Journal of Forest Research最新文献

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Innovative use of tea bags to investigate the interactive effect of nutrient status and climatic factors on litter decomposition 创新使用茶包研究营养状况和气候因素对枯枝落叶分解的交互作用
IF 1.5 4区 农林科学
Journal of Forest Research Pub Date : 2023-05-08 DOI: 10.1080/13416979.2023.2208784
Taiki Mori, T. Hashimoto, Y. Sakai
{"title":"Innovative use of tea bags to investigate the interactive effect of nutrient status and climatic factors on litter decomposition","authors":"Taiki Mori, T. Hashimoto, Y. Sakai","doi":"10.1080/13416979.2023.2208784","DOIUrl":"https://doi.org/10.1080/13416979.2023.2208784","url":null,"abstract":"ABSTRACT Interactive effects of nutrient status and climatic factors on litter decomposition remain unclear, partly due to the difficulty of extracting these effects from multiple decomposition data obtained from geographically diverse locations. Conducting the tea bag method repeatedly across different seasons, using the same fertilization study site and a short 90-day period, can be a useful tool for examining the interactive effects, as this method allows for a high degree of control over site effects by using an identical study site. In this study, we explored the sensitivity of the tea bag method in detecting the impacts of nutrient addition on tea material decomposition, as well as the interactive effects of nutrient addition and climatic factors on decomposition. At a 38-year continuous nitrogen and phosphorus fertilization experimental Sakhalin fir stand, we demonstrated that the mass loss ratio of rooibos tea and decomposition constant k, both of which are indicators of early-stage decomposition, were elevated by fertilization in summer, but not in winter. This was probably because, in summer when decomposition rates are less constrained by climatic conditions, the impact of nutrient availability on decomposition rates was relatively stronger compared to other seasons. Thus, the tea bag method can serve as a suitable tool for examining the effect of nutrient addition on early-stage litter decomposition and their interaction with climatic effects. Meanwhile, we concluded that the effects of nutrient addition on late-stage litter decomposition are undetectable by the tea bag method, because this method does not take into account lignin degradation.","PeriodicalId":15839,"journal":{"name":"Journal of Forest Research","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2023-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45614340","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
Seasonal changes in leaf water relations in regards to leaf drought tolerance in mature Cryptomeria japonica canopy trees 成熟柳杉冠层叶片耐旱性与叶水关系的季节变化
IF 1.5 4区 农林科学
Journal of Forest Research Pub Date : 2023-05-04 DOI: 10.1080/13416979.2023.2205719
Y. Inoue, M. Araki, Satoshi Kitaoka, T. Tsurita, T. Sakata, S. Saito, T. Kenzo
{"title":"Seasonal changes in leaf water relations in regards to leaf drought tolerance in mature Cryptomeria japonica canopy trees","authors":"Y. Inoue, M. Araki, Satoshi Kitaoka, T. Tsurita, T. Sakata, S. Saito, T. Kenzo","doi":"10.1080/13416979.2023.2205719","DOIUrl":"https://doi.org/10.1080/13416979.2023.2205719","url":null,"abstract":"ABSTRACT Although seasonal differences in drought damage to Japanese cedar (Cryptomeria japonica D. Don) have been well studied, the mechanisms underlying these seasonal differences remain poorly understood. In this study, we measured seasonal changes in current-year shoot growth; leaf mass per area (LMA); water potential at turgor loss point (Ψtlp), predawn (Ψpre), and midday (Ψmid); osmotic potential (Ψs); maximum transpiration rates; and maximum stomatal conductance in a 43-year-old Japanese cedar stand, with particular focus on the relationship between the shoot growth period and seasonal variation in Ψtlp, and the turgor safety margin (Ψmid – Ψtlp) to identify the season in which these trees are most vulnerable to drought. Current-year shoot growth began in April, with high shoot growth continuing until August. Ψtlp varied significantly throughout the year and was particularly high during the shoot growth period. Increasing LMA and decreasing Ψs caused a reduction in Ψtlp from autumn to winter, and Ψmid dropped to approximately the level of Ψtlp during the summer due to high transpiration activity, and increased with decreasing transpiration rates during the winter. Thus, the turgor safety margin was smaller in the summer than in the winter. These results suggest that Japanese cedar is most vulnerable to drought in the summer due to high Ψtlp during the shoot growth period.","PeriodicalId":15839,"journal":{"name":"Journal of Forest Research","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2023-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47728661","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
Vertical changes in sulfur isotopic ratio of water flowing through a forested catchment along the coast of the sea of Japan in central Japan–a buffer against seasonal transboundary air pollution 流经日本中部日本海沿岸森林集水区的水硫同位素比率的垂直变化——对季节性跨界空气污染的缓冲
IF 1.5 4区 农林科学
Journal of Forest Research Pub Date : 2023-04-06 DOI: 10.1080/13416979.2023.2198113
Tatsuyoshi Saito, M. Nakata, N. Yamashita, Y. Inomata, S. Uchiyama, T. Ohizumi, H. Sase
{"title":"Vertical changes in sulfur isotopic ratio of water flowing through a forested catchment along the coast of the sea of Japan in central Japan–a buffer against seasonal transboundary air pollution","authors":"Tatsuyoshi Saito, M. Nakata, N. Yamashita, Y. Inomata, S. Uchiyama, T. Ohizumi, H. Sase","doi":"10.1080/13416979.2023.2198113","DOIUrl":"https://doi.org/10.1080/13416979.2023.2198113","url":null,"abstract":"ABSTRACT Acidic substances, specifically sulfur (S) compounds, derived from atmospheric deposition play a major role in the acidification of forest ecosystems. This study conducted field surveys to clarify a buffering system against seasonal large S inputs in a forested catchment in central Japan that has historically suffered from transboundary air pollution. Results showed that atmospheric S fluxes significantly increased in winter due to north-westerly seasonal winds from the Asian continent; fluxes were 1.1 and 0.3 kmolc ha−1 in the cold and warm seasons, respectively, due to the large effects of sea salt and transboundary air pollution. Despite the large seasonality within atmospheric deposition, SO4 2– concentrations in stream water (SW) were found to be relatively stable throughout the year. Similarly, S isotopic ratios (δ34S) in rainwater showed clear seasonal variation, increasing to 12‰ in winter and decreasing to 2‰ in summer, whereas the δ34S value of SW was stable year-round at ~9‰. Flux-weighted mean δ34S values for rainfall (RF), throughfall, stemflow, and SW were similar, i.e. 8.5, 9.5, 9.0, and 9.0‰, respectively. Both the δ34S values and the SO4 2– concentrations in RF and soil solutions appear to converge at values of SW, suggesting that atmospheric deposition is a primary S origin in SW. The sulfur adsorption-desorption in soil appears to mainly buffer the large sulfur input and prevent sudden acidification, whereas a relatively small biological sulfur cycle was suggested by litterfall. Possible disturbances within this buffering system should be carefully monitored under a changing climate.","PeriodicalId":15839,"journal":{"name":"Journal of Forest Research","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2023-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44846176","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
Effects of plantation intensity on longhorn and carabid beetles in conifer plantations mixed with broadleaved trees in northern Japan 日本北部针叶树与阔叶树混合人工林种植强度对长角甲虫和甲甲虫的影响
IF 1.5 4区 农林科学
Journal of Forest Research Pub Date : 2023-04-05 DOI: 10.1080/13416979.2023.2198111
Takeshi Irie, K. Kawamura, S. Yamanaka, F. Nakamura
{"title":"Effects of plantation intensity on longhorn and carabid beetles in conifer plantations mixed with broadleaved trees in northern Japan","authors":"Takeshi Irie, K. Kawamura, S. Yamanaka, F. Nakamura","doi":"10.1080/13416979.2023.2198111","DOIUrl":"https://doi.org/10.1080/13416979.2023.2198111","url":null,"abstract":"ABSTRACT Reconciling timber production with biodiversity conservation is essential. Increasing the mixture of broadleaved (BL) trees into conifer plantations increases the abundance of species that prefer natural BL forests but can reduce conifer yields. Therefore, modeling of the relationships of the abundances of various taxa with conifer and BL trees is necessary for effective biodiversity conservation. Longhorn and carabid beetles are useful ecological indicators; however, their responses to the amount (e.g. basal area and coverage) of conifer and BL trees within stands remain unknown. We surveyed the abundances of longhorn and carabid beetles in plantations of Todo fir Abies sachalinensis and Sakhalin spruce Picea glehnii mixed with various amounts of BL trees and in natural BL forests. We analyzed the response of each taxon to the basal area of conifer trees (CBA) within stands. Unexpectedly, for longhorn beetles, no effect of CBA was detected for species using BL trees as larval host plants and the effect was positive for generalist species. For carabid beetles, the total abundance of forest-dependent species decreased almost linearly with increasing CBA. The species-level mean response was decreasing abundance with increasing CBA, which occurred more rapidly in the lower range of CBA. These results suggest large negative impacts of conifer trees, even in small amounts, for many carabid species. To reconcile timber production with carabid beetle conservation, it is essential to maintain remnant natural BL forests and revert unsuccessful conifer plantations containing abundant BL trees into BL forests.","PeriodicalId":15839,"journal":{"name":"Journal of Forest Research","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2023-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48944084","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
Spatial heterogeneity analysis for estimating breeding values of tree height in a hybrid larch progeny test plantation 落叶松杂交后代试验林树高育种值的空间异质性分析
IF 1.5 4区 农林科学
Journal of Forest Research Pub Date : 2023-04-04 DOI: 10.1080/13416979.2023.2198132
Shufen Chen, W. Ishizuka, M. Kuromaru, S. Goto
{"title":"Spatial heterogeneity analysis for estimating breeding values of tree height in a hybrid larch progeny test plantation","authors":"Shufen Chen, W. Ishizuka, M. Kuromaru, S. Goto","doi":"10.1080/13416979.2023.2198132","DOIUrl":"https://doi.org/10.1080/13416979.2023.2198132","url":null,"abstract":"ABSTRACT Microenvironmental heterogeneity in forest stands results in spatial variations in growth traits. Especially in progeny tests in tree breeding, this spatial variation can prevent the accurate estimation of genetic parameters, including breeding values. To quantify spatial heterogeneity, genetic models incorporating spatial coordinate information have been effectively used to accurately estimate breeding values of individuals. In this study, we measured the height of all Japanese larch and hybrid larch individuals in a progeny trial at 1, 2, 5, 10, and 15 years after planting and calculated genetic parameters, including breeding values, using genetic models. According to the fittings of the candidate models, a genetic model incorporating spatial coordinate information is more suitable for estimating genetic parameters. Overall, a genetic model incorporating spatial coordinate information could be effective in explaining the genetic effects of tree height, which will be useful for estimating more accurate breeding values in hybrid larch breeding programs.","PeriodicalId":15839,"journal":{"name":"Journal of Forest Research","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2023-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42834380","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
Effects of thinning on tree growth and soil physiochemical properties in Cunninghamia lanceolata plantation 疏伐对杉木人工林树木生长及土壤理化性质的影响
IF 1.5 4区 农林科学
Journal of Forest Research Pub Date : 2023-04-03 DOI: 10.1080/13416979.2023.2198156
Xia Li, Ruihui Wang, Kaili Liu, Yuhuai Zhou, J. Hu
{"title":"Effects of thinning on tree growth and soil physiochemical properties in Cunninghamia lanceolata plantation","authors":"Xia Li, Ruihui Wang, Kaili Liu, Yuhuai Zhou, J. Hu","doi":"10.1080/13416979.2023.2198156","DOIUrl":"https://doi.org/10.1080/13416979.2023.2198156","url":null,"abstract":"ABSTRACT Tree growth, along with soil properties, is greatly affected by forest management. We used a typical sampling to study the impact of four thinning intensities (T1: 0%, 2500 stems ha−1; T2: 20%, 2010 stems ha−1; T3: 30%, 1750 stems ha−1; T4: 40%, 1500 stems ha−1) on the tree growth and soil physicochemical properties and their correlation in Cunninghamia lanceolata plantations. The average annual increments in tree height, diameter at breast height (DBH), and volume increased with thinning intensity, and those of T4 differed significantly (P < 0.05) from those of T1. The average annual stand volume increments of T4 were significantly (P < 0.05) lower than that of T1, while the maximum value presented at T3. However, the effect of thinning in promoting the growth of Chinese fir diminished with time. As the thinning intensity increased, the diameter class distribution of the sample stands moved rightwards. Moreover, thinning improved soil physiochemical properties. The effects of thinning on soil properties in 0–20 cm soil layer were greater than those in 20–40 cm soil layer. There was a positive correlation between available nitrogen, available potassium and tree growth. The results of this study showed that thinning had a potential effect on tree growth and soil properties. The heavy thinning intensity (approximately 1500 stems ha−1) was the optimum for maintaining economic and ecological benefits. However, heavy thinning significantly reduced stand volume. From the perspective of improving stand volume and biomass, a moderate thinning intensity (approximately 1750 stems ha−1) could be considered for adoption.","PeriodicalId":15839,"journal":{"name":"Journal of Forest Research","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2023-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43638785","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
Early successional habitats created through plantation harvesting benefit the Gray Nightjar (Caprimulgus jotaka): An 8-year survey in central Hokkaido, northern Japan 通过种植收获创造的早期演替栖息地有益于灰夜莺(Caprimulgus jotaka):一项在日本北部北海道中部进行的为期8年的调查
IF 1.5 4区 农林科学
Journal of Forest Research Pub Date : 2023-03-30 DOI: 10.1080/13416979.2023.2195038
K. Kawamura, Y. Yamaura, F. Nakamura
{"title":"Early successional habitats created through plantation harvesting benefit the Gray Nightjar (Caprimulgus jotaka): An 8-year survey in central Hokkaido, northern Japan","authors":"K. Kawamura, Y. Yamaura, F. Nakamura","doi":"10.1080/13416979.2023.2195038","DOIUrl":"https://doi.org/10.1080/13416979.2023.2195038","url":null,"abstract":"ABSTRACT Early successional habitats and their associated species have been decreasing globally. In contrast, plantations have been expanding and their young stages (stand age ≤ 10 years) can serve as early successional habitats. The Gray Nightjar (Caprimulgus jotaka), a nocturnal bird species, breeds and forages in early successional habitats surrounded by forests; its populations have declined since the 1970s in Japan. Because nightjars are more abundant in warmer areas across Hokkaido, northern Japan, habitat creation through plantation harvesting was expected to promote nightjar abundance or occupancy in this region. To explore the effects of plantation harvesting on nightjar occupancy, we conducted an 8-year playback survey in a plantation landscape in central Hokkaido. We considered the effects of elevation as a surrogate for temperature. The results indicated that increasing young forest cover within 500 m of the centroid of each site enhanced nightjar occupancy, whereas elevation negatively affected occupancy. Therefore, at lower elevations, we predict a larger increase in occupancy probability with increasing young forest cover following plantation harvesting. Our results suggest that young forest creation in landscapes can contribute to Gray Nightjar conservation. To effectively create early successional species habitats through plantation harvesting, it is important to consider climate and elevation in the target area.","PeriodicalId":15839,"journal":{"name":"Journal of Forest Research","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2023-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46024180","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
Homogenization of understory vegetation by an overabundance of deer (Cervus nippon) in a temperate forest in central Japan 在日本中部的温带森林中,过多的鹿(Cervus nippon)使下层植被同质化
IF 1.5 4区 农林科学
Journal of Forest Research Pub Date : 2023-03-29 DOI: 10.1080/13416979.2023.2195217
Atsuko S. Fukamachi, Tomohiro Yoshida, Yoshinobu Hoshino, Naoaki Watanabe
{"title":"Homogenization of understory vegetation by an overabundance of deer (Cervus nippon) in a temperate forest in central Japan","authors":"Atsuko S. Fukamachi, Tomohiro Yoshida, Yoshinobu Hoshino, Naoaki Watanabe","doi":"10.1080/13416979.2023.2195217","DOIUrl":"https://doi.org/10.1080/13416979.2023.2195217","url":null,"abstract":"ABSTRACT Deer browsing is a form of selective disturbance that homogenizes plant community composition and structure. In mountainous regions, disturbance intensity, together with topographical factors, affect plant communities. However, studies on the multiple effects of deer browsing and topographical factors on plant communities are limited. Here, we investigated the effects of deer exclusion on understory vegetation across the upper and lower slopes of a temperate deciduous forest in a mountainous area of Japan. We established six pairs of exclosure and control quadrats, with three pairs at each topographical position. We assessed changes in vegetation and plant structure (coverage and height), species composition, numbers of flowering/fruiting species, and damage to the plant species caused by deer browsing between 2009–2016. Vegetation coverage and the number of flowering/fruiting plant species increased in the exclosure quadrats during the study period, indicating that browsing prevents herb-layer species from reaching the flowering and fruiting stages in this site. Moreover, dissimilarity in species composition between the exclosure and control quadrats increased on the upper slope. However, the dissimilarity between upper and lower slopes in the control quadrats tended to decrease. Large herbs, which mainly include forbs and perennial species, were characteristically abundant on the lower slopes and decreased in the control quadrats on the lower slope. Our results indicate that the exclusion of deer had different effects on the understory vegetation of upper and lower slopes, suggesting that deer overbrowsing weakens the correlation between plant functional traits and topographic factors, resulting in homogenized plant communities.","PeriodicalId":15839,"journal":{"name":"Journal of Forest Research","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2023-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45171097","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
Evaluation of spatial and temporal variation in fine root dynamics in a temperate mixed forest using a scanner method 用扫描仪方法评价温带混交林细根动态的时空变化
IF 1.5 4区 农林科学
Journal of Forest Research Pub Date : 2023-03-13 DOI: 10.1080/13416979.2023.2186208
Nanaho Kuwabe, M. Ohashi
{"title":"Evaluation of spatial and temporal variation in fine root dynamics in a temperate mixed forest using a scanner method","authors":"Nanaho Kuwabe, M. Ohashi","doi":"10.1080/13416979.2023.2186208","DOIUrl":"https://doi.org/10.1080/13416979.2023.2186208","url":null,"abstract":"ABSTRACT Understanding fine root phenology at the stand scale is crucial for elucidating how carbon and nutrient cycling in forest systems respond to climate change. This study aimed to reveal the spatio-temporal variations in the fine root phenology in a mixed temperate forest in Japan using scanner method. The spatio-temporal variation in the fine root areas was evaluated using two scales: among four plots in the stand and among four partitioned areas in the scanner image. Here, we hypothesized that root phenology would vary on both scales due to the mixture of species-specific phenologies, which means endogenous factors to have a larger impact than exogenous factors such as temperature and precipitation. The timing of the production peak varied among years, though it concentrated within a specific period of the year in all plots. In all plots, active root mortality dynamics were observed in the summer. These results suggested exogenous factors as stronger regulators of fine root production and mortality than endogenous factors. Root phenology within the scanner images is highly heterogeneous, suggesting the significance of broad observation surfaces, such as those acquired using the scanner method, in comprehending the representative phenology of root dynamics at a stand scale. This study revealed that fine root phenology had a synchronized pattern on the stand scale, even though high spatial variation existed in the scale size of the scanner. Differences in root phenology that were influenced by internal factors of the species were masked on the stand scale.","PeriodicalId":15839,"journal":{"name":"Journal of Forest Research","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2023-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46925357","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
Influences of fern and vine coverage on the above-ground biomass recovery in a Bornean logged-over degraded secondary forest 婆罗洲采伐后退化次生林中蕨类和藤类盖度对地上生物量恢复的影响
IF 1.5 4区 农林科学
Journal of Forest Research Pub Date : 2023-03-13 DOI: 10.1080/13416979.2023.2187682
Ryuichi Takeshige, N. Imai, Ryota Aoyagi, Yoshimi Sawada, R. Ong, K. Kitayama
{"title":"Influences of fern and vine coverage on the above-ground biomass recovery in a Bornean logged-over degraded secondary forest","authors":"Ryuichi Takeshige, N. Imai, Ryota Aoyagi, Yoshimi Sawada, R. Ong, K. Kitayama","doi":"10.1080/13416979.2023.2187682","DOIUrl":"https://doi.org/10.1080/13416979.2023.2187682","url":null,"abstract":"ABSTRACT Tropical secondary forests are widespread in the anthropogenically modified landscapes. Because tropical secondary forests were known to show a steady rate of above-ground biomass (AGB) recovery, they were expected to play a crucial role in carbon sequestration. However, in a preliminary survey of logged-over forests in Borneo, some patches covered with ferns and vines do not seem to recover steadily despite the fact that several decades have passed since the last logging. The presence and abundance of fern/vine thickets may affect the AGB recovery, but few studies have investigated the effects of the thickets. We established a total of seventeen 20-m radius circular plots in logged-over forests, Sabah, Malaysia, with a varying degree of fern/vine coverage, and tested the hypothesis that the greater fern/vine coverage would retard the AGB recovery. The net AGB accumulation rate from 2014 to 2019 was lower in the forests with a higher fern/vine coverage. Our lower bound of the accumulation rate was much lower than the previously reported rates elsewhere. The number of newly recruited and small-diameter trees was lower, and the mortality of remnant trees was higher with increasing fern/vine coverage. The growth rate of the extant pioneer trees, which are expected to significantly contribute to the initial build-up phase of the secondary succession, was inhibited when ferns and vines covered the canopy. Our study suggests that the secondary succession is arrested and the recoverability of forest stands is lower than formerly predicted when they are covered by thick ferns and vines.","PeriodicalId":15839,"journal":{"name":"Journal of Forest Research","volume":null,"pages":null},"PeriodicalIF":1.5,"publicationDate":"2023-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43134749","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
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