Showing 821 - 840 results of 1,206 for search '"water quality"', query time: 0.08s Refine Results
  1. 821

    Q Value Evaluation of Groundwater Quality under Plains in the Lower Reaches of the Yarkant River by DENG Ensong, LIU Yujiang, MA Ningxin, HUANG Shunyong

    Published 2022-01-01
    “…According to the Q value,the quality of groundwater can be judged directly,and it can provide a reference basis for selecting relatively good water quality from the same category of groundwater.…”
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    Article
  2. 822

    « Osaka, métropole aquatique », un grand projet d’aménagement des berges pour régénérer la ville et son image by Kana Koichi

    Published 2020-12-01
    “…Means of transport have evolved from fluvial to land transport, high tides have caused repeated damage, land subsidence has worsened, water quality has deteriorated due to the influx of domestic sewage, and the illegal occupation of land has increased. …”
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  3. 823
  4. 824

    Post-Dredging Nitrogen Dynamics at the Sediment–Water Interface: The Shallow, Eutrophic Mogan Lake, Turkey by Topçu Akasya, Atlığ Seda

    Published 2023-03-01
    “…In conclusion, both monitoring and reducing external loading is still the top priority for a long-term recovery of water quality in the process of freshwater ecosystems.…”
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  5. 825

    Study on the Stage Method of the Water Environmental Capacity Flood Season in the Ningxia Section of the Yellow River by Yu Song, Hongrui Wang

    Published 2025-01-01
    “…The rational use of the water environmental resources of the main stream of the Yellow River, which is the mother river of the Chinese nation, and the control of and reduction in water environmental pollution, especially in relation to water quality safety, have become important issues that must be considered in Ningxia’s economic and social development. …”
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    Article
  6. 826

    Pakistan’s Water Security Crisis: Challenges and the Case for Integrated Water Resource Management by Safia Mansoor

    Published 2025-01-01
    “…The combination of inadequate water availability, deteriorating water quality, rising demand, and the compounded pressures of climate change and population growth underscores the severity of this crisis. …”
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  7. 827

    Spatial Distribution of Nitrogen on Grazed Karst Landscapes by Douglas G. Boyer, Ghiath A. Alloush

    Published 2001-01-01
    “…The impact on water quality by agricultural activity in karst terrain is an important consideration for resource management within the Appalachian region. …”
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  8. 828

    Characteristics and quality of biofloc in vannamei shrimp culture with different carbon sources by Muhammad Faris Allam, Julie Ekasari, Ichsan Achmad Fauzi, Wiyoto Wiyoto

    Published 2024-03-01
    “…Parameters measured to determine the characteristics of biofloc in shrimp rearing test were bifloc volume, biofloc particle size, biofloc nutrient composition, and water quality. The DX treatment produced the lowest TAN in the TAN reduction test. …”
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  9. 829

    The Use of Zeolit and Activated Carbon on Packing System of Corydoras aenus by E. Supriyono, E. Supendi, K. Nirmala

    Published 2007-07-01
    “…Fish condition was observed every 6 hours, while water quality measurement was performed every 24 hours for 120 hours.  …”
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  10. 830
  11. 831

    Vertical bacterial variability in oxidation ponds in the tropical zone by C. Tudsanaton, T. Pattamapitoon, O. Phewnil, W. Wararam, K. Chunkao, P. Maskulrath, M. Srichomphu

    Published 2024-07-01
    “…Next-generation sequencing techniques were used to identify bacterial diversity, and the water quality at each depth was applied as an indicator of bacterial degradation activities.FINDINGS: Community domestic wastewater contained 10 major bacterial phyla that differed at different depths. …”
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  12. 832

    Water Diplomacy and Non-Traditional Security by Krisman Heriamsal, Rivelda Pricilia Heatubun, Heyna Jekaisa, Andi Ira Tenri Adikusuma

    Published 2025-01-01
    “…Iraq, which depends on the flow of the Tigris and Euphrates rivers, is experiencing a decline in water quality and quantity that is worsening agricultural conditions, increasing social tensions and causing internal migration. …”
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  13. 833

    Recent advances in carbon-based adsorbent materials for ammonium removal from water by Ali Akbar Said, Mauliza Lisa, Rizki Fazli Rahmad

    Published 2025-01-01
    “…Elevated ammonium levels disrupt aquatic ecosystems and compromise water quality. Among various technologies, ion exchange and adsorption using materials such as activated carbon (AC) and biochar are highlighted for their efficiency, cost-effectiveness, and environmental benefits. …”
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  14. 834

    Spatiotemporal Variations of Water Pollution-Intensive Enterprises and Influencing Factors in China’s “Two Control Zone” Policy Using Spatial Statistics and Spatial Autoregressive... by Fuqiang Dai, Xia Zhang, Qing Li, Hao Liu

    Published 2022-01-01
    “…With accelerated industrialization, China’s water quality has deteriorated to one of the lowest levels in the world. …”
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  15. 835

    Fish Health Management Considerations in Recirculating Aquaculture Systems - Part 1: Introduction and General Principles by Roy Yanong

    Published 2004-01-01
    “…When properly managed, these systems have the advantages of both reducing overall water usage, as compared to flow-through systems, and improving control of many aspects of nutrition and water quality, as compared to pond systems. However, recirculating systems have their own unique set of problems. …”
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  16. 836

    Biomonitoring of radioactive contamination using benthic invertebrate communities in Manzala Lake, Egypt by Imam Noha, Bendary Reda E.

    Published 2023-06-01
    “…A valuable tool for monitoring the water quality of Manzala Lake is the sensitivity of invertebrate species to various types of pollution, such as radioactive contamination. …”
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  17. 837

    Complex Analyses of Plankton Structure and Function by Karl E. Havens

    Published 2001-01-01
    “…Taken together, these methods can provide information on community ecological properties that are directly related to practical issues including water quality and fisheries productivity. However, caution is warranted since application without a complete understanding of assumptions and context of the manipulations could lead to erroneous conclusions. …”
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  18. 838

    Evaluation of the Suitability of the Fishery Reserve (Reservaat) at Teluk Rasau Lake, Ogan Komering Ilir Regency, South Sumatra Province by Ferly Apriyanto, Dade Jubaedah, Herpandi Herpandi

    Published 2025-02-01
    “…The suitability through the approach analysis of the function and effectiveness of the fish reserve area, considering parameters such as water depth, water quality, availability of aquatic plants as riparian vegetation, protection, water area, spawning, feeding, and nursery grounds for fish, rare/protected species, legality aspects, ease of access, usage conflicts, and the role of the community supervisory groups. …”
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  19. 839

    Customer’s Perception and Preference towards Packaged Drinking Water by Minyahel Tilahun, Melaku Beshaw

    Published 2020-01-01
    “…Customer’s sex, education level, and health status showed significant relationship with choice of packaged water quality, −1.42 (p<0.05); price, −2.45 (p<0.01); and health status, –1.80 (p<0.05) in market place and residence place, respectively. …”
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  20. 840

    Impacts of Effluents on the Limnology of a Tropical River, Southwestern Nigeria by Abeke Adedolapo Ayoade, A Olajumoke Olusegun

    Published 2013-07-01
    “…The River Ogbere could be regarded as polluted since the adverse water quality has led to presence of mainly pollution tolerant taxa of macrobenthic invertebrates in the waterbed. …”
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