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Subfossil chironomidae (diptera) in surface sediments of the sinkholes (cenotes) of the Yucatan peninsula: diversity and distribution
Title Subfossil chironomidae (diptera) in surface sediments of the sinkholes (cenotes) of the Yucatan peninsula: diversity and distribution Par.title presented at the 20th International Symposium on Chironomidae, Trento, 2-8 July 2017 Author info Ladislav Hamerlík, Marta Wojewódka ... [et al.] Author Hamerlík Ladislav 1974- (90%) UMBFP09 - Katedra biológie a environmentálnych štúdií
Co-authors Wojewódka Marta (5%)
Zawisza Edyta (1%)
Cohuo Duran Sergio (1%)
Macario-Gonzalez Laura (1%)
Pérez Liseth (1%)
Szeroczyńska Krystyna (1%)
Source document Journal of Limnology. Vol. 77, no. s1 (2018), pp. 213-219. - Pavia : PAGEPress, 2018 ; International Symposium on Chironomidae medzinárodné sympózium Keywords head capsules sedimenty - sediments jazerá - lakes Headings Geogr. Mexiko Language English Country Italy systematics 574 Annotation Cenotes (sinkholes), formed by the dissolution of the carbonate rock, are the most common waterbodies on the Yucatan Peninsula. Despite their unique features and great amount in the region, our knowledge on the biota of cenotes remains fragmentary. Within the present study we analysed chironomid remains from surface sediment of ten cenotes situated in SE Mexico. In total, 20 taxa of 17 genera were recorded, and the total diversity was estimated to ~30 taxa. The most common taxa were Polypedilum (Tripodura) sp., Tanytarsus ortoni-type, Fittkauimyia sp., Labrundinia sp. and Endotribelos sp. There was a great variability in head capsule abundance among cenotes, ranging from 1 to 64 individuals per site with significantly higher number of remains recorded in open cenotes compared to the closed, cavern types. The results indicate that beside ecological features, such as low trophy, oxygen depletion, simplified habitat structure and fish predation, there are also taphonomical processes connected to the specific nature of cenotes that can hinder the accumulation of biological remains in the sediment. We conclude that due to poor sedimentation and preservation of remains, cenotes have limited potential for palaeolimnological studies URL Link na plný text Public work category AFC No. of Archival Copy 43820 Repercussion category LENCIONI, Valeria - CRANSTON, Peter S. - MAKARCHENKO, Eugenyi A. Recent advances in the study of chironomidae : an overview. In Journal of limnology. ISSN 1129-5767, 2018, vol. 77, pp. 1-6.
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Number of the records: 1