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General and specific effects of foundation species on the structure of alpine-fellfield communities in the Taisetsu Mountains, northern Japan 基础物种对日本北部大雪山高山落叶群落结构的一般和特殊影响
IF 1.4 4区 环境科学与生态学
Ecological Research Pub Date : 2024-06-19 DOI: 10.1111/1440-1703.12498
Zaal Kikvidze, Gaku Kudo, Maki Suzuki, Yoshiko Shimono, Mikio Sukeno
{"title":"General and specific effects of foundation species on the structure of alpine-fellfield communities in the Taisetsu Mountains, northern Japan","authors":"Zaal Kikvidze,&nbsp;Gaku Kudo,&nbsp;Maki Suzuki,&nbsp;Yoshiko Shimono,&nbsp;Mikio Sukeno","doi":"10.1111/1440-1703.12498","DOIUrl":"10.1111/1440-1703.12498","url":null,"abstract":"<p>The great majority of studies on foundation species focused on a single dominant plant in a community, while more than one such species can often coexist and compete for space and limited resources. Morphologically different coexisting foundation species can create diverse niches occupied by different subsets of beneficiary species. To test this hypothesis, we sampled alpine plant communities at exposed fellfields in alpine zone, in the Taisetsu Mountains (Hokkaido, northern Japan), with coexisting putative foundation species <i>Pinus pumila</i> (evergreen shrub) and <i>Diapensia lapponica</i> (evergreen cushion-forming shrub), and analyzed their spatial relationships with other plants. Preliminary vegetation survey indicated that fruticose lichens and <i>Loiseleuria procumbens</i> (evergreen mat-forming shrub) might also act as a foundation species; thus, we included them in our analyses. The coexisting foundation species had both general as well as specific effects on plant community structure. Namely, almost all the members of the community aggregated spatially with lichens, while the other foundation species were spatially segregated from each other. These foundation plants associated with different members of the community, thus showing species-specific effects on the community structure. Blooming species showed even stronger patterns of species-specific spatial associations, suggesting that foundation species had beneficial effects on their associated species. We conclude that the focus on coexisting foundation species can reveal important details of community structure which would be hidden if we treated all species as equal members of the community. Studying the effects of coexisting foundation species could greatly advance our understanding of how species diversity functions in plant communities.</p>","PeriodicalId":11434,"journal":{"name":"Ecological Research","volume":"39 5","pages":"744-756"},"PeriodicalIF":1.4,"publicationDate":"2024-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141519157","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Herbarium and field studies of nickel hyperaccumulator plants from ultramafic soils in Guatemala 瓜地马拉超镁质土壤中镍超富集植物的标本室和野外研究
IF 1.4 4区 环境科学与生态学
Ecological Research Pub Date : 2024-06-17 DOI: 10.1111/1440-1703.12495
Haley P. Disinger, Dulce Montserrat Navarrete Gutiérrez, Alicia Maríasol Díaz Reyes, Rosario Rodas Duarte, Maura L. Quezada, Antony van der Ent, Alan J. M. Baker, Guillaume Echevarria, A. Joseph Pollard
{"title":"Herbarium and field studies of nickel hyperaccumulator plants from ultramafic soils in Guatemala","authors":"Haley P. Disinger,&nbsp;Dulce Montserrat Navarrete Gutiérrez,&nbsp;Alicia Maríasol Díaz Reyes,&nbsp;Rosario Rodas Duarte,&nbsp;Maura L. Quezada,&nbsp;Antony van der Ent,&nbsp;Alan J. M. Baker,&nbsp;Guillaume Echevarria,&nbsp;A. Joseph Pollard","doi":"10.1111/1440-1703.12495","DOIUrl":"10.1111/1440-1703.12495","url":null,"abstract":"<p>Until 2019, there were no published reports of trace element hyperaccumulation in the plants of Central America or Mexico. Recent reports, based mostly on measurement of herbarium specimens using x-ray fluorescence (XRF) spectroscopy, have begun to identify hyperaccumulators of nickel (Ni) in this region. The most extensive deposits of Ni-rich ultramafic rocks and soils in Central America occur along the Polochic-Motagua fault system in eastern Guatemala. This study focused on discovery and characterization of new hyperaccumulators in Guatemala, starting with surveys of herbarium specimens, followed by field studies to understand the ultramafic soils of the region and the ecology of hyperaccumulators that occur there. Initial XRF screening at the Missouri Botanical Garden Herbarium, along with two herbaria in Guatemala, identified four previously unreported Ni hyperaccumulators—<i>Arachnothryx linguiformis</i>, <i>Arachnothryx buddleioides</i>, <i>Chionanthus panamensis</i>, and <i>Orthion guatemalense</i>. Field studies in Guatemala characterized the communities in which these species occur, some of which include multiple hyperaccumulator species growing in close proximity. In two taxa that showed phenotypic variation in foliar Ni concentration, there was no statistically significant correlation between Ni concentrations in leaves and either the total or DTPA-extractable Ni in soils, suggesting that other genetic or environmental variables may influence hyperaccumulation.</p>","PeriodicalId":11434,"journal":{"name":"Ecological Research","volume":"39 6","pages":"838-851"},"PeriodicalIF":1.4,"publicationDate":"2024-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/1440-1703.12495","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142748939","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Phytoremediating the air down under: Evaluating airborne particulate matter accumulation by 12 plant species in Australia 对澳大利亚的空气进行植物修复:评估澳大利亚 12 种植物对空气中微粒物质的积累情况
IF 1.4 4区 环境科学与生态学
Ecological Research Pub Date : 2024-06-12 DOI: 10.1111/1440-1703.12493
Anamika Roy, Mamun Mandal, Arkadiusz Przybysz, Alison Haynes, Sharon A. Robinson, Abhijit Sarkar, Robert Popek
{"title":"Phytoremediating the air down under: Evaluating airborne particulate matter accumulation by 12 plant species in Australia","authors":"Anamika Roy,&nbsp;Mamun Mandal,&nbsp;Arkadiusz Przybysz,&nbsp;Alison Haynes,&nbsp;Sharon A. Robinson,&nbsp;Abhijit Sarkar,&nbsp;Robert Popek","doi":"10.1111/1440-1703.12493","DOIUrl":"10.1111/1440-1703.12493","url":null,"abstract":"<p>Atmospheric particulate matter (PM) is the most inhaled hazardous air pollutant that can cause adverse health impacts. Plants can remove such contaminants and act as biological filters through phytoremediation. In this study, we screened 12 Australian native species (two deciduous trees, three evergreen shrubs, and seven evergreen trees) growing in three regions to determine their potential in accumulating leaf surface (<sub>S</sub>PM) and in-wax PM (<sub>W</sub>PM). Among the screened species, <i>Lagunaria patersonia</i> (139.22 μg cm<sup>−2</sup>) was the most effective PM accumulator, followed by <i>Ficus obliqua</i> (131.02 μg cm<sup>−2</sup>). <i>L. patersonia</i> is an Australian native tree with a dense crown that can efficiently trap PM due to air turbulence between its leaves and branches; broad leaves with a rough texture enhance the plant's ability to trap PM. On the contrary, morphological characteristics like evergreen leaves with hairy appendages may act as an efficient trap for PM in <i>F. obliqua</i>. Due to smoother leaves, the least effective species were <i>F. rubignosa</i> and <i>Eucalyptus saligna</i>. In addition to leaf shape, leaf structures and micromorphology influence PM accumulation. For instance, <i>Pittosporum undulatum</i> accumulated more PM due to its wrinkled and folded leaf structures despite a significantly lower waxes layer. The findings highlight the importance of planting efficient PM accumulator species to shield vulnerable areas from pollution and decrease human exposure to pollutants. The sink capacity of these species can be used in urban tree planning to combat air pollution and improve air quality.</p>","PeriodicalId":11434,"journal":{"name":"Ecological Research","volume":"40 3","pages":"314-326"},"PeriodicalIF":1.4,"publicationDate":"2024-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141354549","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Genotypic variations appear in fine root morphological traits of Cryptomeria japonica trees grown in a common garden 普通花园中种植的隐花粳树细根形态特征出现基因型变异
IF 1.4 4区 环境科学与生态学
Ecological Research Pub Date : 2024-06-10 DOI: 10.1111/1440-1703.12492
Ryo Nakahata, Wakana A. Azuma, Tomoko Tanabe, Kiyosada Kawai, Tsutom Hiura
{"title":"Genotypic variations appear in fine root morphological traits of Cryptomeria japonica trees grown in a common garden","authors":"Ryo Nakahata,&nbsp;Wakana A. Azuma,&nbsp;Tomoko Tanabe,&nbsp;Kiyosada Kawai,&nbsp;Tsutom Hiura","doi":"10.1111/1440-1703.12492","DOIUrl":"10.1111/1440-1703.12492","url":null,"abstract":"<p>Fine root morphological traits regulate the belowground resource acquisition strategies of trees. Therefore, investigating genotypic variations isolated from environmental variations within tree species helps in understanding how genotypic backgrounds affect intragenerational tree acclimation to the growing environment. Thus, this study aimed to clarify the effects of genotypic variations on the fine root morphology of three types of Japanese cedar (<i>Cryptomeria japonica</i>), which were derived from different provenances but were grown in a common garden. In the three geographically different provenances of <i>C. japonica</i> stands (Yanase, Yoshino, and Yaku), fine root morphological traits, such as root length and diameter and specific root length (SRL), were measured for each root up to the 4th branching order. Yaku cedar exhibited root traits distinct from the other provenances, such as growing longer and thinner roots in 1st root order to enhance root surface area. In addition, the SRL patterns with root orders and higher root tissue density suggested a resource conservation strategy. Yanase cedar demonstrated a significantly higher root branching ratio and specific root tips than the other provenances, indicating a strategy for investing resources in absorptive roots. Although Yoshino cedar had traits similar to those of Yanase cedar or intermediate between Yanase and Yaku cedars, high aboveground production may be achieved through nutrient acquisition with root exudates instead of absorptive root growth. Genotypic variations appeared in fine root morphological traits of <i>C. japonica</i> trees, even when grown in the same environments, implying distinct resource acquisition strategies characterized by each provenance.</p>","PeriodicalId":11434,"journal":{"name":"Ecological Research","volume":"39 5","pages":"717-729"},"PeriodicalIF":1.4,"publicationDate":"2024-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/1440-1703.12492","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141361441","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A new species of Odontarrhena (Brassicaceae) endemic to Greek ultramafics: From taxonomy to metal accumulation behavior 希腊超钙钛矿特有的新物种 Odontarrhena(十字花科):从分类到金属积累行为
IF 1.4 4区 环境科学与生态学
Ecological Research Pub Date : 2024-06-09 DOI: 10.1111/1440-1703.12491
Isabella Bettarini, Elisabetta Bianchi, Ilaria Colzi, Andrea Coppi, Guillaume Echevarria, Cristina Gonnelli, Federico Selvi
{"title":"A new species of Odontarrhena (Brassicaceae) endemic to Greek ultramafics: From taxonomy to metal accumulation behavior","authors":"Isabella Bettarini,&nbsp;Elisabetta Bianchi,&nbsp;Ilaria Colzi,&nbsp;Andrea Coppi,&nbsp;Guillaume Echevarria,&nbsp;Cristina Gonnelli,&nbsp;Federico Selvi","doi":"10.1111/1440-1703.12491","DOIUrl":"10.1111/1440-1703.12491","url":null,"abstract":"<p>A new species of <i>Odontarrhena</i> (Brassicaceae) is described from Mount Vourinos in western Macedonia, Greece. The species is restricted to the ridge and the northern slopes of Mt. Vourinos above 1500 m a.s.l. and grows on stony slopes and dry rocky grassland on ultramafic soil with elevated trace metal concentrations. Based on morphological, karyological, and nrDNA sequences, the species is tetraploid with supernumerary B-chromosomes (2<i>n</i> = 4× = 32 + 2B) and related to the Balkan endemic <i>Odontarrhena decipiens</i>. It differs from the latter mainly by the habit of subshrub with woody base and a denser indumentum of stellate trichomes, resulting in a white-silvery color of the leaves and shoots. The presence of four degenerate positions in the ITS1 region was detected only in the new species from Mt. Vourinos. Shoot Ni concentrations determined by x-ray fluorescence analysis and atomic absorption spectroscopy were largely variable (6200–18,700 μg g<sup>−1</sup> dw), but always significantly higher than in roots. Hydroponic trials confirmed the typical features of Ni hyperaccumulating plants, such as growth stimulating effect at low metal doses and shoot metal concentration above the hyperaccumulation threshold. The new species of <i>Odontarrhena</i> is a Ni hyperaccumulator with substantial aboveground biomass production, making it a promising candidate for phytomining applications.</p>","PeriodicalId":11434,"journal":{"name":"Ecological Research","volume":"39 6","pages":"822-837"},"PeriodicalIF":1.4,"publicationDate":"2024-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141367415","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Network structure indicators predict ecological robustness in food webs 网络结构指标可预测食物网的生态稳健性
IF 1.4 4区 环境科学与生态学
Ecological Research Pub Date : 2024-05-28 DOI: 10.1111/1440-1703.12489
Yi Tang, Fengzhen Wang, Wenhao Zhou
{"title":"Network structure indicators predict ecological robustness in food webs","authors":"Yi Tang,&nbsp;Fengzhen Wang,&nbsp;Wenhao Zhou","doi":"10.1111/1440-1703.12489","DOIUrl":"10.1111/1440-1703.12489","url":null,"abstract":"<p>Food web robustness is a critical aspect of ecosystem stability and has been extensively studied in ecology. However, the potential of machine learning techniques in predicting food web robustness and the identification of key network structure indicators have not been fully explored. We compared the suitability of different machine learning methods and assessed the relative importance of network structure indicators for predicting the robustness of food webs. We utilized a variety of food web datasets spanning different ecosystems to calculate network structure indicators, which include average distance (AD), betweenness centrality (BC), directional connectivity (C), closeness centrality (CC), diameter (D), degree centrality (DC), edge betweenness centrality (EBC), number of links (L), linkage density (LD), and number of nodes (N). We then compared the performance of machine learning methods, including artificial neural network (ANN), random forest (RF), least absolute shrinkage and selection operator (LASSO), and decision tree (DT), and evaluated the relative importance of network structure indicators on robustness predictions. The results demonstrate that the RF model has the best performance (MAE = 0.0178, RMSE = 0.0263, <i>R</i><sup>2</sup> = 0.9063). Meanwhile, the CC indicator has a significant impact in predicting robustness of food webs. It is suggested that both the RF model and the CC indicator should be considered seriously in predicting food web robustness. This research elucidates the differential outcomes when various machine learning methodologies and indicators are employed to predict the robustness of food webs. It significantly enhances our understanding by demonstrating the precise capability of machine learning models in forecasting the robustness of food webs.</p>","PeriodicalId":11434,"journal":{"name":"Ecological Research","volume":"39 5","pages":"766-774"},"PeriodicalIF":1.4,"publicationDate":"2024-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141193530","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A biogeochemical model of acidification: MAGIC is alive and well 酸化的生物地球化学模型:MAGIC 模型生机勃勃
IF 1.4 4区 环境科学与生态学
Ecological Research Pub Date : 2024-05-26 DOI: 10.1111/1440-1703.12487
Magnus D. Norling, Øyvind Kaste, Richard F. Wright
{"title":"A biogeochemical model of acidification: MAGIC is alive and well","authors":"Magnus D. Norling,&nbsp;Øyvind Kaste,&nbsp;Richard F. Wright","doi":"10.1111/1440-1703.12487","DOIUrl":"10.1111/1440-1703.12487","url":null,"abstract":"<p>For 40 years, Model of Acidification of Groundwater In Catchments (MAGIC) has been used to simulate the acidification of soils and waters due to acid deposition. The original model (MAGIC v8) has now been updated and re-implemented in the C++ Mobius platform and is available as open source. MAGIC-Forest includes new modules describing hydrology, forest growth, and soil carbon. The Mobius platform facilitates automatic optimization of calibrated parameters and multipoint calibrations using Monte-Carlo routines. The usefulness of MAGIC is demonstrated here by application to the 50-year data series for deposition and runoff at Birkenes, a small, calibrated catchment in southern Norway. Acid deposition has declined dramatically at Birkenes since the peak in the 1970s. Sulfate is 90% lower. Stream water has recovered strongly. Decreased concentrations of sulfate have led to increased acid-neutralizing capacity, pH, and reduced concentrations of toxic aluminum. These changes are well-simulated by MAGIC. The sulfate control on organic carbon solubility added as part of MAGIC-Forest improves the simulations. The MAGIC-Forest modeling tool is now available for applications to scenarios of land-use and climate change.</p>","PeriodicalId":11434,"journal":{"name":"Ecological Research","volume":"40 3","pages":"303-313"},"PeriodicalIF":1.4,"publicationDate":"2024-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/1440-1703.12487","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141193529","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Plant strategy of root system architecture and exudates for acquiring soil nutrients 植物根系结构和渗出物获取土壤养分的策略
IF 1.4 4区 环境科学与生态学
Ecological Research Pub Date : 2024-05-21 DOI: 10.1111/1440-1703.12477
Kazumichi Fujii
{"title":"Plant strategy of root system architecture and exudates for acquiring soil nutrients","authors":"Kazumichi Fujii","doi":"10.1111/1440-1703.12477","DOIUrl":"10.1111/1440-1703.12477","url":null,"abstract":"<p>Vascular plants develop diverse root system architectures and exudates to facilitate acquisition of soil nutrients (nitrogen and phosphorus). Plant species have inherently specific properties of root system architectures and exudates, but some plants exhibit high plasticity to respond to spatiotemporal variations in soil nutrient forms and availability. This paper synthesizes evidence on how plant species diversity and root plasticity contribute to soil nutrient mobilization and uptake in plants from the tropics to the Arctic with varying plant species diversity. The development of finer roots in the surface soil is a well-known strategy for the acquisition of limited nutrients (especially phosphorus), but the allocation of roots foraging “nutrient hotspots” in deeper soil (podzolic soil or permafrost-affected soils) is an alternative strategy for coniferous trees tested in the Arctic and boreal forests. This contrasts with findings in tropical forests, where diverse plant species with different capacities of organic acid exudation coexist and species composition shifts in response to phosphorus deficiency. In particular, high malate exudation from roots and rhizosphere microbes stimulates phosphorus solubilization, aluminum detoxification, and lignin degradation in acidic soils. The diversity and plasticity of the root system architecture, root exudation, and the flexibility of nutrient sources mitigate nutrient limitation in soil. Root plasticity facilitating soil nutrient acquisition has a large impact on biogeochemistry and soil formation, such as podzolization, in the long term.</p>","PeriodicalId":11434,"journal":{"name":"Ecological Research","volume":"39 5","pages":"623-633"},"PeriodicalIF":1.4,"publicationDate":"2024-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/1440-1703.12477","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141117096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Announcement of the 24th Ecological Research Paper Award 第 24 届生态研究论文奖公告
IF 1.4 4区 环境科学与生态学
Ecological Research Pub Date : 2024-05-16 DOI: 10.1111/1440-1703.12474
{"title":"Announcement of the 24th Ecological Research Paper Award","authors":"","doi":"10.1111/1440-1703.12474","DOIUrl":"10.1111/1440-1703.12474","url":null,"abstract":"","PeriodicalId":11434,"journal":{"name":"Ecological Research","volume":"39 3","pages":""},"PeriodicalIF":1.4,"publicationDate":"2024-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140952766","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Can vermicomposting be used to process hyperaccumulator biomass in nickel agromining? 蚯蚓堆肥是否可用于处理镍矿开采中的高积累生物质?
IF 1.4 4区 环境科学与生态学
Ecological Research Pub Date : 2024-05-13 DOI: 10.1111/1440-1703.12479
Celestino Quintela-Sabarís, Adrián Fernández Dosouto, María Gómez-Brandón, Jorge Domínguez
{"title":"Can vermicomposting be used to process hyperaccumulator biomass in nickel agromining?","authors":"Celestino Quintela-Sabarís,&nbsp;Adrián Fernández Dosouto,&nbsp;María Gómez-Brandón,&nbsp;Jorge Domínguez","doi":"10.1111/1440-1703.12479","DOIUrl":"10.1111/1440-1703.12479","url":null,"abstract":"<p>Hyperaccumulator plants are a botanical curiosity that have allowed the development of agromining of metals, with a special focus on nickel. In nickel agromining, this element is recovered from ashed hyperaccumulators cultivated on metal-rich soils. In order to explore bio-based approaches for the decomposition of hyperaccumulator biomass and nickel recovery that do not include burning, we performed a vermicomposting experiment using the earthworm species <i>Eisenia andrei</i> and the biomass of <i>Bornmuellera emarginata</i> (which contained almost 1% of nickel). We conducted our experiment for 12 weeks and assessed the decomposition process of the hyperaccumulator biomass, changes in earthworm number and biomass, and changes in nickel concentration and mobility. Despite the initial mortality and an increase of Ni concentration in earthworm tissues, <i>E. andrei</i> was able to decompose <i>B. emarginata</i> biomass. This process also showed a massive colonization of the biomass by a fungus during the first weeks of the assay. Our results indicate that the vermicomposted hyperaccumulator biomass had a higher nickel concentration than the starting material but the diethylenetriaminepentaacetic acid-extractable nickel decreased. At the same time, due to earthworm activity, the nickel was redistributed and diluted in the vermicompost bedding, reducing the interest of this approach for agromining, but opening the perspective of using the vermicomposted hyperaccumulator biomass as an organic amendment in nickel-deficient crops.</p>","PeriodicalId":11434,"journal":{"name":"Ecological Research","volume":"39 4","pages":"611-620"},"PeriodicalIF":1.4,"publicationDate":"2024-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/1440-1703.12479","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140929087","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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