Showing 21 - 40 results of 99 for search '"Aquatic organism"', query time: 0.08s Refine Results
  1. 21

    Japanese Application of Bioassays for Environmental Management by Takashi Kusui

    Published 2002-01-01
    “…This recognition is changing the regulatory framework in Japan, resulting in new actions toward establishment of water-quality standards for aquatic organisms and ecotoxicological assessment of existing chemicals. …”
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  2. 22

    Retrospective trend analysis of biocides in suspended particulate matter of major German rivers by Georg Dierkes, Susanne Schmidt, Christiane Meier, Korinna Ziegler, Jan Koschorreck, Arne Wick

    Published 2025-01-01
    “…Abstract Background Due to their intrinsic biological activity biocides can pose an unintended threat to various aquatic organisms. Monitoring data on the spatial distribution and temporal trends are needed to evaluate potential risks and the effectiveness of mitigation measures, but these are scarce for biocides in aquatic environments. …”
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  3. 23

    Data-Driven Model for the Prediction of Total Dissolved Gas: Robust Artificial Intelligence Approach by Mohamed Khalid AlOmar, Mohammed Majeed Hameed, Nadhir Al-Ansari, Mohammed Abdulhakim AlSaadi

    Published 2020-01-01
    “…Saturated total dissolved gas (TDG) is recently considered as a serious issue in the environmental engineering field since it stands behind the reasons for increasing the mortality rates of fish and aquatic organisms. The accurate and more reliable prediction of TDG has a very significant role in preserving the diversity of aquatic organisms and reducing the phenomenon of fish deaths. …”
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  4. 24

    Aquarium Setup and Maintainence by Ruth Francis-Floyd, Allen Riggs, Roy Yanong

    Published 2004-01-01
    “… An aquarium can be defined as a container that holds water and is designed in such a way that living aquatic organisms can be maintained over an extended period of time. …”
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  5. 25

    Aquarium Setup and Maintainence by Ruth Francis-Floyd, Allen Riggs, Roy Yanong

    Published 2004-01-01
    “… An aquarium can be defined as a container that holds water and is designed in such a way that living aquatic organisms can be maintained over an extended period of time. …”
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  6. 26

    Capitalizing on the wealth of chemical data in the accretionary structures of aquatic taxa: Opportunities from across the tree of life by Zoë A. Doubleday, Louise Hosking, Jasper Willoughby, Minoli Dias, Natasha Leclerc, Shanie Brault Nikolajew, Melita Peharda, Arieli Tristão Rézio, Clive Trueman

    Published 2025-02-01
    “…Abstract Aquatic organisms are natural data loggers and record chemical variations within hardened accretionary structures like shells and teeth. …”
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  7. 27

    Application of Natural Antioxidants as Feed Additives in Aquaculture: A Review by Xiaodan Hu, Wenjing Ma, Disen Zhang, Zikun Tian, Yuanqiang Yang, Yi Huang, Yuhang Hong

    Published 2025-01-01
    “…Oxidative stress, a critical factor affecting the health and productivity of aquatic organisms, arises from the imbalance between reactive oxygen species (ROS) production and antioxidant defenses. …”
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  8. 28

    A Holistic Look at Minimizing Adverse Environmental Impact Under Section 316(b) of the Clean Water Act by John A. Veil, Markus G. Puder, Debra J. Littleton, Nancy Johnson

    Published 2002-01-01
    “…Depending on the specific location and intake layout, once-through cooling systems withdrawing many millions of gallons of water per day can, to a varying degree, harm fish and other aquatic organisms in the water bodies from which the cooling water is withdrawn. …”
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  9. 29

    The Use of Lime in Fish Ponds by Andy M. Lazur, Charles E. Cichra, Craig Watson

    Published 2013-08-01
    “…Hydrated lime (calcium hydroxide) is an inexpensive and effective pond sterilizer, raising the pH quickly and dramatically above tolerable levels for most aquatic organisms. It should be used carefully, avoiding contact to the applicator, and never used in ponds containing desirable fish. …”
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  10. 30

    The Use of Lime in Fish Ponds by Andy M. Lazur, Charles E. Cichra, Craig Watson

    Published 2013-08-01
    “…Hydrated lime (calcium hydroxide) is an inexpensive and effective pond sterilizer, raising the pH quickly and dramatically above tolerable levels for most aquatic organisms. It should be used carefully, avoiding contact to the applicator, and never used in ponds containing desirable fish. …”
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  11. 31

    Response of equilibrium states to spatial environmental heterogeneity in advective systems by Roger M. Nisbet, Kurt E. Anderson, Edward McCauley, Mark A. Lewis

    Published 2006-10-01
    “…We present theory that describes this relationship for populations in media with strong unidirectional flow (e.g., aquatic organisms in streams and rivers). Typically, equilibrium populations change in very different ways in response to changes in demographic versus dispersal rates and to changes over local versus larger spatial scales. …”
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  12. 32

    Comprehensive analysis of ionomic profiling in Chlorella exposed to chlorpyrifos by Qing-Qing Yu, Yulong Zhang, Shiyuan Zhao, Min Pang, Pei Jiang, Pei Qu

    Published 2025-02-01
    “…IntroductionChlorpyrifos (CPF), a widely used organophosphorus insecticide, is highly toxic to non-target aquatic organisms and has relatively high persistence in water, posing a serious threat to marine ecosystems. …”
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  13. 33

    Toxicity of mercury (Hg) on survival and growth rate, hemato- and histopathological parameters ofOreochromis niloticus by Kukuh Nirmala, Yuni Puji Hastuti, Vika Yuniar

    Published 2013-11-01
    “… Heavy metals are serious pollutants of the aquatic environment because of their environmental persistence and ability to be accumulated by aquatic organisms. Oreochromis niloticus exposed to 0, 0.16, 0.5, and 1.0 ppm Hg for 30 days. …”
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  14. 34

    Aerobic Biodegradation of Four Groups of Steroid Hormones in Activated Sludge by Jiaxin Zhang, Jun Luo, Hong Chang

    Published 2020-01-01
    “…Steroid hormones in the environment have obtained considerable attention, as they can be harmful to aquatic organisms at very low concentrations. An analytical method was developed for simultaneously monitoring four estrogens, seven androgens, seven progestogens, and eleven glucocorticoids in a single water sample using liquid chromatography-electrospray tandem mass spectrometry. …”
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  15. 35

    Polycyclic Aromatic Hydrocarbons in Surface Water from Wuhai and Lingwu Sections of the Yellow River: Concentrations, Sources, and Ecological Risk by Yun Liu, Qingwei Bu, Hongmei Cao, Handan Zhang, Chuansheng Liu, Xiaofan He, Mengqi Yun

    Published 2020-01-01
    “…Ecological risk of PAHs to aquatic organisms was assessed by applying the probabilistic risk assessment method. …”
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  16. 36

    High-throughput sequencing of 16S rRNA gene analysis reveal insights into abundance, diversity, and function of the gut microbiota in zebrafish exposed to triflumezopyrim by Ipsita Iswari Das, Bayasis M. Sharma, Madhusmita Mahapatra, Sipra Nayak, Aman Kumar Mohanty, Lakshman Sahoo, Rajesh Kumar, Jitendra Kumar Sundaray

    Published 2025-03-01
    “…Insecticides infiltrate from crop fields to aquatic ecosystems through leaching and rainwater, thereby affecting aquatic organisms. However, the effects of triflumezopyrim on the gut microbiota of zebrafish (Danio rerio) are largely unknown. …”
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  17. 37

    Comparison of Diazinon Toxicity to Temperate and Tropical Freshwater Daphnia Species by Thanh-Luu Pham, Ha Manh Bui

    Published 2018-01-01
    “…The presence of diazinon in water bodies can be associated with significant risk to aquatic organisms.…”
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  18. 38

    Levels and Profile of Tetrodotoxins in Spawning <i>Cephalothrix mokievskii</i> (Palaeonemertea, Nemertea): Assessing the Potential Toxic Pressure on Marine Ecosystems by Grigorii V. Malykin, Peter V. Velansky, Timur Yu. Magarlamov

    Published 2025-01-01
    “…It has recently been suggested that the eggs and larvae of these animals can be a source of tetrodotoxins (TTXs) for other aquatic organisms. In the current study, TTXs in mature and post-spawning individuals and in the eggs of <i>C. mokievskii</i> were identified using high-performance liquid chromatography–tandem mass spectrometry. …”
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  19. 39

    Effect of Silver Nanoparticles on Tropical Freshwater and Marine Microalgae by Thanh-Luu Pham

    Published 2019-01-01
    “…The presence of AgNPs in aquatic environments has posed toxic effects to aquatic organisms and ecological damage. In this study, two tropical microalgae species including the freshwater Scenedesmus sp. and the marine diatom Thalassiosira sp. were employed to examine the toxic effects of AgNPs. …”
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  20. 40

    Survival rate and growth performance of tilapia (Oreochromis niloticus) exposed in polyvinyl chloride microplastics by Bagus Dwi Hari Setyono, Wiwin Iky Soenarky, Zaenal Abidin, Rangga Idris Affandi

    Published 2024-12-01
    “…One type of microplastic that has an adverse impact on the life of aquatic organisms is polyvinyl chloride (PVC). The aim of this research was to determine the effect of PVC microplastic exposure on the survival rate and growth performance of tilapia, Oreochromis niloticus. …”
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