Results 1 to 10 of about 1,203,480 (356)
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
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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
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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
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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
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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
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The Anatomical Record, 1996 Epithelial proliferation is linked with cell displacement. When a cell divides, one of its progeny replaces the dividing ancestor and the other is displaced into a more remote location that has to be vacated first by peripheral cells. As cells are neither pushed nor pulled in a mechanical sense, and since they do not move by their own means, this ...
J, Pe'er +3 more
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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
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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
BioMed Research International, 2014 No abstract available.
Bharadwaj, Renu +4 more
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Assessing temporal shifts in lotic fish community structure in the upper Red River basin, Oklahoma
Journal of Freshwater Ecology, 2018 A long-term fish community monitoring program was established by the Oklahoma Department of Wildlife Conservation Streams Program in 2016. One of the primary goals of this program is to evaluate contemporary fish species distributions in Oklahoma and ...
Trevor A. Starks +3 more
doaj +1 more source