Results 11 to 20 of about 1,089 (168)
The present study deal with measuering the concentration of two from the trace elements (Pb and Co) in water(dissolved and particulate) phase and their concentration in aquatic plant ( Ceratophyllum demersum ) in the Euphrates River at Suq-Alshyoukh ...
باسم يوسف الخفاجي +1 more
doaj +6 more sources
Dentre as várias plantas daninhas aquáticas imersas que proliferam nos reservatórios de usinas hidrelétricas, destaca-se em importância Ceratophyllum demersum, devido à sua grande capacidade de reprodução e produção de biomassa.
N.V. Costa +4 more
doaj +2 more sources
Size-Dependent Habitat Selection in a Tropical Freshwater Crayfish: Preference for Vegetated Refugia. [PDF]
Young freshwater crayfish need shelter to survive, but it is often unclear whether they actively choose safe habitats or simply remain where they are found. We show that craylings and juvenile red claw crayfish prefer vegetated habitats over bare sand or gravel, and that this preference becomes stronger as crayfish grow.
Heide M +4 more
europepmc +2 more sources
Aquatic Ecosystem Deterioration and Its Potential Drivers in a Floodplain Lake in the Lower Yellow River Area, North China. [PDF]
This study employed Landsat imagery and Support Vector Machine to extract spring and summer aquatic vegetation distribution in Dongping Lake, combined with field survey data and environmental factors to analyze its succession over the past 40 years. Redundancy Analysis was then used to investigate the factors driving aquatic ecosystem deterioration ...
Chen Y +5 more
europepmc +2 more sources
Ceratophyllum platyacanthum subsp. oryzetorum (Kom.) Les (Ceratophyllaceae): an addition to the flora of India from Kashmir Himalaya [PDF]
Ceratophyllum platyacanthum Cham. subsp. oryzetorum (Kom.) Les (Ceratophyllaceae) is recorded for the first time from Kashmir Himalaya and India. The species differs from its closely related taxon, Ceratophyllum demersum, in having smaller leaves and the
Aijaz Ganie +4 more
doaj +3 more sources
Habitat-Based Predictions of Bridle Shiner (<i>Notropis bifrenatus</i>) in the Northeastern United States. [PDF]
We developed local and regional models for Maine and New Hampshire that may be used to focus bridle shiner (Notropis bifrenatus) surveys on areas with high predicted habitat suitability. This is significant because bridle shiners receive protection or concern status in thirteen states and two Canadian provinces: Limited data show that bridle shiners ...
Katz LS +4 more
europepmc +2 more sources
Design and Manufacture of Machine for Removing Ceratophyllum Demersum and Other Plankton in Rivers
Ceratophyllum plant covers most waterways, including lined channels and trenches. This plant causes a loss in the amount of runoff, velocity of water in the channels, and reduces the drainage rates.
Sameh Qahtan Al-Najjar +4 more
doaj +1 more source
The production bioethanol from Ceratophyllum demersum L . in Iraq
Biofuels have attracted a lot of attention due to the growing demand for energy resources and concerns about greenhouse gas emissions. Unlike other green energy resources, biofuels like bioethanol, can provide liquid fuels that is essential for ...
Dmoua kamil AL Zaidi +1 more
doaj +1 more source
Новые находки водных растений на территории Ханты-Мансийского автономного округа – Югры
В ходе полевых работ на территории ХМАО – Югры было отмечено 8 новых видов водных растений (Scirpus tabernaemontani, Typha laxmannii, Ceratophyllum platyacanthum, Lemna gibba, Lemna turionifera, Potamogeton wolfgangii, Potamogeton heterophyllus ...
N. L. Pankova
doaj +1 more source

