Materials to the Knowledge of Molluscs of Wielkopolska (West-Central Poland)
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Folia Malacol. 21(4): 265–274 http://dx.doi.org/10.12657/folmal.021.027 MATERIALS TO THE KNOWLEDGE OF MOLLUSCS OF WIELKOPOLSKA (WEST-CENTRAL POLAND). IV: FAMILIES: NERITIDAE, VIVIPARIDAE, THIARIDAE, BITHYNIIDAE, HYDROBIIDAE AND VALVATIDAE 1 2 MICHA£ JAN CZY¯ , BART£OMIEJ GO£DYN 1Department of Animal Taxonomy and Ecology, 2Department of General Zoology, Faculty of Biology, Adam Mickiewicz University, Umultowska 89, 61-614 Poznañ, Poland (email: [email protected]) ABSTRACT: The paper presents data on 13 freshwater snail species: Theodoxus fluviatilis, Viviparus contectus, V. viviparus, Melanoides tuberculata, Bithynia tentaculata, B. leachii, Potamopyrgus antipodarum, Lithoglyphus naticoides, Marstoniopsis insubrica, Valvata cristata, V. pulchella, V. piscinalis and Borysthenia naticina, recorded over the last fifty years in the Wielkopolska district (W. Poland). Their distribution is shown on UTM/MGRS grid maps, and habitat information is provided. Among the discussed species, B. tentaculata (447 sites) and V. contectus (210 sites) are the most frequent in the region. Two alien species – M. tuberculata (two sites) and L. naticoides (seven sites) and the native B. naticina, recorded from five sites, are the least frequent. KEY WORDS: malacofauna, freshwater, Gastropoda, Orthogastropoda, Wielkopolska district INTRODUCTION Part IV is a continuation of the papers by KORA- Neritidae, Thiaridae, Valvatidae and Viviparidae. The LEWSKA-BATURA et al. (2010a, b) and SZYBIAK &JAN- distribution of their representatives is shown on KOWIAK (2012). We present brief accounts of six fami- UTM/MGRS grid maps (except Melanoides tuberculata lies of freshwater snails of the subclass Orthogastro- which occurs only in one square of the grid). Typical poda whose members were found in Wielkopolska af- habitats of each species found in the region are also ter 1957, namely: Bithyniidae, Hydrobiidae, listed. METHODS We used the methods described in KORALEWSKA- square is marked on the maps. We analysed only re- -BATURA et al. (2010a, b). Due to the common occur- ports from the last 50 years, as pre-1957 publications rence of most of the species, the data on their distri- containing the information about the past occur- bution are limited to the maps in the main text. De- rences in Wielkopolska or the Wielkopolsko-Kujawska tailed data on particular localities are stored in the Lowland were listed earlier (URBAÑSKI 1957, RIEDEL computer database of biodiversity managed by the 1988, KORALEWSKA-BATURA 1992). We also included Natural History Collections and Department of Gen- some so far unpublished sites bordering with the re- eral Zoology, AMU in Poznañ and are available upon gion but not enclosed in its administrative bound- request. The number of sites recorded in each UTM aries. 266 Micha³ Jan Czy¿, Bart³omiej Go³dyn RESULTS NERITIDAE LAMARCK, 1809 JAZDON 1976, BERGER &DZIÊCZKOWSKI 1977, LISIAK 1977, MICHA£KIEWICZ 1977, SZCZEPANIK 1980, It is a widely distributed family of marine, brackish- KORALEWSKA-BATURA 1983, 1992, SIKORA 1988, and freshwater as well as amphibious snails of the or- W£OSIK-BIEÑCZAK 1988, 1996, 2001, MIZGIER 1993). der Neritopsina, superorder Neritaemorphi. In Eu- In 25 of the sites the species occurred in flowing rope, one brackish/freshwater (Theodoxus Montfort, waters, including big rivers – Warta and Noteæ – (14 1810; 16 species) and two marine genera (Smaragdia sites), smaller ones, for example Obra and We³na (8) Issel, 1869, with two species occurring on the Euro- and streams (3). The remaining 22 sites were lacus- pean coasts, and Nerita with one species) are present trine, mainly in postglacial, ribbon-like likes (e.g. (GOFAS et al. 2001). One species has been recorded lakes Witobelskie or Góreckie), where T. fluviatilis oc- from Poland so far. curred most often in the littoral zone devoid of vege- Theodoxus (Theodoxus) fluviatilis tation. (Linnaeus, 1758) The species was most frequent in the north-west- ern and central parts of the region, becoming less so In Poland, the species occurs mainly in the north- to the east and south (Fig. 1). The range of T. ern and central lowlands, with some isolated popula- fluviatilis in Wielkopolska covers the area of moraine tions in the southern uplands (FALNIOWSKI 1989). It heights established during the last glaciation in the is most often found in fast-flowing rivers and in lake northern part of the region. As opposed to the flat littoral, usually on stony substrata. Besides the typical lowlands and sandy hills of the southern part of the form, T. fluviatilis fluviatilis, there is a brackish water region, this part of Wielkopolska is rich in suitable subspecies, T. fluviatilis littoralis (Linnaeus, 1758), habitats, for example fast-current rivers and large known from the Polish Baltic Coast (PIECHOCKI postglacial lakes. 1979). In the last 50 years 47 sites of T. fluviatilis fluviatilis VIVIPARIDAE GRAY, 1847 (1833) were recorded from 31 UTM/MGRS 10×10 km squares in Wielkopolska (Fig. 1) (ANTCZAK 1958, It is a widely distributed family of exclusively fresh- STACHOWIAK 1971, DWORNICZAK 1971, STROJKOWSKA water snails of the order Architaenioglossa, super- 1971, LENARTOWICZ 1972, MACIEJEWSKA 1972, SAPA order Caenogastropoda. Representatives of Vivipa- 1972, KORALEWSKA 1974, 1979, CHMURA 1975, ridae are found on all continents except South Amer- ica and Antarctic. One subfamily (Viviparinae) with one genus (Viviparus Montfort, 1810) and five recent species are known to occur in Europe: Viviparus acerosus (Bourguignat, 1862) with mainly Pontic range, Mediterranean V. ater (De Cristofori et Jan, 1832), V. contectus (Millet, 1813), distributed in the whole of Europe and western Siberia, V. mamillatus (Küster, 1852) – Balkan endemic and V. viviparus (Linnaeus, 1758), found in most European countries as far as the Ural Mts in the east (WELTER-SCHULTES 2012). Two species have been recorded from Poland so far: V. contectus and V. viviparus (PIECHOCKI 1979, 2008), and both are present in Wielkopolska. Viviparus contectus (Millet, 1813) The species is frequent in the whole of Poland ex- cept the mountains (FALNIOWSKI 1989), inhabiting mainly shallow, stagnant water bodies much over- grown by emerged vegetation (PIECHOCKI 1979). The number of sites of V. contectus found in 113 UTM/MGRS 10×10 km squares in Wielkopolska (Fig. 2) within the last 50 years was 210 (ANTCZAK 1958, W£OCHOWICZ 1960, BERGER 1961, CYBULSKA 1965, DWORNICZAK 1971, KÊDRA 1971, STACHOWIAK 1971, STROJKOWSKA 1971, LENARTOWICZ 1972, MACIEJEWSKA 1972, SAPA 1972, KORALEWSKA 1974, Fig. 1. Distribution of Theodoxus fluviatilis in Wielkopolska 1979, CHMURA 1975, JAZDON 1976, BERGER & Molluscs of Wielkopolska. IV 267 DZIÊCZKOWSKI 1977, LISIAK 1977, MICHA£KIEWICZ KORALEWSKA-BATURA &DZIABASZEWSKI 1992, 1977, MARKIEWICZ 1978, NASKRÊT 1978, SZCZEPANIK MILLER 1997, MIEDZIAREK 2006). 1980, KACZMAREK 1981, WITOS£AWSKA 1981, According to PIECHOCKI (1979), V. viviparus usu- ÆWIKLIÑSKA 1982, WANAD 1982, KORALEWSKA- ally inhabits lowland rivers and lakes and is most fre- -BATURA 1983, 1992, SIKORA 1988, KORALEWSKA- quently found in river bays, oxbows and lakes. In stag- -BATURA &DZIABASZEWSKI 1992, MIZGIER 1993, nant, shallow water bodies with dense vegetation; in KUCNER 1995, BASIÑSKI 1996, W£OSIK-BIEÑCZAK slow-flowing rivers it is replaced by V. contectus. The 1996, 1998, 2001, MILLER 1997). data from Wielkopolska confirm this view. The vast In 60% of the sites the species occurred in typical majority of records (48; 87%) come from flowing wa- stagnant water bodies, mainly lakes (71 sites) and ters, mainly rivers (35). The seven localities in stag- ponds of various kinds (50). The remaining 40% of nant water bodies are lakes, ponds and oxbows. localities were flowing waters, although those were In Wielkopolska the species was not recorded predominantly slow-flowing drainage ditches (23) or south of the 51°54”N which confirms that it is typical small rivers and channels with very slow current (45). of the Polish lowlands (PIECHOCKI 1979), with its con- Only 14 records (7%) came from fast-flowing rivers. tinuous range limited probably by the Ostrzeszów Hills in southern Wielkopolska. Viviparus viviparus (Linnaeus, 1758) V. viviparus is frequent in the Polish lowlands and THIARIDAE TROSCHEL, 1857 (1823) becomes rare southward. In the southern uplands the species is very rare and represented only by isolated It is a widely distributed family of freshwater snails populations (PIECHOCKI 1979). It is absent from the (order Neotaenioglossa, superorder Caenogastropo- Polish mountains. da). Representatives of Thiaridae occur on all conti- The 55 records of V. viviparus, made in Wielko- nents except Antarctic, but they are particularly di- polska during the last 50 years (Fig. 3), are distributed verse in the tropics and subtropics. One introduced in 33 UTM/MGRS 10×10 km squares (ANTCZAK 1958, species is found in Europe. W£OCHOWICZ 1960, CYBULSKA 1965, KÊDRA 1971, STACHOWIAK 1971, LENARTOWICZ 1972, MACIEJEW- Melanoides tuberculata (Müller, 1774) SKA 1972, KORALEWSKA 1974, 1979, CHMURA 1975, It is a subtropical and tropical species, native in Af- JAZDON 1976, BIESIADKA &KASPRZAK 1977, LISIAK rica and southern Asia. It was introduced in Europe, 1977, MICHA£KIEWICZ 1977, NASKRÊT 1978, most probably with plant material imported for bo- SZCZEPANIK 1980, KORALEWSKA-BATURA 1983, 1992, tanical gardens, or as an aquarium species. In Europe, Fig. 2. Distribution of Viviparus contectus in Wielkopolska Fig. 3. Distribution of Viviparus viviparus in Wielkopolska 268