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... Elaeocarpus sylvestris var. ellipticus (ES), a plant that grows in Taiwan, Japan, and Jeju Island in Korea. ES root bark, known as “sanduyoung,” has long been used in traditional oriental medicine. ES is also traditionally used to treat anxiety, asthma, arthritis, stress, depression, palpitation, nerve pain, epilepsy, migraine, hypertension, liver diseases, diabetes, and malaria. However, lack of ...
... Aromia bungii (Coleoptera: Cerambycidae) is an economically important wood-boring insect pest of stone fruit trees, particularly Prunus persica, in China. It has entered Japan and several European countries as an invasive species in recent years. It is difficult to control because of the cryptic feeding behaviour of larvae beneath the bark. Identification of repellent constituents from non-host pl ...
... Aged conifer forests in Japan are expected to produce large-diameter logs, defined as logs with a top-end diameter of 30 cm or more. However, the knowledge and techniques for industrial processing of large-diameter logs of Japanese wood species have not been sufficiently developed. This study was aimed at characterizing the longitudinal component of residual stress distribution of large-diameter l ...
Japan; Quercus; absorption; accidents; bark; cesium radioisotopes; environment; forest litter; forestry; forests; models; nuclear power; power plants; stemwood; transportation; tree growth; trees
Abstract:
... In forests affected by the Fukushima Daiichi Nuclear Power Plant accident, trees became contaminated with ¹³⁷Cs. However, ¹³⁷Cs transfer processes determining tree contamination (particularly for stem wood, a prominent commercial resource) remain insufficiently understood. We propose a model for simulating dynamic behavior of ¹³⁷Cs in a forest tree–litter–soil system and applied it to contaminated ...
DNA fragmentation; Japan; Paeoniaceae; Western blotting; apoptosis; autophagosomes; autophagy; bark; bioactive compounds; cell division; cell movement; cell proliferation; cytotoxicity; dephosphorylation; female genitalia; fluorescent antibody technique; humans; light microscopy; medicinal plants; metastasis; necroptosis; prognosis; protein synthesis; traditional medicine; China; Korean Peninsula
Abstract:
... Paonia suffruticosa Andr. belonging to the family Paeoniaceae and has been used as a medicinal plant in Asian countries including China, Korea, and Japan. The roots of P. suffruticosa has been used in traditional medicine in various diseases including cancer and cardiovascular, female genital, and inflammatory diseases. Head and neck squamous cell carcinomas (HNSCCs) pathologically account for 90% ...
Japan; Nematoda; Quercus; anus; bark; females; males; nematology; new species; oak wilt; phylogeny; ribosomal RNA; tail
Abstract:
... A new Devibursaphelenchus species isolated from the bark of a dead Quercus aliena, which had been infected and killed by Japanese oak wilt, was collected in Shiga, Japan. The new species is characterised by the relatively large body in males (661-768 μm) and females (893-1071 μm), conspicuous male bursal flap, male spicule with long condylus and wide blade, female post-vulval uterine sac (PUS) 39- ...
... Cryphalus piceae attacks various economically important conifers. Similar to other bark beetles, Cr. piceae plays a role as a vector for an assortment of fungi and nematodes. Previously, several ophiostomatoid fungi were isolated from Cr. piceae in Poland and Japan. In the present study, we explored the diversity of ophiostomatoid fungi associated with Cr. piceae infesting pines in the Shandong Pr ...
... Since the Chernobyl and Fukushima nuclear power plant accidents, extensive research has focused on the distribution and cycle of radiocesium in forest systems. Nevertheless, direct chemical speciation analyses of Cs by spectroscopic methods are limited by the low abundances of stable Cs as well as radiocesium in trees. In this study, we investigated coordination structures of Cs in ¹³³Cs-doped bar ...
Eucalyptus; Japan; Populus; bark; digital images; laminated veneer lumber; modulus of elasticity; pith; sustainable forestry; wood; China
Abstract:
... Over the past few decades, the sustainable forest area in China has increased remarkably, with 2400 million cubic meters of eucalyptus produced in 2018 in Guangxi which is the largest plantation area in China. In this study, the effect of alternating lamination using soft poplar veneers and hard eucalyptus veneers, on the mechanical properties of laminated veneer lumber (LVL), was examined. Eucaly ...
Abies mariesii; Abies veitchii; Cervus nippon; Tsuga diversifolia; bark; canopy gaps; coniferous forests; deer; forest regeneration; old-growth forests; regression analysis; saplings; stems; subalpine forests; survival rate; sustainable forestry; tree and stand measurements; Japan
Abstract:
... Research Highlights: To ensure sustainable forest regeneration, it is important to clarify whether new recruits or advanced regenerants are more likely to be stripped. Therefore, the effects of bark stripping on saplings in subalpine forests with abundant saplings should be analyzed by regeneration mode, but there have been no such studies until now. Background and Objectives: I investigated the e ...
... Bark stripping damages of conifer trees by Asiatic black bears (Ursus thibetanus) are confirmed in most areas inhibited by them in Japan. In this study, we conducted a field survey in Shirakawa Village, Gifu Prefecture, Japan, from 2008 to 2016 to investigate the seasonal and annual variation of bark-stripping of Japanese cedar (Cryptomeria japonica) by Asiatic black bears in relation to mast prod ...
... A new rhabditid entomophilic nematode was isolated from adult Epuraea (Haptoncus) ocularis collected from brown to light brown sap on the trunk of Ulmus parvifolia in Kyoto, Japan. The typological characters of the species, anteriorly opened peloderan bursa with nine bursal rays with the first, fifth, and eighth pairs directed dorsally, very long and two-part spicule with broad tip, and elongate c ...
Abies veitchii; Cervus nippon; bark; coniferous forests; deer; longevity; species diversity; stems; survival rate; tree and stand measurements; tree mortality; trees; Japan
Abstract:
... The management of deer impacts on forested lands requires quantification of the negative factors (e.g., bark stripping) on tree survival in relation to other ecological variables (e.g., competition from neighboring trees). This study measured the effects of bark stripping by sika deer, Cervus nippon, and competition among trees on the survival of Abies veitchii in a subalpine coniferous forest in ...
... Dodders (Cuscuta spp.) are widespread parasitic weeds on many plants all over the world, which can lead to considerable damage to ecosystems (Costea et al. 2011). Many Cuscuta species are recognized as class 1 designated Prohibited Noxious Weeds (Government of Canada 2016), because they can reduce the biomass of hosts and modify the structure of plant communities (Pennings and Callaway 2002). Cusc ...
... Celtis sinensis Pers., commonly known as the Chinese hackberry, belongs to the family Cannabaceae. In Korea, the leaves and bark of this tree are used for the treatment of gastrointestinal disorders and lung abscess. In October 2015 to 2018, symptoms of powdery mildew were observed on the leaves of C. sinensis in a garden at Chonnam National University, Gwangju (35°10′0″N, 126°55′0″E), Korea. The ...
... Chinese chestnut (Castanea mollissima) is an important crop tree species in China. However, branch canker and fruit rot are two kinds of severe diseases, which weaken the host and decrease chestnut production. During our investigations into chestnut diseases in China, several fungi have been confirmed as casual agents in previous studies, namely Aurantiosacculus castaneae, Cryphonectria neoparasit ...
Cervus nippon; Coleoptera; Japan; alpha-pinene; bark; data collection; deer; ethanol; indicator species; population growth; research; temperate forests; tree mortality
Abstract:
... From 1994 to 2003, bark and ambrosia beetles were captured from April to November at 12 sites in the University of Tokyo Chichibu Forest, central Japan, using flight-barrier traps with alpha-pinene and ethanol as a lure. Additional trapping was conducted between July 2013 and November 2014 at the same sites using Lindgren’s funnel traps with ethanol. Factors influencing trap captures were investig ...
... Pseudoscorpions are predators of arthropods and primarily inhabit soil litter and tree bark in forests, although some species have been collected from animal nests, suggesting close associations with mammals and birds. We made preliminary observations on the life cycle and life history traits of Megachernes ryugadensisMorikawa, 1954, phoretic on the wood mice Apodemus speciosus and A. argenteus, b ...
Castanea crenata; acorns; bark; case studies; charcoal; construction materials; forests; fuelwood; geographic information systems; herbs; landscapes; markets; mountains; mushrooms; nuts; people; sap; small fruits; topography; towns; trade; trees; villages; wild plants; Japan
Abstract:
... Recent research in Japan has investigated how local people historically utilized natural resources, using geographic information systems (GIS). These works have helped to clarify the role of forest provisioning services in the past, and have shown how modern landscapes were formed. The aim of this study was to elucidate the utilization of plant resources in forest landscapes of both fields and mou ...
... Because internal transfers can play a key role in radiocaesium persistence in trees, a reliable representation of radiocaesium recycling between tree organs in forest models is important for long-term simulations after radioactive fallout in Chernobyl and Fukushima. We developed an upgraded 2.0 version of the initial TRIPS (“Transfer of Radionuclides In Perennial vegetation System”) model involvin ...
... Tree rubbing by bears is a well-known behavior, but the behavior has not been investigated systematically in Asian black bears. We installed automatic cameras at trees in planted conifer forests to visually document rubbing behavior and to compare the findings with the results of earlier studies. All trees with bear hair attached had bark damaged from antler sharpening by deer and had secreted res ...
... A sudden, increased mortality of Ulmus davidiana var. japonica (Japanese elm) trees occurred during 2014–2016 in Sapporo City, Hokkaido, Japan. The dead and dying trees were concentrated within a narrow area (maximum distance of approximately 300 m). The estimated affected tree age was 36–186 years. A previous large-scale outbreak of elm dieback in Hokkaido had been reported in the 1950s. At that ...
Abies sachalinensis; Bursaphelenchus; Carpinus; Scolytus; Ulmus; bark; females; males; new species; new subspecies; phylogeny; tail; Japan
Abstract:
... Two new species and a new subspecies of Bursaphelenchus are described. Bursaphelenchus carpini n. sp. and B. cryphali okhotskensis n. subsp. were isolated from Cryphalus carpini emerged from a dead log of a Carpinus sp. collected in Ibaraki Prefecture, Japan, and from C. piceae emerged from a dead log of Abies sachalinensis collected in Hokkaido, Japan, respectively. Meanwhile, B. laciniatae n. sp ...
Eucommia ulmoides; Oriental traditional medicine; active ingredients; bark; economic valuation; foods; indigenous species; leaves; plants (botany); China; Japan
Abstract:
... Eucommia ulmoides Oliver is a native plant and valuable tonic Chinese medicine in China with a long history, great economic value and comprehensive development potential. Traditionally, the comprehensive utilization rate of E. ulmoides Oliv. is still very low, only bark has been used as medicine and other parts of Eucommia ulmoides Oliv. cannot be fully utilized, even the leaves have been well uti ...
... Gamblea innovans is a Cd- and Zn-accumulating deciduous tree widely distributed in the secondary forests of Japan. We aimed to understand the characteristics of Cd and Zn accumulation in G. innovans in order to effectively utilize the species for phytoremediation. To accomplish that, we studied the relationship between secondary metabolite concentrations and the accumulation and distributions of C ...
... The earthquake and tsunami on 11 March 2011 led to a meltdown followed by a hydrogen explosion at the Fukushima–Daiichi nuclear power plant in Japan, causing the dispersal of abundant radionuclides into the atmosphere and ocean. The radionuclides were deposited onto trees and local residences in aerosol or gaseous forms that were partly absorbed by rain or melting snow. Here, we show that th ...
... After the nuclear power plant accident in Fukushima, radionuclides were deposited over a large area of local forest. However, almost nothing is known about radionuclide infiltration into trees. Here, we used poplar seedlings as a model to show that radiocesium can enter directly into leaves and bark, moving via ray cells through the symplastic pathways to the xylem and concentrating around the mer ...
... We investigated the quantitative composition and distribution of nutritional substances (soluble sugars, starch, and protein), secondary metabolites (terpenoids and phenolic compounds), and the length, area, and density of internal secretory structures (resin ducts and cavities) in the rhytidome (outer bark) and secondary phloem (inner bark) of Kuril larch (Larix gmelinii var. japonica), Japanese ...
... Rumen digesta was obtained from wild Hokkaido sika deer to compare bacterial flora between summer and winter. Bacterial flora was characterized with molecular‐based approaches and enrichment cultivation. Bacteroidetes was shown as a major phylum followed by Firmicutes, with similar proportions in both seasons. However, two phylogenetically unique groups in Bacteroidetes were found in each season: ...
... The study investigated temporal changes in the ¹³⁷Cs concentrations in vegetal and hydrological samples collected from various forests in Yamakiya District, Kawamata Town of Fukushima prefecture over six years following the Fukushima Dai-ichi nuclear power plant accident. Cesium-137 was detected in all forest environmental samples. However, the concentration in most samples decreased exponentially ...
... Bark stripping by Asian black bears (Ursus thibetanus) has a serious impact on conifer plantations in Japan. Prevention strategies tend to be implemented on a tree-by-tree basis by wrapping standing trees in biodegradable tape or netting. It remains unclear, however, whether installing these materials has a beneficial effect on untreated trees in surrounding stands. The aim of this study was to cl ...
Bryophyta; Cervus nippon; Fagus; Picea; Symplocos; bark; deer; dieback; epiphytes; forests; habitats; herbivores; metals; phytotoxicity; poisoning; species richness; tree trunk; trees; water stress; Japan
Abstract:
... Habitat changes caused by large deer populations can affect epiphytes on trees through altered microenvironments. We hypothesized that the effect of deer activities on epiphytes differs according to the host tree species and the type of management strategy. To test this hypothesis, the changes in epiphyte diversity were examined on Mt. Odaigahara (Japan), where debarking by Sika deer (Cervus nippo ...
... Strawberry is regarded as a highly perishable fruit due to its extreme tenderness and high respiration rate. Amongst all, Japanese 'Sachinoka' strawberry is highly favored in Japan for its sweetness and deep red skin color, but it has comparatively low firmness leading to sensitive postharvest quality. Preharvest factors can minimize postharvest quality deterioration, but growing medium has not ga ...
... In November 2013, basidiomes of Desarmillaria sp. were observed at the base of a single Ulmus pumila L. (Siberian elm) tree planted along the street nearby the main gate of the National Institute of Forest Science, Seoul, South Korea (37°35′29.46″N, 127°02′32.74″E, elevation 28 m). Bark and basidiome samples were collected from this tree, which was suspected of having been associated with Armillar ...
Cryptomeria japonica; Physarum; altitude; bark; biogeography; climatic zones; cornea; geographical distribution; multidimensional scaling; pH; temperature profiles; trees; Japan
Abstract:
... There is little available data on the biogeography of myxomycetes at the regional scale within any given climate zone. To investigate the geographical distribution of these protozoans, we focused on corticolous myxomycetes associated with the bark of Cryptomeria japonica trees, which we sampled extensively throughout Japan. Myxomycete sporophores developed in 73% of 2244 moist-chamber cultures of ...
Abies sachalinensis; Chamaecyparis obtusa; Cryptomeria japonica; Larix kaempferi; bark; carbon sequestration; cradle-to-gate; energy efficiency; environmental impact; felling; forest roads; forestry; forestry equipment; fuels; greenhouse gas emissions; inventories; labor productivity; land use; planting; seedlings; trees; wood; Japan
Abstract:
... Wood has a long-standing history as an industrial material and fuel. Generic life cycle assessment data is therefore needed to assess the quantitative environmental impact of wood. The aim of this study was to estimate cradle-to-gate greenhouse gas emissions for round wood production of four common Japanese tree species. This study focused on Japanese cedar (Cryptomeria japonica), hinoki cypress ( ...
Abies alba; Ursus arctos; bark; forage; foraging; meta-analysis; mountains; pests; timber production; tree damage; trees; Japan; North America; Poland
Abstract:
... Bark stripping behaviour of bears, which may significantly reduce the value of timber, has been reported mostly from North America and Japan, but in recent decades also from Europe. We surveyed forest plots in the Bieszczady Mountains of southeast Poland and recorded bark stripping by brown bears. We distinguished two types of tree damage by brown bears – damage to single (since no other damaged t ...
... The red slug caterpillar of the colourful moth, Eterusia aedea (Linnaeus, 1763) (Lepidoptera: Zygaenidae) has earned considerable importance as a defoliator of tea during the last decade in major tea-producing countries like China, India, Sri Lanka, Japan and Taiwan. The damage is caused by all stages of larvae which feed mainly on mature tea leaves. In severe infestations bushes can become comple ...
... Along with the expansion of dwarfing apple rootstocks in Japan, damage through bark-eating by the Japanese field vole (Microtus montebelli Milne-Edwards, 1872) in apple orchards has increased. The most prevalent cultivar, JM7, in particular, is highly susceptible to vole gnawing. Hence, it is a pressing task to reduce vole damage to apple rootstocks by developing and introducing a new dwarfing roo ...
Chamaecyparis obtusa; Cryptomeria japonica; bark; bending strength; coniferous forests; lumber; modulus of elasticity; modulus of rupture; stand density; surveys; trees; typhoons; Japan
Abstract:
... Typhoon Melor, which occurred in October 2009, damaged much of the forest in the eastern region of Japan's Aichi Prefecture. The damaged trees were primarily planted Japanese cedar (Cryptomeria japónica) and Japanese cypress (Chamaecyparis obtusa) between 40 and 60 years old and were intended for use as structural lumber. The purpose of this study was to investigate the usability of damaged trees ...
... Todo-matsu (Abies sachalinensis) is one of the most important forestry species in Hokkaido, Japan and is distributed from near sea level to the alpine zone. Due to its wide spatial distribution, the species adapts to its environment, displaying phenotypes of ecological relevance. In order to identify candidate genes under natural selection, we collected the transcriptome from the female and male f ...
... Ring-cupped oak, Quercus glauca Thunb., is an evergreen broadleaf tree growing up to 15 to 20 m tall. It is native to eastern Asia (China, Japan, Taiwan, and Korea). In Korea, it is distributed in the islands of the southern part of the peninsula, mostly in Jeju Island, South Korea. This species is planted as a windbreak and as an ornamental tree in urban forest areas and its fruit, leaves, and ba ...
Quercus glauca; allometry; bark; biomass; branches; carbon dioxide fixation; climate change; deciduous forests; diameter; growth rings; leaf area index; leaves; national forests; photons; photosynthesis; secondary succession; stem elongation; tree and stand measurements; trees; Japan
Abstract:
... The evergreen oak Quercus glauca often dominates secondary broadleaved forests in Western Japan. It is regarded as a mid-successional species, whose diameter and height growth fall between those of early- and late-successional species. Despite the ecological importance of this evergreen oak in the secondary succession of the evergreen broadleaved forest zone in Japan, tree-felling data that allow ...
... Cortex Eucommiae (CE), the bark of Eucommia ulmoides Oliv., has been traditionally used for its kidney-tonifying and bone- and tendon-enhancing properties in Korea, China, and Japan. CE has been historically prescribed for inflammatory conditions such as arthritis of the knee and ankle.Although CE has recently been shown to suppress inflammation in scientific studies, whether this effect involves ...
Arthonia; Betula; Salix; bark; conifers; dead wood; genes; habitats; lichens; loci; old-growth forests; tree trunk; trees; Japan; South Korea; Sweden
Abstract:
... The rare and poorly known Northern Hemisphere old‐growth forest lichen Arthonia incarnata is reported for the first time for Asia from Japan and Korea. A detailed description and illustration is provided for the species based on the collections from Japan and South Korea. Bayesian and RAxML analyses of mtSSU, nLSU and RPB2 sequence data show A. incarnata to be only distantly related to the other A ...
... Occurrence of bark-feeding damage by sika deer (Cervus nippon) was examined at 26 mixed plantations comprised of both sugi (Cryptomeria japonica) and hinoki cypress (Chamaecyparis obtusa) in Mie Prefecture, central Japan. There was no significant difference in damage ratios with the tree species in plantations with only slight damage. In plantations with a damage ratio over 5% in either tree speci ...
... Euscaphis japonica (Thunb.) Kanitz, a species in Staphyleaceae, is a small deciduous tree or shrub, which grows in mountain valleys or open forests and is distributed in most provinces of China, especially in areas south of the Yangtze River to Hainan, and in Japan, Korea, and Vietnam. In recent years, this species has grown in popularity as an ornamental tree because its pericarp is red in ripe f ...
... Viridothelium virens was found growing on tree bark at 1500 m altitude in an oak forest in northern Thailand. Phenotypical and molecular data (mtSSU and nuLSU rDNA sequences) supported the identification of the sample as V. virens. This is a new record for Thailand and extends the distributional range from temperate regions (North America and Japan) to the tropics. ...
atmospheric deposition; bark; branches; cesium; deciduous forests; forest litter; forest stands; forest trees; inventories; leaves; meta-analysis; monitoring; polluted soils; roots; stand characteristics; stemwood; surveys; water pollution; Japan
Abstract:
... The fate and dispersion of radiocesium in forests affected by the Fukushima atmospheric fallouts have been efficiently characterized by Japanese scientists thanks to monitoring surveys of radioactive contents in contaminated soil, water, and vegetation samples at numerous sites. In this paper, we carry out a meta-analysis of the field surveys conducted over the period 2011–2013 in evergreen conife ...
Mohamed A. Abdel-Wahab; Monika C. Dayarathne; Satinee Suetrong; Sheng-Yu Guo; Siti Aisyah Alias; Ali H. Bahkali; Takahiko Nagahama; Abdallah M. Elgorban; Faten A. Abdel-Aziz; Mohamed S. Hodhod; Mohamed O. Al-Hebshi; Kevin D. Hyde; Norlailatul A.B.M. Nor; Ka-Lai Pang; E.B. Gareth Jones
... This paper documents five new saprobic marine fungi occurring on various substrata in the marine environment. Bacusphaeria nypae gen. et sp. nov. was discovered on bases of fronds of Nypa fruticans in Malaysia and phylogenetically, it belongs to the Tirisporellaceae (Tirisporellales, Diaporthomycetidae, Sordariomycetes) based on 18S and 28S rDNA. Cryptovalsa avicenniae, Ceriosporopsis minuta and J ...