Статті в журналах: "Higher aquatic plants"

1

Vlasov, Boris P., and Natallia D. Hryshchankava. "5. Community of higher aquatic plants." Zoology and Ecology 24, no. 2 (April 3, 2014): 104–7. http://dx.doi.org/10.1080/21658005.2014.925240.

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2

Gassner, W., and L. Neugebohrn. "The significance of higher plants for degradation of phenols in aquatic systems." Archiv für Hydrobiologie 129, no. 4 (February 23, 1994): 473–95. http://dx.doi.org/10.1127/archiv-hydrobiol/129/1994/473.

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3

Sultemeyer, Dieter, Claudia Schmidt, and Heinrich P. Fock. "Carbonic anhydrases in higher plants and aquatic microorganisms." Physiologia Plantarum 88, no. 1 (May 1993): 179–90. http://dx.doi.org/10.1034/j.1399-3054.1993.880125.x.

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4

Zub, L. N., M. S. Prokopuk, and Yu V. Pohorelova. "Assessment of Rarity Category for Higher Aquatic Plants." Inland Water Biology 11, no. 1 (January 2018): 29–33. http://dx.doi.org/10.1134/s1995082918010194.

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5

Sultemeyer, Dieter, Claudia Schmidt, and Heinrich P. Fock. "Carbonic anhydrases in higher plants and aquatic microorganisms." Physiologia Plantarum 88, no. 1 (May 1993): 179–90. http://dx.doi.org/10.1111/j.1399-3054.1993.tb01776.x.

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6

Akmukhanova, N. R. "The opportunities to use consortium of higher aquatic plants and microalgae in the treatment of polluted aquatic ecosystems." Eurasian Journal of Ecology 3, no. 56 (2018): 4–11. http://dx.doi.org/10.26577/eje-2018-3-824.

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7

Kirpenko, N. I., and O. M. Usenko. "Influence of Higher Aquatic Plants on Microalgae (a Review)." Hydrobiological Journal 49, no. 2 (2013): 57–74. http://dx.doi.org/10.1615/hydrobj.v49.i2.60.

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8

Tsiprijan, V. I., and V. V. Kravets. "Wastewater Treatment in Stabilization Ponds with Higher Aquatic Plants." Water Science and Technology 19, no. 12 (December 1, 1987): 287–88. http://dx.doi.org/10.2166/wst.1987.0158.

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Higher aquatic plants (HAP) provide more effective tertiary wastewater treatment in biological ponds. They also accelerate the clean-up process with simultaneous increase of hydraulic loading. There was observed not only high removal efficiency for domestic organics, but also for various universal pollutants such as oil, synthetic surface active substances and phenols. Our findings have demonstrated that HAP stabilization ponds may be used successfully for industrial waste water treatment. We have also shown it expedient to apply the method in biological, biochemical and vitamin production plants and sugar refineries. HAP of reed, cane and rush proved to be the most effective plants to use.

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9

Triyatmo, Bambang, and Namastra Probosunu. "BUDIDAYA TERPADU LELE DUMBO DENGAN TANAMAN ECENG GONDOK (Eichornia crassipes), KANGKUNG AIR (Ipomea aquatica) DAN KAPU-KAPU (Pistia stratiotes)." Jurnal Perikanan Universitas Gadjah Mada 4, no. 2 (August 28, 2002): 30. http://dx.doi.org/10.22146/jfs.8910.

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Catfish (Clarias gariepinus) was cultured with an aquatic plant, water hyacinth/eceng gondok (Eichornia crassipes), kangkung air (Ipomea aquatica) or kapu-kapu (Pistia stratiotes) in concrete ponds, for 3 months. Catfish cultured without aquatic plant was used as a control. The experiment was carried out to evaluate the survival rate as well as the growth of fish and aquatic plants.The survival rates of catfish cultured with I. aquatica, E. crassipes, and P. stratiotes were 76, 87, and 98%, respectively. In addition the survival rate of catfish cultured without any aquatic plant was 93%. The weight gain of catfish was 14,1-16,2 kg per pond. Whereas, the total weight gains of aquatic plant were 37,0, 27,7 and 7,7 kg per pond for E. crassipes, P. stratiotes, and I. aquatica,. Respectively. Dissolved oxygen, and the concentrations of NH3, NH4+ and PO43- in water with aquatic plants were higher than that of in water without aquatic plant. However, the concentration of CO2 was higher in water with aquatic plant.

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10

Wan Mohd Musdek, Wan Noraina Atikah, Mohd Khalizan Sabullah, Nor Mustaiqazah Juri, Norliza Abu Bakar, and Noor Azmi Shaharuddin. "Screening of aquatic plants for potential phytoremediation of heavy metal contaminated water." Bioremediation Science and Technology Research 3, no. 1 (November 2, 2015): 6–10. http://dx.doi.org/10.54987/bstr.v3i1.245.

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Bioremediation is a new green economic approach in providing solutions for cleaning up contaminated sites. Phytoremediation uses plants as a tool for remediation purposes. The usage of plant species offers higher potential solution to remediate heavy metal contaminated sites. This study aimed on screening potential plant species for phytoremediation of heavy metal contaminated water. The potential of three aquatic macrophytes species (Eichorrnia crassipes, Pistia stratiotes and Ipomoea aquatica) for chromium and nickel phytoremediations was tested. The plants were exposed for 10 days under hydroponic conditions in heavy metal contaminated water. E. crassipes showed the highest chromium and nickel concentrations in its biomass, 1.60 and 2.40 Î¼g/L respectively. Meanwhile, P. stratiotes had chromium and nickel concentrations detected at 0.89 and 0.081 Î¼g/L, respectively; chromium and nickel concentrations of I. aquatica detected were, 0.49 and 0.08 Î¼g/L, respectively. The ability of these plants to accumulate heavy metals and survived throughout the experiment demonstrates the potential of these plants to remediate metal-enriched water. Among the three tested aquatic plants, E. crassipes was proven to be the most suitable plant species that can phytoremediate heavy metal contaminated water followed by P. stratiotes and I. aquatica.

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11

Usenko, O. M., and I. M. Konovets. "Analysis of Pheolcarbonic Acids Content in Phytomass of Higher Aquatic Plants." Hydrobiological Journal 50, no. 5 (2014): 47–60. http://dx.doi.org/10.1615/hydrobj.v50.i5.50.

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12

Fu, Xiao Yun, and Xing Yuan He. "Nitrogen Removal from Contaminated Water by Two Aquatic Plants." Advanced Materials Research 610-613 (December 2012): 1829–32. http://dx.doi.org/10.4028/www.scientific.net/amr.610-613.1829.

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Two aquatic macrophytes (Monochoria korsakowii and Alisma plantago-aquatica) were grown in monoculture to test the relative growth rate(RGR) and abilities of removing total nitrogen(TN) by the manipulative indoor experiment. A nutrient treatment consisted of two levels of nitrogen[ low (14 mg L-1 N) and high (56 mg L-1 N) ]of nutrient solution. Result revealed that the RGR of the species was significantly different, however nutrients had no significant affect on the RGR. The results showed that TN in wastewater were significantly higher from unvegetated microcosms compared to vegetated. M. korsakowii was shown to be best removal effect with the removal rates of 94.9% and 77.0% at low and high concentrations of TN.

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13

Volkova, O., V. Belyaev, V. Skyba, S. Prishlyak, and M. Heiko. "The regularities of 137Cs accumulation in the aboveand underground parts of aerial-and-aquatic plants originated from various types of reservoirs in the Polissia and the Forest-Steppe of Ukraine." Agrobìologìâ, no. 1(163) (May 25, 2021): 15–22. http://dx.doi.org/10.33245/2310-9270-2021-163-1-15-22.

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The aim of the study was to establish the regularities of 137Cs accumulation in the above- and underground parts of aerial-and-aquatic plants originated from various types of reservoirs in the Polissia and the Forest-Steppe of Ukraine, located in territories varying in the degrees of radioactive contamination. The studies were carried out in 2014–2018. Higher aquatic plants were sampled in eutrophic, oligotrophic, and dystrophic reservoirs including large and small ones as well as lakes and ponds used for various purposes. The reservoirs were located in the areas that are considered conditionally clean relative to the density of 137Cs contamination, or are classifed as zones of enhanced radiological control, guaranteed voluntary resettlement, unconditional (guaranteed) resettlement and exclusion zones. The objects of research were 8 species of aerial aquatic plants widespread in the fresh water reservoirs of the Polissya and the Forest-Steppe of Ukraine. The specifc content of 137Cs in the aboveground parts, rhizomes, and roots of the plants was determined by common gamma-spectrometric methods. The analysis of the obtained results revealed a common regularity typical of plants from all the studied reservoirs – the levels of 137Cs in the aboveground parts and the rhizomes did not diﬀer signifcantly, but in the ground roots they were signifcantly higher. The specifc activity of 137Cs in ground roots of Phragmites australis exceeded its activity in above ground parts by 6–25 times, in Tupha angustifolia – by 5–20, Glyceria maxima by 7–10, Scirpus lacustris by 4–9, Alisma plantago-aquatica – by 3 times, Sagittaria saggitifolia - by 2, Butomus umbellatus – by 3, Iris pseudacorus - by 4 times. The levels of 137Cs content in aboveground parts and rhizomes in most of the studied plants did not diﬀer signifcantly. The results of the study will further make it possible to assess the role of aerial-and-aquatic plants in the bottom sediments radioactive contamination and to improve the understanding of the role of higher aquatic plants in the processes of radioactive elements migration and redistribution in aquatic ecosystems. The revealed regularities of 137Cs levels formation in the underground parts of plants should be taken into account in determining the radiation dose of plants growing in radionuclides contaminated reservoirs. Key words: aerial-and-aquatic plants, aboveground parts, underground parts, roots, rhizomes, 137Cs, reservoirs, lakes, ponds.

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14

Fu, Xiao Yun. "Laboratory Investigation of the Phosphorus Removal of Two Aquatic Plants." Advanced Materials Research 864-867 (December 2013): 1486–89. http://dx.doi.org/10.4028/www.scientific.net/amr.864-867.1486.

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Two aquatic macrophytes (Lythrum salicaria and Alisma plantago-aquatica) were grown in monoculture to test the relative growth rate (RGR) and abilities of removing total phosphorus (TP) by the manipulative indoor experiment. A nutrient treatment consisted of two levels of phosphorus [ low (3 mg L-1 N) and high (12 mg L-1 N) ] of nutrient solution. Result revealed that nutrients had significant affect on the RGR, however the RGR of the species was non-significant. The results showed that TP in wastewater were significantly higher from unvegetated microcosms compared to vegetated. L. salicaria was shown to be best removal effect with the removal rates of 81.7% and 91.1% at low and high concentrations of TP.

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15

Grib, I. V., and I. A. Chemeris. "Effect of Acidulation of Higher Aquatic Plants Exemplified by Lemna minor L." Hydrobiological Journal 43, no. 5 (2007): 43–54. http://dx.doi.org/10.1615/hydrobj.v43.i5.20.

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16

Konogray, V. A. "Production of Higher Aquatic Plants of the Kremenchuk Reservoir (Dnieper River, Ukraine)." Hydrobiological Journal 53, no. 4 (2017): 62–68. http://dx.doi.org/10.1615/hydrobj.v53.i4.60.

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17

Volkova, Ye N., V. V. Belyayev, D. I. Gudkov, S. P. Prishlyak, and A. A. Parkhomenko. "137Cs in Higher Aquatic Plants and Fish of Water Bodies of Ukraine." Hydrobiological Journal 55, no. 3 (2019): 86–94. http://dx.doi.org/10.1615/hydrobj.v55.i3.100.

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18

Ivanova, E. A., O. V. Anischenko, I. V. Gribovskaya, G. K. Zinenko, N. S. Nazarenko, V. G. Nemchinov, I. V. Zuev, and A. P. Avramov. "Metal content in higher aquatic plants in a small siberian water reservoir." Contemporary Problems of Ecology 5, no. 4 (July 2012): 356–64. http://dx.doi.org/10.1134/s1995425512040063.

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19

Rybakova, I. V., and A. I. Kopylov. "Heterotrophic bacteria in epiphyton of higher aquatic plants in the Ivankovo Reservoir." Inland Water Biology 10, no. 2 (April 2017): 239–42. http://dx.doi.org/10.1134/s1995082917020134.

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20

Imantaev, Aset B., and Nadezhda Y. Chesnokova. "Heavy metals content in higher aquatic plants of the Northern Caspian Sea." Water sector of Russia problems technologies management, no. 1 (2022): 87–96. http://dx.doi.org/10.35567/19994508_2022_1_6.

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21

Galdeeva, Olga Fedorovna, Olga Viktorovna Kozlovskaya, and Alina Yurievna Kopnina. "Ecological aspects of heavy metals accumulation in higher aquatic plants in the process of phytoremediation." Samara Journal of Science 7, no. 3 (August 15, 2018): 23–27. http://dx.doi.org/10.17816/snv201873104.

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This paper deals with pollution of natural and waste waters with heavy metals in the conditions of technogenic impact. It describes one of the numerous methods for neutralizing various contaminants in the aquatic environment, in particular phytoremediation, which has been used for more than 50 years in various countries. The paper considers the role of higher aquatic plants which, according to a variety of confirmatory studies, can be used to extract toxic components from natural and waste water - heavy metal ions. The authors consider a possibility of inorganic origin pollutants extraction with the help of higher water plants of Myriophyllum verticillatum L. and Elodea canadensis Michx. in laboratory conditions. The authors determined pollutants concentration change dependence in the solution with a process duration of less than 10 hours. The authors proved that the maximum purification efficiency is achieved only with the combined use of higher aquatic plants and perfetron. The results of the studies indicate a possibility of water purification from heavy metal ions (ferric iron, bivalent copper, bichromate ions) with the help of higher water plants Myriophyllum verticillatum L. and Elodea canadensis Michx.

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22

Urmitova, Nazia, and Aida Nizamova. "Use of higher aquatic vegetation for post-treatment of wastewater." E3S Web of Conferences 274 (2021): 08005. http://dx.doi.org/10.1051/e3sconf/202127408005.

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The article presents the features of cascade phyto-treatment facilities, bio plateau with an open water mirror. Such structures are similar to natural wetland objects. The plant species on the cascades and their effect in the post-treatment of wastewater are considered. Natural biological treatment of wastewater with algae roots is one of the most effective methods of treatment. This method allows you to clean polluted wastewater without harming the environment. Aquatic plants intensify the purification process, remove biogenic elements, actively using them in their nutrition, remove heavy metals and organic substances from the water and accumulate in the root system, which are difficult to decompose and thus improve the process of self-purification of reservoirs. The article pays great attention to the project «The Resilient Ribbon: A Timeless Legend of Kazan». The essence of the project is the natural self-purification of the city lake Nizhny Kaban in Kazan, where the root system of plants is used to purify water from mixtures, phenols and phosphates, heavy metals and a number of other harmful substances. The results of laboratory studies of water quality after treatment at cascade phyto-treatment facilities are presented.

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23

Semenenko, Yevhen, Tetіana Demchenko, and Artyom Pavlichenko. "Calculation of the maximum velocity of gravity flow in the pond-clarifier with higher aquatic plants." E3S Web of Conferences 168 (2020): 00061. http://dx.doi.org/10.1051/e3sconf/202016800061.

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The analysis of the possible maximum fluid flow rates when using higher aquatic plants for clarification of recycled water in the pondclarifier of the tailing pond has carried out. The study has been performed on the basis of a mathematical model of a plane slow stationary gravity flow of a viscous fluid in two parallel layers. The results of the study made it possible to determine the fluid velocity through a layer of higher aquatic plants floating on a free surface. The maximum possible velocity depending on the layer porosity has been determined. This value is necessary to determine the rational parameters of the process of clarifying technical recycled water from particles of the given hydraulic size, taking into account the pond-clarifier geometric dimensions. It is shown that the velocity in the layer with higher aquatic plants has been determined by the ratio of two parameters of this layer - porosity and dimensionless resistance coefficient. It has been shown that the maximum velocity value coefficient in the layer with plants floating on free surface depends only on porosity of this layer and does not depend on its resistance coefficient.

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24

ETSE, WEMEGAH JOSHUA, TED Y. ANNANG, and JESSE S. AYIVOR. "Nutritional composition of aquatic plants and their potential for use as animal feed: A case study of the Lower Volta Basin, Ghana." Biofarmasi Journal of Natural Product Biochemistry 16, no. 2 (December 2, 2018): 99–112. http://dx.doi.org/10.13057/biofar/f160205.

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Etse WJ, Annang T, Ayivor JS. 2018. Nutritional composition of aquatic plants and their potential for use as animal feed: a case study of the Lower Volta Basin, Ghana. Biofarmasi J Nat Prod Biochem 9: 99-112. The study was conducted to determine the nutritional composition of selected dominant aquatic plants and their significant effect on the chemical and physical characteristics of the water. Aquatic plants namely Nymphaea lotus, Typha australis, Ipomoea aquatica, and Scirpus cubensis were collected, identified and authenticated at the Ghana Herbarium. The proximate nutritional compositions of these plants were measured using the standard procedure outlined in the Association of Official Analytical Chemist (AOAC 2002). Water and sediment quality analyses of some physicochemical variables were also carried out using processes described in the standard methods for water and wastewater examination. The results showed that nutrient composition such as the crude protein, ether extracts, ash content, and nitrogen-free extracts was significantly higher than the corresponding constituents in Panicum maximum used as a control for the study. The findings also indicated that levels of heavy metals in all plants fell within the WHO/FAO standards for metals in vegetables and food. The effects of the physicochemical parameter of water also revealed that pH, nitrate, turbidity, DO, and BOD levels were found significantly different from the control site. The level of heavy metal in the sediment samples revealed significant variations in the distribution of the metals, with Zn showing the most significant difference and Pb the least with a mean level of 7.5±0.86 mg/L and 0.4±0.03 mg/L respectively. These plant species suggests having a high nutritive potential and indicates their possible use as mixed ingredients in animal feed. Exploitation of these aquatic plants for animal feed would be a step towards better utilization of these plants help in the management of aquatic plants within the basin.

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25

Babko, R. V., and T. N. Kuzmina. "Ciliata (Protista, Ciliophora) of Epiphyton of Higher Aquatic Plants in a Small River." Hydrobiological Journal 40, no. 4 (2004): 17. http://dx.doi.org/10.1615/hydrobj.v40.i4.20.

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26

Usenko, O. M., and A. I. Sakevich. "Allelopathic Influence of Higher Aquatic Plants on the Functional Activity of Plankton Algae." Hydrobiological Journal 41, no. 3 (2005): 54–66. http://dx.doi.org/10.1615/hydrobj.v41.i3.60.

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27

Shirokaya, Z. O., V. G. Klenus, D. I. Gudkov, A. Ye Kaglyan, and T. N. Dyachenko. "Content of 90Sr and 137Cs in Higher Aquatic Plants of the Kiev Reservoir." Hydrobiological Journal 46, no. 2 (2010): 75–84. http://dx.doi.org/10.1615/hydrobj.v46.i2.90.

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28

Wolff, Birgit, and Horst Senger. "Adaptation of the Photosynthetic Apparatus of Aquatic Higher Plants to Various Light-conditions." Journal of Plant Physiology 138, no. 3 (July 1991): 358–62. http://dx.doi.org/10.1016/s0176-1617(11)80300-7.

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29

Bluem, V., and F. Paris. "Aquatic food production modules in bioregenerative life support systems based on higher plants." Advances in Space Research 27, no. 9 (January 2001): 1513–22. http://dx.doi.org/10.1016/s0273-1177(01)00243-5.

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30

Ronzhina, D. A., L. A. Ivanov, and V. I. P’yankov. "Chemical composition of leaves and structure of photosynthetic apparatus in aquatic higher plants." Russian Journal of Plant Physiology 57, no. 3 (May 2010): 368–75. http://dx.doi.org/10.1134/s1021443710030088.

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31

Li, Gaojie, Shiqi Hu, Jingjing Yang, Elizabeth A. Schultz, Kurtis Clarke, and Hongwei Hou. "Water-Wisteria as an ideal plant to study heterophylly in higher aquatic plants." Plant Cell Reports 36, no. 8 (May 2, 2017): 1225–36. http://dx.doi.org/10.1007/s00299-017-2148-6.

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Ganzha, Ch D., D. I. Gudkov, D. D. Ganzha, and A. B. Nazarov. "Accumulation and distribution of radionuclides in higher aquatic plants during the vegetation period." Journal of Environmental Radioactivity 222 (October 2020): 106361. http://dx.doi.org/10.1016/j.jenvrad.2020.106361.

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33

Muminova, R. N., and R. Sh Tashmatova. "Bioecological features and significance of higher aquatic plants of the syr darya basin." ASIAN JOURNAL OF MULTIDIMENSIONAL RESEARCH 10, no. 4 (2021): 939–43. http://dx.doi.org/10.5958/2278-4853.2021.00346.3.

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34

Song, Bonggeun, and Kyunghun Park. "Detection of Aquatic Plants Using Multispectral UAV Imagery and Vegetation Index." Remote Sensing 12, no. 3 (January 25, 2020): 387. http://dx.doi.org/10.3390/rs12030387.

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In this study, aquatic plants in a small reservoir were detected using multispectral UAV (Unmanned Aerial Vehicle) imagery and various vegetation indices. A Firefly UAV, which has both fixed-wing and rotary-wing flight modes, was flown over the study site four times. A RedEdge camera was mounted on the UAV to acquire multispectral images. These images were used to analyze the NDVI (Normalized Difference Vegetation Index), ENDVI (Enhance Normalized Difference Vegetation Index), NDREI (Normalized Difference RedEdge Index), NGRDI (Normalized Green-Red Difference Index), and GNDVI (Green Normalized Difference Vegetation Index). As for multispectral characteristics, waterside plants showed the highest reflectance in Rnir, while floating plants had a higher reflectance in Rre. During the hottest season (on 25 June), the vegetation indices were the highest, and the habitat expanded near the edge of the reservoir. Among the vegetation indices, NDVI was the highest and NGRDI was the lowest. In particular, NGRDI had a higher value on the water surface and was not useful for detecting aquatic plants. NDVI and GNDVI, which showed the clearest difference between aquatic plants and water surface, were determined to be the most effective vegetation indices for detecting aquatic plants. Accordingly, the vegetation indices using multispectral UAV imagery turned out to be effective for detecting aquatic plants. A further study will be accompanied by a field survey in order to acquire and analyze more accurate imagery information.

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35

Olshanskaya, L. N., R. Sh Valiev, and T. V. Osipova. "A METHOD FOR ACCELERATING ELECTROCHEMICAL PHYTOREMEDIATIONOF WASTE WATER FROM HEAVY METAL IONS WHEN EXPOSED TO PHYTOSORBENT PLANTS BY PHYSICAL FIELDS." Innovatics and Expert Examination, no. 1(29) (July 1, 2020): 132–43. http://dx.doi.org/10.35264/1996-2274-2020-1-132-143.

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The article is devoted to the problem of increasing the efficiency of purification of natural and waste waters from heavy metal ions by the method of electrochemical phytoremediation. The results of studies on the management of phytoremediation processes by exposure to higher aquatic plants by external physical fields (constant magnetic field, combined exposure to a constant magnetic field and geomagnetic field, constant magnetic field and weak electric (j) fields) are presented. The ef-fect of accelerating the sorption of heavy metal ions under the influence of external physical fields on plants of Lemna minor has been experimentally confirmed. Rational conditions for controlling the processes of selectivity and increasing the rate of electrochemical phytoremediation and the completeness of the extraction of heavy metal ions from contaminated waters using higher aquatic plants are determined. A flow chart of the treatment of wastewater from heavy metals by the phytoremediation method using a biopond / settler populated by higher aquatic plants is proposed.

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36

Fernández-Zamudio, Rocío, Pablo García-Murillo, and Carmen Díaz-Paniagua. "Terrestrial Morphotypes of Aquatic Plants Display Improved Seed Germination to Deal with Dry or Low-Rainfall Periods." Plants 10, no. 4 (April 10, 2021): 741. http://dx.doi.org/10.3390/plants10040741.

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In temporary ponds, seed germination largely determines how well aquatic plant assemblages recover after dry periods. Some aquatic plants have terrestrial morphotypes that can produce seeds even in dry years. Here, we performed an experiment to compare germination patterns for seeds produced by aquatic and terrestrial morphotypes of Ranunculus peltatus subsp. saniculifolius over the course of five inundation events. During the first inundation event, percent germination was higher for terrestrial morphotype seeds (36.1%) than for aquatic morphotype seeds (6.1%). Seed germination peaked for both groups during the second inundation event (terrestrial morphotype: 47%; aquatic morphotype: 34%). Even after all five events, some viable seeds had not yet germinated (terrestrial morphotype: 0.6%; aquatic morphotype: 5%). We also compared germination patterns for the two morphotypes in Callitriche brutia: the percent germination was higher for terrestrial morphotype seeds (79.5%) than for aquatic morphotype seeds (41.9%). Both aquatic plant species use two complementary strategies to ensure population persistence despite the unpredictable conditions of temporary ponds. First, plants can produce seeds with different dormancy periods that germinate during different inundation periods. Second, plants can produce terrestrial morphotypes, which generate more seeds during dry periods, allowing for re-establishment when conditions are once again favorable.

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37

Klink, Saskia, Philipp Giesemann, and Gerhard Gebauer. "Picky carnivorous plants? Investigating preferences for preys’ trophic levels – a stable isotope natural abundance approach with two terrestrial and two aquatic Lentibulariaceae tested in Central Europe." Annals of Botany 123, no. 7 (March 13, 2019): 1167–77. http://dx.doi.org/10.1093/aob/mcz022.

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Abstract Background and Aims Stable isotope two-source linear mixing models are frequently used to calculate the nutrient-uptake efficiency of carnivorous plants from pooled prey. This study aimed to separate prey into three trophic levels as pooled prey limits statements about the contribution of a specific trophic level to the nutrition of carnivorous plants. Phytoplankton were used as an autotrophic reference for aquatic plants as the lack of suitable reference plants impedes calculation of their efficiency. Methods Terrestrial (Pinguicula) and aquatic (Utricularia) carnivorous plants alongside autotrophic reference plants and potential prey from six sites in Germany and Austria were analysed for their stable isotope natural abundances (δ15N, δ13C). A two-source linear mixing model was applied to calculate the nutrient-uptake efficiency of carnivorous plants from pooled prey. Prey preferences were determined using a Bayesian inference isotope mixing model. Key Results Phytophagous prey represented the main contribution to the nutrition of Pinguicula (approx. 55 %), while higher trophic levels contributed a smaller amount (diverse approx. 27 %, zoophagous approx. 17 %). As well as around 48 % nitrogen, a small proportion of carbon (approx. 9 %) from prey was recovered in the tissue of plants. Aquatic Utricularia australis received 29 % and U. minor 21 % nitrogen from zooplankton when applying phytoplankton as the autotrophic reference. Conclusions The separation of prey animals into trophic levels revealed a major nutritional contribution of lower trophic level prey (phytophagous) for temperate Pinguicula species. Naturally, prey of higher trophic levels (diverse, zoophagous) are rarer, resulting in a smaller chance of being captured. Phytoplankton represents an adequate autotrophic reference for aquatic systems to estimate the contribution of zooplankton-derived nitrogen to the tissue of carnivorous plants. The autonomous firing of Utricularia bladders results in the additional capture of phytoplankton, calling for new aquatic references to determine the nutritional importance of phytoplankton for aquatic carnivorous plants.

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38

Ratushnyak, A. A., and M. G. Andreyeva. "Mechanisms of Symbiotic Interaction of Higher Aquatic Plants with the Accompanying Hydrocarbon-Oxidizing Microflora." Hydrobiological Journal 36, no. 3 (2000): 10. http://dx.doi.org/10.1615/hydrobj.v36.i3.30.

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39

Pasichna, Ye A. "Accumulation of Copper and Manganese by Some Submerged Higher Aquatic Plants and Filamentous Algae." Hydrobiological Journal 39, no. 5 (2003): 8. http://dx.doi.org/10.1615/hydrobj.v39.i5.70.

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40

Sakevich, A. I., N. I. Kirpenko, V. A. Medved', O. M. Usenko, and Z. N. Gorbunova. "Influence of Polyphenols of Higher Aquatic Plants on the Functional Activity of Plankton Algae." Hydrobiological Journal 41, no. 6 (2005): 99–110. http://dx.doi.org/10.1615/hydrobj.v41.i6.80.

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41

Krot, Yu G. "The Use of Higher Aquatic Plants in Biotechnologies of Surface Water and Wastewater Treatment." Hydrobiological Journal 42, no. 3 (2006): 44–55. http://dx.doi.org/10.1615/hydrobj.v42.i3.40.

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42

Pasichna, O. O., O. M. Arsan, O. O. Godlevska, L. O. Gorbatyuk, and T. V. Vitovetska. "Peculiarities of heavy metals influence on submerged higher aquatic plants and green filamentous algae." Biological Systems: Theory and Innovation 10, no. 3 (September 30, 2019): 84–92. http://dx.doi.org/10.31548/biologiya2019.03.084.

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43

Klepets, O. V. "Productivity of Higher Aquatic Plants of the Vorskla River under Conditions of Urban Landscape." Hydrobiological Journal 53, no. 2 (2017): 33–49. http://dx.doi.org/10.1615/hydrobj.v53.i2.40.

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44

Mattoo, Autar K., Roshni A. Mehta, and James E. Baker. "Copper-induced ethylene biosynthesis in terrestrial (Nicotiana tabacum) and aquatic (Spirodela oligorrhiza) higher plants." Phytochemistry 31, no. 2 (February 1992): 405–9. http://dx.doi.org/10.1016/0031-9422(92)90006-c.

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45

Brain, Richard A., Hans Sanderson, Paul K. Sibley, and Keith R. Solomon. "Probabilistic ecological hazard assessment: Evaluating pharmaceutical effects on aquatic higher plants as an example." Ecotoxicology and Environmental Safety 64, no. 2 (June 2006): 128–35. http://dx.doi.org/10.1016/j.ecoenv.2005.08.007.

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46

Buriev, S. B., F. K. Shodmonov, and H. K. Esanov. "REPRODUCTION OF MICROSCOPIC ALGAE AND HIGHER AQUATIC PLANTS IN THE WATERS OF DENGIZKUL, BUKHARA REGION." Chronos 6, no. 5(55) (May 13, 2021): 4–7. http://dx.doi.org/10.52013/2658-7556-55-5-1.

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The article describes the Dengizkul cadastre, the fertility of phytoplankton of lake water in laboratory conditions, the fertility and fluidity of higher aquatic plants and their significance. Information on the cultivation and use of plant species rich in physiological substances as food for herbivorous fish is presented.

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47

Bai, Li, Xiao-Long Liu, Jian Hu, Jun Li, Zhong-Liang Wang, Guilin Han, Si-Liang Li, and Cong-Qiang Liu. "Heavy Metal Accumulation in Common Aquatic Plants in Rivers and Lakes in the Taihu Basin." International Journal of Environmental Research and Public Health 15, no. 12 (December 14, 2018): 2857. http://dx.doi.org/10.3390/ijerph15122857.

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We investigated the concentrations of 10 heavy metals in Potamogeton malaianus, Nymphoides peltata, Eichhornia crassipes, and Hydrilla verticillata to evaluate their potential to bioaccumulate heavy metals and related influencing factors in Taihu Lake. Enrichment factor (EF) values of Cu, Cr, Mn, Ni, Zn, Co, Pb, and V were above 2.0, indicating moderate to significant contamination in sediment. Most of Ti, V, Cr, Mn, and Ni in P. malaianus, E. crassipes, and H. verticillata and V in N. peltata were within excess/toxic level in plants, but higher than normal level. Even though no aquatic plants in this study were identified as a hyperaccumulator, relatively higher concentrations in aquatic plants were found in Taihu Lake than have been found in other previous studies. Heavy metal in submerged plants, especially in their stems, seemed to be more closely related to metals in water and sediment than those in floating-leaf plants. Ratios of metals in stem versus leaves in all plants ranged from 0.2 to 25.8, indicating various accumulation capabilities of plant organs. These findings contribute to the application of submerged aquatic plants to heavy metal removal from moderately contaminated lakes.

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48

Udy, James White, та Stuart Edward Bunn. "Short Communication: Elevated δ15N values in aquatic plants from cleared catchments: why?" Marine and Freshwater Research 52, № 3 (2001): 347. http://dx.doi.org/10.1071/mf00002.

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δ15N values of plants and animals are being increasingly used to identify the flow of nitrogen through aquatic ecosystems. The δ15N values of crops, riparian trees, emergent and submerged aquatic vegetation in streams from both cleared (agricultural) and forested (rainforest) catchments were sampled. Riparian and aquatic plants had similar δ15N values in forested streams,suggesting a similar source of inorganic nitrogen.In cleared catchments, however, aquatic plants had δ15N values 4–8‰ higher than adjacent riparian vegetation and aquatic plants from streams in forested catchments. The elevated δ15N values of aquatic vegetation in streams with cleared catchments suggest that these plants either have access to a different source of N than those in undisturbed catchments or that high rates of microbial decomposition and nutrient cycling in the cleared catchments influence the δ15N value of available N. This also suggests that the aquatic plants in disturbed catchments are incorporating a different source of nitrogen than the adjacent riparian vegetation. This supports the proposal that in-stream processing of N affects the δ15N value of available N in streams with cleared catchments. These results begin to identify potential pathways for nitrogen transport to streams and the effect that internal cycling may have on a stream’s nitrogen load.

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Shiretorova, Valentina G., Svetlava V. Zhigzhitzhapova, Elena P. Dylenova, and Larisa D. Radnaeva. "Metal accumulation in aquatic vegetation in heat-affected zone of Gusinoozersk state regional power plant." E3S Web of Conferences 265 (2021): 02020. http://dx.doi.org/10.1051/e3sconf/202126502020.

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The content of Fe, Mn, Al, Zn, Ni, Cu, Pb, Cr, Cd and Hg in higher aquatic plants, moss, charophyta and green filamentous algae was determined using inductively coupled plasma emission spectrometry. A comparative assessment of metal accumulation was conducted. Plants growing within the heat-affected zone of Gusinoozersk State Regional Power Plant, especially filamentous algae, contained the largest amount of metals, which indicates the higher pollution of water and sediments and intensification of metabolic processes and their accumulation in plants. It was shown that aquatic plants of Lake Gusinoe accumulated most of the studied metals in volumes greater than in other cooling reservoir of Siberia. Thus, this research provides one of the important steps for the development of regional environmental standards and environmental risk assessments.

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Mahaye, Ntombikayise, Melusi Thwala, and Ndeke Musee. "Interactions of Coated-Gold Engineered Nanoparticles with Aquatic Higher Plant Salvinia minima Baker." Nanomaterials 11, no. 12 (November 24, 2021): 3178. http://dx.doi.org/10.3390/nano11123178.

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The study investigated the interactions of coated-gold engineered nanoparticles (nAu) with the aquatic higher plant Salvinia minima Baker in 2,7, and 14 d. Herein, the nAu concentration of 1000 µg/L was used; as in lower concentrations, analytical limitations persisted but >1000 µg/L were deemed too high and unlikely to be present in the environment. Exposure of S. minima to 1000 µg/L of citrate (cit)- and branched polyethyleneimine (BPEI)-coated nAu (5, 20, and 40 nm) in 10% Hoagland’s medium (10 HM) had marginal effect on biomass and growth rate irrespective of nAu size, coating type, or exposure duration. Further, results demonstrated that nAu were adsorbed on the plants’ roots irrespective of their size or coating variant; however, no evidence of internalization was apparent, and this was attributed to high agglomeration of nAu in 10 HM. Hence, adsorption was concluded as the basic mechanism of nAu accumulation by S. minima. Overall, the long-term exposure of S. minima to nAu did not inhibit plant biomass and growth rate but agglomerates on plant roots may block cell wall pores, and, in turn, alter uptake of essential macronutrients in plants, thus potentially affecting the overall ecological function.

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