Article
Biotechnology & Applied Microbiology
Siraj Yousuf Parray, Bhupendra Koul, Maulin P. Shah
Summary: The study aimed to analyze and compare the physico-chemical properties of water in Dal lake and Chatlam wetlands, and the impact of anthropogenic stresses on the growth and dominance of aquatic macrophytes. Results showed that Chatlam wetland has more macrophytic diversity than Dal lake, with slight differences in water quality and pollution parameters.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2021)
Article
Green & Sustainable Science & Technology
Tarek M. Galal, Fatma A. Gharib, Hatim M. Al-Yasi, Khalid A. Al-Mutairi, Khalid H. Mansour, Ebrahem M. Eid
Summary: The current study investigated the nutrient removal efficiency of Cyperus alopecuroides in treating water eutrophication and explored the possibility of recycling the harvested material. The results showed that C. alopecuroides had a higher efficiency in removing nitrogen and phosphorus in polluted areas. In addition, the plant tissue of C. alopecuroides had the highest efficiency in removing sodium, potassium, and nitrogen in summer, and calcium, phosphorus, and magnesium in spring. The above-and below-ground parts of C. alopecuroides from unpolluted areas could be used as forage for livestock. The study indicated the potential of C. alopecuroides in restoring eutrophic freshwater ecosystems and its applicability in similar habitats worldwide.
Article
Environmental Sciences
Farasat Ali, Leilei Bai, Zheng Hao, Chunliu Wang, Linqi Tian, Helong Jiang
Summary: This study investigated the effects of sediment desiccation on nutrient dynamics and eutrophication in wetlands. The findings showed that sediment drying and rewetting processes can impact nutrient diffusion, mineralization, and plant growth, accelerating eutrophication in wetlands.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Review
Engineering, Environmental
Anna Andersson, Mark V. Brady, Johanna Pohjola
Summary: Implementing abatement plans for the Baltic Sea may be more costly than necessary and likely to be perceived as unfair, suggesting a need for compensatory payments.
Article
Marine & Freshwater Biology
Frederic Labat, Gabrielle Thiebaut
Summary: Small shallow lakes (SSLs) have significant conservation value and provide various ecosystem services. However, they are under threat, especially from eutrophication. The ecological quality of SSLs remains poorly evaluated due to the lack of suitable tools. This study proposes a new trophic index, TIM2S, which is based on the tolerance range of macrophyte species to total phosphorus. Compared to existing trophic indices, TIM2S shows better efficiency in discriminating trophic levels and evaluating ecological statuses accurately.
Article
Environmental Sciences
Emma I. Santana, David H. Shull
Summary: This study measured the benthic fluxes of various substances between sediment and overlying water in the Salish Sea. The results showed that sediment oxidation of reduced compounds resulted in higher dissolved oxygen fluxes than dissolved inorganic carbon fluxes. Phosphorus storage in sediments was indicated by the close-to-zero phosphorus fluxes. Denitrification was present in most sites, with higher rates in areas with longer bottom water residence time.
ESTUARIES AND COASTS
(2023)
Article
Green & Sustainable Science & Technology
Pierre Guy Atangana Njock, Annan Zhou, Zhenyu Yin, Shui-Long Shen
Summary: This study proposes a flexible methodology for quantifying the risk status of coastal subbasins, which integrates the characteristics of multi-criteria analysis and fuzzy set theory. The methodology includes constructing a risk index to reveal the extent of cumulative nutrients discharges. The application of the proposed model in the Baltic Sea shows an increasing trend of risk index over the years and aligns well with field observations and HELCOM predictions.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Soil Science
Brent J. Bellinger, Erin L. McKenney, Michael R. Gretz
Summary: Sediment accretion in wetlands is an important carbon burial pathway. This study aimed to understand the persistence of specific cell wall polymers in sediments and their potential as a carbon sink. The Everglades ecosystem has undergone significant changes due to human activity, leading to altered macrophyte species composition and sediment accretion rates. By labeling plant leaf material and detrital flocculent, the study observed the presence, absence, and overlap of specific cell wall polymers, providing insights into their recalcitrance and carbon accumulation potential.
Article
Environmental Sciences
Michal Preisner, Marzena Smol, Dominika Szoldrowska
Summary: The intensification of Baltic Sea eutrophication is mainly attributed to the increase of anthropogenic nutrient loads, primarily nitrogen and phosphorus, introduced into the waters. Despite decreasing trends in nutrient concentrations in some areas, eutrophication indicators continue to worsen, leading to harmful algal blooms and oxygen deficits, causing severe ecosystem disturbances.
ENVIRONMENTAL MANAGEMENT
(2021)
Article
Environmental Sciences
Ming Ni, Xia Liang, Lijun Hou, Weiping Li, Chiquan He
Summary: Submerged macrophytes can increase water oxygen concentrations and promote diel oxygen fluctuations, playing a vital role in regulating N2O emissions in shallow eutrophic lakes. Study in Lake Wuliangsuhai found significant diurnal variations in dissolved oxygen concentrations in submerged macrophyte areas, with water oxygen levels being a major regulator of N2O flux.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Ecology
Marta Maria Alirangues Nunez, Andreas Hussner, Ruediger Mauersberger, Uwe Braemick, Daniel Huehn, Liang He, Sabine Hilt
Summary: The decline of Charophytes in temperate hardwater lakes is mainly due to periphyton shading and benthivorous fish, while herbivorous fish have no significant effect.
FRESHWATER BIOLOGY
(2022)
Article
Biodiversity Conservation
Xiaoyu Zhang, Jian Zhao, Lin Ding, Yuan Li, HaiXia Liu, YanFang Zhao, Guo Fu
Summary: Lake eutrophication is a global environmental pollution problem. This study analyzed the degradation and recovery trajectories of Lake Gehu based on 34-year water quality monitoring data. The results showed a nonlinear recovery trajectory with a short lag time in chlorophyll-a decrease. The adverse climate change did not completely offset the positive effect of nutrient load reduction, emphasizing the importance of further attention to eutrophication control. The sensitivity of lake eutrophication increased and the total phosphorus carrying concentration reduced by 40%-60% according to the changes in algae production efficiency of total phosphorus. The water quality goal for controlling algae was determined as TP = 40μg/L (Chla = 10μg/L), which was 20% stricter than the national standard. Aquatic vegetation restoration and biological manipulation were identified as effective alternatives for controlling eutrophication.
ECOLOGICAL INDICATORS
(2022)
Article
Environmental Sciences
Igor V. Polyakov, Kimmo Tikka, Jari Haapala, Matthew B. Alkire, Pekka Alenius, Harri Kuosa
Summary: By combining glider observations and shipborne surveys, this study provides important insights into the changes in the Bothnian Sea, showing that warming contributes to oxygen depletion in the upper layers and freshening leads to reduced metabolism in the lower layers. These trends should be considered as early warning signs.
FRONTIERS IN MARINE SCIENCE
(2022)
Review
Engineering, Environmental
Dongsheng Wang, Xinyu Gan, Zhiquan Wang, Shunfeng Jiang, Xiangyong Zheng, Min Zhao, Yonghua Zhang, Chunzhen Fan, Suqing Wu, Linna Du
Summary: This article provides a comprehensive review of research status on the remediation of eutrophic water by submerged macrophytes, with emphasis on the main affecting factors for their growth, including nutrients, light, water depth, sediment, temperature, biochar, transparency, and water flow. The optimum growth conditions of submerged macrophytes are further analyzed to provide guidance for further studies and the application of submerged macrophytes in the remediation of eutrophic water.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2023)
Article
Environmental Sciences
Sonja M. van Leeuwen, Hermann-J. Lenhart, Theo C. Prins, Anouk Blauw, Xavier Desmit, Liam Fernand, Rene Friedland, Onur Kerimoglu, Genevieve Lacroix, Annelotte van der Linden, Alain Lefebvre, Johan van der Molen, Martin Plus, Itzel Ruvalcaba Baroni, Tiago Silva, Christoph Stegert, Tineke A. Troost, Lauriane Vilmin
Summary: Using a model assessment, we estimated the pre-eutrophic state of North-East Atlantic marine waters, providing accurate estimates for key eutrophication indicators. The results showed lower nutrient concentrations and nitrogen to phosphorus ratios in coastal areas under pre-eutrophic conditions compared to the current state. These findings open the possibility for establishing reference values for eutrophication indicators in marine regions.
FRONTIERS IN MARINE SCIENCE
(2023)
Article
Engineering, Environmental
Henna Rinne, Sonja Salovius-Lauren
Article
Environmental Sciences
Niina Kotamaki, Marko Jarvinen, Pirkko Kauppila, Samuli Korpinen, Anssi Lensu, Olli Malve, Sari Mitikka, Jari Silander, Juhani Kettunen
ENVIRONMENTAL MONITORING AND ASSESSMENT
(2019)
Article
Environmental Sciences
Jonne Kotta, Martyn Futter, Ants Kaasik, Kiran Liversage, Merli Ratsep, Francisco R. Barboza, Lena Bergstrom, Per Bergstrom, Ivo Bobsien, Eliecer Diaz, Kristjan Herkul, Per R. Jonsson, Samuli Korpinen, Patrik Kraufvelin, Peter Krost, Odd Lindahl, Mats Lindegarth, Maren Moltke Lyngsgaard, Martina Muhl, Antonia Nystrom Sandman, Helen Orav-Kotta, Marina Orlova, Henrik Skov, Jouko Rissanen, Andrius Siaulys, Aleksandar Vidakovic, Elina Virtanen
SCIENCE OF THE TOTAL ENVIRONMENT
(2020)
Letter
Environmental Sciences
Jonne Kotta, Martyn Futter, Ants Kaasik, Kiran Liversage, Merli Ratsep, Francisco R. Barboza, Lena Bergstrom, Per Bergstrom, Ivo Bobsien, Eliecer Diaz, Kristjan Herkul, Per R. Jonsson, Samuli Korpinen, Patrik Kraufvelin, Peter Krost, Odd Lindahl, Mats Lindegarth, Maren Moltke Lyngsgaard, Martina Muehl, Antonia Nystrom Sandman, Helen Orav-Kotta, Marina Orlova, Henrik Skov, Jouko Rissanen, Andrius Siaulys, Aleksandar Vidakovic, Elina Virtanen
SCIENCE OF THE TOTAL ENVIRONMENT
(2020)
Article
Geosciences, Multidisciplinary
Alexandra Nyman, Henna Rinne, Sonja Salovius-Lauren, Henry Vallius
JOURNAL OF MARINE SYSTEMS
(2020)
Article
Plant Sciences
Floriaan Eveleens Maarse, Sonja Salovius-Lauren, Martin Snickars
NORDIC JOURNAL OF BOTANY
(2020)
Article
Engineering, Environmental
Samuli Korpinen, Leena Laamanen, Lena Bergstrom, Marco Nurmi, Jesper H. Andersen, Juuso Haapaniemi, E. Therese Harvey, Ciaran J. Murray, Monika Peterlin, Emilie Kallenbach, Katja Klancnik, Ulf Stein, Leonardo Tunesi, David Vaughan, Johnny Reker
Summary: The study reveals that 96% of the European marine area is affected by combined effects from multiple human pressures, with 86% of the coastal area and 46% of the shelf area being impacted by physical disturbances. The results suggest that Europe's seas are widely disturbed, highlighting a potential discrepancy between ambitions for Blue Growth and the objective of achieving good environmental status within the Marine Strategy Framework Directive.
Article
Marine & Freshwater Biology
Floriaan Eveleens Maarse, Sonja Salovius-Lauren, Martin Snickars
Summary: The study highlights the impact of bay isolation and macrophyte species diversity on invertebrate communities in shallow coastal bays. Environmental variables such as water and sediment characteristics also play a role in driving processes within these habitats. However, the complexity of biotic and abiotic interactions within and among shallow coastal bays poses challenges for studying and comparing processes in these unique ecosystems.
ESTUARINE COASTAL AND SHELF SCIENCE
(2021)
Article
Biodiversity Conservation
Tiina Salo, Sonja Salovius-Lauren
Summary: In this study, variation in nutrient concentrations along a coastal eutrophication gradient in the Northern Baltic Sea was assessed. It was found that Cladophora glomerata could serve as a useful tool to assess spatial and temporal variation in nutrient run-off from land.
ECOLOGICAL INDICATORS
(2022)
Article
Marine & Freshwater Biology
Henna Rinne, Jean-Francois Blanc, Tiina Salo, Marie C. Nordstrom, Niilo Salmela, Sonja Salovius-Lauren
Summary: This study investigates the spatial variation in Fucus-associated invertebrate communities on rocky shores along the Baltic Sea. The results show that eutrophication affects the invertebrate communities, with lower species abundances in areas with good status. Fucus in poor status areas hosts high abundances of certain invertebrate taxa. The study also reveals that abundances of certain taxa are lower in areas where non-indigenous crab species have been observed.
ESTUARINE COASTAL AND SHELF SCIENCE
(2022)
Article
Marine & Freshwater Biology
Karl Weckstrom, Sonja Salovius-Lauren
Summary: Marine invertebrates on rocky shores play important roles in ecosystems as important links in the food chain and in biogeochemical cycles. They exhibit dynamic movement patterns on a diel timescale, with a preference towards nocturnal activity. The community structure of mobile macroinvertebrates changes within a 24-h period, with certain species being more prevalent and larger individuals more active at night. The study provides crucial insights into the temporal dynamics of littoral rocky shore communities.
JOURNAL OF SEA RESEARCH
(2023)
Article
Ecology
Karine Gagnon, Heidi Herlevi, Jenny Wikstrom, Marie C. Nordstrom, Tiina Salo, Sonja Salovius-Lauren, Henna Rinne
Summary: The non-indigenous crustacean Sinelobus vanhaareni has spread throughout the southwestern Finnish coast, especially in shallow macroalgal and seagrass habitats. Its presence in these critical habitats highlights the need to understand its impacts on biodiversity and ecosystem functioning. Further research is necessary to determine the extent of its distribution and its effects on trophic networks in the northern Baltic Sea.
Article
Environmental Sciences
Kari K. Lehtonen, Giuseppe d'Errico, Samuli Korpinen, Francesco Regoli, Heidi Ahkola, Tanja Kinnunen, Anu Lastumaki
FRONTIERS IN MARINE SCIENCE
(2019)
Article
Environmental Studies
Kai Myrberg, Samuli Korpinen, Laura Uusitalo
Article
Environmental Sciences
Heta Rousi, Samuli Korpinen, Erik Bonsdorff
FRONTIERS IN MARINE SCIENCE
(2019)
Article
Plant Sciences
Jeffrey M. Schell, Deborah S. Goodwin, Rebecca H. Volk, Amy N. S. Siuda
Summary: Understanding the environmental tolerances and growth rates of different species of macroalgae is crucial for predicting their spatial and temporal dynamics. This study found that different morphotypes of Sargassum exhibited varying responses to temperature and salinity conditions.
Article
Plant Sciences
Erika Valzauez-Delfin, Carmen Galindo-De Santiago, Arely Paredes-Chi, Ameyalli Rios-Vazquez, Ana Benavides-Lahnstein, Kaysara Khatun, Juliet Brodie
Summary: Massive strandings of seaweed on the eastern coasts of the Yucat ' an peninsula, Mexico have become a major socioecological problem. A citizen science initiative, Big Seaweed Search Mexico (BSS-Mx), was developed to monitor temporal changes in the biomass stranded. The results represent baseline information that should be considered to develop management strategies and marine conservation actions according to each region.
Review
Plant Sciences
Lee H. Dietterich, Suhey Ortiz Rosa, Bianca R. Charbonneau, S. Kyle McKay
Summary: Riverine macrophytes play crucial ecological roles in river ecosystems, but their growth models have received relatively limited attention compared to other aquatic or terrestrial plants. This systematic review reveals that current models often overlook important factors such as shading and the role of macrophytes in nutrient cycles. Future research should focus on exploring these factors and developing a conceptual framework to guide macrophyte growth modeling. Emphasizing modularity and accessibility is also important for improving efforts to model and manage riverine ecosystems.
Review
Plant Sciences
Alba Martin, Jordi Corbera, Oriol Cano, Catherine Preece, Josep Penuelas, Francesc Sabater, Marcos Fernandez-Martinez
Summary: Bryophytes can play a significant role in ecosystem processes and hold potential as bio-indicators for monitoring environmental pollution. This study examined the effects of NO3- pollution on the elemental composition of aquatic and semi-aquatic bryophytes and identified suitable species as bio-indicators. Higher NO3- concentrations were found in spring water from intense farming and urban areas, positively correlated with N content and delta N-15 isotope ratio in bryophytes. Apopellia endiviifolia and Oxyrrhynchium speciosum were highlighted as promising candidates for bio-indication of aquatic NO3- pollution.
Article
Plant Sciences
Christine B. Rohal, Carrie Reinhardt Adams, Charles W. Martin, Sarah Tevlin, Laura K. Reynolds
Summary: This study investigated the seed production, seed banking, and germination cues of sub-tropical Vallisneria americana. It was found that the seeds of sub-tropical populations were dormant and could only germinate in the presence of organic material, light, or following scarification. Germination rate was enhanced by the presence of low-oxygen organic sediments and ethanol. These findings suggest a germination strategy focused on exploiting openings in existing vegetation following disturbance.
Article
Plant Sciences
Fabiano Faga, Carlos Frederico Deluqui Gurgel
Summary: Climate change is altering the distribution of marine biota, including Sargassum species. Future changes in abiotic variables are predicted to cause shifts in the latitudinal range and suitability area of Sargassum species. These changes may have significant impacts on marine ecosystems.
Article
Plant Sciences
Ulo Mander, Martin Maddison, Alex C. Valach, Kaido Soosaar, Keit Kill, Kuno Kasak
Summary: Constructed wetlands treating runoff from agricultural catchments can reduce nutrient load of water, but they can also be significant sources of greenhouse gases, especially methane. This study assessed methane emission potentials and phosphorus removal efficiency in a 0.45 ha in-stream surface flow constructed wetland, and analyzed the temporal dynamics of methane emissions and phosphorus removal over a nearly 4-year period. The results showed a clear seasonal dynamic in phosphorus removal efficiency and an increasing trend in methane emissions over the years, with the majority of methane fluxes occurring during the warm period. Maintenance of the wetland and regular removal of aboveground vegetation can reduce methane emissions, and regular sediment removal is also necessary due to phosphorus saturation.
Article
Plant Sciences
Monsif El Madany, Mustapha Hassoun, Fatima El Aamri, Noureddine El Mtili
Summary: The non-indigenous brown alga Rugulopteryx okamurae is invading and proliferating massively in the northwest of Morocco, including the Mediterranean Sea and Atlantic Ocean.
Article
Plant Sciences
Jessa May Malanguis, Tim Sierens, Ludwig Triest
Summary: This study demonstrates the importance of movement ecology and dispersal mechanism in the dynamics and resilience of seagrass populations and ecosystems. The comparison of genetic diversity and fine-scaled structure of two co-occurring seagrass species reveals the significance of different survival strategies and reproductive modes. These findings have important implications for conservation efforts, suggesting the preservation of natural expansion and local seed recruitment for successful conservation.
Article
Plant Sciences
Zhi-Huan Chen, Rui Zhang, Jun-Cai Xin, Zi-Han Qian, Shu-Jie Wang, Shang-Yan Qiu, Xue-Ge He, Chao Si
Summary: Nutrient availability and light intensity play important roles in the expansion of amphibious clonal plants from terrestrial to aquatic habitats. High nutrient levels and light conditions promote the growth of the apical portions and overall performance of the clones. Maintaining clonal integration can benefit the expansion of the plants by optimizing resource utilization. These findings have implications for predicting community dynamics and vegetation restoration in ecotones like wetlands.