Rotifera diversity of a floodplain lake of the Brahmaputra river basin of lower Assam, Northeast India

This study analyzed diversity and ecology of planktonic Rotifera of Ghorajan beel, a floodplain lake of the Brahmaputrariver basin of lower Assam region of Northeast India. Plankton samples collected (January–December, 2010) fromlittoral (station 1) and semi-limnetic regions (station 2) of this trop...
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Autor*in:	Sharma, B.K. [verfasserIn] Sharma, S. [verfasserIn]

Format:	E-Artikel
Sprache:	Deutsch ; Englisch

Erschienen:	2012

Schlagwörter:	Rotifera abundance Assam diversity indices ecology richness tropical wetland

Übergeordnetes Werk:	In: Opuscula Zoologica Instituti Zoosystematici et Oecologici Universitatis Budapestinensis - Eötvös Loránd University, 2008, 43(2012), 1, Seite 67-77
Übergeordnetes Werk:	volume:43 ; year:2012 ; number:1 ; pages:67-77

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Katalog-ID:	DOAJ07029609X

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allfieldsGer	(DE-627)DOAJ07029609X (DE-599)DOAJc493a26fe04c4ec9ab14ea3ac6a6105a DE-627 ger DE-627 rakwb ger eng QH540-549.5 QL1-991 Sharma, B.K. verfasserin aut Rotifera diversity of a floodplain lake of the Brahmaputra river basin of lower Assam, Northeast India 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study analyzed diversity and ecology of planktonic Rotifera of Ghorajan beel, a floodplain lake of the Brahmaputrariver basin of lower Assam region of Northeast India. Plankton samples collected (January–December, 2010) fromlittoral (station 1) and semi-limnetic regions (station 2) of this tropical wetland revealed a fairly rich rotifer fauna (84 and 80species) with distinct variations (range, average ± SD) in monthly richness (35–55, 46±6 and 24–54, 36±5 species) andcommunity similarities (46.6–80.4 and 37.0–95.9 %) at both sampling stations. The richness followed unclear annual patterns.The rotifers mainly contributed (53.3±5.1 and 55.6± 3.6 %) to zooplankton abundance variations and showed high abundancefrom June through November at both stations. Brachionidae < Lecanidae exhibited high number of individuals; Asplanchnidaeand Flosculariidae were also quantitatively important families; specifically, Asplanchna priodonta, Sinantherina socialis, Brachionusfalcatus and Lecane bulla were important species for their abundance. Single abiotic factors exerted a more limited influence on richness than on abundance. Canonical correspondence analysis (CCA) explained 55.6 % and 59.5 % cumulative variance of the rotifer assemblages along axis 1 and 2, respectively; the CCA indicated the importance of transparency and rainfall at station 1, and of transparency, dissolved oxygen and rainfall at station 2. Consequently, the littoral and semi-limnetic stations are characterized by micro-environmental differences. Rotifera abundance Assam diversity indices ecology richness tropical wetland Ecology Zoology Sharma, S. verfasserin aut In Opuscula Zoologica Instituti Zoosystematici et Oecologici Universitatis Budapestinensis Eötvös Loránd University, 2008 43(2012), 1, Seite 67-77 (DE-627)602540348 (DE-600)2500959-X 20631588 nnns volume:43 year:2012 number:1 pages:67-77 https://doaj.org/article/c493a26fe04c4ec9ab14ea3ac6a6105a kostenfrei http://opuscula.elte.hu/PDF/Tomus43_1/Sharma.pdf kostenfrei https://doaj.org/toc/0237-5419 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 43 2012 1 67-77
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language	German English
source	In Opuscula Zoologica Instituti Zoosystematici et Oecologici Universitatis Budapestinensis 43(2012), 1, Seite 67-77 volume:43 year:2012 number:1 pages:67-77
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callnumber-first	Q - Science
author	Sharma, B.K.
spellingShingle	Sharma, B.K. misc QH540-549.5 misc QL1-991 misc Rotifera abundance misc Assam misc diversity indices misc ecology misc richness misc tropical wetland misc Ecology misc Zoology Rotifera diversity of a floodplain lake of the Brahmaputra river basin of lower Assam, Northeast India
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topic_title	QH540-549.5 QL1-991 Rotifera diversity of a floodplain lake of the Brahmaputra river basin of lower Assam, Northeast India Rotifera abundance Assam diversity indices ecology richness tropical wetland
topic	misc QH540-549.5 misc QL1-991 misc Rotifera abundance misc Assam misc diversity indices misc ecology misc richness misc tropical wetland misc Ecology misc Zoology
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title	Rotifera diversity of a floodplain lake of the Brahmaputra river basin of lower Assam, Northeast India
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title_full	Rotifera diversity of a floodplain lake of the Brahmaputra river basin of lower Assam, Northeast India
author_sort	Sharma, B.K.
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title_sort	rotifera diversity of a floodplain lake of the brahmaputra river basin of lower assam, northeast india
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title_auth	Rotifera diversity of a floodplain lake of the Brahmaputra river basin of lower Assam, Northeast India
abstract	This study analyzed diversity and ecology of planktonic Rotifera of Ghorajan beel, a floodplain lake of the Brahmaputrariver basin of lower Assam region of Northeast India. Plankton samples collected (January–December, 2010) fromlittoral (station 1) and semi-limnetic regions (station 2) of this tropical wetland revealed a fairly rich rotifer fauna (84 and 80species) with distinct variations (range, average ± SD) in monthly richness (35–55, 46±6 and 24–54, 36±5 species) andcommunity similarities (46.6–80.4 and 37.0–95.9 %) at both sampling stations. The richness followed unclear annual patterns.The rotifers mainly contributed (53.3±5.1 and 55.6± 3.6 %) to zooplankton abundance variations and showed high abundancefrom June through November at both stations. Brachionidae < Lecanidae exhibited high number of individuals; Asplanchnidaeand Flosculariidae were also quantitatively important families; specifically, Asplanchna priodonta, Sinantherina socialis, Brachionusfalcatus and Lecane bulla were important species for their abundance. Single abiotic factors exerted a more limited influence on richness than on abundance. Canonical correspondence analysis (CCA) explained 55.6 % and 59.5 % cumulative variance of the rotifer assemblages along axis 1 and 2, respectively; the CCA indicated the importance of transparency and rainfall at station 1, and of transparency, dissolved oxygen and rainfall at station 2. Consequently, the littoral and semi-limnetic stations are characterized by micro-environmental differences.
abstractGer	This study analyzed diversity and ecology of planktonic Rotifera of Ghorajan beel, a floodplain lake of the Brahmaputrariver basin of lower Assam region of Northeast India. Plankton samples collected (January–December, 2010) fromlittoral (station 1) and semi-limnetic regions (station 2) of this tropical wetland revealed a fairly rich rotifer fauna (84 and 80species) with distinct variations (range, average ± SD) in monthly richness (35–55, 46±6 and 24–54, 36±5 species) andcommunity similarities (46.6–80.4 and 37.0–95.9 %) at both sampling stations. The richness followed unclear annual patterns.The rotifers mainly contributed (53.3±5.1 and 55.6± 3.6 %) to zooplankton abundance variations and showed high abundancefrom June through November at both stations. Brachionidae < Lecanidae exhibited high number of individuals; Asplanchnidaeand Flosculariidae were also quantitatively important families; specifically, Asplanchna priodonta, Sinantherina socialis, Brachionusfalcatus and Lecane bulla were important species for their abundance. Single abiotic factors exerted a more limited influence on richness than on abundance. Canonical correspondence analysis (CCA) explained 55.6 % and 59.5 % cumulative variance of the rotifer assemblages along axis 1 and 2, respectively; the CCA indicated the importance of transparency and rainfall at station 1, and of transparency, dissolved oxygen and rainfall at station 2. Consequently, the littoral and semi-limnetic stations are characterized by micro-environmental differences.
abstract_unstemmed	This study analyzed diversity and ecology of planktonic Rotifera of Ghorajan beel, a floodplain lake of the Brahmaputrariver basin of lower Assam region of Northeast India. Plankton samples collected (January–December, 2010) fromlittoral (station 1) and semi-limnetic regions (station 2) of this tropical wetland revealed a fairly rich rotifer fauna (84 and 80species) with distinct variations (range, average ± SD) in monthly richness (35–55, 46±6 and 24–54, 36±5 species) andcommunity similarities (46.6–80.4 and 37.0–95.9 %) at both sampling stations. The richness followed unclear annual patterns.The rotifers mainly contributed (53.3±5.1 and 55.6± 3.6 %) to zooplankton abundance variations and showed high abundancefrom June through November at both stations. Brachionidae < Lecanidae exhibited high number of individuals; Asplanchnidaeand Flosculariidae were also quantitatively important families; specifically, Asplanchna priodonta, Sinantherina socialis, Brachionusfalcatus and Lecane bulla were important species for their abundance. Single abiotic factors exerted a more limited influence on richness than on abundance. Canonical correspondence analysis (CCA) explained 55.6 % and 59.5 % cumulative variance of the rotifer assemblages along axis 1 and 2, respectively; the CCA indicated the importance of transparency and rainfall at station 1, and of transparency, dissolved oxygen and rainfall at station 2. Consequently, the littoral and semi-limnetic stations are characterized by micro-environmental differences.
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title_short	Rotifera diversity of a floodplain lake of the Brahmaputra river basin of lower Assam, Northeast India
url	https://doaj.org/article/c493a26fe04c4ec9ab14ea3ac6a6105a http://opuscula.elte.hu/PDF/Tomus43_1/Sharma.pdf https://doaj.org/toc/0237-5419
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Rotifera diversity of a floodplain lake of the Brahmaputra river basin of lower Assam, Northeast India

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