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Micrograph of Fridericia connatiformis sp. n.: A = epidermal glands in transverse rows and an extra sexual gland in V (marked with arrow), B = two extra sexual glands in V (marked with arrows), C = extra sexual glands in XI ventrally, D-H spermathecae (in D, F and H the diverticula full with sperm, in E and G the diverticula empty). (A, B, D-F in vivo, C, G fixed, stained, H one removed spermatheca of the fixed, stained specimens; scale bars = 50 μm)
Source publication
The enchytraeid fauna of the Drava Floodplain (Bukkhat Forest Reserve, alder swamp and meadows at Kisszentmarton, and Barcs Nature Conservation Area belonging to the Danube-Drava National Park, Hungary) was investigated for the first time. A total of 14 enchytraeid genera, including 49 species and two other annelid worms (Hrabeiella periglandulata...
Context in source publication
Context 1
... -Large worm, holotype 13.1 mm long, 690 μm wide at VIII and 710 μm at the clitellum (fixed), segments 66. Body length of paratypes 14-23 mm, width 450-540 μm at VIII and 570-700 μm at the clitellum (in vivo), length of fixed specimens 11.4-19.9 mm, width 470-690 μm at VIII, 530-710 μm at the clitellum, segments 48-66. Chaetae two per bundle throughout, occasionally 1, formula: (1),2 -2,(1) : 2 -2. Length of chaetae about 55-60 μm, diameter 6.5-7 μm preclitellarly and 60-70 × 6.5-8 μm postclitellarly. Detached chaetae often present in coelom. Head pore at 0/I. Dorsal pores from VII. Light brown epidermal gland cells arranged in 2-3 transverse rows per segments (Fig. 3A). Body wall thick, about 45-50 μm, cuticle about 3 μm). Clitellum in XII-1/2XIII saddle-shaped, the hyaline and granular gland cells arranged in dense transverse rows dorsally (Figs 2A-B). Brain (Fig. 1A) egg-shaped, about 2-2.5 times longer than wide (about 180-200 μm long). Oesophageal appendages (peptonephridia) (Fig. 1D) long with wide lumen and with 3-5 terminal branches. Pharyngeal glands all united dorsally, all with ventral lobes. Chlorago- cytes from V, dark brown (in vivo). Dorsal blood vessel from XIX-XXI, blood colourless. Five pairs of preclitellar nephridia from 6/7 to 10/11. Coelomo-mucocytes (length ...
Citations
... There is no research on marine oligochaetes. Only two species, Marionina coatesae Erséus, 1990 and Pontodrilus litoralis (Grube, 1855), of marine oligochaetes have been recorded to date [68,69]. ...
This taxonomic study investigates marine tubificids, with a focus on the genera Smithsonidrilus, Heterodrilus, Limnodriloides, and Tubificoides and presenting a new species, Heterodrilus koreanus n. sp., discovered in the around Ulleungdo and Dokdo Islands in the East Sea of the Republic of Korea. The new species, Heterodrilus koreanus n. sp., is characterized by a very long and slender atrium with prostate glands attached to the ventral side, with indistinct ducts and large round ampullae in the spermathecae. The four recorded species are: H. pentcheffi Erséus, 1981, Limnodriloides anxius Erséus, 1990, Smithsonidrilus exspectatus Erséus, 1993, and Tubificoides heterochaetus Michaelsen, 1926. This study not only enhances our comprehension of the intricate morphology within these genera but also contributes to the broader understanding of marine oligochaetes, particularly in the Korean marine ecosystem.
... Residents expressed their views with the help of a five-point Likert scale (1-absolute disagreement, 5-absolute agreement, while a score of 3 represented a neutral position) [32,[75][76][77][78][79][80][81]. The research was conducted in the field with the help of social networks. ...
Biosphere reserves are protected areas vital for the preservation of living and inanimate nature, including the protection of anthropogenic values and cultural heritage. The basins of the Mura, Drava, and Danube rivers stretch through Slovenia, Croatia, Austria, Hungary, and Serbia and form a unique spatial unity. The Biosphere Reserve concept defines about 300,000 hectares of core and buffer zones and around 700,000 hectares of transition zones. This large, primarily marshy area is rich in natural and cultural heritage. This area is called “the Amazon of Europe” and represents the world’s first Transboundary UNESCO Biosphere Reserve, “Mura-Drava-Danube,” among five countries. This biosphere reserve is important for the preservation of the natural and cultural values of the entire region. Especially rare plant and animal representatives live in this unique geographical unity. Some species inhabit only this area. A total of 900,000 people living around this reserve have a rich cultural tradition and heritage that needs to be protected. The objective of the research is to examine the function that the selected protected areas have in the sustainable development of tourism. Quantitative methodology was used in the research. An analysis of the conducted questionnaire was performed using the SPSS v.21 software, as well as a comparative analysis of the attitudes of 1295 residents from three countries. Residents’ attitudes refer to the level of ecological, economic, socio-cultural, and institutional sustainability of this biosphere reserve as a tourist destination. The research results indicate that the four dimensions of sustainability have significant values and that the selected areas have an important function in the sustainable development of tourism.
... The species from this genus are known mainly from Europe, but some of them are also described or found in Northern Asia and North America, so the genus has a Holarctic distribution. The genus is rich in species, and new ones are still described [47] . In some cases, only the molecular approaches enabled taxonomists to confirm or reject species identity [20] , therefore the true number of species is so far not known exactly. ...
The paper refers to the merge of data, based mainly on bibliography, but also on recent sampling campaign, on the genus Cernosvitoviella present in different freshwater habitat types of the Alps, but greatly overlooked. Three different States with their regions or cantons were involved, and a total amount of 15 species was found. Some notes on the ecological requirements and on the geographic distribution of all the species caught are provided to give a more sound grounding of their presence in different water-types at local level. In addition, during the monitoring campaign of the International Cooperative Programme on Assessment and Monitoring Effects of Air Pollution on Rivers and Lakes, individuals of Cernosvitoviella goodhui Healy 1975 from one high altitude lake in Canton Ticino were found for the first time for Switzerland and here presented.
... C. crassoductus was described from 'Bábtava' Sphagnum bog of Csaroda in the northern part of the Great Hungarian Plain (Dózsa-Farkas 1990), but in 2011, this species was found again in an ash carr in northeastern Hungary. On the basis of previous faunistic investigations (Dózsa-Farkas 1970, 1990, 1998, 2007, Zicsi et al. 1990, Dózsa-Farkas et al. 2015b, it would seem that C. crassoductus occurs only in the northeastern part of Hungary, however, according to Timm (1999), it is also found in Estonia (Baltic region of Northern Europe). C. minor is the most widespread Cernosvitoviella species in Europe (Schmelz & Collado 2010) and also in Hungary (Dózsa-Farkas 1970, 1990, 1998, 2007, Zicsi et al. 1990, Dózsa-Farkas et al. 2015b. ...
... On the basis of previous faunistic investigations (Dózsa-Farkas 1970, 1990, 1998, 2007, Zicsi et al. 1990, Dózsa-Farkas et al. 2015b, it would seem that C. crassoductus occurs only in the northeastern part of Hungary, however, according to Timm (1999), it is also found in Estonia (Baltic region of Northern Europe). C. minor is the most widespread Cernosvitoviella species in Europe (Schmelz & Collado 2010) and also in Hungary (Dózsa-Farkas 1970, 1990, 1998, 2007, Zicsi et al. 1990, Dózsa-Farkas et al. 2015b. .; ...
Results of a comparative investigation on five Cernosvitoviella species from Hungarian Sphagnum mires including their distribution and the description of a new species, Cernosvitoviella farkasi sp. n., are presented in this paper. Cernosvitoviella atrata, C. aggtelekiensis, C. crassoductus and C. farkasi sp. n. could be easily distinguished from each other based on both morphological and molecular taxonomic analyses. However, C. minor seems to be a species complex on the basis of these investigations, so it was referred as C. minor sensu lato. The status of the C. minor variants requires further studies.
... 9. The name change from Cognettia to Chamaedrilus has already started to be accepted by both ecologists and taxonomists and, since the time of our revision (Martinsson et al., 2014), several publications have treated Chamaedrilus as a valid name (Boros & Dózsa-Farkas, 2015;Dózsa-Farkas et al., 2015;Holmstrup et al., 2015;Martinsson et al., 2015;Rota & de Jong, 2015;Schmelz & Collado, 2015;Torii, 2015), indicating that the name change from Cognettia to Chamaedrilus may not create the feared instability predicted by Schmelz et al. (2015). Furthermore, two species, Chamaedrilus varisetosus Martinsson, Rota & Erséus, 2015 and Chamaedrilus ozensis Torii, 2015, have been described after our revision. ...
As we were responsible for re-establishing Euenchytraeus Bretscher, 1906 and
Chamaedrilus Friend, 1913, suggesting that Cognettia Nielsen & Christensen, 1959
should be treated as a junior synonym of Chamaedrilus (Martinsson et al., 2014; cited
as 2015a by Schmelz et al.), we would like to give some supplementary information
on the case, and also explain the reasoning behind the reestablishments. In their
appeal to the Commission, Schmelz et al. (BZN 72: 186–192) give a good repetition
of the taxonomical history of the taxa involved (detailed by us in Rota et al., 2008;
Martinsson et al., 2014, 2015). However, we would like to highlight a few additional
points.
The enchytraeid fauna of the Rax mountain range (Austria) was investigated. Samples were taken from five different habitats: under Pinus mugo, under Picea abies, under Larix decidua, from a mixed forest (P. abies with Betula pendula) and from an alpine meadow. Forty one enchytraeid species belonging to 12 genera were found and additionally the terrestrial polychaete Hrabeiella periglandulata. In addition to the very frequent species, Fridericia discifera Healy, 1975, another species with very similar spermathecae but differing in some traits was also observed. The characters which could be used to discriminate this new species, F. alpica sp. n. from F. discifera are discussed in this paper. Another species collected from the study site, F. raxiensis sp. n. was also new to science and is described based on both morphological and molecular taxonomic methods.
The enchytraeid fauna of the Őrség National Park (Western Hungary), hitherto unknown, was investigated in this
study. 14 enchytraeid genera including 47 species and one other annelid worm (Hrabeiella periglandulata) were identified.
One enchytraeid species was found to be new to science and is described in this paper as Fridericia zicsii sp. nov. The new
species is distinguishable based on both morphological characters and molecular data (mitochondrial cytochrome c oxidase
subunit I, nuclear histone 3 genes and nuclear ribosomal ITS region sequences) from similar species. The enchytraeid fauna
of Őrség NP indicated well the subalpine nature of this area. The most species-rich site was the hay meadow (32 species) and
interestingly, the species number in the Sphagnum bog of Szőce was unusually high (19 species).
