Results 11 to 20 of about 9,679 (304)
Use of sediment CO2 by submersed rooted plants [PDF]
Submersed plants have different strategies to overcome inorganic carbon limitation. It is generally assumed that only small rosette species (isoetids) are able to utilize the high sediment CO(2) availability. The present study examined to what extent five species of submersed freshwater plants with different morphology and growth characteristics ...
Winkel, Anders, Borum, Jens
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This 5-page document describes the main features of tapegrass and summarizes important habitat requirements for its growth and restoration. Written by Mohsen Tootoonchi, Lyn A. Gettys, and Jehangir H.
Mohsen Tootoonchi +2 more
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The ability to invade communities in a variety of habitats (e.g., along a depth gradient) may facilitate establishment and spread of invasive plants, but how multiple lineages of a species perform under varying conditions is understudied.
Nathan E. Harms
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Inventarisasi Tumbuhan Akuatik Berpotensi Fitoremediator Air Limbah Industri di Waduk Bunder Gresik
The Bunder Reservoir Ecosystem is composed of various components, both biotic and abiotic. One of the components contained in the reservoir is aquatic plants as phytoremediator for wastewater.
Muhammad Badrut Tamam +3 more
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Assemblage patterns and processes of aquatic vegetation in most large floodplain rivers are not well understood, particularly after plant recovery. Identifying vegetation types, which are recurring plant groupings based on species composition, diversity,
Danelle M. Larson +2 more
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Comparison of the Photosynthetic Characteristics of Three Submersed Aquatic Plants [PDF]
Light- and CO(2)-saturated photosynthetic rates of the submersed aquatic plants Hydrilla verticillata, Ceratophyllum demersum, and Myriophyllum spicatum were 50 to 60 mumol O(2)/mg Chl.hr at 30 C. At air levels of CO(2), the rates were less than 5% of those achieved by terrestrial C(3) plants. The low photosynthetic rates correlated with low activities
T K, Van, W T, Haller, G, Bowes
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The influence of Brazilian plant extracts on Streptococcus mutans biofilm
Nineteen plant extracts obtained from plants from the Brazilian Amazon showed activity against planktonic Streptococcus mutans, an important bacterium involved in the first steps of biofilm formation and the subsequent initiation of several oral diseases.
Michele BARNABÉ +3 more
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Termite species list in a terra firme and ghost forest associated with a hydroelectric plant in Presidente Figueiredo, Amazonas, Brazil [PDF]
Termites are among the most important groups to maintain tropical forests but despite their importance they are poorly studied. Termites were sampled in the trunks left over from the flood period in the Balbina Hydroelectric plant (UHB).
Cristian Dambros +3 more
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Visual Inspection Submersible for Nuclear Power Plant.
Remotely Operated Vehicles (ROV) are currently in use for visual inspections within reactor pressure vessels (RPV). In boiling water reactors (BWR), there is a complex RPV consisting of structures which are not disassembled during outages. To inspect the large volume of the RPV and associated components, the inspection vehicle must be compact and ...
Motohiko KIMURA +3 more
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Dermal exposures to hazardous environmental chemicals in water can significantly affect the morphology and integrity of skin structure, leading to enhanced and deeper penetration.
Meichen Wang, Timothy D. Phillips
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