Results 1 to 10 of about 337,048 (319)
A new species of Notacanthella Jacobus & McCafferty, 2008 (Ephemeroptera, Ephemerellidae) from Yunnan, China [PDF]
ZooKeys, 2022 Notacanthella jinwu Li & Jacobus, sp. nov. is described based on egg, nymph, and winged stages from Dali Bai Autonomous Prefecture, Yunnan Province, China. The nymph of the new species is closely related to N.
Xian-Fu Li +4 more
doaj +3 more sources
A new species of Siphlonurus Eaton, 1868 (Ephemeroptera, Siphlonuridae) from Yunnan, China [PDF]
ZooKeys, 2023 Siphlonurus dongxi Li & Tong, sp. nov. from Shangri-La City, Yunnan Province, China, is described based on egg, nymph, and winged stages. The new species is closely related to S. davidi (Navás, 1932), and can be distinguished by the colour of the
Kun Yang +3 more
doaj +3 more sources
Metabolomic Analysis of Hexagenid Mayflies Exposed to Sublethal Concentrations of Naphthenic Acid
Frontiers in Molecular Biosciences, 2021 The oil sands region in northeastern Alberta, Canada contain approximately 165 billion barrels of oil making it the third largest oil reserves in the world.
Sarah M. Pomfret +3 more
doaj +1 more source
Algal study in springs and streams from Shaqlawa district, Erbil Province, Iraq I- Euglenophyta
مجلة بغداد للعلوم, 2022 In an intensive study of the various species of the Euglenophyceae under different environmental conditions, the algal samples were collected monthly in twelve springs and six related streams from September 2019 to August 2020 within Shaglawa district ...
Janan Jabbar Toma, Farhad Hassan Aziz
doaj +1 more source
Environmental Sciences Europe, 2023 Background Several large-scale studies revealed impacts and risks for aquatic communities of small rural lakes and streams due to pesticides in agricultural landscapes.
Silvia Mohr +5 more
doaj +1 more source
The Many Streams of the Magellanic Stream [PDF]
The Astrophysical Journal, 2008 AbstractAs a part of the ongoing H i survey by the consortium for Galactic studies with the Arecibo L-band Feed Array (GALFA-HI), we have recently imaged the tip of the MS and found several long filamentary structures. This demonstrates that the northern portion of the MS, which has been interacting with the Galactic halo for a long time, is more ...
Stanimirovic, Snezana +5 more
openaire +3 more sources
Water Policy, 2023 The total maximum daily load (TMDL) program requires each state in the United States to assess their water bodies, list those that are impaired, and develop TMDL plans or programs to restore them.
Charitha Gunawardana, Walter McDonald
doaj +1 more source
The Case of Using Multiple Streams in Streaming [PDF]
International Journal of Automation and Computing, 2013 Off-chip replacement (capacity and conflict) and coherent read misses in a distributed shared memory system cause execution to stall for hundreds of cycles. These off-chip replacement and coherent read misses are recurring and forming sequences of two or more misses called streams.
Muhammad Abid Mughal +2 more
openaire +1 more source
Characterization of Stream Meanders for Stream Restoration [PDF]
Journal of Hydraulic Engineering, 1997 Recently increased emphasis and attention has been given to river management and restoration of modified streams. A variety of restoration techniques and objectives exist, including asymmetrical cross-section construction, point bar development, two-stage channel design, floodplain approaches, pools and riffles re-creation, and sinuosity and meander ...
RINALDI, MASSIMO, Johnson P. A.
openaire +2 more sources
Biology, Medicine & Natural Product Chemistry, 2020 Water samples from Nkwuaku and Ogbaru streams located in Awgu local government area in Enugu State, Nigeria were evaluated for the presence of microbial contaminants.
Osita Gabriel Appeh +2 more
doaj +1 more source