to investigate the growth of high density maize for fodder production through thinning and subsequent grain yield. A plant density experiment in randomised com

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16

Wu, Hai Lin, Shi He Qin, and Xiao Fan Du. "Optimization of Steel Liner on Spiral Case Structure for a Large Hydropower Station." Advanced Materials Research 671-674 (March 2013): 868–72. http://dx.doi.org/10.4028/www.scientific.net/amr.671-674.868.

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Traditionally, spiral case structure is classified as non-member bar reinforced concrete structure. It is improper to calculate reinforcement area according to the area of tensile stress figure, which often causes a lot of waste of reinforcement; it is particularly true for the spiral case structure with steel liner. In combination with the practice of a spiral case of the hydropower station, the different schemes are proposed by 3-D nonlinear FEM software ABAQUS to study the feasibility of thinning steel liner in this paper. It is indicated that magnitude of steel liner and the hoop reinforce

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17

Barros, André Junqueira, Priscilla de Paula Loiola, and Ricardo Augusto Gorne Viani. "Chemical Thinning and Fisheye Clip for Managing Light Intensity in the Understory of Forest Restoration." Forests 14, no. 11 (2023): 2140. http://dx.doi.org/10.3390/f14112140.

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Research highlights: Tropical forest restoration can be supported by the production of timber species in their understory. While they may appear at odds, they can be reconciled to promote environmental conservation and services. The lack of information on the management of tropical species causes a technical constraint for timber production in the understory of restoration sites, especially given the light restrictions. This issue could be amended with the development of methods to easily manage and estimate light availability, targeting management practices that balance restoration success an

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18

Liu, Yan, Yadong Liu, Shuanglei Qi, et al. "Thinning vs. Pruning: Impacts on Sap Flow Density and Water Use Efficiency in Young Populus tomentosa Plantations in Northern China." Forests 15, no. 3 (2024): 536. http://dx.doi.org/10.3390/f15030536.

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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 China. In recent years, thinning combined with pruning has become a widely used silvicultural practice for timber management. However, its effect on water utilization has been less well studied. To address this gap, we designed experiments with two thinning intensities and three pruning treatments. Thermal dissipation probes were employed to monitor

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19

Sferlazza, Sebastiano, Guglielmo Londi, Donato Salvatore La Mela Veca, Federico Guglielmo Maetzke, Salvatore Vinciguerra, and Giovanni Spampinato. "Close-to-Nature Silviculture to Maintain a Relict Population of White Oak on Etna Volcano (Sicily, Italy): Preliminary Results of a Peculiar Case Study." Plants 12, no. 10 (2023): 2053. http://dx.doi.org/10.3390/plants12102053.

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Habitat loss is a potential long-term effect of projected climate change for Mediterranean forest ecosystems. Here, we investigated the effectiveness of a close-to-nature silvicultural practice to conserve an old-growth white oak forest patch in Sicily (Italy) and promote regeneration dynamics. The study area, although small, is distinctive for its isolation, position and environmental characteristics. We conducted a Before–After Control–Impact (BACI) study to analyse the responses of different taxonomic groups (vascular plants and birds) to silvicultural treatments (selection thinning, no thi

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20

Jiří, Novák, Dušek David, Slodičák Marian, and Kacálek Dušan. "Importance of the first thinning in young mixed Norway spruce and European beech stands." Journal of Forest Science 63, No. 6 (2017): 254–62. http://dx.doi.org/10.17221/5/2017-jfs.

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Experimental results from the first thinning in mixed stands are not broadly experienced by forestry practice. To extend the experience with the thinning of a mixed stand, we studied thinned and unthinned mixtures of Norway spruce with European beech on two study sites in the Czech Republic, which represented different conditions: Všeteč (age of 19–35 years) – originally beech dominated site at 440 m a.s.l. and Deštné (age of 17–33 years) – originally spruce with beech site at 990 m a.s.l. Spruce and beech were mixed individually or in small groups. As the for number of trees, mixtures were 35

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Chung, Hoeil, and Mark A. Arnold. "Near-Infrared Spectroscopy for Monitoring Starch Hydrolysis." Applied Spectroscopy 54, no. 2 (2000): 277–83. http://dx.doi.org/10.1366/0003702001949212.

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Near-infrared (NIR) spectroscopy has been evaluated for monitoring the acid-catalyzed hydrolysis (thinning) of starch. In practice, the extent of starch hydrolysis is measured in fluidity units, which correspond to a physical property of the hydrolyzed starch material. NIR spectra of samples taken periodically during a series of starch-thinning reactions were used to predict fluidity. The standard error of prediction (SEP) was 1.06 mL with the use of partial least-squares (PLS) regression in conjunction with digital Fourier filtering. This SEP was significantly better than that reported before

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22

Green, P. Corey, Harold E. Burkhart, John W. Coulston, and Philip J. Radtke. "A novel application of small area estimation in loblolly pine forest inventory." Forestry: An International Journal of Forest Research 93, no. 3 (2019): 444–57. http://dx.doi.org/10.1093/forestry/cpz073.

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Abstract Loblolly pine (Pinus taeda L.) is one of the most widely planted tree species globally. As the reliability of estimating forest characteristics such as volume, biomass and carbon becomes more important, the necessary resources available for assessment are often insufficient to meet desired confidence levels. Small area estimation (SAE) methods were investigated for their potential to improve the precision of volume estimates in loblolly pine plantations aged 9–43. Area-level SAE models that included lidar height percentiles and stand thinning status as auxiliary information were devel

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23

Miller, Stephen S., James R. Schupp, Tara A. Baugher, and Scott D. Wolford. "Performance of Mechanical Thinners for Bloom or Green Fruit Thinning in Peaches." HortScience 46, no. 1 (2011): 43–51. http://dx.doi.org/10.21273/hortsci.46.1.43.

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Peach (Prunus persica L. Batsch) thinning is a costly and time-consuming but necessary practice to produce a crop of marketable size fruit. A number of mechanical devices and methods have been developed and evaluated to reduce the cost and time required for hand thinning peach. This report provides additional evidence that a Darwin string thinner can effectively thin peach at bloom and a spiked drum shaker can thin at bloom or at the green fruit (pit hardening) stage. Five trials were conducted over 2 years in grower orchards with trees trained to a perpendicular V system. A Darwin string thin

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Woodcock, B. A., S. R. Leather, and A. D. Watt. "Changing management in Scottish birch woodlands: a potential threat to local invertebrate biodiversity." Bulletin of Entomological Research 93, no. 2 (2003): 159–67. http://dx.doi.org/10.1079/ber2003227.

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AbstractThe silvicultural management of Scottish birch woodlands for timber production is replacing traditional low intensity management practices, such as domesticated livestock grazing. These new management practices involve thinning of existing woodlands to prescribed densities to maximize biomass and timber quality. Although presently infrequent, the wide scale adoption of this practice could affect invertebrate community diversity. The impact of these changes in management on Staphylinidae and Carabidae (Coleoptera) in 19 woodlands in Aberdeenshire, north-east Scotland was investigated. G

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K. Prabhakar, K. Venkataramanamma, B. V. P. Reddy, et al. "Assessment of Doable Technologies for enhancing the yield potentials in Sunflower (Helianthus annuus L.) under Rainfed Conditions." Ecology, Environment and Conservation 29 (2023): 126–30. http://dx.doi.org/10.53550/eec.2023.v29i02s.024.

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Cluster FLDs were organized by AICRP on sunflower scheme, Regional Agricultural Research Station, Nandyal during three consecutive years of 2018-19, 2019-20 and 2020-21 in an area of 50 ha at 66 locations. At every demonstration site improved management practices viz improved sunflower hybrid with high oil content (Prabhath), thinning at 10 days after sowing boron spray @0.2% at ray floret stage and need based plant protection measures were demonstrated against viz., farmer’s practice of sunflower cultivation. The sunflower yields under demonstration practice higher than farmer practice in all

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Carmona-Jiménez, Yolanda, Miguel Palma, Dominico A. Guillén-Sánchez, and M. Valme García-Moreno. "Study of the Cluster Thinning Grape as a Source of Phenolic Compounds and Evaluation of Its Antioxidant Potential." Biomolecules 11, no. 2 (2021): 227. http://dx.doi.org/10.3390/biom11020227.

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Thinning is a common viticulture practice in warm climates, and it is applied to increase the quality of the harvest. Thinning clusters are usually discarded, and they are considered another oenological industry waste. To valorize this by-product, the phenolic content and antioxidant activity of three red varieties (Tempranillo, Cabernet Sauvignon, and Syrah), thinned at three different times between veraison and harvest, were studied: the first at the beginning of the veraison stage, in a low ripening stage; the second in an intermediate ripening stage; and, finally, the third sampling in the

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Mohamed ARBA, Lahcen OUMOU, and Ahmed SABRI. "Fruit set in Majhoul date palm and fruit drop by chemical thinning." World Journal of Advanced Science and Technology 4, no. 1 (2023): 001–9. http://dx.doi.org/10.53346/wjast.2023.4.1.0068.

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Date palm is very cultivated in Draa-Tafilalet area (the southeastern part of Morocco). The variety diversity is rich and include commercial varieties such as ‘Majhoul’ and ‘Bouffegous’. Fruit thinning consists of reducing the fruit load of date palm in order to obtain a balance between yield and fruit quality and to avoid alternating production. Naphthalene acetic acid (NAA) spray is used on date palm to induce fruit drop. Chemical thinning with NAA has been the subject of several research studies, which have focused on the effectiveness of the operation, the doses used and the periods of its

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Milios, Elias, Kyriaki Kitikidou, and Kalliopi Radoglou. "New Silvicultural Treatments for Conifer Peri-Urban Forests Having Broadleaves in the Understory - The First Application in the Peri-Urban of Xanthi in Northeastern Greece." South-east European forestry 10, no. 2 (2019): 107–16. http://dx.doi.org/10.15177/seefor.19-16.

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Background and Purpose: In Greece, forest practice did not develop special silvicultural treatments for planted conifer peri-urban forests where broadleaf trees appear as natural regeneration in the understory. The aims of this study are: a) to analyze the new proposed selective silvicultural treatments for the planted peri-urban forest of Xanthi and for analogous planted conifer forests, where broadleaf trees are naturally established in the understory b) to check the research hypothesis that the new selective silvicultural treatments exhibited higher intensity in terms of the basal area of c

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Nagaike, Takuo. "Review of Plant Species Diversity in Managed Forests in Japan." ISRN Forestry 2012 (June 19, 2012): 1–7. http://dx.doi.org/10.5402/2012/629523.

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The effects of conifer plantation management and forest fragmentation on plant species diversity in Japan were reviewed. While most studies have demonstrated that the practice of thinning in coniferous plantations can enhance species diversity of naturally regenerated trees, such as broad-leaved trees, some have shown that thinning reduces plant species diversity through the direct physical disturbance to forests. In addition, plant species diversity in plantations has also been shown to be dependent on the distance from seed sources. Extensive forest fragmentation due to land use changes has

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Demise, Sintayo, and Aschalew Emire. "Assessment of Parkland Tree Species and Their Management Practice in Ana Sora District of Guji Zone, Southern Ethiopia." International Journal of Plant & Soil Science 36, no. 5 (2024): 1033–45. http://dx.doi.org/10.9734/ijpss/2024/v36i54669.

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The study was conducted to identify parkland tree species and their management practice by smallholder farmers in Ana Sora District of Guji Zone, Southern Ethiopia. The study was conducted by using multistage sampling methods. In the first stage one district was purposively selected based on the potential of park land tree species. Then, from the district by using simple random sampling methods two kebeles were selected and purposively from 40 farm lands an assessment of parkland tree species were conducted. In this study, 31(thirty one) tree species were identified in parklands of the study a

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VanderWeide, Joshua, Esmaeil Nasrollahiazar, Steve Schultze, Paolo Sabbatini, and Simone Diego Castellarin. "Impact of Cluster Thinning on Wine Grape Yield and Fruit Composition: A Review and Meta-Analysis." Australian Journal of Grape and Wine Research 2024 (January 24, 2024): 1–20. http://dx.doi.org/10.1155/2024/2504396.

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For wine grape producers, achieving an optimal balance between vegetative and reproductive growth is a key factor in producing high quality fruit and meeting production quotas. This balance is often measured as the leaf-area-to-yield ratio. To increase this ratio, producers often use “cluster thinning” (CT), a management practice involving a selective removal of grape clusters from vines. Despite this, no consensus has been established regarding the optimal CT timing and severity for consistently improving fruit composition. The objective of this work was to identify whether CT “timing” (bloom

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Horváth, Bálint, Viktória Tóth, Bence Bolla, Csaba Szabóky, and Csaba Béla Eötvös. "Effect of Combined Factors on Moth Communities in Western Hungarian Sessile Oak–Hornbeam Forests." Forests 15, no. 6 (2024): 896. http://dx.doi.org/10.3390/f15060896.

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The many publications on forests and moth communities accomplished in different sampling regions and habitat types have produced diverse results and conclusions. The multiplicity of outcomes requires regional or local investigations on forest traits and herbivores to determine optimal management methods to maintain biodiversity and ecological stability in woodlands. Our study focused on sessile oak–hornbeam forests, which are economically and ecologically significant in many European countries. Samplings were performed in 2011–2012 using portable light traps in a highly forested area in wester

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Kumar, Logandran Vijaya, Kursiah Mohd Razali, and Wan Hazabbah Wan Hitam. "Hydroxychloroquine retinal toxicity- Can we do better with SD-OCT?" Indian Journal of Clinical and Experimental Ophthalmology 7, no. 3 (2021): 457–65. http://dx.doi.org/10.18231/j.ijceo.2021.092.

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Hydroxychloroquine used in the management of connective tissue diseases also used to treat a wide spectrum of diseases. This disease-modifying anti-rheumatic drug can cause irreversible retinal damage and there are preferred practice guidelines for early screening to aid ophthalmologists and all those involved in the management of these patients. Spectral-Domain Optical Coherence Tomography (SD-OCT) currently an important tool in early detection of possible toxicity. Even with the current guideline-recommended 5mg/kg/day dosage, a baseline SD-OCT of the macula should be taken and repeated at 5

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Zhukova, S. I., D. Yu Samsonov, and T. V. Prozorova. "Optical coherence tomography in differential diagnosis of open-angle glaucoma and non-arteritic ischemic optical neuropathy." Russian Journal of Clinical Ophthalmology 25, Special Issue (2025): 60–66. https://doi.org/10.32364/2311-7729-2025-25-suppl-9.

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Aim: to identify markers of structural damage to the retina and optic nerve associated with glaucoma optical neuropathy (GON) and a history of non-arteritic anterior ischemic optical neuropathy (NAAION) by optical coherence tomography (OCT). Materials and Methods: 22 GON patients (age: 39–67 years) and 16 patients (age: 47–65 years) with a history of NAAION (≥6 months before the enrollment) underwent a routine ophthalmic examination by standard automated perimetry and OCT. In addition to quantitative indicators of thickness of the macular ganglion cell complex (GCC) and the peripapillary retin

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Listyanto, Tomy, and John Doland Nichols. "A Review of Relationships Between Wood Quality and Silvicultural Practices." Jurnal Ilmu Kehutanan 3, no. 2 (2009): 116. http://dx.doi.org/10.22146/jik.1513.

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The effect of silviculture on wood quality has been approached from different perspectives. This relationship is being a critical concern of forest managers, landowners, and also researchers. Reliable information is needed to support forest managers in predicting the consequences of various silvicultural practices in terms of quantity and wood quality.Wood has beed used for a variety of products. Each product has particular requirements regarding quality. The variation of wood quality requirement allows industries to decide to use timber resource appropriate for their products. Silvicultural p

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Notz, D. "Sea-ice extent provides a limited metric of model performance." Cryosphere Discussions 7, no. 3 (2013): 3095–131. http://dx.doi.org/10.5194/tcd-7-3095-2013.

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Abstract. We examine the common practice of using sea-ice extent as the primary metric to evaluate modeled sea-ice coverage. Based on this analysis, we recommend a possible best practice for model evaluation. We find that for Arctic summer sea ice, model biases in sea-ice extent can be qualitatively different compared to biases in the geophysically more meaningful sea-ice area. These differences come about by a different frequency distribution of high-concentration sea-ice: while in summer about half of the CMIP5 models and satellite retrievals based on the Bootstrap and the ASI algorithm show

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Padula, Maria Carmela, Marie Schaer, Marco Armando, et al. "Cortical morphology development in patients with 22q11.2 deletion syndrome at ultra-high risk of psychosis." Psychological Medicine 48, no. 14 (2018): 2375–83. http://dx.doi.org/10.1017/s0033291717003920.

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AbstractBackgroundPatients with 22q11.2 deletion syndrome (22q11DS) present a high risk of developing psychosis. While clinical and cognitive predictors for the conversion towards a full-blown psychotic disorder are well defined and largely used in practice, neural biomarkers do not yet exist. However, a number of investigations indicated an association between abnormalities in cortical morphology and higher symptoms severities in patients with 22q11DS. Nevertheless, few studies included homogeneous groups of patients differing in their psychotic symptoms profile.MethodsIn this study, we inclu

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Khanchoul, Kamel, Zine El Abidine Boukhrissa, and Ouafa Othmani. "Spatial pattern of soil erosion using RUSLE model and GIS software at the Saf Saf watershed, Algeria." Landscape & Environment 16, no. 1 (2022): 31–47. http://dx.doi.org/10.21120/le/16/1/3.

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Soil erosion is one of the problems threatening the Algerian environment. In agriculture, soil erosion leads to the thinning of the topsoil under the effect of the natural erosive forces of water, or under the effect of agricultural activities. The present study aims to estimate average soil loss rate and to identify vulnerable zones. Through the integration of RUSLE model at the Saf Saf watershed, various parameters are utilized such as the rainfall erosivity factor (R), soil erodibility factor (K), slope length - slope factor (LS), crop management factor (C) and practice management factor (P

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Paletto, Alessandro, Paolo Cantiani, Alessandra Lagomarsino, and Isabella De Meo. "Sustainable Forest Strategies as Natural Climate Solutions in Degraded Coniferous Forests." Acta Silvatica et Lignaria Hungarica 20, no. 1 (2024): 9–22. https://doi.org/10.37045/aslh-2024-0001.

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The present research implemented two improved forest management practices in a study area in Central Italy (Monte Morello Forest) to analyze their effects on C-sequestration and C-stock in all C pools (above-ground and below-ground biomass, deadwood, litter, and soil). It also estimated silvicultural treatment effects on two additional ecosystem services — wood production and recreational activity. A thinning from below and a selective thinning were applied in a degraded coniferous forest to increase the C-sequestration in the medium-long term. The results showed that after the two thinnings,

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Nurunnahar, M. N. S. Pitol, and A. Sharmin. "An assessment of private woodlot at Kaligonj upazilla of Jhenaidah district, Bangladesh." Bangladesh Journal of Agriculture 48, no. 1 (2023): 67–80. http://dx.doi.org/10.3329/bjagri.v48i1.61982.

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The study presents an assessment of the species selection, management technique, and socio-economic benefits of raising private woodlot plantations in Kaligonja upazila, Jhenaidah district of Bangladesh during 2016-2017. A total of 80 woodlot owners were surveyed randomly to assess the status of woodlot plantations. Major growers (55%) were middle-aged (41-55 years) and dominated by males (95%). About 90% of woodlots were rectangular in size and monoculture in species composition (70%) of which about 75% was Swietenia macrophylla. A total of 77.5% of owners has single ownership, whereas about

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Kim, Yong Il, Seongpil An, Jungwoo Huh, et al. "Effect of polymer viscosity and viscoelasticity on tooth cooling and aerosolization during dental procedures." Physics of Fluids 35, no. 2 (2023): 023112. http://dx.doi.org/10.1063/5.0136286.

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Cooling liquids used in ultrasonic scalers are aerosolized into droplets. Larger droplets splatter over dental practitioners and patients, and small aerosols become airborne, posing a health threat to people in the surrounding area if a patient is infected by viral or bacterial infections. Polyacrylic acid (PAA), polyethylene glycol (PEG), and polyvinylpyrrolidone (PVP) can efficiently cool teeth and suppress aerosolization owing to their rheological properties, with PAA being the superior viscoelastic suppressant. Although the solutions of PEG and PVP studied here are also efficient in suppre

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Klavina, Darta, Lauma Bruna, Astra Zaluma, et al. "Infection and Spread of Root Rot Caused by Heterobasidion Parviporum in Picea Abies Stands after Thinning: Case Studies on Former Pasture and Meadow Lands." Environmental Sciences Proceedings 3, no. 1 (2020): 2. http://dx.doi.org/10.3390/iecf2020-07950.

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Afforestation of former agricultural lands is a well-established practice in several countries. It is beneficial for avoiding previous-generation forest diseases and expanding forest areas. However, several biotic and abiotic risks have been reported for such stands as well as a higher risk of Heterobasidion root rot after thinning. Therefore, this study investigates the spread patterns of Heterobasidion root rot in three Picea abies (L.) Karst. Plantations established on former pasture and meadow lands and subjected to forest management practices. First of all, to get an insight into the aver

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Abebe, Hirpa, Bikila Mengistu, Wondmagegn x. Mengistu, Zerihun Dibaba, and Baca Bultuma. "Assessment and Characterization of the Traditional Parkland Agroforestry Practices in Mid and Lowlands of Bale: In the Case of Goro and Ginnir Districts." World Journal of Agricultural Science and Technology 2, no. 2 (2024): 32–45. http://dx.doi.org/10.11648/j.wjast.20240202.11.

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Agroforestry parklands are playing an important role, through trees and shrubs providing multiple products and important long-term ecological benefits. Purposive sampling methods were applied to select districts, PAs and farmers which mostly used parkland agroforestry practices. Based on information delivered from informal assessment result, formal survey was done with selected 84 HHHs (sample size) for the study purposes. Based on the existences of long lived parkland agroforestry practice and associated challenges four PAs from Ginir and Goro districts of Bale Zones were selected purposively

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Wotherspoon, Amy, Robert L. Bradley, Daniel Houle, Stéphane Tremblay, Martin Barrette, and Krista Reicis. "Mechanisms by Which Pre-Commercial Thinning Increases Black Spruce Growth in Different Climates and Soil Types." Forests 11, no. 5 (2020): 599. http://dx.doi.org/10.3390/f11050599.

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In the province of Québec (Canada), pre-commercial thinning (PCT) is a common silvicultural practice applied to young black spruce (Picea mariana (Mill.) BSP) stands. PCT removes some of the competing vegetation and smaller black spruce stems, in order to improve growth rates and reduce forest rotation intervals. It is uncertain whether this positive response in black spruce growth is primarily due to lower competition for resources or to other mechanisms, which may vary according to climate or edaphic conditions. We sampled soils and black spruce needles in PCT-treated and non-treated control

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Neill, Andrew R., and Klaus J. Puettmann. "Managing for adaptive capacity: thinning improves food availability for wildlife and insect pollinators under climate change conditions." Canadian Journal of Forest Research 43, no. 5 (2013): 428–40. http://dx.doi.org/10.1139/cjfr-2012-0345.

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A trait-based approach was developed to assess impacts of management practices on the adaptive capacity of ecosystems using impacts of overstory density and thinning on understory vegetation components related to wildlife habitat. The relationship between overstory basal area and understory vegetation for species grouped by traits that reflect food availability for wildlife (i.e., the production of flowers, fleshy fruit, and palatable leaves) was characterized in thinned and unthinned stands at seven Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) forests in western Oregon 6 years following

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Dengel, S., J. Grace, and A. MacArthur. "Transmissivity of solar radiation within a <i>Picea sitchensis</i> stand under various sky conditions." Biogeosciences 12, no. 14 (2015): 4195–207. http://dx.doi.org/10.5194/bg-12-4195-2015.

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Abstract. We tested the hypothesis that diffuse radiation from cloudy and overcast skies penetrates the canopy more effectively than direct radiation from clear skies. We compared the flux density and spectral properties of direct and diffuse radiation (around solar noon (±1 h)) above, within and below a forest stand under sunny, cloudy and overcast conditions in a thinned Sitka spruce (Picea sitchensis (Bong.) Carr.) forest (28 years old, with a leaf area index of approximately 5.2 m2 m−2). We recorded vertical profiles of radiation penetration (from 350 to 1050 nm), and we also explored the

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Stenberg, Leena, Kersti Haahti, Hannu Hökkä, et al. "Hydrology of Drained Peatland Forest: Numerical Experiment on the Role of Tree Stand Heterogeneity and Management." Forests 9, no. 10 (2018): 645. http://dx.doi.org/10.3390/f9100645.

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A prerequisite for sustainable peatland forestry is sufficiently low water table (WT) level for profitable tree production. This requires better understanding on controls and feedbacks between tree stand and its evapotranspiration, drainage network condition, climate, and WT levels. This study explores the role of spatial tree stand distribution in the spatiotemporal distribution of WT levels and site water balance. A numerical experiment was conducted by a three-dimensional (3-D) hydrological model (FLUSH) applied to a 0.5 ha peatland forest assuming (1) spatially uniform interception and tra

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Dengel, S., J. Grace, and A. MacArthur. "Transmissivity of solar radiation within a <i>Picea sitchensis</i> stand under various sky conditions." Biogeosciences Discussions 12, no. 4 (2015): 3825–53. http://dx.doi.org/10.5194/bgd-12-3825-2015.

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Abstract. We tested the hypothesis that diffuse radiation from cloudy and overcast skies penetrates the canopy more effectively than direct radiation from clear skies. We compared the flux density and spectral properties of direct and diffuse radiation (around solar noon (±1 h) above, within and below a forest stand under sunny, cloudy and overcast conditions in a thinned Sitka spruce (Picea sitchensis (Bong.) Carr.) forest (28 years old, with an leaf area index of approximately 5.2). We recorded vertical profiles of radiation penetration (from 350 to 1050 nm), and we also explored the horizon

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Zajicek, Jayne M., Susan L. Steinberg, and M. J. McFarland. "Effect of the Amount of Dormant Pruning on Growth and Water Use of Containerized Crape Myrtle (Lagerstroemia × Fauriei ‘Tuscarora’)." Journal of Environmental Horticulture 9, no. 2 (1991): 88–91. http://dx.doi.org/10.24266/0738-2898-9.2.88.

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Abstract A study was conducted to determine the effects of different dormant pruning treatments on subsequent plant development and water use of crape myrtle (Lagerstroemia × Fauriei Koehne ‘Tuscarora’) transplanted into containers. Dormant, bare-root plants were pruned to the normal practice of a 30% reduction of existing shoot length by heading back and thinning of weak branches. Plants were randomly assigned to 3 pruning treatments including: 1) control—no further pruning, 2) shoot pruned—an additional 50% reduction of remaining shoot length for a total of 65% reduction in shoot length, or

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Polito, Antonio, MC Napolitano, Francesco Bandello, and Raffaella Gortana Chiodini. "The Role of Optical Coherence Tomography (OCT) in the Diagnosis and Management of Retinal Angiomatous Proliferation (RAP) in Patients with Age-related Macular Degeneration." Annals of the Academy of Medicine, Singapore 35, no. 6 (2006): 420–24. http://dx.doi.org/10.47102/annals-acadmedsg.v35n6p420.

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Introduction: The aim of this review was to describe the use of optical coherence tomography (OCT) in the diagnosis and management of retinal angiomatous proliferation (RAP) in patients with age-related macular degeneration (AMD). Materials and Methods: We reviewed the tomographic characteristics of the eyes affected by RAP seen at our institution and imaged by OCT. Some eyes with RAP were also studied with OCT prior to and after laser treatment to determine the tomographic changes following laser photocoagulation. Results: In this preliminary report, OCT showed a typical pattern of structural

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