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Brachionidae (Rotifera: Monogononta) Species from Turkey



Murat Kaya and Ahmet Altindag
 
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ABSTRACT

Fifteen species of Brachionids (Monogononta: Brachionidae) are recorded from 13 water sites in Turkey. One of them, Notholca striata (Müller) is new record for the Turkish fauna. The total number of species included 7 species of the genus Brachionus, 4 species of the genus Keratella, 3 species of the genus Notholca and 1 species of Platyias. The samples generally were collected between 2005 and 2006, but two of them were collected on 20.08.1990. Some measurements of the species were given.

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  How to cite this article:

Murat Kaya and Ahmet Altindag, 2007. Brachionidae (Rotifera: Monogononta) Species from Turkey. Asian Journal of Animal Sciences, 1: 40-47.

DOI: 10.3923/ajas.2007.40.47

URL: https://scialert.net/abstract/?doi=ajas.2007.40.47

INTRODUCTION

Although many studies describing the environmental conditions of Turkish lakes exist to date, most of these studies have dealt with the seasonal fluctuations and hydrological changes. During the last two decades, many investigators focused their studies on the rotifer fauna of Turkish inland waters and significant progress has been achieved in the assessment of the Rotifera fauna of Turkey (Dumont and De Ridder, 1987; Segers et al., 1992; Altnda and Yi, 1999; Emir, 2004).

The family Brachionidae are presently believed to include seven genera (Koste, 1978), Brachionus, Keratella, Notholca, Anuraeopsis, Kellicottia, Platyias and Paranuraeopsis. Of these, the first five genera are represented in Turkey.

MATERIALS AND METHODS

The samples were collected using 50 and 55 μm plankton nets. They were fixed in 4% formalin. The sampling localities (Fig. 1) are listed below, with the sampling dates given after each locality. Specimens were analyzed under a stereomicroscope and identified using a compound microscope. Camera lucida was used for drawings.

List of localities:

1. Selim, 40° 28′ N, 42° 44′ E (Kars) : 20.08.1990.
2. 40° 36′ N, 43° 06′ E (Kars) : 20.08.1990.
3. Soysalli, Develi (Kayseri) : 25.12.2005.
4. Zamantı River, Develi (Kayseri): 28.12.2005.
5. Ağcaşar Dam Lake, Develi (Kayseri) : 25.12.2005.
6. Homurlu Stream, Develi (Kayseri): 27.12.2005.
7. Kizilirmak, Karakecili (Kirikkale): 18.12.2005.
8. Acisu, Karakecili (Kirikkale): 18.12.2005.
9. Atatûrk Orman Çiftliği (Ankara): 01.12.2005
10. Lake Eber (Afyon): 14.07.2006.
11. Lake Eğirdir (Isparta): 01.12.2005.
12. Lake Kovada (Isparta): 02.10.2005.
13. Lake Burdur (Burdur): 02.10.2005.

Image for - Brachionidae (Rotifera: Monogononta) Species from Turkey
Fig. 1: The sampling localities. The numbers refer to the localities given in the text

RESULTS AND DISCUSSION

Twenty-nine species of Brachionidae (1 species of the genus Platyias, 16 species of the genus Brachionus, 6 species of the genus Keratella, 3 species of the genus Notholca, 1 species of the genus Kellicottia and 2 species of the genus Anuraeopsis) have been recorded from Turkish inland waters to date (Ustaoğlu, 2004). We identified 15 species of the family Brachionidae (7 species from Brachionus, 4 species from Keratella, 3 species from Notholca and 1 species from Platyias) from Turkish inland waters. One of them, Notholca striata (Müler) is new record for the Turkish fauna.

List of species:
Brachionus angularis (Gosse) (Fig. 2C and D): Loc. 2, 4, 9, 10.
Brachionus calyciflorus Palas (Fig. 4A and B): Loc. 9, 12.
Brachionus leydigii Cohn (Fig. 4A and B): Loc. 5.
Brachionus plicatilis Müler (Fig. 3C and D): Loc. 13.
Brachionus quadridentatus Hermann (Fig. 2A and B): Loc. 12.
Brachionus rubens Ehrenberg (Fig. 3E and F): Loc. 10, 12.
Brachionus urceolaris Müler (Fig. 3A and B): Loc. 1.
Keratella cochlearis (Gosse) (Fig. 5B and C): Loc. 1, 3, 4, 5, 6, 11, 12.
Keratella quadrata (Müler) (Fig. 5D and E): Loc. 4, 7, 9.
Keratella tecta (Gosse) (Fig. 5A): Loc. 12. Keratella tropica (Apstein) (Fig. 5F): Loc. 4, 12, 13.
Notholca acuminata Ehrenberg (Fig. 6B): Loc. 9.
Notholca squamula (Müler) (Fig. 6A): Loc. 5, 6.
* Notholca striata (Müler) (Fig. 7A and B): Loc. 8.
Platyias quadricornis (Ehrenberg) (Fig. 6C): Loc. 4, 9.
* New record for Turkish rotifer fauna

Brachionus angularis (Gosse): Cosmopolitan. Measurements: Length 174 μm, width 140 μm.

Image for - Brachionidae (Rotifera: Monogononta) Species from Turkey
Image for - Brachionidae (Rotifera: Monogononta) Species from Turkey
Fig. 2: (A and B) Brachionus quadridentatus (Lake Kovada-Isparta), (C and D) Brachionus angularis (Lake Eber-Afyon). (A and C) Ventral view, (B and D). Dorsal view. Scale bars 50 μm

Brachionus calyciflorus Palas: It is cosmopolitan in alkaline waters in Turkey. Measurements: Length 229 μ, width 110 μm, posterior lateral spines 84-93 μm, anterior median spines 43-47 μm.

Brachionus leydigii Cohn: It is cosmopolitan in alkaline waters in cold season. Anterior median spines longer than submedian and lateral spines, foot opening with 3 short spines.

Measurements: Length 268 μm, width 218 μm, anterior median spines 32-35 μm, anterior submedian spines 21-22 μm, anterior lateral spines 20-21 μm.

Brachionus plicatilis Müler: Cosmopolitan in saline and brachkish waters. Measurements: Length 247 μm, width 188 μm.

Brachionus quadridentatus Hermann: Cosmopolitan. Anterior median spines longer than anterior submedian spines, anterior submedian spines longer than anterior lateral spines. Measurements: Length 202 μm, width 170 μm, anterior median spines 29-30 μm, anterior submedian spines 9-10 μm, anterior lateral spines 14-15 μm.

Image for - Brachionidae (Rotifera: Monogononta) Species from Turkey
Image for - Brachionidae (Rotifera: Monogononta) Species from Turkey
Image for - Brachionidae (Rotifera: Monogononta) Species from Turkey
Fig. 3: (A and B):Brachionus urceolaris (Selim-Kars), (C and D.) Brachionus plictilis (Lake Burdur-Burdur), (E and F.) Brachionus rubens (Lake Eber-Afyon). (A, C and E.) Ventral view, (B, D and E. D)orsal view. Scale bars 50 μm

Image for - Brachionidae (Rotifera: Monogononta) Species from Turkey
Image for - Brachionidae (Rotifera: Monogononta) Species from Turkey
Fig. 4: (A and B) Brachionus leydigii (Ağcaþar Dam Lake-Kayseri), (C and D) Brachionus calyciflorus (Lake Kovada-Isparta) (A and D) Ventral view, (B and C) Dorsal view. Scale bars 50 μm

Brachionus rubens Ehrenberg: It is cosmopolitan fresh and alkaline waters in Turkey. Measurements: Length 216 μm, width 171 μm.

Brachionus urceolaris Müler: Cosmopolitan. Measurements: Length 185 μm, width 143 μm. According to Koste and Shiel (1987), length of B. urceolaris is 200-300 μm. Our measurement is smaller than theirs.

Keratella cochlearis (Gosse): Cosmopolitan. Measurement: Length 129 μm.
Keratella quadrata (Müler): Cosmopolitan. Measurement: Length 274-334 μm.

Keratella tecta (Gosse): Cosmopolitan. Measurements: Length 104 μm, width 67 μm.

Keratella tropica (Apstein): Cosmopolitan in euthrophic waters. Measurement: Length 201 μm.

Notholca acuminata Ehrenberg: It is cosmopolitan in brachkish waters in cold season. Measurements: Length 269 μm, width 108 μm, median occipital spines 35-37 μm, submedian spines 10-13 μm, lateral spines 30-34 μm.

Image for - Brachionidae (Rotifera: Monogononta) Species from Turkey
Image for - Brachionidae (Rotifera: Monogononta) Species from Turkey
Fig. 5: (A) Keratella tecta (Lake Kovada-Isparta), (B and C) Keratella cochlearis (Lake Kovada-Isparta), (D and E) Keratella quadrata (Zamantý River-Kayseri), (F) Keratella tropica (Lake Kovada-Turkey). C. Ventral view, (A, B, D, E and F) dorsal view. Scale bars 50 μm

Notholca squamula (Müler): It is cosmopolitan in brachkish waters in Turkey. Measurements: Length 153 μm, width 111 μm, median occipital spines 16-17 μm, submedian spines 7-8 μm, lateral spines 17-19 μm.

Notholca striata (Müler): Lorica ovate or more elongate, rounded behind. With rather strong striae on dorsal plate. Two lateral mobile setae on the posterior part of lorica, rather stout but short. Marine species, especially in the littoral zone. Planktonic close to the bottom (Berzins, 1960). Measurements: Lorica length 122.7 μm, lorica width 80.1 μm.

According to Akbulut and Yildiz (2005), 229 rotifer species had been identified from Turkey. After that, Dicranophorus epicharis (Harring and Myers), Lecane rhytida (Harring and Myers), Lecane obtusa (Murray) and Testudinella parva (Ternetz) were given new record species to Turkish rotifer fauna by Altındağ et al., (2005). Notholca striata was given new species to Turkish rotifer fauna in the present study and as a result of the studies the number of the rotifer species increased from 229 to 234 in Turkey.

Image for - Brachionidae (Rotifera: Monogononta) Species from Turkey
Image for - Brachionidae (Rotifera: Monogononta) Species from Turkey
Fig. 6: (A) Notholca squamula (Ağcaşar Dam Lake-Kayseri), (B) Notholca acuminata (Atatûrk Orman Çiftliği-Ankara), (C) Platyias quadricornis (Atatûrk Orman Çiftliği-Ankara). (A, B and C) Dorsal view. Scale bars: (A and B) 50 μm, C. 100 μm

Image for - Brachionidae (Rotifera: Monogononta) Species from Turkey
Fig. 7: Notholca striata (Acısu, Karakeçili- Kırıkkale), (A) Dorsal view, (B) Ventral view, Scale bar: 50 μm

ACKNOWLEDGMENTS

We would like to thank Dr. Hendrik Segers for helping us to identify some Brachionidae species and for giving us an opportunity to study at Royal Belgian Institute of Natural Sciences in Brussels, Belgium. We also would like to thank Prof. Dr. Henri J. Dumont (Gent University, Belgium) for collecting of the some samples in this study.

REFERENCES

1:  Akbulut, N. and K. Yildiz, 2005. The rotifera fauna of euphra river basin (Turkey). Hacettepe J. Biol. Chem., 34: 93-105.

2:  Altnda, A. and S. Yi, 1999. Akoehir golu rotifera faunas2 uzerine bir araot2rma. Turk. J. Zool., 23: 1-6.

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4:  Berzins, B., 1960. Rotatoria IV, order: Monogononta, sub-order: ploima. Conseil International Pour L Exploration De La Mer., Sheet 87.

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7:  Koste, W., 1978. Rotatoria. die ridertiere mittleuropas, begrfindet von max. Voigt. Uberordnung Monogononta. Gebriider Borntraeger, Berlin, Stuttgart. Text. U. Tafebd.

8:  Koste, W. and R.J. Shiel, 1987. Rotifera from Australian inland waters. II. Epiphanidae and Brachionidae (Rotifera: Monogononta). Invertebr. Taxon., 7: 949-1021.
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10:  Ustaoglu, M.R., 2004. A check-list for zooplankton of turkish inland waters. J. Fish. Aquat. Sci., 21: 191-199.
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