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First record of the alien aquatic oligochaete species Monopylephorus limosus (Hatai, 1898) (Annelida) in Central Europe

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22 sept 2019

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Figure 1

Worldwide distribution of M. limosus
Worldwide distribution of M. limosus

Figure 2

The studied stretch of the Bolina River
The studied stretch of the Bolina River

Figure 3

Percentage contribution of taxa to the oligochaete fauna occurring in the lower course of the Bolina River
Percentage contribution of taxa to the oligochaete fauna occurring in the lower course of the Bolina River

Figure 4

Characteristics of M. limosus: A – the anterior part of the body, B – the whole individual
Characteristics of M. limosus: A – the anterior part of the body, B – the whole individual

Density and share (%) of oligochaete taxa in samples collected from the lower course of the Bolina River

Taxa 20 Jun.2017 04 Sep.2017 10 Oct. 2017 21 Jan. 2018
ind. m−2 % ind. m−2 % ind. m−2 % ind. m−2 %
Nais elinguis (Müller, 1773) 808 9.5
Paranais litoralis (Müller, 1780) 28 63.6 132 94.2 132 71.7 7604 89.1
Monopylephorus limosus (Hatai,1898) 4 2.9
Enchytraeidae juve. 16 36.4 4 2.9 52 28.3 124 1.4
Total density 60 140 184 8536
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Temas de la revista:
Química, Química, Geociencias, Geociencias, otros, Ciencias de la vida, Ciencias de la vida, otros