Grazing impact and prey selectivity of picoplanktonic cells by mixotrophic flagellates in oligotrophic lakes

Abstract Mixotrophy by planktonic algae can dominate picoplankton predation in oligotrophic environments. We compared the grazing activity and prey preference of different mixotrophic taxa from natural communities of two oligotrophic shallow lakes (Escondido and Morenito) by performing eight laborat...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Gerea, Marina [verfasserIn] Queimaliños, Claudia [verfasserIn] Unrein, Fernando [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2018

Schlagwörter:	Grazing rate Mixotrophy Bacterivory Herbivory Picocyanobacteria Bacteria

Übergeordnetes Werk:	Enthalten in: Hydrobiologia - Dordrecht [u.a.] : Springer Science + Business Media B.V, 1948, 831(2018), 1 vom: 19. Apr., Seite 5-21
Übergeordnetes Werk:	volume:831 ; year:2018 ; number:1 ; day:19 ; month:04 ; pages:5-21

Links:	Volltext

DOI / URN:	10.1007/s10750-018-3610-3

Katalog-ID:	SPR012981001

Internformat


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245	1	0	\|a Grazing impact and prey selectivity of picoplanktonic cells by mixotrophic flagellates in oligotrophic lakes
264		1	\|c 2018
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520			\|a Abstract Mixotrophy by planktonic algae can dominate picoplankton predation in oligotrophic environments. We compared the grazing activity and prey preference of different mixotrophic taxa from natural communities of two oligotrophic shallow lakes (Escondido and Morenito) by performing eight laboratory grazing experiments using three different fluorescent prey (bacteria, picocyanobacteria, and picoeukaryotic algae). Eight taxa of mixotrophic flagellates (MF) corresponding to five different Classes, and two size categories of heterotrophic flagellates were distinguished. Chesson index showed that the ten identified protists preferred picocyanobacteria than bacteria, while picoeukaryotic algae were not ingested by any flagellate. In both lakes, MFs were responsible for ca. 80% of the picoplankton ingestion due to flagellates, and more than 50% of the total grazing impact when considering all flagellates, ciliates, and rotifers. Pseudopedinella spp. (Dictyochophyceae), Chrysochromulina parva (Haptophyceae), and Dinobryon divergens (Chrysophyceae) were the most important predators, while Plagioselmis lacustris (Cryptophyceae) and Chrysophyceae > 5 µm showed the lowest grazing rates. Overall, our findings support the idea of MF being the main picoplankton predators in oligotrophic systems. Besides, we also conclude that herbivory represents a key process in the mixotrophic carbon cycling in oligotrophic environments.
650		4	\|a Grazing rate \|7 (dpeaa)DE-He213
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650		4	\|a Picocyanobacteria \|7 (dpeaa)DE-He213
650		4	\|a Bacteria \|7 (dpeaa)DE-He213
700	1		\|a Queimaliños, Claudia \|e verfasserin \|4 aut
700	1		\|a Unrein, Fernando \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Hydrobiologia \|d Dordrecht [u.a.] : Springer Science + Business Media B.V, 1948 \|g 831(2018), 1 vom: 19. Apr., Seite 5-21 \|w (DE-627)270929975 \|w (DE-600)1478162-1 \|x 1573-5117 \|7 nnns
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912			\|a GBV_ILN_110
912			\|a GBV_ILN_120
912			\|a GBV_ILN_138
912			\|a GBV_ILN_150
912			\|a GBV_ILN_151
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912			\|a GBV_ILN_161
912			\|a GBV_ILN_170
912			\|a GBV_ILN_171
912			\|a GBV_ILN_187
912			\|a GBV_ILN_206
912			\|a GBV_ILN_213
912			\|a GBV_ILN_224
912			\|a GBV_ILN_230
912			\|a GBV_ILN_250
912			\|a GBV_ILN_281
912			\|a GBV_ILN_285
912			\|a GBV_ILN_293
912			\|a GBV_ILN_370
912			\|a GBV_ILN_381
912			\|a GBV_ILN_602
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912			\|a GBV_ILN_2001
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912			\|a GBV_ILN_2004
912			\|a GBV_ILN_2005
912			\|a GBV_ILN_2006
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912			\|a GBV_ILN_2008
912			\|a GBV_ILN_2009
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912			\|a GBV_ILN_2011
912			\|a GBV_ILN_2014
912			\|a GBV_ILN_2015
912			\|a GBV_ILN_2020
912			\|a GBV_ILN_2021
912			\|a GBV_ILN_2025
912			\|a GBV_ILN_2026
912			\|a GBV_ILN_2027
912			\|a GBV_ILN_2031
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912			\|a GBV_ILN_2037
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912			\|a GBV_ILN_2039
912			\|a GBV_ILN_2044
912			\|a GBV_ILN_2048
912			\|a GBV_ILN_2049
912			\|a GBV_ILN_2050
912			\|a GBV_ILN_2055
912			\|a GBV_ILN_2056
912			\|a GBV_ILN_2057
912			\|a GBV_ILN_2059
912			\|a GBV_ILN_2061
912			\|a GBV_ILN_2064
912			\|a GBV_ILN_2065
912			\|a GBV_ILN_2068
912			\|a GBV_ILN_2070
912			\|a GBV_ILN_2086
912			\|a GBV_ILN_2088
912			\|a GBV_ILN_2093
912			\|a GBV_ILN_2106
912			\|a GBV_ILN_2107
912			\|a GBV_ILN_2108
912			\|a GBV_ILN_2110
912			\|a GBV_ILN_2111
912			\|a GBV_ILN_2112
912			\|a GBV_ILN_2113
912			\|a GBV_ILN_2116
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912			\|a GBV_ILN_2548
912			\|a GBV_ILN_4012
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936	b	k	\|a 42.92 \|q ASE
951			\|a AR
952			\|d 831 \|j 2018 \|e 1 \|b 19 \|c 04 \|h 5-21

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author_variant	m g mg c q cq f u fu
matchkey_str	article:15735117:2018----::rznipcadryeetvtopcpakoiclsyiorpifa
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bklnumber	42.92
publishDate	2018
allfields	10.1007/s10750-018-3610-3 doi (DE-627)SPR012981001 (SPR)s10750-018-3610-3-e DE-627 ger DE-627 rakwb eng 570 ASE 42.92 bkl Gerea, Marina verfasserin aut Grazing impact and prey selectivity of picoplanktonic cells by mixotrophic flagellates in oligotrophic lakes 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Mixotrophy by planktonic algae can dominate picoplankton predation in oligotrophic environments. We compared the grazing activity and prey preference of different mixotrophic taxa from natural communities of two oligotrophic shallow lakes (Escondido and Morenito) by performing eight laboratory grazing experiments using three different fluorescent prey (bacteria, picocyanobacteria, and picoeukaryotic algae). Eight taxa of mixotrophic flagellates (MF) corresponding to five different Classes, and two size categories of heterotrophic flagellates were distinguished. Chesson index showed that the ten identified protists preferred picocyanobacteria than bacteria, while picoeukaryotic algae were not ingested by any flagellate. In both lakes, MFs were responsible for ca. 80% of the picoplankton ingestion due to flagellates, and more than 50% of the total grazing impact when considering all flagellates, ciliates, and rotifers. Pseudopedinella spp. (Dictyochophyceae), Chrysochromulina parva (Haptophyceae), and Dinobryon divergens (Chrysophyceae) were the most important predators, while Plagioselmis lacustris (Cryptophyceae) and Chrysophyceae > 5 µm showed the lowest grazing rates. Overall, our findings support the idea of MF being the main picoplankton predators in oligotrophic systems. Besides, we also conclude that herbivory represents a key process in the mixotrophic carbon cycling in oligotrophic environments. Grazing rate (dpeaa)DE-He213 Mixotrophy (dpeaa)DE-He213 Bacterivory (dpeaa)DE-He213 Herbivory (dpeaa)DE-He213 Picocyanobacteria (dpeaa)DE-He213 Bacteria (dpeaa)DE-He213 Queimaliños, Claudia verfasserin aut Unrein, Fernando verfasserin aut Enthalten in Hydrobiologia Dordrecht [u.a.] : Springer Science + Business Media B.V, 1948 831(2018), 1 vom: 19. Apr., Seite 5-21 (DE-627)270929975 (DE-600)1478162-1 1573-5117 nnns volume:831 year:2018 number:1 day:19 month:04 pages:5-21 https://dx.doi.org/10.1007/s10750-018-3610-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 42.92 ASE AR 831 2018 1 19 04 5-21
spelling	10.1007/s10750-018-3610-3 doi (DE-627)SPR012981001 (SPR)s10750-018-3610-3-e DE-627 ger DE-627 rakwb eng 570 ASE 42.92 bkl Gerea, Marina verfasserin aut Grazing impact and prey selectivity of picoplanktonic cells by mixotrophic flagellates in oligotrophic lakes 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Mixotrophy by planktonic algae can dominate picoplankton predation in oligotrophic environments. We compared the grazing activity and prey preference of different mixotrophic taxa from natural communities of two oligotrophic shallow lakes (Escondido and Morenito) by performing eight laboratory grazing experiments using three different fluorescent prey (bacteria, picocyanobacteria, and picoeukaryotic algae). Eight taxa of mixotrophic flagellates (MF) corresponding to five different Classes, and two size categories of heterotrophic flagellates were distinguished. Chesson index showed that the ten identified protists preferred picocyanobacteria than bacteria, while picoeukaryotic algae were not ingested by any flagellate. In both lakes, MFs were responsible for ca. 80% of the picoplankton ingestion due to flagellates, and more than 50% of the total grazing impact when considering all flagellates, ciliates, and rotifers. Pseudopedinella spp. (Dictyochophyceae), Chrysochromulina parva (Haptophyceae), and Dinobryon divergens (Chrysophyceae) were the most important predators, while Plagioselmis lacustris (Cryptophyceae) and Chrysophyceae > 5 µm showed the lowest grazing rates. Overall, our findings support the idea of MF being the main picoplankton predators in oligotrophic systems. Besides, we also conclude that herbivory represents a key process in the mixotrophic carbon cycling in oligotrophic environments. Grazing rate (dpeaa)DE-He213 Mixotrophy (dpeaa)DE-He213 Bacterivory (dpeaa)DE-He213 Herbivory (dpeaa)DE-He213 Picocyanobacteria (dpeaa)DE-He213 Bacteria (dpeaa)DE-He213 Queimaliños, Claudia verfasserin aut Unrein, Fernando verfasserin aut Enthalten in Hydrobiologia Dordrecht [u.a.] : Springer Science + Business Media B.V, 1948 831(2018), 1 vom: 19. Apr., Seite 5-21 (DE-627)270929975 (DE-600)1478162-1 1573-5117 nnns volume:831 year:2018 number:1 day:19 month:04 pages:5-21 https://dx.doi.org/10.1007/s10750-018-3610-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 42.92 ASE AR 831 2018 1 19 04 5-21
allfields_unstemmed	10.1007/s10750-018-3610-3 doi (DE-627)SPR012981001 (SPR)s10750-018-3610-3-e DE-627 ger DE-627 rakwb eng 570 ASE 42.92 bkl Gerea, Marina verfasserin aut Grazing impact and prey selectivity of picoplanktonic cells by mixotrophic flagellates in oligotrophic lakes 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Mixotrophy by planktonic algae can dominate picoplankton predation in oligotrophic environments. We compared the grazing activity and prey preference of different mixotrophic taxa from natural communities of two oligotrophic shallow lakes (Escondido and Morenito) by performing eight laboratory grazing experiments using three different fluorescent prey (bacteria, picocyanobacteria, and picoeukaryotic algae). Eight taxa of mixotrophic flagellates (MF) corresponding to five different Classes, and two size categories of heterotrophic flagellates were distinguished. Chesson index showed that the ten identified protists preferred picocyanobacteria than bacteria, while picoeukaryotic algae were not ingested by any flagellate. In both lakes, MFs were responsible for ca. 80% of the picoplankton ingestion due to flagellates, and more than 50% of the total grazing impact when considering all flagellates, ciliates, and rotifers. Pseudopedinella spp. (Dictyochophyceae), Chrysochromulina parva (Haptophyceae), and Dinobryon divergens (Chrysophyceae) were the most important predators, while Plagioselmis lacustris (Cryptophyceae) and Chrysophyceae > 5 µm showed the lowest grazing rates. Overall, our findings support the idea of MF being the main picoplankton predators in oligotrophic systems. Besides, we also conclude that herbivory represents a key process in the mixotrophic carbon cycling in oligotrophic environments. Grazing rate (dpeaa)DE-He213 Mixotrophy (dpeaa)DE-He213 Bacterivory (dpeaa)DE-He213 Herbivory (dpeaa)DE-He213 Picocyanobacteria (dpeaa)DE-He213 Bacteria (dpeaa)DE-He213 Queimaliños, Claudia verfasserin aut Unrein, Fernando verfasserin aut Enthalten in Hydrobiologia Dordrecht [u.a.] : Springer Science + Business Media B.V, 1948 831(2018), 1 vom: 19. Apr., Seite 5-21 (DE-627)270929975 (DE-600)1478162-1 1573-5117 nnns volume:831 year:2018 number:1 day:19 month:04 pages:5-21 https://dx.doi.org/10.1007/s10750-018-3610-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 42.92 ASE AR 831 2018 1 19 04 5-21
allfieldsGer	10.1007/s10750-018-3610-3 doi (DE-627)SPR012981001 (SPR)s10750-018-3610-3-e DE-627 ger DE-627 rakwb eng 570 ASE 42.92 bkl Gerea, Marina verfasserin aut Grazing impact and prey selectivity of picoplanktonic cells by mixotrophic flagellates in oligotrophic lakes 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Mixotrophy by planktonic algae can dominate picoplankton predation in oligotrophic environments. We compared the grazing activity and prey preference of different mixotrophic taxa from natural communities of two oligotrophic shallow lakes (Escondido and Morenito) by performing eight laboratory grazing experiments using three different fluorescent prey (bacteria, picocyanobacteria, and picoeukaryotic algae). Eight taxa of mixotrophic flagellates (MF) corresponding to five different Classes, and two size categories of heterotrophic flagellates were distinguished. Chesson index showed that the ten identified protists preferred picocyanobacteria than bacteria, while picoeukaryotic algae were not ingested by any flagellate. In both lakes, MFs were responsible for ca. 80% of the picoplankton ingestion due to flagellates, and more than 50% of the total grazing impact when considering all flagellates, ciliates, and rotifers. Pseudopedinella spp. (Dictyochophyceae), Chrysochromulina parva (Haptophyceae), and Dinobryon divergens (Chrysophyceae) were the most important predators, while Plagioselmis lacustris (Cryptophyceae) and Chrysophyceae > 5 µm showed the lowest grazing rates. Overall, our findings support the idea of MF being the main picoplankton predators in oligotrophic systems. Besides, we also conclude that herbivory represents a key process in the mixotrophic carbon cycling in oligotrophic environments. Grazing rate (dpeaa)DE-He213 Mixotrophy (dpeaa)DE-He213 Bacterivory (dpeaa)DE-He213 Herbivory (dpeaa)DE-He213 Picocyanobacteria (dpeaa)DE-He213 Bacteria (dpeaa)DE-He213 Queimaliños, Claudia verfasserin aut Unrein, Fernando verfasserin aut Enthalten in Hydrobiologia Dordrecht [u.a.] : Springer Science + Business Media B.V, 1948 831(2018), 1 vom: 19. Apr., Seite 5-21 (DE-627)270929975 (DE-600)1478162-1 1573-5117 nnns volume:831 year:2018 number:1 day:19 month:04 pages:5-21 https://dx.doi.org/10.1007/s10750-018-3610-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 42.92 ASE AR 831 2018 1 19 04 5-21
allfieldsSound	10.1007/s10750-018-3610-3 doi (DE-627)SPR012981001 (SPR)s10750-018-3610-3-e DE-627 ger DE-627 rakwb eng 570 ASE 42.92 bkl Gerea, Marina verfasserin aut Grazing impact and prey selectivity of picoplanktonic cells by mixotrophic flagellates in oligotrophic lakes 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Mixotrophy by planktonic algae can dominate picoplankton predation in oligotrophic environments. We compared the grazing activity and prey preference of different mixotrophic taxa from natural communities of two oligotrophic shallow lakes (Escondido and Morenito) by performing eight laboratory grazing experiments using three different fluorescent prey (bacteria, picocyanobacteria, and picoeukaryotic algae). Eight taxa of mixotrophic flagellates (MF) corresponding to five different Classes, and two size categories of heterotrophic flagellates were distinguished. Chesson index showed that the ten identified protists preferred picocyanobacteria than bacteria, while picoeukaryotic algae were not ingested by any flagellate. In both lakes, MFs were responsible for ca. 80% of the picoplankton ingestion due to flagellates, and more than 50% of the total grazing impact when considering all flagellates, ciliates, and rotifers. Pseudopedinella spp. (Dictyochophyceae), Chrysochromulina parva (Haptophyceae), and Dinobryon divergens (Chrysophyceae) were the most important predators, while Plagioselmis lacustris (Cryptophyceae) and Chrysophyceae > 5 µm showed the lowest grazing rates. Overall, our findings support the idea of MF being the main picoplankton predators in oligotrophic systems. Besides, we also conclude that herbivory represents a key process in the mixotrophic carbon cycling in oligotrophic environments. Grazing rate (dpeaa)DE-He213 Mixotrophy (dpeaa)DE-He213 Bacterivory (dpeaa)DE-He213 Herbivory (dpeaa)DE-He213 Picocyanobacteria (dpeaa)DE-He213 Bacteria (dpeaa)DE-He213 Queimaliños, Claudia verfasserin aut Unrein, Fernando verfasserin aut Enthalten in Hydrobiologia Dordrecht [u.a.] : Springer Science + Business Media B.V, 1948 831(2018), 1 vom: 19. Apr., Seite 5-21 (DE-627)270929975 (DE-600)1478162-1 1573-5117 nnns volume:831 year:2018 number:1 day:19 month:04 pages:5-21 https://dx.doi.org/10.1007/s10750-018-3610-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 42.92 ASE AR 831 2018 1 19 04 5-21
language	English
source	Enthalten in Hydrobiologia 831(2018), 1 vom: 19. Apr., Seite 5-21 volume:831 year:2018 number:1 day:19 month:04 pages:5-21
sourceStr	Enthalten in Hydrobiologia 831(2018), 1 vom: 19. Apr., Seite 5-21 volume:831 year:2018 number:1 day:19 month:04 pages:5-21
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Grazing rate Mixotrophy Bacterivory Herbivory Picocyanobacteria Bacteria
dewey-raw	570
isfreeaccess_bool	false
container_title	Hydrobiologia
authorswithroles_txt_mv	Gerea, Marina @@aut@@ Queimaliños, Claudia @@aut@@ Unrein, Fernando @@aut@@
publishDateDaySort_date	2018-04-19T00:00:00Z
hierarchy_top_id	270929975
dewey-sort	3570
id	SPR012981001
language_de	englisch
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author	Gerea, Marina
spellingShingle	Gerea, Marina ddc 570 bkl 42.92 misc Grazing rate misc Mixotrophy misc Bacterivory misc Herbivory misc Picocyanobacteria misc Bacteria Grazing impact and prey selectivity of picoplanktonic cells by mixotrophic flagellates in oligotrophic lakes
authorStr	Gerea, Marina
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topic_title	570 ASE 42.92 bkl Grazing impact and prey selectivity of picoplanktonic cells by mixotrophic flagellates in oligotrophic lakes Grazing rate (dpeaa)DE-He213 Mixotrophy (dpeaa)DE-He213 Bacterivory (dpeaa)DE-He213 Herbivory (dpeaa)DE-He213 Picocyanobacteria (dpeaa)DE-He213 Bacteria (dpeaa)DE-He213
topic	ddc 570 bkl 42.92 misc Grazing rate misc Mixotrophy misc Bacterivory misc Herbivory misc Picocyanobacteria misc Bacteria
topic_unstemmed	ddc 570 bkl 42.92 misc Grazing rate misc Mixotrophy misc Bacterivory misc Herbivory misc Picocyanobacteria misc Bacteria
topic_browse	ddc 570 bkl 42.92 misc Grazing rate misc Mixotrophy misc Bacterivory misc Herbivory misc Picocyanobacteria misc Bacteria
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title	Grazing impact and prey selectivity of picoplanktonic cells by mixotrophic flagellates in oligotrophic lakes
ctrlnum	(DE-627)SPR012981001 (SPR)s10750-018-3610-3-e
title_full	Grazing impact and prey selectivity of picoplanktonic cells by mixotrophic flagellates in oligotrophic lakes
author_sort	Gerea, Marina
journal	Hydrobiologia
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author_browse	Gerea, Marina Queimaliños, Claudia Unrein, Fernando
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title_sort	grazing impact and prey selectivity of picoplanktonic cells by mixotrophic flagellates in oligotrophic lakes
title_auth	Grazing impact and prey selectivity of picoplanktonic cells by mixotrophic flagellates in oligotrophic lakes
abstract	Abstract Mixotrophy by planktonic algae can dominate picoplankton predation in oligotrophic environments. We compared the grazing activity and prey preference of different mixotrophic taxa from natural communities of two oligotrophic shallow lakes (Escondido and Morenito) by performing eight laboratory grazing experiments using three different fluorescent prey (bacteria, picocyanobacteria, and picoeukaryotic algae). Eight taxa of mixotrophic flagellates (MF) corresponding to five different Classes, and two size categories of heterotrophic flagellates were distinguished. Chesson index showed that the ten identified protists preferred picocyanobacteria than bacteria, while picoeukaryotic algae were not ingested by any flagellate. In both lakes, MFs were responsible for ca. 80% of the picoplankton ingestion due to flagellates, and more than 50% of the total grazing impact when considering all flagellates, ciliates, and rotifers. Pseudopedinella spp. (Dictyochophyceae), Chrysochromulina parva (Haptophyceae), and Dinobryon divergens (Chrysophyceae) were the most important predators, while Plagioselmis lacustris (Cryptophyceae) and Chrysophyceae > 5 µm showed the lowest grazing rates. Overall, our findings support the idea of MF being the main picoplankton predators in oligotrophic systems. Besides, we also conclude that herbivory represents a key process in the mixotrophic carbon cycling in oligotrophic environments.
abstractGer	Abstract Mixotrophy by planktonic algae can dominate picoplankton predation in oligotrophic environments. We compared the grazing activity and prey preference of different mixotrophic taxa from natural communities of two oligotrophic shallow lakes (Escondido and Morenito) by performing eight laboratory grazing experiments using three different fluorescent prey (bacteria, picocyanobacteria, and picoeukaryotic algae). Eight taxa of mixotrophic flagellates (MF) corresponding to five different Classes, and two size categories of heterotrophic flagellates were distinguished. Chesson index showed that the ten identified protists preferred picocyanobacteria than bacteria, while picoeukaryotic algae were not ingested by any flagellate. In both lakes, MFs were responsible for ca. 80% of the picoplankton ingestion due to flagellates, and more than 50% of the total grazing impact when considering all flagellates, ciliates, and rotifers. Pseudopedinella spp. (Dictyochophyceae), Chrysochromulina parva (Haptophyceae), and Dinobryon divergens (Chrysophyceae) were the most important predators, while Plagioselmis lacustris (Cryptophyceae) and Chrysophyceae > 5 µm showed the lowest grazing rates. Overall, our findings support the idea of MF being the main picoplankton predators in oligotrophic systems. Besides, we also conclude that herbivory represents a key process in the mixotrophic carbon cycling in oligotrophic environments.
abstract_unstemmed	Abstract Mixotrophy by planktonic algae can dominate picoplankton predation in oligotrophic environments. We compared the grazing activity and prey preference of different mixotrophic taxa from natural communities of two oligotrophic shallow lakes (Escondido and Morenito) by performing eight laboratory grazing experiments using three different fluorescent prey (bacteria, picocyanobacteria, and picoeukaryotic algae). Eight taxa of mixotrophic flagellates (MF) corresponding to five different Classes, and two size categories of heterotrophic flagellates were distinguished. Chesson index showed that the ten identified protists preferred picocyanobacteria than bacteria, while picoeukaryotic algae were not ingested by any flagellate. In both lakes, MFs were responsible for ca. 80% of the picoplankton ingestion due to flagellates, and more than 50% of the total grazing impact when considering all flagellates, ciliates, and rotifers. Pseudopedinella spp. (Dictyochophyceae), Chrysochromulina parva (Haptophyceae), and Dinobryon divergens (Chrysophyceae) were the most important predators, while Plagioselmis lacustris (Cryptophyceae) and Chrysophyceae > 5 µm showed the lowest grazing rates. Overall, our findings support the idea of MF being the main picoplankton predators in oligotrophic systems. Besides, we also conclude that herbivory represents a key process in the mixotrophic carbon cycling in oligotrophic environments.
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container_issue	1
title_short	Grazing impact and prey selectivity of picoplanktonic cells by mixotrophic flagellates in oligotrophic lakes
url	https://dx.doi.org/10.1007/s10750-018-3610-3
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author2	Queimaliños, Claudia Unrein, Fernando
author2Str	Queimaliños, Claudia Unrein, Fernando
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doi_str	10.1007/s10750-018-3610-3
up_date	2024-07-03T16:38:41.258Z
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Grazing impact and prey selectivity of picoplanktonic cells by mixotrophic flagellates in oligotrophic lakes

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