scholarly journals Distribution of Didymosphenia, Gomphonema and Gomphosphenia diatoms (Bacillariophyta) in Turkish inland waters

2021 ◽  
Vol 50 (2) ◽  
pp. 198-219
Author(s):  
Cüneyt Nadir Solak ◽  
Agata Z. Wojtal ◽  
Mateusz Rybak ◽  
Elif Yılmaz

Abstract In this study, a total of 53 taxa were identified from 13 catchments in Turkey. Gomphonema affine var. rhombicum E.Reichardt, G. angusticephalum E.Reichardt & Lange-Bertalot, G. calcifugum Lange-Bertalot & E.Reichardt, G. elegantissimum E.Reichardt & Lange-Bertalot, G. exilissimum (Grunow) Lange-Bertalot & E.Reichardt, G. graciledictum E.Reichardt, G. italicum var. densistriatum Levkov, Mitic-Kopanja & E.Reichardt, G. linearoides Levkov, G. megolobrebissonii D.A.Chudaev, Kociolek & M.A.Golobova, G. minusculum Krasske, G. minutum f. syriacum Lange-Bertalot & Reichardt, G. reediae Levkov, Mitic-Kopanja & E.Reichardt, G. sarcophagus W.Gregory, G. subcapitatum (Grunow) E.Reichardt & Levkov and Gomphosphenia holmquistii (Foged) Lange-Bertalot were recorded for the first time in Turkey. Of the identified taxa, Didymosphenia geminata (Lyngbye) M.Schmidt, Gomphonema acuminatum Ehrenberg, G. affine Kützing, G. angustatum (Kützing) Rabenhorst, G. augur Ehrenberg, G. micropus Kützing, G. minutum (C.Agardh) C.Agardh, G. olivaceum (Hornemann) Brébisson, G. parvulum (Kützing) Kützing and G. truncatum Ehrenberg are common in the waters. G. angustius E.Reichardt, G. insignaffine Reichardt, G. insigne W.Gregory, G. italicum Kützing, G. laticollum E.Reichardt, G. pumilum var. rigidum E.Reichardt & Lange-Bertalot, G. stonei E.Reichardt, G. supertergestinum E.Reichardt and G. vibrio Ehrenberg have been recently recorded from the Turkish waters. The genus Gomphosphenia in Turkey has so far been represented only by G. grovei (M.Schmidt) Lange-Bertalot.

2009 ◽  
Vol 22 (3) ◽  
pp. 435-449 ◽  
Author(s):  
Mountasser Douma ◽  
Mohammed Loudiki ◽  
Brahim Oudra ◽  
Khadija Mouhri ◽  
Youness Ouahid ◽  
...  

AbstractResearch on the ecology, biodiversity and toxicology of cyanobacteria in Moroccan inland waters has been carried out since 1994. The results demonstrate the existence of several taxa of cyanobacteria. Most of them are toxic, bloom‑forming species present in various water bodies of the country. The present study follows upon this earlier work and spans the 2003-2006 period. The major aim was to update and supplement the existing national cyanobacteria inventory and to isolate new toxic strains. During the study period, more than 40 aquatic environments were visited and sampled.Almost 300 taxa of cyanobacteria were recorded. They belonged to 3 orders, 14 families and 46 genera. Among these, about 78 taxa are recorded for the first time in Morocco; 29 strains of cyanobacteria were successfully isolated and cultured in the laboratory. All the collected cyanobacteria, including natural blooms, mats, and cultured strains, were analyzed for toxicity and hepatotoxins (microcystins) were quantified. Using the High-performance liquid chromatography technique coupled to photodiode array (PDA) detector (HPLC-PDA), four samples ofMicrocystisblooms showed the presence of microcystins (MCs), with a concentration ranging between 1.87 and 64.4 µg•g‑1MC‑LR eq (microcystin-LR equivalents). A total of five different structural variants of MCs were detected (MC-LR, -RR, -YR, -FR, -WR). Furthermore, 3 of 29 isolates were confirmed as MCs producing strains.The results show that the widening of the survey led to a better knowledge of the diversity of cyanobacteria. The taxonomic inventory was greatly increased and several cyanobacteria strains were characterized for their toxicity. The results should be useful as a database for the identification of various aquatic environments contaminated by cyanobacterial toxins (microcystins), which represent a potent sanitary risk for human and animals.


2016 ◽  
Vol 59 (2) ◽  
pp. 87-98
Author(s):  
Maciej KARPOWICZ ◽  

Harpacticoida is the least known group of Copepoda in freshwater habitats in Poland, although they are very common and very abundant in the continental waters. The last detailed taxonomic studies of Harpacticoida in Polish inland waters were carried out about 100 years ago. A faunistic and ecological review of 12 harpacticoid species from north-eastern Poland is presented herein for the first time. Two species new to the Polish fauna were recorded: Elaphoidella elaphoides (Chappuis, 1923) and Bryocamptus (Rheocamptus) spinulosus (Borutzky, 1934). Bryocamptus spinulosus is morphologically close to B. zschokkei (Schmeil, 1893). The latter species is considered to be widely distributed in Poland, yet many records of B. zschokkei might in fact refer to B. spinulosus. Distinguishing features of these species were described in detail.


2018 ◽  
Vol 31 (1) ◽  
pp. 1-11
Author(s):  
Abdul Hussein J. Abdullah ◽  
Rafaa A. Faris

Fish assemblage was studied for a first time in the Southern part of Main Outfall Drain, in the Al-Kaii bridge region, northwest Basrah Iraq in the Al-Kaii bridge region. The study was conducted during the period from May 2016 to April 2017. Many types of fishing nets were used to collect the samples. Water temperature ranged from 14º  C in February 2017 to 30º  C in July and August 2016, while salinity ranged from   9 PSU in April 2017 to 42 PSU in December 2016. A total of 6161 individuals of fishes were caught represented 21 fish species. Six species were freshwaters fishes; four were alien species and 15 marine species. The species Acanthurus sohal was fished for the first time from the Iraqi inland waters. The most abundant three species were Poecillia latipinna, Planiliza subviridis and Thryssa whiteheadi formed 26.68%, 25.00% and 17.58%, respectively of the total number of samples. Values of the  diversity index varied from 1.23 in November to 2.17 in May, evenness index values fluctuated  between 0.52 in June to 0.88 in May, whereas richness index ranged from 1.14 in January 2017 to 2.02 in May. The present study concluded that there is a significant monthly fluctuation in salinity and the composition of fish community was changing continuously according to the salinity variation.


2021 ◽  
Vol 4 (3) ◽  
pp. 279-285
Author(s):  
Derya Bostancı ◽  
Serdar Yedier ◽  
Selma Helli ◽  
Nazmi Polat

Aquarium fish trade is one of the global industrial areas that is gradually increasing in popularity throughout the world. The sectors all over the world as well as in Turkey is one of the major causes of the spread of invasive species. The non-native aquarium fish species is known for the existence of Turkish inland waters these days. In this study, Carassius auratus were recorded for the first time in the inland waters of Ordu province of the middle Black Sea Region. C. auratus was stocked in the Ulugöl Plateau Pond in Ordu-Mesudiye for fisheries purposes and adapted to this habitat.


2021 ◽  
pp. 1156-1159
Author(s):  
K. Abbasi ◽  
◽  
A. Mouludi-Saleh ◽  
S. Eagderi ◽  
◽  
...  

Abstract. In this study, for the first time, we provide morphometric and meristic data on Petroleuciscus ulanus from the Lake Urmia basin by comparing them in the populations of the Mahabad-Chai and Godar-Chai rivers. For this purpose, a total of 100 specimens were collected using electrofishing device and cast net during 2014 and 2015. 19 morphometric and 8 meristic traits were measured and counted, respectively. The meristic traits of the two populations showed significant differences in three characters, including branched dorsal and ventral fin rays and lateral line scales (P<0.05). In addition, the morphometric analysis showed significant differences in head length, eye diameter, caudal peduncle length, dorsal fin height and base lengths, pectoral and ventral fin lengths, anal fin base and height lengths (P<0.05). The finding of the current study can help to further studies on the biological features of this endemic species of Iranian inland waters.


2020 ◽  
Vol 6 ◽  
pp. 399-406
Author(s):  
Alexey S. Sazhnev ◽  
Sergey V. Dragan

The recent status of the family Heteroceridae in Siberia is discussed and the main references are given. From ten species of the Heteroceridae, which have been reported for the fauna of Siberia, only one species Heterocerus parallelus Gebler, 1830 was previously recorded in southern Khakassia. Here we presented six species from two genera of the family Heteroceridae (Coleoptera), which we collected in the Republic of Khakassia (Eastern Siberia, Russia). We recorded five species (Augyles interspidulus (Charpentier, 1979), Heterocerus fenestratus (Thunberg, 1784), H. fossor Kiesenwetter, 1843, H. fusculus Kiesenwetter, 1843, and H. obsoletus Curtis, 1828) in Khakassia for the first time. We collected the material in Abakan River valley (Abakan city) using an ultraviolet lamps in 2018–2019. We used BLB-T5/4W Ultraviolet Black Light Bulb with 2–3 hours of exposure from May 27 to October 13, 2018 and FLU10 T8 G13/18W with 2–13 hours of exposure from March 31 to October 10, 2019. Second author collected the majority of examined specimens; all specimens are deposited in collection of the Papanin Institute for Biology of Inland Waters of the Russian Academy of Sciences.


Author(s):  
Rıza Akgül ◽  
Füsun Akgül ◽  
Veysel Aysel

There are a good many researches carried out to be able to find out the species of phytoplanktonic organisms which are widely met in the inland waters of Turkey and make up the first link of food chain in nature. In addition to this, there are lots of water sources the phytoplanktonic composition (one of the most effective methods of identifying drinking water in Turkey in which inland waters cover a huge area) and biodiversity of which have not been found out and listed. Ergene River is among the richest water basins in Turkey in terms of freshwater and there is not a comprehensive research carried out to determine the algae composition in this area. For that reason, Bacillariophyta members which are met in main streams supporting Ergene River, have been gathered seasonally; and systematic positions of these algae have been identified and photographed. As a consequence of this study; 114 different taxa species belonging to Coscinodiscophyceae (4) and Bacillariophyceae (110) taxa have been observed and found out in Ergene River and other watercourses along with water basins supporting this river. After these taxa have been gathered, how these are spread with regard to seasonal and sample points have been determined. All of these taxa, which have been identified with respect to freshwater algal flora of Turkey, have been recorded for the first time for that region while 22 of these taxa have been recorded for the first time for Turkey.


1985 ◽  
Vol 36 (6) ◽  
pp. 839 ◽  
Author(s):  
RL Croome ◽  
PA Tyler

Thirty-two species of silica-scaled Chrysophyceae of the genera Spiniferomonas, Chrysosphaerella and Paraphysomonas, belonging to the Paraphysomonadaceae Preisig & Hibberd, 1983, and Mallomonas, Mallomonopsis and Synura, belonging to the Mallomonadaceae (Diesing, 1866) Preisig & Hibberd, 1983, are recognized by electron microscopy from a wide range of Australian freshwater habitats, from tropical to temperate regions, and from a range of trophic types of lake. Eleven species are reported from Australia for the first time, and three from the Southern Hemisphere for the first time. Although most of the species are of worldwide occurrence, several are as yet known only from Australia. Several highly dystrophic lakes in Tasmania are particularly rich in species numbers and in population densities.


Author(s):  
Tomasz Rewicz ◽  
Jarosław Brodecki ◽  
Karolina Bącela-Spychalska ◽  
Alicja Konopacka ◽  
Michał Grabowski

Cryptorchestia garbinii Ruffo, Tarocco and Latella, 2014 (Amphipoda: Talitridae), a semiterrestrial amphipod, reported (as Orchestia cavimana Heller, 1865) from the Polish inland waters, e.g., the lowermost Vistula River, for the first time in 2009. Now, we have reported this species from the upper Oder River, which is c.a. 350 km SE from the closest known localities near Berlin, Germany. We confirmed its identity by the DNA barcodes and showed that all individuals found so far in other countries in Central and Western Europe represent the same haplotype, excluding a singleton from the locus typicus of this species in Lake Garda, Italy.


Author(s):  
P. S. Maitland ◽  
A. V. Holden
Keyword(s):  

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