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Distribution of Branchiura sowerbyi in Croatia. Location numbers are presented in Tab. 1.
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The freshwater oligochaete Branchiura sowerbyi is indigenous to southeast Asia, but can be found inhabiting most of Europe. This tubificid was even described for the first time outside of its natural area of occurrence: in the garden of the Royal Botanic Society in London. It has spread over all continents except Antarctica, and in Europe it has be...
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Context 1
... and channelized lotic habitats in 2018 showed abundance percentages of B. sowerbyi reaching up to 42% in Sutla River (Donje Brezno) (site 62). Zagreb -Gravel pit Jarun Pannonian Kerovec et al., 1989Kerovec et al., 1984Kerovec et al., , 1985Kerovec et al., , 2016 In general, B. sowerbyi did not extend to the area of the Dinaric Ecoregion (ER 5, Fig. 2), with the exception of a reservoir located in Istria (Butoniga, site 41) which is part of Adriatic basin and a river located near the border of the two ecoregions (Dobra River, site 42) which is part of Black sea basin. ER 5 has some parts that are of similar climate to ER 11 (temperate-humid climate) and even parts that have warmer ...
Context 2
... and channelized lotic habitats in 2018 showed abundance percentages of B. sowerbyi reaching up to 42% in Sutla River (Donje Brezno) (site 62). Zagreb -Gravel pit Jarun Pannonian Kerovec et al., 1989Kerovec et al., 1984Kerovec et al., , 1985Kerovec et al., , 2016 In general, B. sowerbyi did not extend to the area of the Dinaric Ecoregion (ER 5, Fig. 2), with the exception of a reservoir located in Istria (Butoniga, site 41) which is part of Adriatic basin and a river located near the border of the two ecoregions (Dobra River, site 42) which is part of Black sea basin. ER 5 has some parts that are of similar climate to ER 11 (temperate-humid climate) and even parts that have warmer ...
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Citations
... The non-native species B. sowerbyi, a thermophilous tropical species tolerant to several toxins, is favored when the substrate has important quantities of sludge from effluents [65], which is exactly the case of Laspias. Moreover, this species is characterized by high distributional spreading and breeding rates, which could cause various instabilities in freshwater ecosystems, such as habitat degradation [66]. Therefore, communities were characterized by low local taxa richness and exhibited similar composition both in space and time. ...
Despite peri-urban areas being crucial for ecosystem service provisioning, they usually become degraded, as they are burdened with effluents from urban production activities. Such is the case of Laspias River (Thrace, Greece), where a series of diffuse and point pollution sources are met throughout its course, neglecting the fact that it discharges into a protected area. In an attempt to assist possible management implications in this less-researched river, two years of investigative monitoring provided the insight to test the effect of abiotic parameters in the benthic invertebrate biota and water quality, in turn. The results revealed an avalanche of pressures, where nutrients and organic pollution loads diminish richness and biodiversity, losing any temporal or seasonal pattern, resulting in biotic (taxonomic/functional) homogenization. The river is at a tipping point, and tailored measures must be designed and implemented immediately.
... In Europe, it has been found in 23 countries (Giani, 2004;Paunovic et al., 2005;Grabowski and Jabłońska, 2009;Georgieva et al., 2012;Cebulska, Krodkiewska, 2017;Vučković et al., 2019). On the territory of the former Soviet Union, B. sowerbyi was found in the Republic of Moldova (Vladimirov, 1989); in Azerbaijan (Minchegauri Reservoir) (Tagieva et al., 2016); in Uzbekistan (Palatov and Rajabov, 2017); in Kazakhstan (Shadrinsk Reservoir and Syrdarya River) (Semernoi et al., 2016); and in Ukraine, where this species of oligochaetes is noted as one of the dominants in the benthos of the Danube Lakes Yalpug, Kugurluy, and Kotlabukh (Dzhurtubaev, 2017). ...
... Owing to rapid settlement and successful adaptation, B. sowerbyi is characterized as an invasive species (Paunovic et al., 2005). It should be noted that, over the past two decades of the 21st century, the expansion of the range of this alien species has intensified, and there are more and more reports of the first finds of B. sowerbyi in European countries and other regions (including Russia), where the species was not previously found (Potyutko, 2008;Grabowski and Jabłońska, 2009;Raposeiro et al., 2009;Gusev et al., 2014;Bulysheva et al., 2016;Cebulska and Krodkiewska, 2017;Vučković et al., 2019;Pligin et al., 2020). ...
The first finding of the cosmopolite freshwater oligochaete Branchiura sowerbyi Beddard, 1892 in the Rybinsk Reservoir is reported. The oligochaete B. sowerbyi was first recorded in the Volga River basin. The species was found in the biotope of grеy silt at a depth of 8 m near Vaganikha Island in the Sheksna Reach of the Rybinsk Reservoir in October 2019.
... In China, Cui & Wang (2008) reported that B. sowerbyi, together with Limnodrilus hoffmeisteri (Claparède, 1862), were the predominant taxa in the macrozoobenthic communities. Later studies, Alves & Strixino (2000) and Dornfeld et al. (2006) for Brazil and Vučković et al. (2019) for Croatia, also demonstrated a prevailing abundance of B. sowerbyi in the benthic samples from different aquatic habitats. ...
New data on the distribution of the Asian alien species Branchiura sowerbyi (Oligochaeta: Naididae) were reported for Bulgaria. During the period 2012-2020, the species was found in 40 lotic and lentic water bodies (17 rivers and 23 reservoirs and lakes). Eight new inhabited water bodies of different types (4 reservoirs , 2 natural lakes and 2 rivers) were registered. The spread of the species in relation to environmental parameters was analysed. The ecological preferences of the B. sowerbyi showed a great adaptability and tolerance towards water temperature and oxygen concentration as well characteristics of the water bod-ies' type. The highest number of individuals was recorded in silt-sand, natural organic matter and coarse detritus substrates.
