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Journal articles on the topic 'Common oak'

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1

Schulte, Lisa A., Erik C. Mottl, and Brian J. Palik. "The association of two invasive shrubs, common buckthorn (Rhamnus cathartica) and Tartarian honeysuckle (Lonicera tatarica), with oak communities in the midwestern United States." Canadian Journal of Forest Research 41, no. 10 (2011): 1981–92. http://dx.doi.org/10.1139/x11-112.

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Oak forests throughout North America are declining due to changes in disturbance regimes that have led to increased competition from other tree and shrub species. We evaluated associations between oak regeneration, the occurrence of two common invasive shrubs (common buckthorn ( Rhamnus cathartica L.) and Tartarian honeysuckle ( Lonicera tatarica L.)), and forest edges in oak forests in a portion of the midwestern United States where bur ( Quercus macrocarpa Michx.), red ( Quercus rubra L.), and white oak ( Quercus alba L.) were historically dominant. We found poor recruitment of oaks in compa
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2

Martinat, P. J., J. D. Solomon, and T. D. Leininger. "Survivorship, Development, and Fecundity of Buck Moth (Lepidoptera: Saturniidae) on Common Tree Species in the Gulf Coast Urban Forest." Journal of Entomological Science 32, no. 2 (1997): 192–203. http://dx.doi.org/10.18474/0749-8004-32.2.192.

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Hemileuca maia maia (Drury), the buck moth, is abundant in urban areas of the Gulf Coast region where it defoliates oaks. However, the extent to which the buck moth can survive on other tree species common in the southern urban forest has not been reported. In the laboratory, we studied the suitability and acceptability to larvae of 14 common tree species in New Orleans and determined the extent to which larvae were able to switch to species other than oak midway in their development. Larvae had greater survival, pupal weight, and fecundity, as well as reduced development time, on live oak, wa
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3

Fan, Zhaofei, Xiuli Fan, Martin A. Spetich, et al. "Developing a Stand Hazard Index for Oak Decline in Upland Oak Forests of the Ozark Highlands, Missouri." Northern Journal of Applied Forestry 28, no. 1 (2011): 19–26. http://dx.doi.org/10.1093/njaf/28.1.19.

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Abstract Black oak (Quercus velutina Lam.) and scarlet oak (Quercus coccinea Muenchh.)—two major components (44% of total stand basal area) of upland oak forests—are suffering severe decline and mortality in the Ozark Highlands, Missouri. However, factors influencing their survival (mortality) are not well understood. In this study we quantified how stand and tree-level predisposing factors are associated with survival of black and scarlet oaks. Sixteen-year monitoring data from the Missouri Ozark Forest Ecosystem Project (MOFEP) indicated that overall annual mortality of black and scarlet oak
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4

Heitzman, Eric. "Effects of Oak Decline on Species Composition in a Northern Arkansas Forest." Southern Journal of Applied Forestry 27, no. 4 (2003): 264–68. http://dx.doi.org/10.1093/sjaf/27.4.264.

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Abstract Since 1999, widespread and locally severe oak decline and mortality have occurred throughout the Ozark Mountains of northern Arkansas and southern Missouri. A contributing factor in the decline and mortality is an outbreak of the red oak borer [Enaphalodes rufulus (Haldeman) (Coleoptera: Cerambycidae)]. In northern Arkansas, a 2,150 ac mature oak forest severely affected by decline was selected as a case study to describe changes in species composition and stand structure and to assess regeneration potential of oaks and non-oak species. Mortality reduced total overstory basal area fro
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5

Samtani, Jayesh B., John B. Masiunas, and James E. Appleby. "White Oak and Northern Red Oak Leaf Injury from Exposure to Chloroacetanilide Herbicides." HortScience 45, no. 4 (2010): 696–700. http://dx.doi.org/10.21273/hortsci.45.4.696.

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Previous research by the authors found simulated acetochlor (with atrazine) and s-metolachlor drift to white oak at the leaf unfolding stage caused loss of interveinal tissues (leaf tatters). Reports of leaf tatters in the landscape and nursery settings are more common on white oak (Quercus alba L.) than on northern red oak (Quercus rubra L.). Our objectives were to determine if white and northern red oak differed in susceptibility to chloroacetanilide herbicides, if injury varied between chloroacetanilide herbicides, and if adding atrazine increased leaf injury. Two-year-old seedlings at the
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6

Carella, R. "First observation of Quercus pedunculiflora C. Koch in the Italian Peninsula." Journal of Forest Science 59, No. 3 (2013): 130–35. http://dx.doi.org/10.17221/58/2012-jfs.

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A few individuals of Grayish oak have been observed in the Low Murgia Plateau, Puglia Region. This is the first time that Quercus pedunculiflora C. Koch has been found in Italy. The territory is dominated by olive trees, where spontaneous vegetation occurs only in residual patches in particular along an important old dry erosion stream, Lama Lamasinata. Individuals of Grayish oak are located along a rural road and in a closed abandoned park which is in the vicinity of Lama Lamasinata, near Balsignano, one of the most important archaeological sites of the Low Murgia Plateau. In the area other d
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7

Groninger, John W., and Michael A. Long. "Oak Ecosystem Management Considerations for Central Hardwoods Stands Arising from Silvicultural Clearcutting." Northern Journal of Applied Forestry 25, no. 4 (2008): 173–79. http://dx.doi.org/10.1093/njaf/25.4.173.

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Abstract Silvicultural clearcutting was widely used during the late 20th century to regenerate stands on upland sites and achieve timber production objectives within the central hardwood region. As these even-aged stands develop, silvicultural guidelines are needed to address newer management objectives emphasizing oak ecosystem maintenance. The US Forest Service Common Stand Exam procedure (Common Stand Exam Users Guide, 2003, Ver. 1.5.1, US Forest Service, Washington, DC, 87 p.) was modified to assess stand stocking, composition, oak (Quercus) competitive status, and other emerging managemen
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8

Rodewald, Amanda D., and Marc D. Abrams. "Floristics and Avian Community Structure: Implications for Regional Changes in Eastern Forest Composition." Forest Science 48, no. 2 (2002): 267–72. http://dx.doi.org/10.1093/forestscience/48.2.267.

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Abstract Because many forest stands are increasingly dominated by maple (Acer spp.) in eastern North America, there will likely be a relative scarcity of mature oak (Quercus spp.) forests within the next several decades. In an effort to understand how avian communities may be affected by a regional change in forest composition from oak to maple dominance, we compared bird communities in both oak- and maple-dominated forest stands in three seasons (winter, spring, and fall). In 1998 and 1999, birds were surveyed and habitat characteristics were measured in six mature forest woodlots in central
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9

Крюкова, S. Kryukova, Ширнин, and Viktor Shirnin. "Oakwood and plus trees common oakfruiting." Forestry Engineering Journal 6, no. 2 (2017): 22–30. http://dx.doi.org/10.12737/19950.

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The objects of research were the groves of the Central Chernozem and plus trees selected in them. Oakwood in the re-gion has long been intensively exploited, their area reduced by 2-3 times, and the gene pool is severely malnourished. Restor-ing oak occurs very difficult with large omissions and economic costs. The main reason is the lack or total absence of acorns high quality selection. Research is devoted to the knowledge of the regularity and fruiting oak plus trees.
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10

Heitzman, Eric, and Adrian Grell. "Planting Oaks in Group Selection Openings on Upland Sites: Two Case Studies from Arkansas." Southern Journal of Applied Forestry 30, no. 3 (2006): 117–22. http://dx.doi.org/10.1093/sjaf/30.3.117.

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Abstract Two upland sites in Arkansas were studied to test the performance of 1-0 northern red oak (Quercus rubra L.) and white oak (Quercus alba L.) seedlings planted in group selection openings. Both red and white oak seedlings were planted at one location in the Ozark Mountains,and only red oak seedlings were planted at a second site along Crowleys Ridge. Holes were dug with power augers and seedlings were planted by hand. At the time of planting, the mean height of red oak and white oak seedlings at the Ozark site were 3.4 and 1.9 ft, respectively. Red oak seedlingsat Crowleys Ridge averag
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11

Batos, Branislava, Danijela Miljkovic, and Jelena Ninic-Todorovic. "Length of vegetation period as parameter of common oak (Quercus robur L.) phenological variability." Genetika 44, no. 1 (2012): 139–52. http://dx.doi.org/10.2298/gensr1201139b.

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Paper presents results for length of vegetation period as factor in common oak?s (Quercus robur L.) phenological variability. Trees in two common oaks populations on two locations in area of Belgrade were researched. Average length of vegetation period on site Ada Ciganlija is 166 days, while in location Bojcinska suma is 179 days. Regarding that populations are in similar environmental and habitual conditions, differences in results should be treated as consequence of common oaks intra-specific variability and genetic structure of population. Significant differences in three consecutive years
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12

Dumitrascu, Adela-Eliza, Emilia-Adela Salca, Laurentiu Aurel Mihail, Valentina Doina Ciobanu, and Elena-Camelia Musat. "Inferential statistics of Quercus species in veneer cutting." BioResources 13, no. 3 (2018): 6766–77. http://dx.doi.org/10.15376/biores.13.3.6766-6777.

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Quercus species represent 18% of the total forest area in Romania, of which 2% refers to common oak and 10.5% refers to sessile oak. These species are of special importance for Romanian silviculture due to their value in multiple industrial uses. The finest and most efficient use of valuable timber is wood veneer. This paper presents a comparative analysis of the efficiency in veneer cutting for two Quercus species, common oak and sessile oak, originating from the Snagov area in Romania. The statistical parameters of veneer efficiency were estimated with high accuracy by using the least square
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13

Ponomarenko, O. L., and M. V. Shulman. "Influence of seasonal climatic factors on the dynamics of birds interactions with oaks consortia." Ecology and Noospherology 30, no. 2 (2019): 85–94. http://dx.doi.org/10.15421/031915.

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The article is devoted to the bird communities in individual oak consortia (Quercus robur L.) of the linden-ash oak forests. This work material was collected during different seasons of the 2004–2010 years in a linden-ash oak grove on the test plot No. 209 of the ecological profile of the NSC «Bel'gard Prisamar`e International Biospheric stationary», Novomoskovsk district, Dnepropetrovsk region. The individual consortia of 281 examples of three age conditions oak trees (virgins – virg, young generative – gl, mature and old generative individuals – g2–g3) has been investigated. The daily time b
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14

Bobinac, M., Branislava Batos, Danijela Miljkovic, and Stojanka Radulovic. "Polycyclism and phenological variability in the common oak (Quercus robur L.)." Archives of Biological Sciences 64, no. 1 (2012): 97–105. http://dx.doi.org/10.2298/abs1201097b.

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Polycyclism is the ability for a plant to produce several flushes in the same growing season. The rare phenomenon of common oak (Quercus robur L.) summer flowering is proof of complex polycyclism. Common oak summer flowering and the unusual transformation of inflorescences were the starting point for this study of the phenological variability of common oak trees in identical site conditions. This paper presents comparative research of leaf flushing, flowering, and leaf fall phenophases in a common oak with summer flowering and a control tree in which this phenomenon was not observed. Both tree
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15

Milanovic, Slobodan. "Preference and performance of the gypsy moth cater­pillars on sweet chestnut and some oak species." Bulletin of the Faculty of Forestry, no. 101 (2010): 113–24. http://dx.doi.org/10.2298/gsf1001113m.

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In the establishment of mixed plantations, it is necessary to examine previously the relations of the principal and the admixed species and the most significant pests. This paper presents the results of the study of the gypsy moth caterpillar preference and performance on sweet chestnut and four oak species. Preference index is the highest for Hungarian oak (0.83) and Turkey oak (0.77), for sessile oak it is significantly lower (0.33), and for common oak it is equal to 0. In combination with sweet chestnut, the gypsy moth second-instar caterpillars prefer Hungarian oak, i.e. Turkey oak leaves.
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16

Meshkova, Valentyna, Serhii Nazarenko, and Oleksandr Glod. "The first data on the study of Corythucha arcuata (Say, 1832) (Heteroptera: Tingidae) in Kherson region of Ukraine." Наукові праці Лісівничої академії наук України, no. 21 (December 28, 2020): 30–38. http://dx.doi.org/10.15421/412023.

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Oak lace bug (OLB) Corythucha arcuata (Say, 1832) (Heteroptera: Tingidae) is native to North America. In 2000 it got to Italy and has spread for recent 20 years in many countries in Europe. In 2017 OLB first registered in Kherson region of Ukraine. The aim of the research was to summarize the first data on oak lace bug spread in Ukraine. The studies were carried out in 2020 at 31 sample plots in the south-western part of the Kherson region (46°10 ' to 47°21' N, 32°10' to 33°05' E). The sample plots were located in forest stands, shelterbelts, and oaks in cities. The age of inspected stands is
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17

Taziev, I. R., A. R. Mukhametshina, G. A. Petrova, and N. M. Tazmeev. "Application efficiency of «Azorro, KS» fungicide in growing common oak seedlings in open and protected ground." FORESTRY BULLETIN 27, no. 1 (2023): 53–59. http://dx.doi.org/10.18698/2542-1468-2023-1-53-59.

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Nowadays the problem of oak forests degradation is topical today in the Republic of Tatarstan, where large woods are formed and are considered to be the most valuable. The area of oak plantations decreases every year due to damage caused by frosts in 1978–1979, therefore, with the oak dying, the areas of aspen, linden and birch plantations increase. The oak forests regeneration is connected with the cultivation of healthy planting material in the nurseries of the region. The article is devoted to the study of the fungicide «Azorro, KS» efficiency in the cultivation of common oak seedlings in o
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18

Murphy, S. K., and D. M. Rizzo. "First Report of Phytophthora ramorum on Canyon Live Oak in California." Plant Disease 87, no. 3 (2003): 315. http://dx.doi.org/10.1094/pdis.2003.87.3.315c.

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During August 2002, Phytophthora ramorum S. Werres & A.W.A.M. de Cock was isolated from branches <2.0 cm in diameter on a canyon live oak (Quercus chrysolepis) in Mt. Tamalpais State Park, Marin County, CA. The shrub was a cluster of stems <1 m in diameter and 1 m high. Similar cankers were observed on small branches of adjacent canyon live oaks and there was dieback of the branches distal to the lesions. Many tanoak (Lithocarpus densiflorus), California bay laurel (Umbellularia californica), and evergreen huckleberry (Vaccinium ovatum) were also infected by P. ramorum at this site.
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19

Konatowska, Monika, Adam Młynarczyk, Paweł Rutkowski, and Krzysztof Kujawa. "Impact of Site Conditions on Quercus robur and Quercus petraea Growth and Distribution Under Global Climate Change." Remote Sensing 16, no. 21 (2024): 4094. http://dx.doi.org/10.3390/rs16214094.

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Climate change has significant natural and economic implications, but its extent is particularly challenging to assess in forest management, a field which combines both of the previous aspects and requires the evaluation of the impact of climate change on tree species over a 100-year timeframe. Oaks are among the tree species of significant natural and economic value in Europe. Therefore, the aim of this study was to analyze all oak stands in Poland and verify the hypothesis regarding differences between Quercus robur and Quercus petraea stands in terms of soil type, annual total precipitation
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20

Gould, P. J., S. Fei, and K. C. Steiner. "Modeling sprout-origin oak regeneration in the central Appalachians." Canadian Journal of Forest Research 37, no. 1 (2007): 170–77. http://dx.doi.org/10.1139/x06-206.

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We describe the development of individual-tree models to estimate, before overstory removal, the contribution of common central Appalachian oak species (northern red oak (Quercus rubra L.), black oak (Quercus velutina Lam.), chestnut oak (Quercus montana Willd.), and white oak (Quercus alba L.)) to stand stocking in the third decade (20–30 years) after harvest. The models incorporate three aspects of sprout-group development: (1) the initial sprouting of overstory oaks (≥5 cm DBH) following cutting, (2) sprout-group survival, and (3) sprout-group size at the end of the regeneration period. Log
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21

Rađević, Vid, Predrag Pap, and Verica Vasić. "Management of the common oak forests in Ravni Srem: Yesterday, today, tomorrow." Topola, no. 206 (2020): 41–52. http://dx.doi.org/10.5937/topola2006041r.

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The paper shows a historical overview of the common oak forest management in Ravni Srem from the end of the 19th century to the present. Particular attention is paid on various ways of regeneration, tending and protection measures of these forests in the past and present and proposed the directions for the common oak forests regeneration in the future.
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22

Bernstein, David I., Peter A. Würtzen, Lawrence DuBuske, et al. "Allergy to oak pollen in North America." Allergy and Asthma Proceedings 42, no. 1 (2021): 43–54. http://dx.doi.org/10.2500/aap.2021.42.200089.

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Background: Oak pollen is an important allergen in North America. The genus Quercus (oak) belongs to the family Fagaceae under the order Fagales. Objective: The objective of this article was to narratively review the oak pollen season, clinical and epidemiologic aspects of allergy to oak pollen, oak taxonomy, and oak allergen cross-reactivity, with a focus on the North American perspective. Methods: A PubMed literature review (no limits) was conducted. Publications related to oak pollen, oak-related allergic rhinitis with or without conjunctivitis, and oak-related allergic asthma were selected
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Gagić-Serdar, Renata, Miroslava Marković, Goran Češljar, et al. "Most common species of defoliating insects of broadleaved forests: ICP level I monitoring in 2021." Sustainable Forestry: Collection, no. 83-84 (2021): 79–92. http://dx.doi.org/10.5937/sustfor2183079g.

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In order to make conclusions related to the selection of the most appropriate improvement measures, it is necessary to define the condition of forests through monitoring their health state. ICP for Forests Monitoring deals with human factors (mainly air pollution) and biotic factors that impair vitality and hinder the development of forest ecosystems in Europe and Serbia. Since broadleaved forests experience stronger attacks of plant diseases and pests, they have more severe defoliation. Beech is the most common broadleaved species at the ICP sample plots in Serbia. It is followed by oak speci
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Kolics, Balázs, and Előd Kondorosy. "Data on the Coleoptera, Heteroptera and Homoptera fauna of the common oak (Quercus robur)." Natura Somogyiensis, no. 10 (2007): 153­—156. http://dx.doi.org/10.24394/natsom.2007.10.153.

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Results of investigations in Somogy county on the insect fauna on common oak in 2005­2006 are presented. Three fields of collection were visited in 2 weeks periods. 13 new herbivorous species were found, potentially feeding on common oak. Amongst these rare species were found, especially in the family of Tenebrionidae.
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Chykailo, Y. I., and I. M. Voloshin. "Ecological-geographical analysis of vegetation of near-roads zones of transport corridor Lviv–Krakovets." Ecology and Noospherology 25, no. 3-4 (2014): 14–23. http://dx.doi.org/10.15421/031416.

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In the article, the eco-geochemical analysis of flora on roadside areas of highway M-10 Lviv-Krakovets is made. In the foliage of following tree species Common hornbeam (Carpinus betulus L.), English oak (Quercus robur L.), Common beech (Fagus sylvatica L.), Common ash (Fraxinus excelsior L.), Scots pine (Pinus sylvestris L.), Norway spruce (Picea abies L.), using atomic-absorption methods, there were revealed such heavy metals as Pb, Zn, Co, Cu, Ni, Mo, Cr, Mn, V, Ba, Sr, Zr, Fe, Ti, Sn. The analysis of literary sources by Voloshyn, Sobechko, Bessonova and ours investigations reveals that in
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Bandte, Martina, Marius Rehanek, Bertram Leder, Susanne von Bargen, and Carmen Büttner. "Identification of an Emaravirus in a Common Oak (Quercus robur L.) Conservation Seed Orchard in Germany: Implications for Oak Health." Forests 11, no. 11 (2020): 1174. http://dx.doi.org/10.3390/f11111174.

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We observed the health status of oak trees in a conservation seed orchard for over twenty years, focusing on characteristic virus-suspected symptoms. The orchard was established in 1992 in Kreuztal, North Rhine-Westphalia (Germany) with 1302 seedlings in 186 clusters. The number of seedlings showing chlorotic ringspots and mottle on leaves has fluctuated annually, but has increased from 3.3% to 12.1% in the last 20 years; the number of affected clusters has risen from 8% to 25.9%. A scientific breakthrough was the identification of a novel virus related to members of the genus Emaravirus in di
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Milijasevic, Tanja, and Dragan Karadzic. "The most significant fungi: Agents of wood decay in oak forests of Serbia." Bulletin of the Faculty of Forestry, no. 95 (2007): 95–107. http://dx.doi.org/10.2298/gsf0795095m.

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The most widely distributed oak species in Serbia are Q. petrea (sessile oak), Q. cerris (Turkey oak) and Q. frainetto (Hungarian oak) and Quercus robur (common oak), and lignicolous fungi are the major agents of wood decay in natural and coppice oak forests. In this research, 33 species of fungi were identified. Eleven species were described, among which the most significant are: Armillaria mellea, Fomes fomentarius, Hypoxylon deustum Laetiporus sulphureus, Lenzites quercina and Phellinus robustus. This paper presents the morphological characteristics of the most significant identified fungi,
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Andersson, Thomas. "Influence of stemflow and throughfall from common oak (Quercusrobur) on soil chemistry and vegetation patterns." Canadian Journal of Forest Research 21, no. 6 (1991): 917–24. http://dx.doi.org/10.1139/x91-127.

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Vernal herb vegetation patterns and soil chemistry beneath common oak (Quercusrobur L.) on a former sea bottom with occurrences of calcareous clay on the Swedish west coast were investigated in relation to nutrient addition from bark, stemflow, and throughfall. Nutrient input from bark litter played a negligible role in differentiating soil nutrient and vegetation gradients. Instead, nutrient addition via stemflow seemed to be the main reason for considerably higher pH and calcium content near the stems, and for an altered herb composition, mainly consisting of Mercurialisperennis L. and Hepat
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Holuša, Jaroslav, Tomáš Fiala, and Jiří Foit. "Ambrosia Beetles Prefer Closed Canopies: A Case Study in Oak Forests in Central Europe." Forests 12, no. 9 (2021): 1223. http://dx.doi.org/10.3390/f12091223.

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Research Highlights: The percentage of canopy closure was found to be the main factor associated with ambrosia beetle abundance and species richness. The latter two variables increased as canopy closure increased, probably because a high percentage of canopy closure provides a stable and humid environment suitable for the growth of ambrosia fungi. Objectives: Oak is a common host tree for ambrosia beetles (Coleoptera: Curculionidae: Scolytinae), which have independently evolved a nutritional mutualism with fungi. We suspected that ambrosia beetles might have specific habitat preferences that a
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Pevalek-Kozlina, B. "CLONAL PROPAGATION OF COMMON OAK (QUERCUS ROBUR L.)." Acta Horticulturae, no. 289 (April 1991): 143–44. http://dx.doi.org/10.17660/actahortic.1991.289.35.

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Kwaśna, Hanna. "Microfungi in the soil beneath common oak and their effect on Armillaria occurrence." Acta Mycologica 38, no. 1-2 (2014): 149–60. http://dx.doi.org/10.5586/am.2003.016.

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Microfungal assemblages in a soil beneath 30- and 50·year-old oaks and their 2-year-old stumps were studied using the soil dilution plate method. A total of 98 culturable microfungi were isolated. Compared to the living oaks before felling and the control living oaks, the density of <i>Mortierella macrocystis, Penicillium jonczewskii, Pseudogymnoascus roseus Sporothrix schenckii, Tolypoccladiumum inflatum</i> and <i>Umbelopsis vinacea</i> sigificantly inacased in the soil beneath slumps in the 32- and 52-year-old stands. Density of <i>Aspergillus kanagawaensis, Mo
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Kozhagalieva, R., та Zh. Nuralieva. "BIOLOGICAL FEATURES OF THE GROWTH AND DEVELOPMENT OF СOMMON OAK IN THE CLAY SEMIDESERT OF ZHANIBEK STATION". POLISH JOURNAL OF SCIENCE, № 50 (17 травня 2022): 14–17. https://doi.org/10.5281/zenodo.6557410.

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The hospital is located in the West Kazakhstan, Zhanibek district. According to Kazakhstani scientists, this stationary is unprecedented, non-alternative. Therefore, it is of great scientific importance. More than 200 species of trees and shrubs grow on this territory: birch, pine, fir, common oak, dogrose, Aspen. Due to the failure of forestry, forest conservation and fire prevention measures, as well as effective research work, the current state of the station worsened, species of growing plants did not reach 100. Particular attention was paid to prevention of decline in the number of oaks,
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33

Rehanek, Marius, Susanne von Bargen, Martina Bandte, David G. Karlin, and Carmen Büttner. "A novel emaravirus comprising five RNA segments is associated with ringspot disease in oak." Archives of Virology 166, no. 3 (2021): 987–90. http://dx.doi.org/10.1007/s00705-021-04955-w.

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AbstractWe report the complete nucleotide sequence of the genome of a novel virus in ringspot-diseased common oak (Quercus robur L.). The newly identified pathogen is associated with leaf symptoms such as mottle, chlorotic spots and ringspots on diseased trees. High-throughput sequencing (HTS, Illumina RNASeq) was used to explore the virome of a ringspot-diseased oak that had chlorotic ringspots of suspected viral origin on leaves for several years. Bioinformatic analysis of the HTS dataset followed by RT-PCR enabled us to determine complete sequences of four RNA genome segments of a novel vir
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Marozas, Vitas, Lina Straigyte, and Janina Sepetiene. "Comparative Analysis Of Alien Red Oak (Quearcus Rubra L.) And Native Common Oak (Quercus Robur L.) Vegetation In Lithuania." Acta Biologica Universitatis Daugavpiliensis 9, no. 1 (2009): 19–24. https://doi.org/10.5281/zenodo.12645841.

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Marozas, Vitas, Straigyte, Lina, Sepetiene, Janina (2009): Comparative Analysis Of Alien Red Oak (Quearcus Rubra L.) And Native Common Oak (Quercus Robur L.) Vegetation In Lithuania. Acta Biologica Universitatis Daugavpiliensis 9 (1): 19-24, DOI: 10.5281/zenodo.12645841
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Ertaş, Aytekin, and Muhammed Ali Aydın. "The Effects Of The First Thinning On Stand Structure In Oak and Hornbeam Mixed Stands." Düzce Üniversitesi Orman Fakültesi Ormancılık Dergisi 21, no. 1 (2025): 425–41. https://doi.org/10.58816/duzceod.1606680.

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This study, conducted in Istanbul's Belgrad Forest, examines the effects of thinning on stand dynamics. In 2017, a moderate to heavy thinning intervention was implemented in a mixed stand of sessile oak (Quercus petraea) and common hornbeam (Carpinus betulus). Changes in diameter and basal area increments, stand stratification, and vitality (health condition) were analyzed over a two-year period following the intervention. The study employed a randomized design with control and treatment groups. During thinning, 0% (control) and 15–20% (moderate) of the basal area were removed from the stand.
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Gould, P. J., K. C. Steiner, M. E. McDill, and J. C. Finley. "Modeling seed-origin oak regeneration in the central Appalachians." Canadian Journal of Forest Research 36, no. 4 (2006): 833–44. http://dx.doi.org/10.1139/x05-291.

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We describe the development of a model to quantify seed-origin oak regeneration potential in advance of complete overstory removal in central Appalachian oak stands. The model was developed using a "top-down" modeling approach that differs significantly from the approaches used to develop similar models for other regions. The modeling approach was designed to take advantage of the best data available for the region. A stand-level model was first fit using a long-term data set from Pennsylvania that was developed, in part, from operational data collected through the course of timber sales. The
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Kulbanska, Ivanna, Marina Shvets, Anatoliy Goychuk, et al. "Phytopathogenic Bacteria Associated with Bacterioses of Common Oak (Quercus robur L.) in Ukraine." Forests 14, no. 1 (2022): 14. http://dx.doi.org/10.3390/f14010014.

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Studying the biological characteristics of the causative agents of bacteriosis of the common oak (Quercus robur L.) (to highlight the links between the key factors of pathogenesis and bacterial groups) is a new and relevant area of research. This work aims to identify the species composition of phytopathogenic bacteria associated with common oak bacteriosis and to study the morphological, cultural, and biochemical properties of pathogens. To establish the general phytosanitary state of the surveyed stands, classical forest inventory and phytopathological (visual on based on typical symptoms of
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Oswald, Brian P., R. R. Botting, Dean W. Coble, and Ken W. Farrish. "Aboveground Biomass Estimation for Three Common Woody Species in the Post Oak Savannah of Texas." Southern Journal of Applied Forestry 34, no. 2 (2010): 91–94. http://dx.doi.org/10.1093/sjaf/34.2.91.

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Abstract The post oak savannah of Texas contains many shrubs and trees species that lack standing biomass estimation. Nondestructive biomass prediction equations for dry weight (g) and fuel size classes (to accurately assess fuels hazards and potential fire behavior) were determined for post oak (Quercus stellata Wangenh.), eastern redcedar (Juniperus virginiana L.), and gum bumelia (Sideroxylon lanuginosum Michx. subsp. oblongifolium [Nutt] T.D. Penn) using basal diameter, height, and crown area. Five models (full model, full log model, combined variable model, logarithmic model, and combined
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Pretzsch, Hans, and Peter Biber. "A Re-Evaluation of Reineke's Rule and Stand Density Index." Forest Science 51, no. 4 (2005): 304–20. http://dx.doi.org/10.1093/forestscience/51.4.304.

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Abstract The self-thinning rule established by Reineke in 1933, N α d−1.605 (N, d = number of stems and quadratic mean diameter, respectively) assumes the same allometric relationship between size and density for a wide spectrum of species under self-thinning conditions. We re-evaluate this rule based on 28 fully stocked pure stands of common beech (Fagus sylvatica L.), Norway spruce (Picea abies [L.] Karst.), Scots pine (Pinus sylvestris L.), and common oak (Quercus petraea [Mattuschka] Liebl.) in Germany that date back to the year 1870. OLS regression of the model ln(N) = a + b · ln(d) resul
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Knapp, Benjamin O., Samantha E. Anderson, Patrick J. Curtin, Casey Ghilardi, and Robert G. Rives. "Can Clearcutting Reset Successional Trajectories in Upland Oak–Hickory Forests? A Case Study from Mid-Missouri." Journal of Forestry 117, no. 5 (2019): 435–42. http://dx.doi.org/10.1093/jofore/fvz041.

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Abstract Securing oak regeneration is a common management challenge in the central and eastern United States. We quantified the abundance of tree species groups in clearcuts in mid-Missouri more than 30 years following harvest to determine differences in species dominance based on aspect (exposed, protected, or ridge sites). Each tree was classified as “dominant” or “suppressed” based on its relative contribution to cumulative stand stocking, following concepts of the tree–area relation. Although maples or understory species were the most abundant across all sites, oaks and hickories contribut
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Bakaneva, Anna A. "Germination of acorns and growth of one-year common oak seedlings in conditions of the Volga-Akhtuba floodplain, Astrakhan region." RUDN Journal of Agronomy and Animal Industries 17, no. 3 (2022): 350–59. http://dx.doi.org/10.22363/2312-797x-2022-17-3-350-359.

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Seed germination and development of common oak ( Quercus robur L.) during the first year of growing under conditions of the Volga-Akhtuba floodplain, Astrakhan region, were studied in the research. Currently, the floodplain forests of the Astrakhan region are experiencing a very high load from the grazing of farm animals and wild tourism. Therefore, it is necessary to restore degraded forest phytocenoses to increase species diversity. The aim of the study was to study the effect of flooding duration on oak germination of in the soil and climatic conditions of the Volga-Akhtuba floodplain in th
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Cvjeticanin, Rade, Olivera Kosanin, Milun Krstic, Marko Perovic, and Marijana Novakovic-Vukovic. "Phytocenological and edaphic characteristics of sessile oak forests on Miroc Mt in northeastern Serbia." Bulletin of the Faculty of Forestry, no. 107 (2013): 27–55. http://dx.doi.org/10.2298/gsf120425001c.

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This research was carried out in natural stands of sessile oak (Quercus petraea agg. Ehrendorfer 1967) on Miroc mountain. Three comunities were investigated: Pure sessile oak forest (Quercetum montanum Cer. et Jov. 1953. s.l.), sessile oak-common hornbeam forest (Querco-Carpinetum moesiacum Rud. 1949. s.l.) and sessile oak-balkan beech forest (Querco-Fagetum Glis. 1971). Pure sessile oak forests are found on the following soils: dystric ranker and acid cambic soil on sandstone, dystric ranker and acid cambisols on phyllite, and acid cambic soil on schists. Sessile oak-hornbeam forests grow on
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Carmona Uzcategui, Marly G., R. Daniel Seale, and Frederico José Nistal França. "Physical and mechanical properties of clear wood from red oak and white oak." BioResources 15, no. 3 (2020): 4960–71. http://dx.doi.org/10.15376/biores.15.3.4960-4971.

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Red oak and white oak are common names of species that grow in the eastern United States with great economic importance. This study aimed to evaluate the visual, physical, and mechanical properties of small clear wood specimens of red oak (Quercus spp.) and white oak (Quercus spp.). The experiments were carried out on defect-free specimens extracted from boards supplied by the Stairbuilders Manufacturers Association (SMA) members. The material was obtained from sawmills located in the eastern half of the United States. A total of 181 boards (90 boards of red oak and 91 boards of white oak) wer
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Mühlethaler, Urs, Yvonne Reisner, and Nele Rogiers. "Potenzielle Eichenwuchsgebiete und aktuelle Eichenmischwälder der Schweiz | Potential oak sites and actual mixed oak forests in Switzerland." Schweizerische Zeitschrift fur Forstwesen 159, no. 5 (2008): 103–11. http://dx.doi.org/10.3188/szf.2008.0103.

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On behalf of the Federal Office for the Environment (FOEN), the Swiss College for Agriculture established the basis to foster oak species in Switzerland. For this, the growth areas of three oak species, common oak (Quercus robur), sessile oak (Q. petraea) and pubescent oak (Q. pubescens) were assessed throughout the entire country. The assessment was based on their physiological potential, their natural growth area and on the appearance of the middle spotted woodpecker. In addition, the older mixed oak stands were surveyed. These fundamental data were collected with a geographical information
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Gailing, Oliver, and Ruhua Zhang. "Experimental evidence for selection against hybrids between two interfertile red oak species." Silvae Genetica 67, no. 1 (2018): 106–10. http://dx.doi.org/10.2478/sg-2018-0015.

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Abstract Reproductive isolation between related oak species within one taxonomic section is incomplete. Even though pre- and post­zygotic isolation mechanisms have been described for interfer­tile oak species, natural hybridization is common in contact zones between related oaks. The apparent restriction of inter­specific hybrids between ecologically divergent species to intermediate environments in contact zones suggests postzy­gotic isolation via environmental selection against hybrids in parental environments. Overrepresentation of hybrids in seeds as compared to adult trees provides additi
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Martin, Nicholas, Arthur Chappelka, Edward Loewenstein, Gary Keever, and Greg Somers. "Predictive Open-grown Crown Width Equations for Three Oak Species Planted in a Southern Urban Locale." Arboriculture & Urban Forestry 38, no. 2 (2012): 58–63. http://dx.doi.org/10.48044/jauf.2012.010.

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Models that predict ecosystem services in urban areas are useful tools to urban forest managers. Predictive open-grown crown width equations were developed for three oak species common in urban forests in the southern United States. Tree crown form is an important component of these equations; however, there are few predictive equations available for urban, open-grown trees. The species used were Quercus lyrata Walt. (overcup oak), Quercus nuttallii Palmer (Nuttall oak), and Quercus phellos L. (willow oak). The study authors believe that these are the first predictive open-grown crown width eq
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Jansone, Diāna, Agnese Anta Liepiņa, Ilze Barone, Didzis Elferts, Zane Lībiete, and Roberts Matisons. "The Older, the Richer? A Comparative Study of Tree-Related Microhabitats and Epiphytes on Champion and Planted Mature Oaks." Diversity 17, no. 7 (2025): 484. https://doi.org/10.3390/d17070484.

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The common oak (Quercus robur L.), though ecologically important and long-lived, has declined in Northern Europe due to historical land use and conifer-dominated forestry. In Latvia, where its distribution is limited, oaks support a rich biodiversity through features like tree-related microhabitats (TreMs) and diverse epiphytic communities. This study compared TreM and epiphyte diversity between planted mature oaks and relict champion oak trees across 16 forest stands. Epiphyte species were recorded using fixed-area frames on tree trunks, and TreMs were categorized following a hierarchical typ
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Seddaiu, Salvatore, Andrea Brandano, Pino Angelo Ruiu, Clizia Sechi, and Bruno Scanu. "An Overview of Phytophthora Species Inhabiting Declining Quercus suber Stands in Sardinia (Italy)." Forests 11, no. 9 (2020): 971. http://dx.doi.org/10.3390/f11090971.

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Cork oak forests are of immense importance in terms of economic, cultural, and ecological value in the Mediterranean regions. Since the beginning of the 20th century, these forests ecosystems have been threatened by several factors, including human intervention, climate change, wildfires, pathogens, and pests. Several studies have demonstrated the primary role of the oomycete Phytophthora cinnamomi Ronds in the widespread decline of cork oaks in Portugal, Spain, southern France, and Italy, although other congeneric species have also been occasionally associated. Between 2015 and 2019, independ
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Shirnin, Viktor, and S. Kryukova. "Modeling the perfect grade common oak high quality wood." Актуальные направления научных исследований XXI века: теория и практика 3, no. 9 (2015): 396–400. http://dx.doi.org/10.12737/16954.

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Stajic, Branko, Milivoj Vuckovic, and Zivan Janjatovic. "Dendrochronological research in an artificially established sessile oak stand in the area of Fruska Gora." Bulletin of the Faculty of Forestry, no. 109 (2014): 149–68. http://dx.doi.org/10.2298/gsf1409149s.

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This paper presents the first regional research of the chronologies of sessile oak trees and definition of the local (master) chronology of sessile oak in the area of Fruska Gora. In addition, the aim of this study is to determine the strength of the common signal in the growth of sessile oak and its dendroclimatological potential under the given conditions. The quality of the local series of radial increment (chronology) and the strength of the common and climatic signals were evaluated using the following parameters: average mean sensitivity, expressed population signal, signal-to-noise rati
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