Browsing by Title
Now showing items 14533-14552 of 35418
-
First principles study of single and multi-site transition metal dopant ions in MoS2 monolayer
(Elsevier, 2019)Using first-principles calculation, a systematic study on the effect of transition metal (TM: V, Cr, Mn, Fe, Co, Ni) dopant atoms in the MoS2 monolayer as potential spintronic, catalytic and optoelectronic materials were ... -
First record of a cyanobacterium Petalonema alatum (Borzì ex Bornet & Flahault) Correns (Cyanobacteria, Scytonemataceae) in Africa
(Pensoft, 2018)Petalonema alatum (Borzì ex Bornet & Flahault) Correns is a nitrogen fixing, subaerial cyanobacterium characterized by a blue-green trichome surrounded by a very broad, lamellated mucous sheath. It typically grows on ... -
First record of a spiral form of Aulacoseira, A. ambigua f. japonica (F.Meister) Tuji & D.M.Williams, in South African fresh waters
(Taylor & Francis, 2016)Water quality and algal populations in the Vaal River Barrage Reservoir have been monitored extensively for many decades, because of its importance as a water source for the most densely populated area in South Africa. ... -
First record of an intraleucocytic haemogregarine (Adeleorina: Haemogregarinidae) from South African tortoises of the species Stigmochelys pardalis (Cryptodira: Testudinidae)
(Taylor & Francis, 2014)To date, four intraerythrocytic apicomplexans, namely the haemogregarines Haemogregarina fitzsimonsi and Haemogregarina parvula, and the haemoproteids Haemoproteus testudinalis and Haemoproteus natalensis, have been described ... -
The first record of Gnathostenetroididea Kussakin, 1967 from Australian waters with description of four new species of Gnathostenetroides Amar, 1957 (Crustacea: Isopoda: Asellota) from the Great Barrier Reef
(Magnolia Press, 2019)The asellote family Gnathostenetroididae Kussakin, 1967 is reported for the first time from Australian waters. Four new species of Gnathostenetroides Amar, 1957 from the Great Barrier Reef are described. The genus Maresiella ... -
First record of Labeo capensis (Smith, 1841) in the Crocodile River (West) system: another successful non-native freshwater fish introduction in South Africa
(Taylor & Francis, 2019)South Africa is one of six global fish invasion hotspots and as a result, non-native fishes are common components of the fish assemblages in all of the major river systems. The rate of establishment for introduced fish ... -
First record of Phasmarhabditis papillosa (Nematoda: Rhabditidae) in South Africa, and its virulence against the invasive slug, Deroceras panormitanum
(Brill, 2017)Worldwide interest in Phasmarhabditis originates from the successful commercialisation of P. hermaphrodita as a biological control agent against molluscs in Europe. To date, P. hermaphrodita has not been isolated from South ... -
First record of the snapper-choking isopod Cymothoa excisa (Isopoda: Cymothoidae) parasitizing invasive lionfish Pterois volitans (Scorpaeniformes: Scorpaenidae)
(Cambridge Univ Press, 2018)Two female snapper-choking isopods Cymothoa excisa (body length 11 and 14 mm) were in the buccal cavity of two invasive lionfish Pterois volitans (total length 294 and 301 mm) collected in Alacranes Reef, southern Gulf of ... -
First record of the water mold Achlya bisexualis (Saprolegniaceae) isolated from ornamental fish in South Africa
(Wiley, 2019)The order Saprolegniales (Class Oomycota) is a group of fungus‐like eukaryotic microorganisms that have been associated with infections in fish and fish eggs. Infections with microorganisms from this order are clearly ... -
First record of viviparity in polystomatid flatworms (Monogenea: Polystomatidae) with the description of two new species of Madapolystoma from the Madagascan anuran hosts Blommersia domerguei and Mantella expectata
(Elsevier, 2018)Two frog species, Blommersia domerguei and Mantella expectata, are reported as hosts for new species of Madapolystoma. Phylogenetic analyses and genetic divergences observed in the genus supported the distinction of two ... -
First records of Brevipalpus lewisi McGregor (Acari: Trombidiformes: Tenuipalpidae) in South Africa, with notes on distribution and field ecology
(BioOne, 2017)The presence of Brevipalpus lewisi (Trombidiformes: Tenuipalpidae) is reported from South Africa for the first time. Previously this mite was a listed phytosanitary pest to South Africa, and entry of infested goods was ... -
The first records of Polygala westii (Polygalaceae) for South Africa (North-West Province) and a key to the southern African Polygala species in the Section Tetrasepalae
(Magnolia Press, 2015)The first record of Polygala westii (Polygalaceae) from the North-West Province (South Africa) is reported on here. The species is very rare and has previously only been collected in two separate gatherings. This species ... -
The first records of Stenobermuda Schultz, 1982 and Tenupedunculus Schultz, 1979 from Australia, with description of two new species from the Great Barrier Reef (Isopoda, Asellota, Stenetriidae)
(Pensoft, 2018)The genera Tenupedunculus Schultz, 1982 and Stenobermuda Schultz, 1979 are recorded for the first time from beyond the Southern Ocean, at the Great Barrier Reef, Australia. Tenupedunculus serrulatus sp. n. and Stenobermuda ... -
First report of chlorinated and brominated hydrocarbon pollutants in marine bird eggs from an oceanic Indian Ocean island
(Elsevier, 2012)We report for the first time levels of persistent organic pollutants in marine bird eggs from an oceanic island in the Indian Ocean, the world's third largest ocean. Ten eggs each of the Common Noddy, also known as the ... -
First report of gastrointestinal nematodes and coccidia parasites from free-range chickens in Mafeteng district, Lesotho
(Elsevier, 2022)Free-range chickens are an integral part of poultry production in many developing countries. In the Mountain Kingdom of Lesotho, the majority of the population own free-range chickens, which serve a variety of purposes including ... -
First report of Meloidogyne hispanica in Iran
(Springer, 2016)Meloidogyne hispanica was identified morphologically, using perineal patterns, from root samples collected from a white mulberry growing in a park in Tehran, Iran. Molecular analysis was also undertaken, based on the D2-D3 ... -
First report of metallic elements in loggerhead and leatherback turtle eggs from the Indian Ocean
(Elsevier, 2018)Bio-monitoring of pollutants in long-lived animals such as sea turtles is an important tool in ecotoxicology. We present the first report on metallic elements in sea turtle eggs from the Indian Ocean. Eggs of the leatherback ... -
First report of metazoan parasites from the cichlid Pseudocrenilabrus philander and the cyprinid Enteromius paludinosus in a South African Ramsar wetland
(NISC, 2016)Parasites of two small fish species from a Ramsar wetland in South Africa were studied in 2014–2015. The cichlid Pseudocrenilabrus philander (Weber, 1897) was parasitised by the copepod Lernaea cyprinacea Linnaeus, 1758, ...
