Ecohydrology & Hydrobiology最新文献

{"title":"Resistance of headwater stream macroinvertebrates to flow pulses","authors":"Zdeněk Adámek ,&nbsp;Jana Konečná ,&nbsp;Petr Karásek","doi":"10.1016/j.ecohyd.2024.02.003","DOIUrl":"10.1016/j.ecohyd.2024.02.003","url":null,"abstract":"<div><div><span><span>Alterations to hydrological regime of running waters are one of the typical manifestations of current </span>climate change<span><span>. Small streams in particular are subject to both periods of critically low flow rates on the one hand and increased discharges at spates on the other. The response of macroinvertebrate assemblages to flow pulses following severe rainfall events was studied in two small highland streams. Benthic macroinvertebrates showed good resistance and resilience against the impacts of increased discharge rates caused by severe rainfall events not exceeding certain limits. No distinct changes were recorded in macroinvertebrate composition following discharge events in which </span>current velocities increased by &lt; 0.35 m.s</span></span>⁻¹; however, significant (p &lt; 0.05) reductions in abundance was recorded following the spate where current velocity increased by &gt; 1 m.s⁻¹. Macroinvertebrate assemblages on gravel substrates were more resistant to the impact of sudden flow pulses than those on sandy substrates.</div></div>","PeriodicalId":56070,"journal":{"name":"Ecohydrology & Hydrobiology","volume":"25 1","pages":"Pages 166-171"},"PeriodicalIF":2.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140167518","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}

{"title":"Effect of light and noise pollution on oxidative stress and proximate composition in Dreissena polymorpha","authors":"Osman Serdar,&nbsp;Nida Demirtaş Erol,&nbsp;Ayşe Nur Aydin","doi":"10.1016/j.ecohyd.2024.03.007","DOIUrl":"10.1016/j.ecohyd.2024.03.007","url":null,"abstract":"<div><div><span>In this study, it was aimed to determine the effect of sound and light pollution on Zebra mussel (</span><em>Dreissena polymorpha</em><span><span><span>) by biomarker and nutritional composition. For this purpose, an experimental design was carried out in laboratory conditions where the model was exposed to live sound, light, and combined sound + light parameters for 30 min every hour over 96 h. Changes in the biomarkers superoxide dismutase (SOD), </span>catalase (CAT), and </span>glutathione<span> peroxidase (GPx) activities, as well as glutathione<span> (GSH) and thiobarbituric acid (TBARS) levels, were assessed in the model organism exposed to sound, light, and sound + light pollution. The changes in protein and fat amounts were determined. When the changes in biomarkers were examined statistically compared to the control, there was no significant decrease in SOD activity (</span></span></span><em>p</em><span> &lt; 0.05), a significant increase in CAT activity in sound and sound+light, but a significant decrease in light (</span><em>p</em> &lt; 0.05), no significant difference in GPx activity (<em>p</em><span> &gt; 0.05). It was determined that there was a significant increase in GSH and TBARS levels in all three parameters. Significant changes were also observed in the proximate composition. As a result, exposure to sound, light and sound+light pollution caused an increase in oxidative damage and decreases in protein and lipid composition were detected.</span></div></div>","PeriodicalId":56070,"journal":{"name":"Ecohydrology & Hydrobiology","volume":"25 1","pages":"Pages 250-257"},"PeriodicalIF":2.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140764292","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}

{"title":"Biogeochemical and microbial community structure differently modulates CO2 and CH4 dynamics in two adjacent volcanic lakes (Monticchio, Italy)","authors":"Stefano Fazi ,&nbsp;Jacopo Cabassi ,&nbsp;Francesco Capecchiacci ,&nbsp;Cristiana Callieri ,&nbsp;Ester M Eckert ,&nbsp;Stefano Amalfitano ,&nbsp;Luca Pasquini ,&nbsp;Roberto Bertoni ,&nbsp;Orlando Vaselli ,&nbsp;Franco Tassi ,&nbsp;Bertram Boehrer ,&nbsp;Giovannella Pecoraino ,&nbsp;Lorenza Li Vigni ,&nbsp;Sergio Calabrese ,&nbsp;Monia Procesi ,&nbsp;Michele Paternoster","doi":"10.1016/j.ecohyd.2023.12.003","DOIUrl":"10.1016/j.ecohyd.2023.12.003","url":null,"abstract":"<div><div>By hosting significant amounts of extra-atmospheric dissolved gases, including geogenic CO₂ and CH₄<span>, volcanic lakes provide relevant ecosystem services through the key role the aquatic microbial community<span><span><span> in mediating freshwater carbon fluxes. In view of elucidating the mechanisms governing the microbial spatial distribution and the possible implications for ecosystem functioning, we compared the hydrogeochemical features and the </span>microbial community structure of two adjacent stratified volcanic lakes (Lake Grande - LG and Lake Piccolo - LP). </span>Water chemistry<span>, gases and their isotopic composition<span> were coupled with microbial pigment profiling, cell counting, and phylogenetic analyses. LP showed transparent waters with low concentrations of chlorophyll-</span></span></span></span><em>a</em> and the occurrence of phycoerytrin-rich cyanobacteria. LG was relatively more eutrophic with a higher occurrence of diatoms and phycocyanine-rich cyanobacteria. Considering the higher concentrations of CO₂ and CH₄ in bottom waters, the oligotrophic LP was likely a more efficient sink of geogenic CO₂<span><span> in comparison to the adjacent eutrophic LG. The prokaryotic community was dominated by the mixothrophic hgcI clade (family Sporichthyaceae) in the LG surface waters, while in LP this taxon was dominant down to -15 m. Moreover, in LP, the bottom dark waters harbored a unique strictly anaerobic bacterial assemblage associated with methanogenic </span>Archaea<span> (i.e. Methanomicrobiales), resulting in a high biogenic methane concentration. Water layering and light penetration were confirmed as major factors affecting the microbial distribution patterns. The observed differences in the geochemical and trophic conditions reflected the structure of the aquatic microbial community, with direct consequences on the dynamics of dissolved greenhouse gases.</span></span></div></div>","PeriodicalId":56070,"journal":{"name":"Ecohydrology & Hydrobiology","volume":"25 1","pages":"Pages 42-53"},"PeriodicalIF":2.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139539962","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}

{"title":"The new dimension in judicial decisions for acceleration of water resources and biosphere sustainability","authors":"Monika Zalewska","doi":"10.1016/j.ecohyd.2024.01.007","DOIUrl":"10.1016/j.ecohyd.2024.01.007","url":null,"abstract":"<div><div>This article aims to recommend a new innovative solution to the problem of low awareness of judges who rule in water law cases. The examination of case studies<span> revealed that the challenge does not invariably reside within the legal framework; rather, it is intricately linked to the environmental awareness of the judiciary. Judges often hesitate to prioritize environmental concerns as paramount, a hesitation grounded in discernible reasons. In the concluding section, a potential solution was advanced, positing that an imperative shift in environmental education, grounded in John Rawls's theory of justice, could serve as a transformative paradigm in judicial cognition. This proposed solution facilitates a shift in judges' perspectives from the immediate 'right here, right now' to a broader consideration of 'future generations.' Additionally, potential training measures were recommended in the final section as a means to instigate such a transformative change in perspective.</span></div></div>","PeriodicalId":56070,"journal":{"name":"Ecohydrology & Hydrobiology","volume":"25 1","pages":"Pages 106-114"},"PeriodicalIF":2.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139829769","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}

{"title":"Research on the carbon profit and loss correlation mechanism of sponge city construction life cycle in urban built up areas","authors":"Chunbo Jiang ,&nbsp;Yangxuan Zhang ,&nbsp;Xiang Zhang ,&nbsp;Qiaohui Han ,&nbsp;Yi Xiao","doi":"10.1016/j.ecohyd.2024.01.011","DOIUrl":"10.1016/j.ecohyd.2024.01.011","url":null,"abstract":"<div><div><span>Climate change<span> and rapid urbanization have changed the urban eco-hydrological cycle. Understanding the carbon profit and loss correlation mechanism of sponge city construction life cycle helps identify the eco-environmental benefits. This study constructs a set of carbon accounting<span> methods under the concept of sponge city, which mainly consists of basic database, carbon emission accounting, carbon neutralization, uncertainty and sensitivity analysis module. Taking a typical urban built-up area in </span></span></span><em>Xi'an City</em> as an example, the main sources of carbon emissions from sponge transformation projects are material production and construction, and the sponge transformation project created a carbon source of 95 kg CO₂/m²<span><span> during the two phases. Carbon neutrality<span> mainly includes building energy saving and green space </span></span>carbon sequestration, and the latent capacity is 219.92 kg CO</span>₂/m²<span>·year in 50-year accounting period, besides, the static investment payback period for carbon emissions is about 25 years in environmental economics. Based on the Analytic Hierarchy Process (AHP) + Data Quality Indicator (DQI) method combined with Monte Carlo simulation (MCs), the relative standard deviation (</span><em>RSD</em>)=0.17 is a relatively reliable result. The most significant influence on the results is the electricity factor in the parameters sensitivity analysis.</div></div>","PeriodicalId":56070,"journal":{"name":"Ecohydrology & Hydrobiology","volume":"25 1","pages":"Pages 126-137"},"PeriodicalIF":2.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139883951","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}

{"title":"Escherichia coli transport through soil columns amended with nano-zeolite and cow manure","authors":"Omid Noroozi ,&nbsp;Ali Akbar Safari Sinegani ,&nbsp;Mohammad Bagher Farhangi","doi":"10.1016/j.ecohyd.2024.01.010","DOIUrl":"10.1016/j.ecohyd.2024.01.010","url":null,"abstract":"<div><div>Manure application or wastewater use as irrigation water introduces agriculture as one of the main culprits of spreading antibiotic-resistant pathogens to the environment that threatens human health. Therefore, urgent measures are needed to control the fate of antibiotic-resistant enteropathogens of agricultural origin in the environment. This study aimed to evaluate the effect of different amounts of nano-zeolite on the transport of nalidixic acid-resistant <em>Escherichia coli</em> strain (<em>E. coli</em> NAR) through disturbed soil columns amended with cow manure. Soil mixtures were prepared by adding nano-zeolite (0, 5, and 15%), with/without 5% cow manure to a loam soil. Mixtures were incubated for 60 days and then poured into polyvinyl chloride cylinders (3.6 × 15 cm) for the leaching experiment. After establishing a steady-state unsaturated flow condition, a pulse (0.1 pore volume) of <em>E. coli</em> NAR suspension (10⁶ CFU mL⁻¹) was added on top of the soil columns. The leaching experiment was followed until 5 pore volume. Nano-zeolite application increased the filtration coefficient (<em>λ_f</em>), and relative adsorption index (<em>S_R</em>), and decreased the maximum depth (<em>Z_max</em>) of <em>E. coli</em> NAR transport in all treatments. Meanwhile, cow manure application increased <em>E. coli</em> NAR transport through soil columns compared to the controls. The average (<em>C_av</em>) and cumulative (<em>C_cum</em>) cell density of <em>E. coli</em> NAR for the columns containing 5% and 15% nano-zeolite were about 2.3 and 10-fold less than the control respectively. Therefore, the nano-zeolite application can improve soil adsorption parameters, even in manure-amended soils, and consequently reduce the risk of groundwater contamination by fecal bacteria.</div></div>","PeriodicalId":56070,"journal":{"name":"Ecohydrology & Hydrobiology","volume":"25 1","pages":"Pages 115-125"},"PeriodicalIF":2.7,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139684570","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}

{"title":"Reference in transition or transitional reference? Documenting ecohydrological features of wetlands and aquatic ecosystems in the Biebrza Valley at the beginning of the 21st century","authors":"Mateusz Grygoruk,&nbsp;Tomasz Okruszko","doi":"10.1016/j.ecohyd.2024.07.009","DOIUrl":"10.1016/j.ecohyd.2024.07.009","url":null,"abstract":"","PeriodicalId":56070,"journal":{"name":"Ecohydrology & Hydrobiology","volume":"24 4","pages":"Pages 727-729"},"PeriodicalIF":2.7,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143158927","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}

{"title":"Comprehensive evaluation of environmental flows in the Yangtze River regulated by two large dams","authors":"Junxiang Cheng ,&nbsp;Ligang Xu ,&nbsp;Rong Wang ,&nbsp;Hailin You ,&nbsp;Hongxiang Fan ,&nbsp;Yakun Wu","doi":"10.1016/j.ecohyd.2023.09.004","DOIUrl":"10.1016/j.ecohyd.2023.09.004","url":null,"abstract":"<div><div>The ecological sustainability of rivers and floodplains depends on their natural flows. Dam construction on rivers has dramatically altered the hydrologic regimes, in turn affecting aquatic ecosystem integrity. The environmental flow components was applied to exam the impacts of the two dams (i.e., the Gezhouba Dam and the Three Gorges Dam) on downstream flows of the Yangtze River, China. Due to the operation of the two dams, the Yangtze River's flow regimes became homogenous through increasing streamflow during the dry season and decreasing streamflow in the flood season. The monthly low flows from January to April significantly increased by 14-31%, while October and November low flows significantly decreased by 18-25%. We observed the decreased duration and frequency of extreme low flows and floods, particularly the disappearance in large floods. These homogenous flows strongly influence the aquatic biodiversity. To alleviate the hydrologic alteration and minimize the negative ecological influence, low flows should be lower and floods should be reestablished as a natural state. The flow characteristics of duration, timing and rate of change should also be incorporated into the environmental flow recommendations. Our results could provide a potential solution to the tradeoffs between water resources exploitation and natural water requirement in the highly regulated rivers.</div></div>","PeriodicalId":56070,"journal":{"name":"Ecohydrology & Hydrobiology","volume":"24 4","pages":"Pages 950-957"},"PeriodicalIF":2.7,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135348902","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}

{"title":"The carbon budget induced by water-level fluctuation in a typical shallow lake","authors":"Xiaomin Yuan ,&nbsp;Qiang Liu ,&nbsp;Baoshan Cui ,&nbsp;Wei Yang ,&nbsp;Tao Sun ,&nbsp;Xuan Wang ,&nbsp;Chunhui Li ,&nbsp;Yanpeng Cai","doi":"10.1016/j.ecohyd.2023.03.009","DOIUrl":"10.1016/j.ecohyd.2023.03.009","url":null,"abstract":"<div><div><span>Shallow lakes are characterized by strong water-level fluctuations, which control shifts in carbon (C) sources and sinks. However, there remains uncertainty in elucidating the alteration in the carbon budget<span> with water-level changes. Here, carbon budget variation with water level was estimated by between carbon sequestration (</span></span><em>C_s</em><span>) and carbon emission (</span><em>C_e</em>) (including carbon dioxide, methane) using an improved logistic model and the DeNitrification-DeComposition (DNDC) model in Baiyangdian Lake (BYD), a typical shallow lake. According to the results, the <em>C_s</em> and <em>C_e</em> were 5.33 Tg/a and 1.72 Tg/a, respectively, which indicated that BYD acted as a carbon source (3.60 Tg/a net carbon emission). The spatial pattern and high value areas (HVA) of the carbon budget showed significant change with water depth variation under water level fluctuation. The HVA of <em>C_s, C_e</em> and <em>C_net</em> in the BYD was distributed at water depths of -0.24±0.77 m, 2.41±0.50 m and 2.53±0.26 m, respectively. At the lake scale, increasing water level will increase the unevenness of the water depth contribution of <em>C_s</em>, with a higher variation coefficient of the contribution structure, while the impact on the <em>C_e</em> contribution is not significant. Furthermore, elevating the water level increases the contribution of <em>C_s</em> in HVA to the whole lake, while the effect of water level on <em>C_e</em> is characterized by segmentation. In combination with the goal of increasing sinks and reducing emissions and the feasibility of management operation, the water level threshold based on the net carbon emissions reduction can be more accurately identified with vegetation coverage demand.</div></div>","PeriodicalId":56070,"journal":{"name":"Ecohydrology & Hydrobiology","volume":"24 4","pages":"Pages 901-909"},"PeriodicalIF":2.7,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115547552","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}

{"title":"The patchy distribution of groundwater copepods in the lowland river valley","authors":"Sabina Smolska ,&nbsp;Maciej Karpowicz ,&nbsp;Magdalena Świsłocka ,&nbsp;Elżbieta Jekatierynczuk-Rudczyk ,&nbsp;Adam Więcko ,&nbsp;Kamil Tarasewicz","doi":"10.1016/j.ecohyd.2023.11.012","DOIUrl":"10.1016/j.ecohyd.2023.11.012","url":null,"abstract":"<div><div><span><span>Our research provides valuable insights into the uneven distribution of groundwater copepods in the lowland river valley ecosystem using an integrative taxonomy approach. The study was conducted in 101 wells in the Biebrza River Valley (northeastern Poland), which is one of the largest and best-preserved lowland rivers in Europe. It stands out for its exceptional biodiversity and pristine natural landscapes. Groundwater copepods were found in 49 of the 101 analyzed wells. We identified ten species of </span>Copepoda<span> and eight species of Cladocera. The most frequent copepods were </span></span><em>Diacyclops bicuspidatus, Diacyclops crassicaudis, Canthocamptus staphylinus, Paracyclops</em> cf. <em>fimbriatus, Diacyclops bisetosus</em>, and <em>Eucyclops serrulatus</em><span>. The aforementioned species were categorized as stygophiles, and no stygobionts were detected. Our findings suggest that the groundwater Copepoda community in this region is relatively stable and composed mostly of stygophiles along with stygoxenes. We did not find any significant impact of environmental parameters or different aquifers on the distribution of copepods, suggesting a patchy distribution of groundwater copepods in the lowland river valley. The relatively high presence of stygoxenes suggests that the exchange of organisms between surface water and groundwater plays a vital role in maintaining the diversity of microcrustaceans in lowland river valleys. Our study contributes to filling the knowledge gap regarding groundwater fauna in lowland Europe, particularly in areas affected by Pleistocene glaciations.</span></div></div>","PeriodicalId":56070,"journal":{"name":"Ecohydrology & Hydrobiology","volume":"24 4","pages":"Pages 773-784"},"PeriodicalIF":2.7,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138691746","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}