New and interesting Luticola species (Bacillariophyta) from the mangroves of Nosy Be Island, NW Madagascar

• Autorzy: Bąk Małgorzata , Kryk Adrian , Peszek Łukasz , Kociolek John P. , Bemiasa John , Bemanaja Etienne

Identyfikatory

DOI

10.1515/ohs-2019-0002

• Języki publikacji: EN

Abstrakty

EN

Madagascar is an isolated island characterized by a high degree of endemism at all taxonomic levels. Diatom assemblages of the region are still poorly known and sporadic sampling events in various habitats (e.g. lagoons, mangroves) have revealed a large number of taxa that could not be identified. This study presents detailed descriptions of two new species of Luticola: L. nosybeana and L. madagascarensis, collected from mangrove roots on Nosy Be Island. Comparisons with the described congeners showed that the density of striae in Luticola nosybeana is higher than that in L. belawanensis and proximal raphe endings terminate as irregular, shallow grooves. Luticola madagascarensis differs from L. similis in the shape of proximal raphe endings, which are short and expanded in the latter, while continue with irregular, shallow, elongated L-shaped grooves in L. madagascarensis. Luticola nosybeana and L. madagascarensis can be distinguished under a light microscope by the shape of the central area (bow-tie shaped in L. madagascarensis and deltoid in L. nosybeana) and isolated pores (robust and well visible in L. madagascarensis, poorly discernible in L. nosybeana). The two new species are unique in their habitat preferences: while all known congeners are freshwater, the new species inhabit estuarine mangroves.

Słowa kluczowe

EN

Bacillariophyta; diatoms; Madagascar; Luticola; new species

• Wydawca: Institute of Oceanography University of Gdańsk
• Czasopismo: Oceanological and Hydrobiological Studies
• Rocznik: 2019
• Tom: Vol. 48, No. 1
• Strony: 13--22
• Opis fizyczny: Bibliogr. 36 poz.

Twórcy

autor

Bąk Małgorzata

• Palaeoceanology Unit, Faculty of Geosciences, University of Szczecin, ul. Mickiewicza 18, 70-383 Szczecin, Poland

autor

Kryk Adrian

• Palaeoceanology Unit, Faculty of Geosciences, University of Szczecin, ul. Mickiewicza 18, 70-383 Szczecin, Poland

autor

Peszek Łukasz

• Podkarpacie Innovative-Research Center of Environment, Faculty of Biology and Agriculture, University of Rzeszów, Rzeszów, Poland

autor

Kociolek John P.

• Department of Ecology and Evolutionary Biology and Museum of Natural History, University of Colorado Boulder, Boulder, CO, USA

autor

Bemiasa John

• Centre National de Données Océanographiques de Madagascar, Institut Halieutique et des Sciences Marines, 601 Tuléar, Madagascar

autor

Bemanaja Etienne

• Centre National de Recherches Océanographiques (CNRO), 207 Nosy Be, Nosy Be, Madagascar

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).