Quantifying the top-down and bottom-up effects of a non-native grazer in freshwaters

Abstract Quantifying the effects of grazing and nutrient remineralization by grazers on algal biomass and productivity is important to estimate the net effects of grazing species on ecosystem structure and function. These effects may be especially important in ecosystems threatened by the invasion o...
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Autor*in:	Capps, Krista A. [verfasserIn] Ulseth, Amber [verfasserIn] Flecker, Alexander S. [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2014

Schlagwörter:	Consumer-driven nutrient dynamics Grazing Invasive Loricariid Primary producer

Übergeordnetes Werk:	Enthalten in: Biological invasions - Dordrecht [u.a.] : Springer Science + Business Media B.V., 1999, 17(2014), 4 vom: 05. Okt., Seite 1253-1266
Übergeordnetes Werk:	volume:17 ; year:2014 ; number:4 ; day:05 ; month:10 ; pages:1253-1266

Links:	Volltext

DOI / URN:	10.1007/s10530-014-0793-z

Katalog-ID:	SPR010890998

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100	1		\|a Capps, Krista A. \|e verfasserin \|4 aut
245	1	0	\|a Quantifying the top-down and bottom-up effects of a non-native grazer in freshwaters
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520			\|a Abstract Quantifying the effects of grazing and nutrient remineralization by grazers on algal biomass and productivity is important to estimate the net effects of grazing species on ecosystem structure and function. These effects may be especially important in ecosystems threatened by the invasion of non-native grazing species, as grazers can regulate the quantity of algae through both top-down (grazing) and bottom-up (remineralization) processes. In this study, we coupled mesocosm and in situ experimental manipulations to quantify the impacts of a non-native, grazing fish (Loricariidae: Pterygoplichthys) on algal biomass and primary productivity in stream ecosystems. While loricariid grazing depressed algal biomass and rates of primary production in mesocosm and in situ experiments, loricariid-mediated nutrient remineralization enhanced algal biomass and primary production in mesocosms relative to control treatments without loricariids. In sum, even when nutrient limitation was alleviated, intensive grazing by high-densities of loricariids had a negative net-effect on algal biomass and primary productivity. Examined together, our results demonstrate the need to quantify both consumptive and remineralization effects of invasive grazers in order to develop a comprehensive understanding of how non-native organisms influence ecosystem structure and function.
650		4	\|a Consumer-driven nutrient dynamics \|7 (dpeaa)DE-He213
650		4	\|a Grazing \|7 (dpeaa)DE-He213
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650		4	\|a Primary producer \|7 (dpeaa)DE-He213
700	1		\|a Ulseth, Amber \|e verfasserin \|4 aut
700	1		\|a Flecker, Alexander S. \|e verfasserin \|4 aut
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matchkey_str	article:15731464:2014----::uniynteodwadotmpfetoaontv
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allfields	10.1007/s10530-014-0793-z doi (DE-627)SPR010890998 (SPR)s10530-014-0793-z-e DE-627 ger DE-627 rakwb eng 570 ASE 42.00 bkl Capps, Krista A. verfasserin aut Quantifying the top-down and bottom-up effects of a non-native grazer in freshwaters 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Quantifying the effects of grazing and nutrient remineralization by grazers on algal biomass and productivity is important to estimate the net effects of grazing species on ecosystem structure and function. These effects may be especially important in ecosystems threatened by the invasion of non-native grazing species, as grazers can regulate the quantity of algae through both top-down (grazing) and bottom-up (remineralization) processes. In this study, we coupled mesocosm and in situ experimental manipulations to quantify the impacts of a non-native, grazing fish (Loricariidae: Pterygoplichthys) on algal biomass and primary productivity in stream ecosystems. While loricariid grazing depressed algal biomass and rates of primary production in mesocosm and in situ experiments, loricariid-mediated nutrient remineralization enhanced algal biomass and primary production in mesocosms relative to control treatments without loricariids. In sum, even when nutrient limitation was alleviated, intensive grazing by high-densities of loricariids had a negative net-effect on algal biomass and primary productivity. Examined together, our results demonstrate the need to quantify both consumptive and remineralization effects of invasive grazers in order to develop a comprehensive understanding of how non-native organisms influence ecosystem structure and function. Consumer-driven nutrient dynamics (dpeaa)DE-He213 Grazing (dpeaa)DE-He213 Invasive (dpeaa)DE-He213 Loricariid (dpeaa)DE-He213 Primary producer (dpeaa)DE-He213 Ulseth, Amber verfasserin aut Flecker, Alexander S. verfasserin aut Enthalten in Biological invasions Dordrecht [u.a.] : Springer Science + Business Media B.V., 1999 17(2014), 4 vom: 05. Okt., Seite 1253-1266 (DE-627)320524477 (DE-600)2014991-8 1573-1464 nnns volume:17 year:2014 number:4 day:05 month:10 pages:1253-1266 https://dx.doi.org/10.1007/s10530-014-0793-z 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_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_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 42.00 ASE AR 17 2014 4 05 10 1253-1266
spelling	10.1007/s10530-014-0793-z doi (DE-627)SPR010890998 (SPR)s10530-014-0793-z-e DE-627 ger DE-627 rakwb eng 570 ASE 42.00 bkl Capps, Krista A. verfasserin aut Quantifying the top-down and bottom-up effects of a non-native grazer in freshwaters 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Quantifying the effects of grazing and nutrient remineralization by grazers on algal biomass and productivity is important to estimate the net effects of grazing species on ecosystem structure and function. These effects may be especially important in ecosystems threatened by the invasion of non-native grazing species, as grazers can regulate the quantity of algae through both top-down (grazing) and bottom-up (remineralization) processes. In this study, we coupled mesocosm and in situ experimental manipulations to quantify the impacts of a non-native, grazing fish (Loricariidae: Pterygoplichthys) on algal biomass and primary productivity in stream ecosystems. While loricariid grazing depressed algal biomass and rates of primary production in mesocosm and in situ experiments, loricariid-mediated nutrient remineralization enhanced algal biomass and primary production in mesocosms relative to control treatments without loricariids. In sum, even when nutrient limitation was alleviated, intensive grazing by high-densities of loricariids had a negative net-effect on algal biomass and primary productivity. Examined together, our results demonstrate the need to quantify both consumptive and remineralization effects of invasive grazers in order to develop a comprehensive understanding of how non-native organisms influence ecosystem structure and function. Consumer-driven nutrient dynamics (dpeaa)DE-He213 Grazing (dpeaa)DE-He213 Invasive (dpeaa)DE-He213 Loricariid (dpeaa)DE-He213 Primary producer (dpeaa)DE-He213 Ulseth, Amber verfasserin aut Flecker, Alexander S. verfasserin aut Enthalten in Biological invasions Dordrecht [u.a.] : Springer Science + Business Media B.V., 1999 17(2014), 4 vom: 05. Okt., Seite 1253-1266 (DE-627)320524477 (DE-600)2014991-8 1573-1464 nnns volume:17 year:2014 number:4 day:05 month:10 pages:1253-1266 https://dx.doi.org/10.1007/s10530-014-0793-z 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_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_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 42.00 ASE AR 17 2014 4 05 10 1253-1266
allfields_unstemmed	10.1007/s10530-014-0793-z doi (DE-627)SPR010890998 (SPR)s10530-014-0793-z-e DE-627 ger DE-627 rakwb eng 570 ASE 42.00 bkl Capps, Krista A. verfasserin aut Quantifying the top-down and bottom-up effects of a non-native grazer in freshwaters 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Quantifying the effects of grazing and nutrient remineralization by grazers on algal biomass and productivity is important to estimate the net effects of grazing species on ecosystem structure and function. These effects may be especially important in ecosystems threatened by the invasion of non-native grazing species, as grazers can regulate the quantity of algae through both top-down (grazing) and bottom-up (remineralization) processes. In this study, we coupled mesocosm and in situ experimental manipulations to quantify the impacts of a non-native, grazing fish (Loricariidae: Pterygoplichthys) on algal biomass and primary productivity in stream ecosystems. While loricariid grazing depressed algal biomass and rates of primary production in mesocosm and in situ experiments, loricariid-mediated nutrient remineralization enhanced algal biomass and primary production in mesocosms relative to control treatments without loricariids. In sum, even when nutrient limitation was alleviated, intensive grazing by high-densities of loricariids had a negative net-effect on algal biomass and primary productivity. Examined together, our results demonstrate the need to quantify both consumptive and remineralization effects of invasive grazers in order to develop a comprehensive understanding of how non-native organisms influence ecosystem structure and function. Consumer-driven nutrient dynamics (dpeaa)DE-He213 Grazing (dpeaa)DE-He213 Invasive (dpeaa)DE-He213 Loricariid (dpeaa)DE-He213 Primary producer (dpeaa)DE-He213 Ulseth, Amber verfasserin aut Flecker, Alexander S. verfasserin aut Enthalten in Biological invasions Dordrecht [u.a.] : Springer Science + Business Media B.V., 1999 17(2014), 4 vom: 05. Okt., Seite 1253-1266 (DE-627)320524477 (DE-600)2014991-8 1573-1464 nnns volume:17 year:2014 number:4 day:05 month:10 pages:1253-1266 https://dx.doi.org/10.1007/s10530-014-0793-z 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_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_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 42.00 ASE AR 17 2014 4 05 10 1253-1266
allfieldsGer	10.1007/s10530-014-0793-z doi (DE-627)SPR010890998 (SPR)s10530-014-0793-z-e DE-627 ger DE-627 rakwb eng 570 ASE 42.00 bkl Capps, Krista A. verfasserin aut Quantifying the top-down and bottom-up effects of a non-native grazer in freshwaters 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Quantifying the effects of grazing and nutrient remineralization by grazers on algal biomass and productivity is important to estimate the net effects of grazing species on ecosystem structure and function. These effects may be especially important in ecosystems threatened by the invasion of non-native grazing species, as grazers can regulate the quantity of algae through both top-down (grazing) and bottom-up (remineralization) processes. In this study, we coupled mesocosm and in situ experimental manipulations to quantify the impacts of a non-native, grazing fish (Loricariidae: Pterygoplichthys) on algal biomass and primary productivity in stream ecosystems. While loricariid grazing depressed algal biomass and rates of primary production in mesocosm and in situ experiments, loricariid-mediated nutrient remineralization enhanced algal biomass and primary production in mesocosms relative to control treatments without loricariids. In sum, even when nutrient limitation was alleviated, intensive grazing by high-densities of loricariids had a negative net-effect on algal biomass and primary productivity. Examined together, our results demonstrate the need to quantify both consumptive and remineralization effects of invasive grazers in order to develop a comprehensive understanding of how non-native organisms influence ecosystem structure and function. Consumer-driven nutrient dynamics (dpeaa)DE-He213 Grazing (dpeaa)DE-He213 Invasive (dpeaa)DE-He213 Loricariid (dpeaa)DE-He213 Primary producer (dpeaa)DE-He213 Ulseth, Amber verfasserin aut Flecker, Alexander S. verfasserin aut Enthalten in Biological invasions Dordrecht [u.a.] : Springer Science + Business Media B.V., 1999 17(2014), 4 vom: 05. Okt., Seite 1253-1266 (DE-627)320524477 (DE-600)2014991-8 1573-1464 nnns volume:17 year:2014 number:4 day:05 month:10 pages:1253-1266 https://dx.doi.org/10.1007/s10530-014-0793-z 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_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_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 42.00 ASE AR 17 2014 4 05 10 1253-1266
allfieldsSound	10.1007/s10530-014-0793-z doi (DE-627)SPR010890998 (SPR)s10530-014-0793-z-e DE-627 ger DE-627 rakwb eng 570 ASE 42.00 bkl Capps, Krista A. verfasserin aut Quantifying the top-down and bottom-up effects of a non-native grazer in freshwaters 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Quantifying the effects of grazing and nutrient remineralization by grazers on algal biomass and productivity is important to estimate the net effects of grazing species on ecosystem structure and function. These effects may be especially important in ecosystems threatened by the invasion of non-native grazing species, as grazers can regulate the quantity of algae through both top-down (grazing) and bottom-up (remineralization) processes. In this study, we coupled mesocosm and in situ experimental manipulations to quantify the impacts of a non-native, grazing fish (Loricariidae: Pterygoplichthys) on algal biomass and primary productivity in stream ecosystems. While loricariid grazing depressed algal biomass and rates of primary production in mesocosm and in situ experiments, loricariid-mediated nutrient remineralization enhanced algal biomass and primary production in mesocosms relative to control treatments without loricariids. In sum, even when nutrient limitation was alleviated, intensive grazing by high-densities of loricariids had a negative net-effect on algal biomass and primary productivity. Examined together, our results demonstrate the need to quantify both consumptive and remineralization effects of invasive grazers in order to develop a comprehensive understanding of how non-native organisms influence ecosystem structure and function. Consumer-driven nutrient dynamics (dpeaa)DE-He213 Grazing (dpeaa)DE-He213 Invasive (dpeaa)DE-He213 Loricariid (dpeaa)DE-He213 Primary producer (dpeaa)DE-He213 Ulseth, Amber verfasserin aut Flecker, Alexander S. verfasserin aut Enthalten in Biological invasions Dordrecht [u.a.] : Springer Science + Business Media B.V., 1999 17(2014), 4 vom: 05. Okt., Seite 1253-1266 (DE-627)320524477 (DE-600)2014991-8 1573-1464 nnns volume:17 year:2014 number:4 day:05 month:10 pages:1253-1266 https://dx.doi.org/10.1007/s10530-014-0793-z 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_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_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 42.00 ASE AR 17 2014 4 05 10 1253-1266
language	English
source	Enthalten in Biological invasions 17(2014), 4 vom: 05. Okt., Seite 1253-1266 volume:17 year:2014 number:4 day:05 month:10 pages:1253-1266
sourceStr	Enthalten in Biological invasions 17(2014), 4 vom: 05. Okt., Seite 1253-1266 volume:17 year:2014 number:4 day:05 month:10 pages:1253-1266
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Consumer-driven nutrient dynamics Grazing Invasive Loricariid Primary producer
dewey-raw	570
isfreeaccess_bool	false
container_title	Biological invasions
authorswithroles_txt_mv	Capps, Krista A. @@aut@@ Ulseth, Amber @@aut@@ Flecker, Alexander S. @@aut@@
publishDateDaySort_date	2014-10-05T00:00:00Z
hierarchy_top_id	320524477
dewey-sort	3570
id	SPR010890998
language_de	englisch
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author	Capps, Krista A.
spellingShingle	Capps, Krista A. ddc 570 bkl 42.00 misc Consumer-driven nutrient dynamics misc Grazing misc Invasive misc Loricariid misc Primary producer Quantifying the top-down and bottom-up effects of a non-native grazer in freshwaters
authorStr	Capps, Krista A.
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topic_title	570 ASE 42.00 bkl Quantifying the top-down and bottom-up effects of a non-native grazer in freshwaters Consumer-driven nutrient dynamics (dpeaa)DE-He213 Grazing (dpeaa)DE-He213 Invasive (dpeaa)DE-He213 Loricariid (dpeaa)DE-He213 Primary producer (dpeaa)DE-He213
topic	ddc 570 bkl 42.00 misc Consumer-driven nutrient dynamics misc Grazing misc Invasive misc Loricariid misc Primary producer
topic_unstemmed	ddc 570 bkl 42.00 misc Consumer-driven nutrient dynamics misc Grazing misc Invasive misc Loricariid misc Primary producer
topic_browse	ddc 570 bkl 42.00 misc Consumer-driven nutrient dynamics misc Grazing misc Invasive misc Loricariid misc Primary producer
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title	Quantifying the top-down and bottom-up effects of a non-native grazer in freshwaters
ctrlnum	(DE-627)SPR010890998 (SPR)s10530-014-0793-z-e
title_full	Quantifying the top-down and bottom-up effects of a non-native grazer in freshwaters
author_sort	Capps, Krista A.
journal	Biological invasions
journalStr	Biological invasions
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author_browse	Capps, Krista A. Ulseth, Amber Flecker, Alexander S.
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title_sort	quantifying the top-down and bottom-up effects of a non-native grazer in freshwaters
title_auth	Quantifying the top-down and bottom-up effects of a non-native grazer in freshwaters
abstract	Abstract Quantifying the effects of grazing and nutrient remineralization by grazers on algal biomass and productivity is important to estimate the net effects of grazing species on ecosystem structure and function. These effects may be especially important in ecosystems threatened by the invasion of non-native grazing species, as grazers can regulate the quantity of algae through both top-down (grazing) and bottom-up (remineralization) processes. In this study, we coupled mesocosm and in situ experimental manipulations to quantify the impacts of a non-native, grazing fish (Loricariidae: Pterygoplichthys) on algal biomass and primary productivity in stream ecosystems. While loricariid grazing depressed algal biomass and rates of primary production in mesocosm and in situ experiments, loricariid-mediated nutrient remineralization enhanced algal biomass and primary production in mesocosms relative to control treatments without loricariids. In sum, even when nutrient limitation was alleviated, intensive grazing by high-densities of loricariids had a negative net-effect on algal biomass and primary productivity. Examined together, our results demonstrate the need to quantify both consumptive and remineralization effects of invasive grazers in order to develop a comprehensive understanding of how non-native organisms influence ecosystem structure and function.
abstractGer	Abstract Quantifying the effects of grazing and nutrient remineralization by grazers on algal biomass and productivity is important to estimate the net effects of grazing species on ecosystem structure and function. These effects may be especially important in ecosystems threatened by the invasion of non-native grazing species, as grazers can regulate the quantity of algae through both top-down (grazing) and bottom-up (remineralization) processes. In this study, we coupled mesocosm and in situ experimental manipulations to quantify the impacts of a non-native, grazing fish (Loricariidae: Pterygoplichthys) on algal biomass and primary productivity in stream ecosystems. While loricariid grazing depressed algal biomass and rates of primary production in mesocosm and in situ experiments, loricariid-mediated nutrient remineralization enhanced algal biomass and primary production in mesocosms relative to control treatments without loricariids. In sum, even when nutrient limitation was alleviated, intensive grazing by high-densities of loricariids had a negative net-effect on algal biomass and primary productivity. Examined together, our results demonstrate the need to quantify both consumptive and remineralization effects of invasive grazers in order to develop a comprehensive understanding of how non-native organisms influence ecosystem structure and function.
abstract_unstemmed	Abstract Quantifying the effects of grazing and nutrient remineralization by grazers on algal biomass and productivity is important to estimate the net effects of grazing species on ecosystem structure and function. These effects may be especially important in ecosystems threatened by the invasion of non-native grazing species, as grazers can regulate the quantity of algae through both top-down (grazing) and bottom-up (remineralization) processes. In this study, we coupled mesocosm and in situ experimental manipulations to quantify the impacts of a non-native, grazing fish (Loricariidae: Pterygoplichthys) on algal biomass and primary productivity in stream ecosystems. While loricariid grazing depressed algal biomass and rates of primary production in mesocosm and in situ experiments, loricariid-mediated nutrient remineralization enhanced algal biomass and primary production in mesocosms relative to control treatments without loricariids. In sum, even when nutrient limitation was alleviated, intensive grazing by high-densities of loricariids had a negative net-effect on algal biomass and primary productivity. Examined together, our results demonstrate the need to quantify both consumptive and remineralization effects of invasive grazers in order to develop a comprehensive understanding of how non-native organisms influence ecosystem structure and function.
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title_short	Quantifying the top-down and bottom-up effects of a non-native grazer in freshwaters
url	https://dx.doi.org/10.1007/s10530-014-0793-z
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author2	Ulseth, Amber Flecker, Alexander S.
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doi_str	10.1007/s10530-014-0793-z
up_date	2024-07-03T18:59:09.922Z
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Quantifying the top-down and bottom-up effects of a non-native grazer in freshwaters

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