Benthos of Lake Mikri Prespa (North Greece)

Petridis, D.; Sinis, A. I.

doi:10.1007/bf02329313

Cited by 17 publications

(4 citation statements)

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“…They are also very low compared to those for ponds without fish in Japan (18 600 ind./ m 2 ) (Xie et al, 1998). They approach those for lake Mikri Prespa in Greece (2150 ind./m 2 ) (Petridis & Sinis, 1995). These low densities could be the result of weak phytoplankton production, in turn explained by the weak values for nitrates (0.1 -0.45 mg.L -1 ), phosphates (0.49 -1.45 mg.L -1 ) and transparency (54 -142 cm) registered in the lake.…”

Section: -Discussionmentioning

confidence: 71%

Temporal dynamics of <i>Chaoborus larvae</i> (Diptera : Chaoboridae) in the tropical ecosystem (lake Ayamé I ; Côte d’Ivoire).

Diomande¹,

Tie-Bi²,

Franquet³

et al. 2010

Sci & Nature

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Chaoborus larvae are voracious predators of zooplankton able to change their specific composition and size structure. Thus they appear as competitors of fish. They also represent food for planktophage fish. The temporal dynamics of Chaoborus larvae was studied (from january to october 1997) in the fishery of Bakro (5°33'N and 3°15'W) situated in lake Ayamé I (Côte d'Ivoire). Two peaks of density were observed : the most pronouced in March (end of the major dry season) with 747 ind./m 2 , and another, less pronouced in June (end of the major rainy season), with 280 ind./m 2 . Differences between densities may well be explained by the advent of the rainy season which leads to a decline in trophic resources (zooplankton) and exposes Chaoborus larvae to predation by fish. Key-words

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Section: -Discussionmentioning

confidence: 71%

Temporal dynamics of <i>Chaoborus larvae</i> (Diptera : Chaoboridae) in the tropical ecosystem (lake Ayamé I ; Côte d’Ivoire).

Diomande¹,

Tie-Bi²,

Franquet³

et al. 2010

Sci & Nature

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“…These rivers flow in the European part of Turkey, but close to the Greek boundaries and provide some information on the midge fauna of the region. Petridis and Sinis (1995) recorded eight Chironomidae taxa from Lake Mikri Prespa: Einfeldia dissidens, Chironomus plumosus, Microchironomus tener, Polypedilum nubeculosum, Cladopelma lateralis, Tanytarsus sp., Tanypus punctipennis and Procladius (Holotanypus) and 13 from Tavropos reservoir (Petridis and Sinis 1993). Their material consisted of samples from 127 stations from Mikri Prespa and 111 from Tavropos reservoir in a broad depth range.…”

Section: Discussion and Conclusion Ecogeographical Distribution Of Cmentioning

confidence: 99%

The Chironomidae (Diptera) fauna of Greece: ecological distributions and patterns, taxalist and new records

Płóciennik

Karaouzas

2014

Ann. Limnol. - Int. J. Lim.

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-For the first time, a faunistic list of the Chironomidae fauna of Greece is presented along with its ecological distribution. Chironomidae larvae and pupal exuviae were collected from 61 locations in mainland Greece during 2006-2008. 76 taxa (genera to species) were recorded. The genera Potthastia, Brillia, Euorthocladius, Synorthocladius, Tvetenia and Xenochironomus are recorded for the first time from Greece. Furthermore, 12 species are new for Greece and five are new for mainland Greece. Chironomidae collected from running waters were analysed with ordination techniques. The results revealed that Chironomidae assemblages were distinguished into three ecoregions with distinct climatic, geological and hydrochemical features. Running waters in Northwestern Greece were generally dominated by species tolerant to water acidification. Chironomids typical of eastern uplands preferred relatively slow current and soft bottom sediments. Assemblages of the southern Peloponnese Peninsula were represented by species of relatively fast flowing, warm streams. However, these are only preliminary results and many more data are needed to justify this ecological distinction of Chironomidae assemblages. This is the first study contributing to the knowledge of a rather neglected insect group of the Greek fauna. It is expected that more species remain to be identified and recorded and future works will contribute to this initial faunal list.

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“…The comments of P. Glöer, T. Sitnikova, and an anonymous reviewer on an earlier version are also acknowledged. Information are based on own data and literature survey (Falniowski et al, 1988;Frogley & Preece, 2004Glöer & Pešić, 2008;Hadžišče, 1956;Koussouris & Pugh-Thomas, 1982;Maassen, 1980;Petridis & Sinis, 1995;Radoman, 1983Radoman, , 1985Reischütz & Reischütz, 2003;Schütt, 1962;Stankovic, 1985). Species with complex shell structures are in bold a Frogley & Preece (2004) listed the species as V. piscinalis while new data (2007) …”

Section: Enhanced Levels Of Shell Complexity In Valvata and Occurrencmentioning

confidence: 99%

Testing two contrasting evolutionary patterns in ancient lakes: species flock versus species scatter in valvatid gastropods of Lake Ohrid

2008

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Ancient lakes have long been recognized as ''hot spots of evolution'' and ''evolutionary theatres'' and they have significantly contributed to a better understanding of speciation and radiation processes in space and time. Yet, phylogenetic relationships of many ancient lake taxa, particularly invertebrate groups, are still unresolved. Also, the lack of robust morphological, anatomical, and phylogeographical data has largely prevented a rigorous testing of evolutionary hypotheses. For the freshwater gastropod genus Valvata-a group with a high degree of endemism in several ancient lakes-different evolutionary scenarios are suggested for different ancient lakes. Lake Baikal, for example, is inhabited by several endemic Valvata taxa that presumably do not form a monophyletic group. For such an evolutionary pattern, the term ancient lake species scatter is introduced here. In contrast, for the Balkan Lake Ohrid, workers previously suggested the presence of a monophyletic group of endemic Valvata species, that is, an ancient lake species flock. Sequence data of the mitochondrial cytochrome oxidase c subunit I gene (COI) from worldwide taxa, with a strong emphasis on Balkan species, are here used to test whether the putative Ohrid Valvata endemics represent an ancient lake species flock and to study patterns of speciation both on the Ohrid and the Balkan scale. The study reveals three distinct clades of endemic Valvata in Lake Ohrid. Monophyly of these taxa, however, is rejected, and they therefore do not represent an ancient lake species flock, but rather an ancient lake species scatter. Also, in contrast to many other gastropod groups in Lake Ohrid, the valvatids apparently did not radiate. Many Valvata taxa in ancient lakes are characterized by enhanced levels of shell complexity. However, it remains unclear whether these patterns are associated with ancient lake environments per se. It is here suggested that similarities in shell structure between North American and Balkan taxa might simply be due to convergent evolution.

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Benthos of Lake Mikri Prespa (North Greece)

Cited by 17 publications

References 18 publications

Temporal dynamics of <i>Chaoborus larvae</i> (Diptera : Chaoboridae) in the tropical ecosystem (lake Ayamé I ; Côte d’Ivoire).

Temporal dynamics of <i>Chaoborus larvae</i> (Diptera : Chaoboridae) in the tropical ecosystem (lake Ayamé I ; Côte d’Ivoire).

The Chironomidae (Diptera) fauna of Greece: ecological distributions and patterns, taxalist and new records

Testing two contrasting evolutionary patterns in ancient lakes: species flock versus species scatter in valvatid gastropods of Lake Ohrid

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