Beron P. (ed.). Biodiversity of Bulgaria 4. Biodiversity of Western Rhodopes (Bulgaria and Greece) II. Pensoft & Nat. Mus. Natur. Hist., Sofja Species richness of Rotifera from the water bodies in the Bulgarian part of the Rhodope Mountains – South Bulgaria Dimitar KOŽUHAROV Kožuharov D. 2011. Species richness of Rotifera from the water bodies in the Bulgarian part of the Rhodope Mountains – South Bulgaria. In: Beron P. (ed) Biodiversity of Bulgaria. 4. Biodiversity of Western Rhodope (Bulgaria and Greece) II. Pensoft & Nat. Mus. Natur. Hist. Sofja, 21-29. Abstract : A checklist of the Rotifera Fauna from the Rhodope Mountains with data about the occurrence of the species is presented. Up to date, 53 taxa from different taxonomical levels were recorded from the freshwater bodies in the Rhodope Mountains. Most of these inhabit the pelagic and littoral zones of different types of natural and artifjcial (reservoirs and fjsh farms) water bodies. Only a few of them were found in other types of habitats. Development and the current state of rotifer faunistics in the Rhodope are discussed and suggestions are given, where new rotifer taxa may be found. Keywords : Rotifera, Bulgaria, Rhodope Mountains, distribution, faunistics, checklist Introduction Tie aim of this study is to summarize the existing data about the Rotifera fauna in the Rhodope Mountains. Also, some new data about the species and their habitats unpublished before are given. In total, 53 taxa of Rotifera at difgerent taxonomic level – genus, species and subspecies, from difgerent types of water bodies –natural, artifjcial and interstitial zones have been found (Tab. 1). In the check list, several subspecies of rotifers that have repeatedly been recorded in numerous recent papers concerning the Rotifera fauna in the Rhodope are included. Tie classifjcation system of the listed Rotifera follows the papers of Voigt (1957), Rudescu (1960), Kutikova (1970, 1994), Koste (1978), Segers (2002), Wallace et al. (2006). Tie used subspecies names mostly from the Brachionidae family are according to the species 2000 it is Catalogue of Life (Segers, ed. 2007). Tie classifjcation of genus Lecane in the checklist follows Segers (1993, 1995, 2006) and Segers & Rico-Martinez (2000). Tiese authors reject the validity of the subgenera in the genus Lecane . L. (s. str.), L. ( Hemimonostyla ) and L. ( Monostyla ), used previously by Kutikova (1970), Koste (1978) and Koste & Shiel (1990).
22 D. KOŽUHAROV Ta b l e 1 Systematic range of the Rotifera taxa found in the Rhodope Mountains Taxa Families Genera Species/Subspecies Phylum Rotifera Class Eurotatoria Subclass Mon ogononta Superorder Pseudotrocha Order Ploima 9 14 46 Superorder Gnesiotrocha Order Flosculariaceae 2 4 7 Total 11 18 53 Research on the Rotifera fauna in the Rhodope Tie fjrst data on Rotifera in the waters of the Rhodope were published by Valkanov (1934 a, b) during three subsequent decades; that author recorded several species and subspecies of rotifers from difgerent types of water bodies mostly in the West parts of the Mountain. More than 60 % of the recorded species and subspecies of Rotifera in the Rhodope were established for the fjrst time by Naidenov during the period 1960- 1984 (Naidenov 1964 a, b, c, 1972, 1976, 1977 a, b, c, 1978, 1984, Naidenov & Sais 1983). Tie papers of Ludskanova (1967, 1970, 1972) also contributed signifjcantly to the kowledge base of the Rotifers in the Rhodopes. Check list of Rotifera found in the water bodies of the Rhodope Tie list contains the rotifers found in the water bodies in the Rhodope with localities and authors who have found them. Tiey belong to 1 class, 1 subclas, 2 superorders, 2 orders, and 10 families (Tab. 1). Phylum Rotifera Cuvier, 1817 Class Eurotatoria De Ridder, 1957 Subclass Monogononta Plate, 1889 Superorder Pseudotrocha Kutikova 1970 Order Ploima Hudson et Gosse, 1886 Fam. Asplanchnidae Eckstein, 1883 Asplanchna priodonta Gosse, 1851 Batak reservoir: Naidenov, 1964, 1976, 1977a, b, 1984; Ivajlovgrad reservoir: Kožuharov, new data
Species richness of the Rotifera from the water bodies... 23 A. priodonta priodonta Gosse, 1851 Batak reservoir – Naidenov 1964, 1976, 1977a, b; Studen Kladenec reservoir: Kožuharov, new data A. sieboldii (Leydig, 1854) Batak reservoir: Naidenov, 1964, 1976, 1977a, b; Studen Kladenec reservoir, Ivajlovgrad reservoir: Kožuharov, new data A. britwellii Gosse, 1850 Batak reservoir: Naidenov, 1976; Studen Kladenec reservoir: Kozuharov, new data . Asplanchna sp. Studen Kladenec reservoir: Kožuharov, new data Fam. Brachionidae Ehrenberg, 1838 Brachionus angularis Gosse, 1851 Batak reservoir: Naidenov, 1977; Studen Kladenec reservoir: Kožuharov, new data B. calycifmorus Pallas, 1766 Everywhere in the Rhodope – standing water bodies: Valkanov, 1934, 1957; Naidenov, 1977 a, b, c, 1978, 1984; Ludskanova, 1972b, 1975 B. calycifmorus calycifmorus Pallas, 1766 Most of the big reservoirs in the Western and Eastern Rhodope: Ludskanova, 1972b, 1975; Naidenov, 1977 B. calycifmorus amphiceros Ehrenberg, 1838 In the most of the big reservoirs, fjsh farm ponds: Ludskanova, 1972 b, 1975; Naidenov, 1977, 1981 B. calycifmorus pala (Ehrenberg, 1833) Water bodies in the West parts of the Rhodope Mountains. Naidenov, 1977b; Naidenov & Sais, 1983 B. quadridentatus melheni Barrios et Daday, 1894 Water bodies in the West parts of the Rhodope Mountains: Naidenov, 1977 b; Naidenov & Sais, 1983 B. sericus Rousselet, 1907 Rozov Kladenec reservoir: Naidenov 1977c Keratella cochlearis (Gosse, 1851) Everywhere in difgerent types of water bodies in the Western Rhodope: Valkanov, 1934a, b, Ludskanova, 1972b, 1975, Naidenov, 1964, 1976, 1977a, b; Kardjali reservoir in the Eastern Rhodope: Traykov 2005, Kožuharov, new data. K. cochlearis hispida (Lauterborn, 1898) Batak reservoir: Naidenov, 1977a
24 D. KOŽUHAROV K. tecta (Gosse, 1851) In small water bodies in the Trigrad region: Naidenov & Sais 1983; Studen Kladenec reservoir: Kožuharov, new data. K. quadrata Carlin, 1943 Everywhere in difgerent types of water bodies in the Western Rhodope up to an altitude 1500 m a.s.l.: Valkanov, 1934a, b; Naidenov, 1964, 1972, 1977a, b, c, 1984; Naidenov & Sais, 1983; In the East part of the Mountain – Studen Kladenec reservoir, Ivajlovgrad reservoir, Kardjali reservoir: Kožuharov, new data K. valga (Ehrenberg, 1834) Dospat reservoir: Naidenov, 1977 b, c; Studen Kladenec reservoir: Kožuharov, new data K. hiemalis Carlin, 1943 Everywhere in difgerent types of water bodies in the Rhodope: Naidenov, 1977a, b, c; Naidenov & Sais, 1983 K. tropica (Apstein, 1907) Studen kladenec reservoir: Kožuharov, new data Notholca acuminata (Ehrenberg, 1832) Everywhere in the difgerent type of water bodies in the Western Rhodope: Valkanov, 1934; Naidenov, 1964, 1972, 1977 N. squamula (Müller, 1785) Batak reservoir: Naidenov, 1977 Kellicottia longispina (Kellicott, 1879) Most of the reservoirs in the Western Rhodope: Naidenov, 1977a, b, Naidenov & Sais, 1983; Kardjali reservoir in the Eastern Rhodope: Traykov, 2005, Kožuharov, new data. Plationus patulus (Müller, 1785) Dospat reservoir, fjsh farm ponds: Naidenov, 1977b P . polyacanthus (Berzins, 1943) Bogs in Rhodope Mountains – Trigrad region: Naidenov & Sais, 1983 Platyias quadricornis (Ehenberg, 1832) Dospat reservoir, fjsh farm ponds: Naidenov, 1977 b, Grozev, 2000 P . quadricornis brevispinus (Daday, 1905) Dospat reservoir: Naidenov, 1977 b Fam. Dicranophoridae Harring, 1913 Dicranophorus sp Batak reservoir: Naidenov, 1977 b, c Fam. Epiphanidae Harring, 1913
Species richness of the Rotifera from the water bodies... 25 Epiphanes brachionus (Ehrenberg, 1837) Batak reservoir: Naidenov, 1976, 1977a, b Fam. Euchlanidae Ehrenberg, 1838 Euchlanis dilatata Ehrenberg, 1832 Everywhere in difgerent types of water bodies in the Western Rhodope: Valkanov, 1934a, b; Naidenov, 1964, 1972, 1977 a, b; Naidenov & Sais, 1983 Fam. Lecanidae Remane, 1933 Lecane luna (Müller, 1786) Everywhere in standing water bodies in the Rhodope: Naidenov, 1964, 1972, 1977a, b, c; Naidenov & Sais, 1983; bogs close to Beglika reservoir: Kožuharov, new data. L. lunaris (Ehrenberg, 1832) Everywhere in difgerent types of water bodies in the Western Rhodope: Naidenov, 1976, 1977a, b Fam. Synchaetidae Hudson et Gosse, 1886 Synchaeta cecilia Rousselet, 1902 Everywhere in difgerent types of water bodies in the Western Rhodope: Naidenov, 1964, 1976, 1977a, b S. pectinata Ehrenberg, 1832 Batak reservoir: Naidenov, 1976, 1977a, Synchaeta sp. Batak reservoir: Naidenov, 1964, 1977; Kardjali reservoir: Kožuharov, new data. Polyarthra vulgaris Carlin, 1943 Everywhere in difgerent types of water bodies in the Rhodope: Naidenov, 1964, 1976 . dolichoptera Idelson, 1925 P All big reservoirs in the Rhodope: Naidenov, 1976, 1977a, b . euryptera Wierzejski, 1891 P Fish farm ponds, Batak reservoir: Naidenov, 1976 . major Burckhardt, 1900 P Batak reservoir: Naidenov, 1976, 1977 a . minor Voigt, 1904 P Batak reservoir: Naidenov, 1964, 1976, 1977 Fam. Trichocercidae Harring, 1913 Trichocerca (s. str.) rattus (Müller, 1776) Everywhere in difgerent types of water bodies in the Rhodope: Naidenov, 1964, 1976, 1996; Ludskanova, 1970, 1972, 1975
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