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2006•Unpublished venueRequires access

Diatom taxonomic composition of rivers in South and West Bulgaria

P I Ivanov, Emiliya Kirilova, Luc Éctor

Open publisher page 16 citations

Abstract

Abstract. The study is based on 345 diatom samples from river periphyton in South and West Bulgaria. Most of the sites and rivers are studied for the first time for diatoms. Taxonomic composition is presented by 395 taxa from 74 genera. Thirty seven percent of the taxa are reported for the first time for Bulgaria. Raphid pennate species predominated: 332 species, varieties and forms from 52 genera. The most abundant genera were: Nitzschia – 61 taxa, Navicula – 45 taxa, Gomphonema – 45 taxa. Some rare and new species for Bulgaria (Reimeria uniseriata, Gomphonema lateripunctatum, G. rosenstockianum and G. tergestinum) are presented in LM micrographs. Key words: Bulgaria, diatoms, rivers, taxonomy

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What this paper is about

Abstract. The study is based on 345 diatom samples from river periphyton in South and West Bulgaria. Most of the sites and rivers are studied for the first time for diatoms. Taxonomic composition is presented by 395 taxa from 74 genera. Thirty seven percent of the taxa are reported for the first time for Bulgaria. Raphid pennate species predominated: 332 species, varieties and forms from 52 genera. The most abundant genera were: Nitzschia – 61 taxa, Navicula – 45 taxa, Gomphonema – 45 taxa. Some rare and new species for Bulgaria (Reimeria uniseriata, Gomphonema lateripunctatum, G. rosenstockianum and G. tergestinum) are presented in LM micrographs. Key words: Bulgaria, diatoms, rivers, taxonomy

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Available abstract

Abstract. The study is based on 345 diatom samples from river periphyton in South and West Bulgaria. Most of the sites and rivers are studied for the first time for diatoms. Taxonomic composition is presented by 395 taxa from 74 genera. Thirty seven percent of the taxa are reported for the first time for Bulgaria. Raphid pennate species predominated: 332 species, varieties and forms from 52 genera. The most abundant genera were: Nitzschia – 61 taxa, Navicula – 45 taxa, Gomphonema – 45 taxa. Some rare and new species for Bulgaria (Reimeria uniseriata, Gomphonema lateripunctatum, G. rosenstockianum and G. tergestinum) are presented in LM micrographs. Key words: Bulgaria, diatoms, rivers, taxonomy

Key concepts: Taxon, Navicula, Diatom, Nitzschia, Periphyton, Biology, Ecology, Composition (language)

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