Journal of Forest Research最新文献_第10页

Land-cover changes and deforestation drivers in the forest landscape of Banmauk township in the Sagaing Region of upper Myanmar 缅甸上实皆地区Banmauk镇森林景观中的土地覆盖变化和森林砍伐驱动因素

IF 1.5 4区农林科学

Journal of Forest Research Pub Date : 2023-03-05 DOI: 10.1080/13416979.2023.2185185

Tin Hnaung Aye, S. Shibata

{"title":"Land-cover changes and deforestation drivers in the forest landscape of Banmauk township in the Sagaing Region of upper Myanmar","authors":"Tin Hnaung Aye, S. Shibata","doi":"10.1080/13416979.2023.2185185","DOIUrl":"https://doi.org/10.1080/13416979.2023.2185185","url":null,"abstract":"ABSTRACT This study focused on the extent of land-cover changes and prediction of probable factors in deforestation based on changes observed from 2000 to 2021 in the forest landscape of Banmauk Township in Myanmar’s Sagaing Region. Landsat 7 ETM+ and Landsat 8 OLI satellite imagery were used to identify seven land-cover classes via supervised random tree classification, and binary logistic regression analysis was used to predict the potential for biophysical and locational factors to affect deforestation. A stratified random sampling method was used to assess the accuracy of the classified maps and to estimate the areas. The study revealed that dense forest coverage decreased from 45.65% in 2000 to 29.01% in 2021, while open forest areas increased from 49.33% to 54.51%. Mining areas exhibited a considerable increase from 0.37% to 5.35%, while settlement and barren/scrub land areas increased from 0.16% to 0.51% and 1.71% to 7.70%, respectively. Agricultural areas slightly increased from 2.11% to 2.33%, while water areas remained almost the same at around 0.60%. Post-classification change detection analysis showed that deforestation occurred mainly through converting forest land to mining and barren/scrub land. The study indicated that lower altitudes and road accessibility are significantly associated with the potential for deforestation.","PeriodicalId":15839,"journal":{"name":"Journal of Forest Research","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2023-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43066522","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Research and project activities for breeding of Cryptomeria japonica D. Don in Japan 日本柳杉育种研究与项目活动

IF 1.5 4区农林科学

Journal of Forest Research Pub Date : 2023-03-02 DOI: 10.1080/13416979.2023.2172794

Makoto Takahashi, M. Miura, E. Fukatsu, Y. Hiraoka, M. Kurita

引用次数: 3

The complete chloroplast genome of Vitex parviflora A.Juss. (Lamiaceae) and its comparison with Vitex species 小花Vitex A.Justs（Lamiaceae）叶绿体全基因组及其与Vitex种的比较

IF 1.5 4区农林科学

Journal of Forest Research Pub Date : 2023-02-27 DOI: 10.1080/13416979.2023.2182252

M. Bartolome, R. Gentallan, K. J. Quiñones, R. Madayag, T. Borromeo, E. B. Timog

{"title":"The complete chloroplast genome of Vitex parviflora A.Juss. (Lamiaceae) and its comparison with Vitex species","authors":"M. Bartolome, R. Gentallan, K. J. Quiñones, R. Madayag, T. Borromeo, E. B. Timog","doi":"10.1080/13416979.2023.2182252","DOIUrl":"https://doi.org/10.1080/13416979.2023.2182252","url":null,"abstract":"ABSTRACT Vitex parviflora A.Juss. is a highly valuable construction timber and ornamental landscape species native in the islands of the Philippines and Timor. Here, we assembled and characterized the complete chloroplast genome of V. parviflora which yielded a circularized genome 154,024 bp long, and represented by a quadripartite structure consisting of long single-copy (84,848 bp), short single-copy (17,852 bp), and two inverted repeat (IR) regions (25,662 bp). In comparison with the other published Vitex plastome sequences, the V. parviflora genome has the smallest number of annotated genes comprising 86 protein-coding, 36 tRNA, and 8 rRNA genes. Notable are the two tRNA genes having three and four copies, respectively. Phylogenetic analysis is supported with 100% bootstrap value which resulted to V. parviflora grouping closer with V. yunnanensis, a species endemic to China, than with V. quinata which it is difficult to discriminate from using morphological markers. Differences in IR regions and the presence of pseudogenes varied considerably, suggesting that V. parviflora is clearly different from the closely related taxa from the phylogram. These findings will provide a good basis for chloroplast genome assembly of other Vitex species and be useful for resolving problematic taxonomic positions within the genera, as well as provide additional evidence for species delimitation.","PeriodicalId":15839,"journal":{"name":"Journal of Forest Research","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2023-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45554514","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Factors associated with deforestation probability in Central Vietnam: a case study in Nam Dong and A Luoi districts 与越南中部森林砍伐概率相关的因素：以南洞和阿罗伊地区为例

IF 1.5 4区农林科学

Journal of Forest Research Pub Date : 2023-02-22 DOI: 10.1080/13416979.2023.2182259

Canh Tran Quoc, Thang Tran Nam, C. Kull, Loi Nguyen Van, Tai Tien Dinh, R. Cochard, R. Shackleton, D. Ngo, Van Nguyen Hai, Pham Thi Phuong Thao

{"title":"Factors associated with deforestation probability in Central Vietnam: a case study in Nam Dong and A Luoi districts","authors":"Canh Tran Quoc, Thang Tran Nam, C. Kull, Loi Nguyen Van, Tai Tien Dinh, R. Cochard, R. Shackleton, D. Ngo, Van Nguyen Hai, Pham Thi Phuong Thao","doi":"10.1080/13416979.2023.2182259","DOIUrl":"https://doi.org/10.1080/13416979.2023.2182259","url":null,"abstract":"ABSTRACT Vietnam is undergoing a forest transition stage with an overall increase in forest cover since the 1990s; however, deforestation and forest degradation of natural forests still occur in several areas, especially in the Central region of the country. In order to better manage and protect natural forests, predicting deforestation probability and understanding its associated factors are necessary. In the present study, we focused on the two mountainous districts (Nam Dong and A Luoi) in Central Vietnam as a case study. We used Landsat satellite images for identifying changes of natural forests over the period of 1989–2020. The logistic regression model showed a good performance in prediction of deforestation (testing AUC = 0.874) in the study area. Our data showed that deforestation probability of natural forests in the study area in the period of 1989–2020 could be influenced by 11 socio-economic and topographical factors. In particular, forest areas with low elevation, gentle slopes, nearby rivers and residential areas have a high deforestation probability. Production forest, forest areas not included in payment for environmental service (PFES) schemes, forest with no ownership and forest areas managed by private owners may also have a high deforestation probability. The total area of very high level of deforestation probability in A Luoi (8,988 ha) and Nam Dong (5,304 ha) districts occupied about 11.4% of natural forests in the study area. Our study suggests that protection activities should be focused on high deforestation probability-prone forest areas.","PeriodicalId":15839,"journal":{"name":"Journal of Forest Research","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2023-02-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49309593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Presence of understory dwarf bamboo determines ecosystem fine root production in a cool-temperate forest in northern Japan 日本北部寒温带森林林下矮竹的存在决定了生态系统细根产量

IF 1.5 4区农林科学

Journal of Forest Research Pub Date : 2023-01-29 DOI: 10.1080/13416979.2023.2169981

Sanae Yanagawa, K. Fukuzawa, K. Takagi, H. Shibata, F. Satoh

{"title":"Presence of understory dwarf bamboo determines ecosystem fine root production in a cool-temperate forest in northern Japan","authors":"Sanae Yanagawa, K. Fukuzawa, K. Takagi, H. Shibata, F. Satoh","doi":"10.1080/13416979.2023.2169981","DOIUrl":"https://doi.org/10.1080/13416979.2023.2169981","url":null,"abstract":"ABSTRACT Fine root biomass (FRB) and production (FRP) are crucial in forest carbon and nutrient cycling, but the factors controlling FRB and FRP are not well understood. Here, we examined FRB, FRP, aboveground environmental and stand factors, and soil environmental factors in four stands in a forest covered with dense understory vegetation of dwarf bamboo, Sasa senanensis (hereafter, Sasa). The four stands had different tree species composition and included a primary forest (PF), secondary forest (SF), conifer plantation (CP), and Sasa area (SA). We quantified the FRB and FRP of trees and Sasa separately using the ingrowth core method. Total FRP was higher in stands with substantial presence of Sasa (99–130 g m−2 yr−1) than in CP with scarce Sasa (69 g m−2 yr−1). Despite being occupied by Sasa alone, SA had high FRP, suggesting that the presence of Sasa regardless of trees is a key determinant of ecosystem FRP. Tree FRB increased with increasing tree aboveground biomass, tree density, or basal area at breast height, but Sasa FRB and total FRB decreased. Total FRP was also lower at higher values of these aboveground stand factors. In Sasa, specific root length was significantly higher, and root tissue density was significantly lower, than in trees, indicating the capacity of Sasa for explosive growth. Positive correlations between Sasa FRB or FRP and soil inorganic N or ammonium contents (i.e. N availability) were detected. We conclude that Sasa is important in determining FRB and FRP in this northern forest with understory vegetation.","PeriodicalId":15839,"journal":{"name":"Journal of Forest Research","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2023-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42552711","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Different phoretic affinities of Bursaphelenchus mucronatus kolymensis (Nematoda, Aphelenchoididae) to Monochamus sartor urussovii and M. sutor (Coleoptera, Cerambycidae) in Hokkaido, Japan 日本北海道地区长尾棘球蛾(线虫目，棘球蛾科)与乌氏单足棘球蛾和苏氏棘球蛾(鞘翅目，天牛科)的遗传亲缘关系

IF 1.5 4区农林科学

Journal of Forest Research Pub Date : 2022-12-15 DOI: 10.1080/13416979.2022.2156571

Wataru Toki, K. Togashi

引用次数: 0

Dependence of flower-bearing on trunk size and trunk origin in four tree species of the subgenus Quercus 栎亚属四种树种开花与树干大小和树干来源的关系

IF 1.5 4区农林科学

Journal of Forest Research Pub Date : 2022-11-28 DOI: 10.1080/13416979.2022.2148865

Atsuko Hirabayashi, K. Osumi, Hiroki Itô

{"title":"Dependence of flower-bearing on trunk size and trunk origin in four tree species of the subgenus Quercus","authors":"Atsuko Hirabayashi, K. Osumi, Hiroki Itô","doi":"10.1080/13416979.2022.2148865","DOIUrl":"https://doi.org/10.1080/13416979.2022.2148865","url":null,"abstract":"ABSTRACT We investigated the flower-bearing properties of four sympatric oak species in the subgenus Quercus commonly grown in semi-natural forests in western Honshu Island, Japan. Quercus variabilis and Quercus acutissima belong to the section Cerris and Quercus serrata and Quercus aliena belong to the section Quercus. The timing and pattern of flower-bearing varied among the four oaks, but were synchronized between the male and female inflorescences within each species. Trunk size was the primary factor affecting the flower-bearing properties; more flowers were borne on thicker trunks. Threshold trunk sizes for flower-bearing, below which no flowers were borne, were identified in the two Cerris section oak species; in contrast, the two Quercus section oak species bore flowers even on the smallest trunks. The smallest flower-bearing trunk sizes of the Quercus section oaks were extremely small compared with the other tall tree species distributed in the temperate zone of Honshu Island. The flowering probability was not clearly influenced by whether the stem originated from a seedling or a sprout, except for the male inflorescences of Q. aliena, which rather showed a positive relationship between sprout-origin and flower-bearing. Thus, no trade-off relationship between sprouting and flowering was observed.","PeriodicalId":15839,"journal":{"name":"Journal of Forest Research","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2022-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48028058","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Development and characterization of microsatellite markers for Ardisia japonica (Primulaceae), an evergreen clonal dwarf shrub 常绿无性系矮灌木报春科紫苏微卫星标记的开发与鉴定

IF 1.5 4区农林科学

Journal of Forest Research Pub Date : 2022-11-27 DOI: 10.1080/13416979.2022.2149058

Atsushi Minami, H. Sugawara, T. Nishimura

引用次数: 0

Assessing the damage caused by deer on young trees in a Sugi (Cryptomeria japonica) plantation based on field signs 基于田间标志的鹿群对杉木人工林幼树危害评估

IF 1.5 4区农林科学

Journal of Forest Research Pub Date : 2022-11-25 DOI: 10.1080/13416979.2022.2148862

Hiromi Yamagawa, F. Kitahara, T. Otani, R. Yoneda, Keizou Suzuki, Haruto Nomiya

{"title":"Assessing the damage caused by deer on young trees in a Sugi (Cryptomeria japonica) plantation based on field signs","authors":"Hiromi Yamagawa, F. Kitahara, T. Otani, R. Yoneda, Keizou Suzuki, Haruto Nomiya","doi":"10.1080/13416979.2022.2148862","DOIUrl":"https://doi.org/10.1080/13416979.2022.2148862","url":null,"abstract":"ABSTRACT Predicting the level of damage by deer browsing in young plantations is important for considering damage control measures. In this study, we examined a method for assessing the level of deer damage in young Sugi (Cryptomeria japonica) plantations with deer-proof fences by observing field signs of deer. First, a questionnaire survey was conducted to obtain information about the damage by deer browsing on planted trees and the extent of field signs, such as browsing marks and deer fecal pellets around the young plantations. The extent of field signs was recorded as qualitative data (i.e. “None”, “A few”, and “Many”). A multiple correspondence analysis (MCA) revealed a relationship between the extent of deer damage in young plantations and the presence of five field signs (browsing marks, bark stripping marks, fecal pellets, trails and tracks) around the young plantations. Based on coordinate values of each field sign obtained using the MCA, the extent of each field sign was scored, and the total value was calculated as the deer impact score (DISco). When the relationship between the DISco and the extent of deer damage to planted trees was subjected to a logistic regression analysis (LRA), the DISco was found to be a significant explanatory variable and the LRA was an effective model (AUC of 0.7809 and 0.7048, respectively) for predicting the probability of stand damage and High stand damage. Therefore, the DISco was shown to be an effective tool for assessing the damage risk of deer in young Sugi plantations with deer-proof fences.","PeriodicalId":15839,"journal":{"name":"Journal of Forest Research","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2022-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41409057","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Comparisons of different regeneration approaches on soil respiration of Chamaecyparis obtusa planted in pine wilt disease-disturbed stands 不同更新方式对松林土壤呼吸的影响

IF 1.5 4区农林科学

Journal of Forest Research Pub Date : 2022-11-03 DOI: 10.1080/13416979.2022.2141860

Gyeongwon Baek, C. Kim

{"title":"Comparisons of different regeneration approaches on soil respiration of Chamaecyparis obtusa planted in pine wilt disease-disturbed stands","authors":"Gyeongwon Baek, C. Kim","doi":"10.1080/13416979.2022.2141860","DOIUrl":"https://doi.org/10.1080/13416979.2022.2141860","url":null,"abstract":"ABSTRACT Changes in the abiotic and biotic factors created by forest regeneration can have a major influence on soil respiration, which is an important component of the forest carbon (C) cycle. This study was performed to determine the soil respiration rates caused by regeneration approaches in Chamaecyparis obtusa planted in pine wilt disease (PWD)-disturbed stands in South Korea. In 2007, four-year-old C. obtusa seedlings were planted with two regeneration approaches, clearcutting (CS) of infected pine trees or underplanting following selective cutting (DS) of infected pine trees in disturbed pine stands. Soil respiration rates were assessed in two regeneration approaches and an undisturbed pine stand (NS) for two years. The mean soil respiration rates were significantly lower in the DS (1.07 µmol m−2 s−1) treatment than in the NS (1.87 µmol m−2 s−1) treatment, whereas there was no significant difference between the CS (1.44 µmol m−2 s−1) treatment and the NS or DS treatment. The three treatments showed exponential relationships between soil respiration rates and soil temperature (R 2 = 0.57–0.81). The annual soil respiration rates were significantly higher in the CS (6.49 Mg C ha−1 year−1) treatment than in the DS (3.98 Mg C ha−1 year−1) treatment. The Q 10 values were lowest in the DS (2.00–2.03) treatment, followed by the CS (2.23–2.62) and NS (2.74–3.07) treatments. These results reveal that DS approaches in PWD-disturbed stands are one for the critical drivers of reducing annual soil respiration rates.","PeriodicalId":15839,"journal":{"name":"Journal of Forest Research","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2022-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42681273","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0