Journal of environmental radioactivity最新文献

{"title":"Warming coupled with uranium exposure can alter the marine microbial community and induce toxin accumulation in shellfish","authors":"Ran-li Wang ,&nbsp;Qian Fu ,&nbsp;Ge Yao ,&nbsp;Jin-long Lai ,&nbsp;Shao-heng Bao ,&nbsp;Xue-gang Luo ,&nbsp;Hui Jiang ,&nbsp;Yu Zhang ,&nbsp;Peng-gang Han","doi":"10.1016/j.jenvrad.2025.107778","DOIUrl":"10.1016/j.jenvrad.2025.107778","url":null,"abstract":"<div><div>This study explores the coupled effects of warming and uranium exposure on marine microbial communities and assesses their potential impact on shellfish toxicity. Different temperature conditions (20 °C and 30 °C) and uranium exposure levels (a controlled setting, 25 μM, and 50 μM) were simulated in an artificial climate chamber. The results indicate that the coupling of warming and uranium exposure significantly altered the water system's properties, including its pH, dissolved oxygen, redox potential, and conductivity. The uranium exposure also significantly altered the diversity and composition of the seawater's microbial community, increasing <em>Pseudomonadota</em>, <em>Flavobacteriia</em>, and <em>Marivita</em> while decreasing <em>Gammaproteobacteria</em>. When subjected to warming and uranium exposure, toxin-producing dinoflagellates exhibited upregulation in toxin anabolism and cell signaling at the gene level, leading to a 25 % increase in toxic synthesis compared to the control group. These changes were positively correlated with temperature and pollution levels, suggesting that uranium exposure and warming promote toxin accumulation in dinoflagellates. The study highlights that seawater warming and uranium exposure synergistically affect microbial community diversity and shellfish toxicity, potentially inducing toxin accumulation in shellfish. Thus, under the conditions of global climate change, uranium exposure may increase the risk of toxin accumulation in shellfish living in seawater.</div></div>","PeriodicalId":15667,"journal":{"name":"Journal of environmental radioactivity","volume":"289 ","pages":"Article 107778"},"PeriodicalIF":2.1,"publicationDate":"2025-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144842812","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}

{"title":"Mechanisms of dynamic seepage response of 3H and 238Pu in the surrounding of a disposal repository in northwest China","authors":"Chao Chen ,&nbsp;Ke Chen ,&nbsp;Ying Hao ,&nbsp;Aiming Zhang ,&nbsp;Bing Lian ,&nbsp;Jun Zhu ,&nbsp;Chunli Liu","doi":"10.1016/j.jenvrad.2025.107779","DOIUrl":"10.1016/j.jenvrad.2025.107779","url":null,"abstract":"<div><div>During the disposal of low- and intermediate-level waste, damage to the fuel casing through oxidation and breakage can lead to the leaching and migration of radionuclides, posing significant risks to the surrounding environment. This study addresses these challenges by highlighting the limitations of relying solely on batch experiments and chemical reaction models, which may lead to overly conservative assessments of radionuclide migration. Instead, a comprehensive approach that integrates both physical nonequilibrium and chemical nonequilibrium adsorption mechanisms is warranted for a more accurate appraisal of the adsorption behavior of ²³⁸Pu within environmental media. This article studied the migration of ³H and ²³⁸Pu in different stratigraphic media through column experiments, and fitted their non-equilibrium reaction processes. The obvious asymmetry in the break-through-curves of ³H and ²³⁸Pu in strongly weathered granite is due to the large pore preferential flow or channels. The symmetry of the peak shape of the ³H curve in medium sand and gravel sand with more uniform structure is significantly better than that in strongly weathered granite, indicating that the reaction is less affected by physical non-equilibrium mechanisms. Remarkably, all four models-LEA, OSM, TSM, and TRM-effectively align with the experimental data. When considering chemical non-equilibrium adsorption, both TSM and TRM models denote a superior fit compared to the LEA and OSM models, underscoring the influence of chemical nonequilibrium adsorption. For strongly weathered granite media, the TRM two-zone model exhibits a higher degree of precision in fitting the experimental data and highlights the exacerbating effect of large pore preferential flow conductive channels on ²³⁸Pu mobility.</div></div>","PeriodicalId":15667,"journal":{"name":"Journal of environmental radioactivity","volume":"289 ","pages":"Article 107779"},"PeriodicalIF":2.1,"publicationDate":"2025-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144829787","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}

{"title":"Determination of the radon progeny activity size distribution at different types of workplaces","authors":"Petr PS. Otahal ,&nbsp;Eliska Fialova","doi":"10.1016/j.jenvrad.2025.107781","DOIUrl":"10.1016/j.jenvrad.2025.107781","url":null,"abstract":"<div><div>Inhalation of radon and its short-lived progeny is one of the most significant contributors to the total effective dose from natural sources of ionising radiation. Exposure to radon progeny represents a substantial health risk, primarily due to its established link to lung cancer. Dose coefficients are derived from biokinetic models describing the behaviour of radon decay products in the respiratory tract, combined with dosimetric models that account for energy deposition from emitted radiation.</div><div>Given the variability of environmental and working conditions at different workplaces, obtaining site-specific aerosol data to support more accurate and tailored dose coefficient calculations is beneficial. The key parameters influencing effective dose include the equilibrium equivalent activity concentration (EEAC), total aerosol concentration, and the size distribution of radioactive aerosol particles. Additional factors such as work activity, relative humidity, and ventilation type significantly affect aerosol characteristics and, consequently, the equilibrium factor (F) and the unattached fraction (f_p), which can vary considerably between sites.</div><div>This study presents field measurements of the activity size distribution of short-lived radon progeny at several workplaces, using the Dekati ELPI + cascade impactor and the Graded Screen Array Diffusion Battery (GSA DB). The measurements were conducted primarily at underground workplaces with natural ventilation, including former mining excavations and tourist caves. For comparison, the study also includes one site with forced ventilation—a facility for disposing of low-level radioactive waste—and one outdoor location influenced by radon exhalation from a uranium mining waste rock dump.</div></div>","PeriodicalId":15667,"journal":{"name":"Journal of environmental radioactivity","volume":"289 ","pages":"Article 107781"},"PeriodicalIF":2.1,"publicationDate":"2025-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144828222","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}

{"title":"Systematic study on the relationship between Beryllium-7 concentration with dynamics of northeast monsoon activity","authors":"Mohd Fauzi Haris ,&nbsp;Norita Md Norwawi ,&nbsp;Mohd Hafez Mohd Isa ,&nbsp;Muhammad Rawi Mohamed Zin ,&nbsp;Mohd Zaid Hassan Abdul Rahman ,&nbsp;Haizum Ruzanna Sahar ,&nbsp;Azlai Ta'at","doi":"10.1016/j.jenvrad.2025.107775","DOIUrl":"10.1016/j.jenvrad.2025.107775","url":null,"abstract":"<div><div>Several radionuclide stations established by the Comprehensive Nuclear Test-ban Treaty (CTBT) have provided a unique opportunity for systematic study in the investigation of Beryllium-7 (Be-7) concentration for environmental applications. These stations are located along wind pathways during the Northeast Monsoon season. The cosmogenic radionuclide Be-7, also detected by these stations, serves as a tracer for atmospheric processes, particularly precipitation dynamics influenced by monsoonal patterns. This research explores the correlation between Be-7 concentration and the two types of surges during the Northeast Monsoon in Malaysia, encompassing Easterly (ES) and Meridional surges (MS). The Northeast Monsoon, a significant climatic phenomenon in Southeast Asia, impacts regional weather patterns and precipitation levels. Understanding the correlation between Be-7 concentration and these two surges could provide insights into atmospheric transport mechanisms, rainfall variability, and potential implications for climate and environmental studies. The Granger Causality test is applied to examine the relationship between Be-7 concentration and key monsoonal dynamics represented by the Meridional Surge (MS) and Easterly Surge (ES) indices. Significant predictive lags (2–11 days) are identified at several radionuclide stations, indicating Be-7's potential as a leading indicator of monsoonal rainfall timing and intensity. These results align with existing evidence that Be-7 concentrations are influenced by atmospheric factors such as humidity, dryness, and precipitation.</div></div>","PeriodicalId":15667,"journal":{"name":"Journal of environmental radioactivity","volume":"289 ","pages":"Article 107775"},"PeriodicalIF":2.1,"publicationDate":"2025-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144779607","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}

{"title":"Corrigendum to “Exploratory study of erosion in cultivated organic soils using cesium-137 measurements” [J. Environ. Radioact. 282 (2025) 107574]","authors":"Alexis Gloutney ,&nbsp;Claude Bernard ,&nbsp;Jacynthe Dessureault-Rompré","doi":"10.1016/j.jenvrad.2025.107764","DOIUrl":"10.1016/j.jenvrad.2025.107764","url":null,"abstract":"","PeriodicalId":15667,"journal":{"name":"Journal of environmental radioactivity","volume":"289 ","pages":"Article 107764"},"PeriodicalIF":2.1,"publicationDate":"2025-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144768720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}

{"title":"Development and testing of a continuous maritime monitor for radionuclide aerosols","authors":"Michael E. Moore,&nbsp;Martin E. Keillor,&nbsp;Daniel Cain,&nbsp;Thomas W. Hallen,&nbsp;Jared C. Johnson,&nbsp;Dustin M. Kasparek,&nbsp;Sarah A. Mendoza,&nbsp;Cory T. Overman,&nbsp;Benjamin Q. Roberts","doi":"10.1016/j.jenvrad.2025.107777","DOIUrl":"10.1016/j.jenvrad.2025.107777","url":null,"abstract":"<div><div>Monitoring airborne concentrations of radionuclide activity may provide a timely warning to sea-based assets to avoid contamination from a radioactive plume. The development and testing of an automated aerosol monitoring system that can capture and detect radioactive particulate from marine air is presented. A custom electrostatic precipitator (ESP) was designed to capture particulate onto a reusable collection media. The collection efficiency of the ESP system for radon progeny was determined to be ∼23 %. A conservative calculation of the minimum detectable concentration of ²¹⁴Bi was estimated as 0.3–8 Bq/m³. The system was demonstrated in continuous operation, without consumables and limited maintenance, in a marine environment at the PNNL campus in Sequim, Washington. A successful 2-month deployment indicates the feasibility of the approach for continuous maritime monitoring for radionuclide aerosols.</div></div>","PeriodicalId":15667,"journal":{"name":"Journal of environmental radioactivity","volume":"289 ","pages":"Article 107777"},"PeriodicalIF":2.1,"publicationDate":"2025-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144757846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}

{"title":"No toxicity to the tropical marine microalgae Tisochrysis lutea from gamma radiation","authors":"Alexandra Bastick ,&nbsp;Tom Cresswell ,&nbsp;Jessica Tout-Lyon ,&nbsp;Darren Koppel ,&nbsp;Merrin Adams ,&nbsp;Rebecca Fisher ,&nbsp;Francesca Gissi","doi":"10.1016/j.jenvrad.2025.107774","DOIUrl":"10.1016/j.jenvrad.2025.107774","url":null,"abstract":"<div><div>Environmental risk assessments for contaminants require toxicological data to evaluate the potential effect on organisms and ecosystems of interest. As human activities in marine environments continue to intensify, so does the presence of contaminants such as Naturally Occurring Radionuclides and Radioactive Materials (NOR and NORM, respectively), and the risk of NORM contamination has risen globally through resource extraction. The FASSET radiation effects database (FRED) has compiled radiation toxicity data to collate the existing ionising radiation effect data for non-human species, leading to environmental thresholds such as the 10 μGy/h international screening level to protect 95 % of organisms in all ecosystems. However, approximately 6 % of the data used to derive this, and other, guideline levels pertain to marine organisms and may not accurately represent the sensitivities of marine species. NORM can accumulate in subsea infrastructure during oil and gas extraction and may persist in the environment during production and after decommissioning. If NORM contaminated infrastructure is left in situ, or repurposed as an artificial reef, local marine organisms may receive elevated radiation doses prior to infrastructure degradation due to the potential presence of gamma emitting radionuclides. As the impacts of radiation are not well understood for marine organisms, more relevant toxicity data is required to develop appropriate guidelines and risk assessments to ensure ecosystem protection during and after decommissioning. In this study, tropical marine microalga <em>Tisochrysis lutea</em> were exposed to gamma radiation from a sealed source of Cesium-137 in chronic growth inhibition toxicity assays at dose rates ranging from 0.01 to 7.9 mGy/h. Results indicated a slight hormesis response and minimal impact on the population growth of <em>T. lutea</em> up to the maximum tested dose rate, and the extrapolated No (Significant) Effect Concentration (N(S)EC) was 8.8 mGy/h. This is higher than environmentally relevant exposure levels and international dose rate screening levels for non-human biota, suggesting that this species is resilient to radiation exposure at these levels. Further investigation is recommended to identify more sensitive species and endpoints for radiation toxicity and that standard toxicity tests are conducted for a wider range of marine species to derive a water quality guideline for radiation.</div></div>","PeriodicalId":15667,"journal":{"name":"Journal of environmental radioactivity","volume":"289 ","pages":"Article 107774"},"PeriodicalIF":2.1,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144750409","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}

{"title":"Chemical analogues and probabilistic functions to derive distribution coefficients of radium in soils","authors":"Joan Serra-Ventura ,&nbsp;Guillem Sabaté-Herrero ,&nbsp;Anna Rigol ,&nbsp;Miquel Vidal","doi":"10.1016/j.jenvrad.2025.107769","DOIUrl":"10.1016/j.jenvrad.2025.107769","url":null,"abstract":"<div><div>The existing data gaps in the sorption and desorption parameters of naturally occurring radionuclides (e.g., radium (Ra)) challenge the use of radioecological risk assessment models. We present two alternatives for deriving Ra distribution coefficients (K_d (Ra)) in soils when the physicochemical information on the solid and liquid phases involved is too scarce to apply parametric prediction models: the deduction of sorption parameters from those of chemical analogues (such as Ba and Sr) and the proposal of best estimate K_d (Ra) values deduced from probabilistic distribution functions of data grouped according to relevant factors affecting K_d (Ra) variability. Regarding the use of chemical analogues, partial least squares regression analysis and univariate linear correlations revealed that Ba and Ra sorption in soils was governed by the same soil properties (K_d (Ca + Mg) and Mn_am), related to exchangeable sites on the soil surface. The derivation of K_d (Ra) values from K_d (Ba) and also K_d (Sr) is feasible by applying suitable correction factors. Furthermore, several K_d (Ra) best estimates were derived from the distribution functions of K_d (Ra) datasets obtained from own and literature data. Statistical differences were noticed for the sorption and desorption datasets (the latter significantly affected by data from native Ra), leading to the proposal of distinct K_d (Ra) values (870 and 2760 L kg⁻¹, respectively) for uptake and remobilisation scenarios. Regarding the desorption data, diverse K_d (Ra) best estimates were suggested for acidic (1540 L kg⁻¹) and alkaline (6440 L kg^-1) soils. For the sorption data, statistically different K_d (Ra) best estimates were suggested according to pH (100 and 1240 L kg⁻¹ for pH &lt; 4.5 and pH ≥ 7, respectively) and water-soluble Ca + Mg content, allowing for the selection of the most appropriate best estimate values for use in risk assessment models depending on the available information.</div></div>","PeriodicalId":15667,"journal":{"name":"Journal of environmental radioactivity","volume":"289 ","pages":"Article 107769"},"PeriodicalIF":2.1,"publicationDate":"2025-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144750451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}

{"title":"Tritium and 137Cs levels in marine fishes and in their host seawater around the Fukushima Daiichi Nuclear Power Plant from 2021 to 2024","authors":"Hyoe Takata ,&nbsp;Toshihiro Wada ,&nbsp;Hikaru Miura ,&nbsp;Yoshifumi Wakiyama ,&nbsp;Takuya Niida ,&nbsp;Keiri Imai ,&nbsp;Atsushi Ooki","doi":"10.1016/j.jenvrad.2025.107760","DOIUrl":"10.1016/j.jenvrad.2025.107760","url":null,"abstract":"<div><div>We examined distributions of tritium and cesium-137 (¹³⁷Cs) activity in marine fishes and in simultaneously collected host seawater in 2021–2024 around the Fukushima Daiichi Nuclear Power Plant (FDNPP). From April 2021 to June 2023 (before water treated by a multi-nuclide removal facility was first released into the ocean, hereafter, “before releases”), the mean tritium activity in bottom layer, host water of fishes, collected offshore (&gt;5 km from the FDNPP) was 0.085 Bq/L. In nearshore water (2 km south of the FDNPP), tritium activity varied with fluvial input in 2021 and 2022 and correlated with dissolved ¹³⁷Cs. After the start of treated-water releases in August 2023 (hereafter, “after releases”), at both offshore and nearshore sites, several samples deviated from the line of tritium vs dissolved ¹³⁷Cs before releases, reflecting the input of treated-water-derived tritium. Means of tissue-free-water tritium (TFWT) activities in rockfish and Japanese flounder at offshore site were 0.089 and 0.075 Bq/kg-fresh, respectively, before releases, and 0.081 and 0.13 Bq/kg-fresh, respectively, after. At nearshore site, Japanese flounder TFWT activities after releases were 0.37–0.75 Bq/kg-fresh. The elevated TFWT activities after releases could have been caused by elevated tritium activities in host seawater. There, however, was no difference in the concentration ratios (CRs) of TFWT to host seawater tritium between before releases and after releases, indicating that TFWT quickly responded to changes in host water tritium. Moreover, the CRs of TFWT + total organically bound tritium for rockfish and Japanese flounder offshore after releases were 1 or less, suggesting that tritium was not accumulated in marine fish.</div></div>","PeriodicalId":15667,"journal":{"name":"Journal of environmental radioactivity","volume":"289 ","pages":"Article 107760"},"PeriodicalIF":1.9,"publicationDate":"2025-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144714545","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}

{"title":"Wet deposition of radionuclides: interception under sprinkler irrigation","authors":"S. Fesenko,&nbsp;V. Kuznetsov,&nbsp;N. Sanzharova","doi":"10.1016/j.jenvrad.2025.107772","DOIUrl":"10.1016/j.jenvrad.2025.107772","url":null,"abstract":"<div><div>The paper presents novel data on the interception of radionuclides in vegetables using sprinkler irrigation as a simulator of artificial rain. This information is essential for risk evaluations during both routine operations of nuclear facilities and potential accidental events. In countries with dry climates, where irrigation is an integral part of farming technologies, data on the interception of radionuclides by vegetable crops is crucial for effectively organizing irrigation using cooling water from nuclear reactors. The experiments were conducted in the North Caucasus, a region known for intensive irrigated agriculture, utilizing common vegetable crops such as tomatoes, cucumbers, carrots, table beets, and onions. The research employed a wide range of radionuclides: ⁵⁹Fe, ⁶⁰Co, ⁶⁵Zn, ⁸⁹Sr, ¹⁰⁶Ru, ¹³⁴Cs, and ¹⁴⁴Ce. The study investigated the effects of element properties, plant development stages, and rainfall amounts on radionuclide interception in the crops. It was found that increasing rainfall from 10 to 30 mm resulted in a 1.5– to 3.2–fold increase in the concentration of ⁵⁹Fe and a 1.2– to 3.3–fold increase in the concentration of ¹³⁴Cs in the vegetative mass of plants. A further increase in rainfall, up to 70 mm, did not significantly alter the concentration of either radionuclide in the vegetative mass or the edible parts of the vegetable crops. New approximation was suggested for variations in interception factors with standing biomass of vegetable crops. Based on the strength of their fixation to plant foliage, the radionuclides can be ranked as follows: ⁶⁵Zn ≈ ¹⁴⁴Ce ≥ ⁶⁰Co ≥ ¹⁰⁶Ru &gt; ¹³⁴Cs.</div></div>","PeriodicalId":15667,"journal":{"name":"Journal of environmental radioactivity","volume":"289 ","pages":"Article 107772"},"PeriodicalIF":1.9,"publicationDate":"2025-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144714544","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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}