Why are there so many kinds of planktonic consumers? The answer lies in the allometric diet breadth
Abstract In an attempt to explain ‘Why are there so many kinds of animals?’ G.E. Hutchinson highlighted the food web context to suggest that diversity of primary producers should allow consumer richness to be maintained as a result of their adaptive foraging. Co-existence of consumers is then made p...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Rojo, Carmen [verfasserIn] Salazar, Guillem [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2010 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Hydrobiologia - Dordrecht [u.a.] : Springer Science + Business Media B.V, 1948, 653(2010), 1 vom: 30. Juni, Seite 91-102 |
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| Übergeordnetes Werk: |
volume:653 ; year:2010 ; number:1 ; day:30 ; month:06 ; pages:91-102 |
| Links: |
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| DOI / URN: |
10.1007/s10750-010-0346-0 |
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| Katalog-ID: |
SPR012942766 |
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| 520 | |a Abstract In an attempt to explain ‘Why are there so many kinds of animals?’ G.E. Hutchinson highlighted the food web context to suggest that diversity of primary producers should allow consumer richness to be maintained as a result of their adaptive foraging. Co-existence of consumers is then made possible when species differ in body size and thus only a minor diet overlap occurs. All these ideas are still major topics in ecological research and some have been re-examined in order to provide mechanistic explanations of species richness versus connectance relationships in food web structure. The effect of body size as a determinant of diet, jointly with the assumption that individuals are adapted to switch their diet in order to maximise energy gain, have been combined in recent years to develop the Allometric Diet Breadth Model (ADBM). This model, successful for plankton communities, enables us to determine the specific resource–consumer links and then evaluate the diet breadth and test whether the diet overlaps. Here, we apply the ADBM to infer the feeding linkages within a freshwater planktonic community of a Spanish oligo-mesotrophic lake and three spatial partitions of it. ADBM treats phytoplankton species and bacteria as resources and each consumer species (ciliates, rotifers and crustaceans) as both consumers and resources. We applied ADBM to water-column integrated- and single-layered plankton communities to test the importance of the diet on structuring the plankton. If a given pair of species that co-occur in the whole vertical community overlap their diet more than when they occur in the three layers separately, this means that they will never co-exist and are hence overdispersed (segregated). Not all species pairs that have a weak diet overlap when belonging to the whole water-column community co-exist in water-layered communities. Hence, the richer, whole water-column community would then have lower diet overlap than spatially segregated communities. Therefore, the hypothesis of diet breadth of Hutchinson (The American Naturalist 93: 145–159, 1959) explains community structure throughout the water column, and its deviations may be forced abiotically. | ||
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10.1007/s10750-010-0346-0 doi (DE-627)SPR012942766 (SPR)s10750-010-0346-0-e DE-627 ger DE-627 rakwb eng 570 ASE 42.92 bkl Rojo, Carmen verfasserin aut Why are there so many kinds of planktonic consumers? The answer lies in the allometric diet breadth 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract In an attempt to explain ‘Why are there so many kinds of animals?’ G.E. Hutchinson highlighted the food web context to suggest that diversity of primary producers should allow consumer richness to be maintained as a result of their adaptive foraging. Co-existence of consumers is then made possible when species differ in body size and thus only a minor diet overlap occurs. All these ideas are still major topics in ecological research and some have been re-examined in order to provide mechanistic explanations of species richness versus connectance relationships in food web structure. The effect of body size as a determinant of diet, jointly with the assumption that individuals are adapted to switch their diet in order to maximise energy gain, have been combined in recent years to develop the Allometric Diet Breadth Model (ADBM). This model, successful for plankton communities, enables us to determine the specific resource–consumer links and then evaluate the diet breadth and test whether the diet overlaps. Here, we apply the ADBM to infer the feeding linkages within a freshwater planktonic community of a Spanish oligo-mesotrophic lake and three spatial partitions of it. ADBM treats phytoplankton species and bacteria as resources and each consumer species (ciliates, rotifers and crustaceans) as both consumers and resources. We applied ADBM to water-column integrated- and single-layered plankton communities to test the importance of the diet on structuring the plankton. If a given pair of species that co-occur in the whole vertical community overlap their diet more than when they occur in the three layers separately, this means that they will never co-exist and are hence overdispersed (segregated). Not all species pairs that have a weak diet overlap when belonging to the whole water-column community co-exist in water-layered communities. Hence, the richer, whole water-column community would then have lower diet overlap than spatially segregated communities. Therefore, the hypothesis of diet breadth of Hutchinson (The American Naturalist 93: 145–159, 1959) explains community structure throughout the water column, and its deviations may be forced abiotically. Food web (dpeaa)DE-He213 ADBM (dpeaa)DE-He213 Diet overlap (dpeaa)DE-He213 Plankton (dpeaa)DE-He213 Co-ocurrence (dpeaa)DE-He213 Body size (dpeaa)DE-He213 Oligotrophic lake (dpeaa)DE-He213 Ruidera Natural Park (dpeaa)DE-He213 Salazar, Guillem verfasserin aut Enthalten in Hydrobiologia Dordrecht [u.a.] : Springer Science + Business Media B.V, 1948 653(2010), 1 vom: 30. Juni, Seite 91-102 (DE-627)270929975 (DE-600)1478162-1 1573-5117 nnns volume:653 year:2010 number:1 day:30 month:06 pages:91-102 https://dx.doi.org/10.1007/s10750-010-0346-0 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 653 2010 1 30 06 91-102 |
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10.1007/s10750-010-0346-0 doi (DE-627)SPR012942766 (SPR)s10750-010-0346-0-e DE-627 ger DE-627 rakwb eng 570 ASE 42.92 bkl Rojo, Carmen verfasserin aut Why are there so many kinds of planktonic consumers? The answer lies in the allometric diet breadth 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract In an attempt to explain ‘Why are there so many kinds of animals?’ G.E. Hutchinson highlighted the food web context to suggest that diversity of primary producers should allow consumer richness to be maintained as a result of their adaptive foraging. Co-existence of consumers is then made possible when species differ in body size and thus only a minor diet overlap occurs. All these ideas are still major topics in ecological research and some have been re-examined in order to provide mechanistic explanations of species richness versus connectance relationships in food web structure. The effect of body size as a determinant of diet, jointly with the assumption that individuals are adapted to switch their diet in order to maximise energy gain, have been combined in recent years to develop the Allometric Diet Breadth Model (ADBM). This model, successful for plankton communities, enables us to determine the specific resource–consumer links and then evaluate the diet breadth and test whether the diet overlaps. Here, we apply the ADBM to infer the feeding linkages within a freshwater planktonic community of a Spanish oligo-mesotrophic lake and three spatial partitions of it. ADBM treats phytoplankton species and bacteria as resources and each consumer species (ciliates, rotifers and crustaceans) as both consumers and resources. We applied ADBM to water-column integrated- and single-layered plankton communities to test the importance of the diet on structuring the plankton. If a given pair of species that co-occur in the whole vertical community overlap their diet more than when they occur in the three layers separately, this means that they will never co-exist and are hence overdispersed (segregated). Not all species pairs that have a weak diet overlap when belonging to the whole water-column community co-exist in water-layered communities. Hence, the richer, whole water-column community would then have lower diet overlap than spatially segregated communities. Therefore, the hypothesis of diet breadth of Hutchinson (The American Naturalist 93: 145–159, 1959) explains community structure throughout the water column, and its deviations may be forced abiotically. Food web (dpeaa)DE-He213 ADBM (dpeaa)DE-He213 Diet overlap (dpeaa)DE-He213 Plankton (dpeaa)DE-He213 Co-ocurrence (dpeaa)DE-He213 Body size (dpeaa)DE-He213 Oligotrophic lake (dpeaa)DE-He213 Ruidera Natural Park (dpeaa)DE-He213 Salazar, Guillem verfasserin aut Enthalten in Hydrobiologia Dordrecht [u.a.] : Springer Science + Business Media B.V, 1948 653(2010), 1 vom: 30. Juni, Seite 91-102 (DE-627)270929975 (DE-600)1478162-1 1573-5117 nnns volume:653 year:2010 number:1 day:30 month:06 pages:91-102 https://dx.doi.org/10.1007/s10750-010-0346-0 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 653 2010 1 30 06 91-102 |
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10.1007/s10750-010-0346-0 doi (DE-627)SPR012942766 (SPR)s10750-010-0346-0-e DE-627 ger DE-627 rakwb eng 570 ASE 42.92 bkl Rojo, Carmen verfasserin aut Why are there so many kinds of planktonic consumers? The answer lies in the allometric diet breadth 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract In an attempt to explain ‘Why are there so many kinds of animals?’ G.E. Hutchinson highlighted the food web context to suggest that diversity of primary producers should allow consumer richness to be maintained as a result of their adaptive foraging. Co-existence of consumers is then made possible when species differ in body size and thus only a minor diet overlap occurs. All these ideas are still major topics in ecological research and some have been re-examined in order to provide mechanistic explanations of species richness versus connectance relationships in food web structure. The effect of body size as a determinant of diet, jointly with the assumption that individuals are adapted to switch their diet in order to maximise energy gain, have been combined in recent years to develop the Allometric Diet Breadth Model (ADBM). This model, successful for plankton communities, enables us to determine the specific resource–consumer links and then evaluate the diet breadth and test whether the diet overlaps. Here, we apply the ADBM to infer the feeding linkages within a freshwater planktonic community of a Spanish oligo-mesotrophic lake and three spatial partitions of it. ADBM treats phytoplankton species and bacteria as resources and each consumer species (ciliates, rotifers and crustaceans) as both consumers and resources. We applied ADBM to water-column integrated- and single-layered plankton communities to test the importance of the diet on structuring the plankton. If a given pair of species that co-occur in the whole vertical community overlap their diet more than when they occur in the three layers separately, this means that they will never co-exist and are hence overdispersed (segregated). Not all species pairs that have a weak diet overlap when belonging to the whole water-column community co-exist in water-layered communities. Hence, the richer, whole water-column community would then have lower diet overlap than spatially segregated communities. Therefore, the hypothesis of diet breadth of Hutchinson (The American Naturalist 93: 145–159, 1959) explains community structure throughout the water column, and its deviations may be forced abiotically. Food web (dpeaa)DE-He213 ADBM (dpeaa)DE-He213 Diet overlap (dpeaa)DE-He213 Plankton (dpeaa)DE-He213 Co-ocurrence (dpeaa)DE-He213 Body size (dpeaa)DE-He213 Oligotrophic lake (dpeaa)DE-He213 Ruidera Natural Park (dpeaa)DE-He213 Salazar, Guillem verfasserin aut Enthalten in Hydrobiologia Dordrecht [u.a.] : Springer Science + Business Media B.V, 1948 653(2010), 1 vom: 30. Juni, Seite 91-102 (DE-627)270929975 (DE-600)1478162-1 1573-5117 nnns volume:653 year:2010 number:1 day:30 month:06 pages:91-102 https://dx.doi.org/10.1007/s10750-010-0346-0 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 653 2010 1 30 06 91-102 |
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10.1007/s10750-010-0346-0 doi (DE-627)SPR012942766 (SPR)s10750-010-0346-0-e DE-627 ger DE-627 rakwb eng 570 ASE 42.92 bkl Rojo, Carmen verfasserin aut Why are there so many kinds of planktonic consumers? The answer lies in the allometric diet breadth 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract In an attempt to explain ‘Why are there so many kinds of animals?’ G.E. Hutchinson highlighted the food web context to suggest that diversity of primary producers should allow consumer richness to be maintained as a result of their adaptive foraging. Co-existence of consumers is then made possible when species differ in body size and thus only a minor diet overlap occurs. All these ideas are still major topics in ecological research and some have been re-examined in order to provide mechanistic explanations of species richness versus connectance relationships in food web structure. The effect of body size as a determinant of diet, jointly with the assumption that individuals are adapted to switch their diet in order to maximise energy gain, have been combined in recent years to develop the Allometric Diet Breadth Model (ADBM). This model, successful for plankton communities, enables us to determine the specific resource–consumer links and then evaluate the diet breadth and test whether the diet overlaps. Here, we apply the ADBM to infer the feeding linkages within a freshwater planktonic community of a Spanish oligo-mesotrophic lake and three spatial partitions of it. ADBM treats phytoplankton species and bacteria as resources and each consumer species (ciliates, rotifers and crustaceans) as both consumers and resources. We applied ADBM to water-column integrated- and single-layered plankton communities to test the importance of the diet on structuring the plankton. If a given pair of species that co-occur in the whole vertical community overlap their diet more than when they occur in the three layers separately, this means that they will never co-exist and are hence overdispersed (segregated). Not all species pairs that have a weak diet overlap when belonging to the whole water-column community co-exist in water-layered communities. Hence, the richer, whole water-column community would then have lower diet overlap than spatially segregated communities. Therefore, the hypothesis of diet breadth of Hutchinson (The American Naturalist 93: 145–159, 1959) explains community structure throughout the water column, and its deviations may be forced abiotically. Food web (dpeaa)DE-He213 ADBM (dpeaa)DE-He213 Diet overlap (dpeaa)DE-He213 Plankton (dpeaa)DE-He213 Co-ocurrence (dpeaa)DE-He213 Body size (dpeaa)DE-He213 Oligotrophic lake (dpeaa)DE-He213 Ruidera Natural Park (dpeaa)DE-He213 Salazar, Guillem verfasserin aut Enthalten in Hydrobiologia Dordrecht [u.a.] : Springer Science + Business Media B.V, 1948 653(2010), 1 vom: 30. Juni, Seite 91-102 (DE-627)270929975 (DE-600)1478162-1 1573-5117 nnns volume:653 year:2010 number:1 day:30 month:06 pages:91-102 https://dx.doi.org/10.1007/s10750-010-0346-0 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 653 2010 1 30 06 91-102 |
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10.1007/s10750-010-0346-0 doi (DE-627)SPR012942766 (SPR)s10750-010-0346-0-e DE-627 ger DE-627 rakwb eng 570 ASE 42.92 bkl Rojo, Carmen verfasserin aut Why are there so many kinds of planktonic consumers? The answer lies in the allometric diet breadth 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract In an attempt to explain ‘Why are there so many kinds of animals?’ G.E. Hutchinson highlighted the food web context to suggest that diversity of primary producers should allow consumer richness to be maintained as a result of their adaptive foraging. Co-existence of consumers is then made possible when species differ in body size and thus only a minor diet overlap occurs. All these ideas are still major topics in ecological research and some have been re-examined in order to provide mechanistic explanations of species richness versus connectance relationships in food web structure. The effect of body size as a determinant of diet, jointly with the assumption that individuals are adapted to switch their diet in order to maximise energy gain, have been combined in recent years to develop the Allometric Diet Breadth Model (ADBM). This model, successful for plankton communities, enables us to determine the specific resource–consumer links and then evaluate the diet breadth and test whether the diet overlaps. Here, we apply the ADBM to infer the feeding linkages within a freshwater planktonic community of a Spanish oligo-mesotrophic lake and three spatial partitions of it. ADBM treats phytoplankton species and bacteria as resources and each consumer species (ciliates, rotifers and crustaceans) as both consumers and resources. We applied ADBM to water-column integrated- and single-layered plankton communities to test the importance of the diet on structuring the plankton. If a given pair of species that co-occur in the whole vertical community overlap their diet more than when they occur in the three layers separately, this means that they will never co-exist and are hence overdispersed (segregated). Not all species pairs that have a weak diet overlap when belonging to the whole water-column community co-exist in water-layered communities. Hence, the richer, whole water-column community would then have lower diet overlap than spatially segregated communities. Therefore, the hypothesis of diet breadth of Hutchinson (The American Naturalist 93: 145–159, 1959) explains community structure throughout the water column, and its deviations may be forced abiotically. Food web (dpeaa)DE-He213 ADBM (dpeaa)DE-He213 Diet overlap (dpeaa)DE-He213 Plankton (dpeaa)DE-He213 Co-ocurrence (dpeaa)DE-He213 Body size (dpeaa)DE-He213 Oligotrophic lake (dpeaa)DE-He213 Ruidera Natural Park (dpeaa)DE-He213 Salazar, Guillem verfasserin aut Enthalten in Hydrobiologia Dordrecht [u.a.] : Springer Science + Business Media B.V, 1948 653(2010), 1 vom: 30. Juni, Seite 91-102 (DE-627)270929975 (DE-600)1478162-1 1573-5117 nnns volume:653 year:2010 number:1 day:30 month:06 pages:91-102 https://dx.doi.org/10.1007/s10750-010-0346-0 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 653 2010 1 30 06 91-102 |
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Enthalten in Hydrobiologia 653(2010), 1 vom: 30. Juni, Seite 91-102 volume:653 year:2010 number:1 day:30 month:06 pages:91-102 |
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The answer lies in the allometric diet breadth</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2010</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract In an attempt to explain ‘Why are there so many kinds of animals?’ G.E. Hutchinson highlighted the food web context to suggest that diversity of primary producers should allow consumer richness to be maintained as a result of their adaptive foraging. Co-existence of consumers is then made possible when species differ in body size and thus only a minor diet overlap occurs. All these ideas are still major topics in ecological research and some have been re-examined in order to provide mechanistic explanations of species richness versus connectance relationships in food web structure. The effect of body size as a determinant of diet, jointly with the assumption that individuals are adapted to switch their diet in order to maximise energy gain, have been combined in recent years to develop the Allometric Diet Breadth Model (ADBM). This model, successful for plankton communities, enables us to determine the specific resource–consumer links and then evaluate the diet breadth and test whether the diet overlaps. Here, we apply the ADBM to infer the feeding linkages within a freshwater planktonic community of a Spanish oligo-mesotrophic lake and three spatial partitions of it. ADBM treats phytoplankton species and bacteria as resources and each consumer species (ciliates, rotifers and crustaceans) as both consumers and resources. We applied ADBM to water-column integrated- and single-layered plankton communities to test the importance of the diet on structuring the plankton. If a given pair of species that co-occur in the whole vertical community overlap their diet more than when they occur in the three layers separately, this means that they will never co-exist and are hence overdispersed (segregated). Not all species pairs that have a weak diet overlap when belonging to the whole water-column community co-exist in water-layered communities. Hence, the richer, whole water-column community would then have lower diet overlap than spatially segregated communities. 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Rojo, Carmen |
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Rojo, Carmen ddc 570 bkl 42.92 misc Food web misc ADBM misc Diet overlap misc Plankton misc Co-ocurrence misc Body size misc Oligotrophic lake misc Ruidera Natural Park Why are there so many kinds of planktonic consumers? The answer lies in the allometric diet breadth |
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570 ASE 42.92 bkl Why are there so many kinds of planktonic consumers? The answer lies in the allometric diet breadth Food web (dpeaa)DE-He213 ADBM (dpeaa)DE-He213 Diet overlap (dpeaa)DE-He213 Plankton (dpeaa)DE-He213 Co-ocurrence (dpeaa)DE-He213 Body size (dpeaa)DE-He213 Oligotrophic lake (dpeaa)DE-He213 Ruidera Natural Park (dpeaa)DE-He213 |
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why are there so many kinds of planktonic consumers? the answer lies in the allometric diet breadth |
| title_auth |
Why are there so many kinds of planktonic consumers? The answer lies in the allometric diet breadth |
| abstract |
Abstract In an attempt to explain ‘Why are there so many kinds of animals?’ G.E. Hutchinson highlighted the food web context to suggest that diversity of primary producers should allow consumer richness to be maintained as a result of their adaptive foraging. Co-existence of consumers is then made possible when species differ in body size and thus only a minor diet overlap occurs. All these ideas are still major topics in ecological research and some have been re-examined in order to provide mechanistic explanations of species richness versus connectance relationships in food web structure. The effect of body size as a determinant of diet, jointly with the assumption that individuals are adapted to switch their diet in order to maximise energy gain, have been combined in recent years to develop the Allometric Diet Breadth Model (ADBM). This model, successful for plankton communities, enables us to determine the specific resource–consumer links and then evaluate the diet breadth and test whether the diet overlaps. Here, we apply the ADBM to infer the feeding linkages within a freshwater planktonic community of a Spanish oligo-mesotrophic lake and three spatial partitions of it. ADBM treats phytoplankton species and bacteria as resources and each consumer species (ciliates, rotifers and crustaceans) as both consumers and resources. We applied ADBM to water-column integrated- and single-layered plankton communities to test the importance of the diet on structuring the plankton. If a given pair of species that co-occur in the whole vertical community overlap their diet more than when they occur in the three layers separately, this means that they will never co-exist and are hence overdispersed (segregated). Not all species pairs that have a weak diet overlap when belonging to the whole water-column community co-exist in water-layered communities. Hence, the richer, whole water-column community would then have lower diet overlap than spatially segregated communities. Therefore, the hypothesis of diet breadth of Hutchinson (The American Naturalist 93: 145–159, 1959) explains community structure throughout the water column, and its deviations may be forced abiotically. |
| abstractGer |
Abstract In an attempt to explain ‘Why are there so many kinds of animals?’ G.E. Hutchinson highlighted the food web context to suggest that diversity of primary producers should allow consumer richness to be maintained as a result of their adaptive foraging. Co-existence of consumers is then made possible when species differ in body size and thus only a minor diet overlap occurs. All these ideas are still major topics in ecological research and some have been re-examined in order to provide mechanistic explanations of species richness versus connectance relationships in food web structure. The effect of body size as a determinant of diet, jointly with the assumption that individuals are adapted to switch their diet in order to maximise energy gain, have been combined in recent years to develop the Allometric Diet Breadth Model (ADBM). This model, successful for plankton communities, enables us to determine the specific resource–consumer links and then evaluate the diet breadth and test whether the diet overlaps. Here, we apply the ADBM to infer the feeding linkages within a freshwater planktonic community of a Spanish oligo-mesotrophic lake and three spatial partitions of it. ADBM treats phytoplankton species and bacteria as resources and each consumer species (ciliates, rotifers and crustaceans) as both consumers and resources. We applied ADBM to water-column integrated- and single-layered plankton communities to test the importance of the diet on structuring the plankton. If a given pair of species that co-occur in the whole vertical community overlap their diet more than when they occur in the three layers separately, this means that they will never co-exist and are hence overdispersed (segregated). Not all species pairs that have a weak diet overlap when belonging to the whole water-column community co-exist in water-layered communities. Hence, the richer, whole water-column community would then have lower diet overlap than spatially segregated communities. Therefore, the hypothesis of diet breadth of Hutchinson (The American Naturalist 93: 145–159, 1959) explains community structure throughout the water column, and its deviations may be forced abiotically. |
| abstract_unstemmed |
Abstract In an attempt to explain ‘Why are there so many kinds of animals?’ G.E. Hutchinson highlighted the food web context to suggest that diversity of primary producers should allow consumer richness to be maintained as a result of their adaptive foraging. Co-existence of consumers is then made possible when species differ in body size and thus only a minor diet overlap occurs. All these ideas are still major topics in ecological research and some have been re-examined in order to provide mechanistic explanations of species richness versus connectance relationships in food web structure. The effect of body size as a determinant of diet, jointly with the assumption that individuals are adapted to switch their diet in order to maximise energy gain, have been combined in recent years to develop the Allometric Diet Breadth Model (ADBM). This model, successful for plankton communities, enables us to determine the specific resource–consumer links and then evaluate the diet breadth and test whether the diet overlaps. Here, we apply the ADBM to infer the feeding linkages within a freshwater planktonic community of a Spanish oligo-mesotrophic lake and three spatial partitions of it. ADBM treats phytoplankton species and bacteria as resources and each consumer species (ciliates, rotifers and crustaceans) as both consumers and resources. We applied ADBM to water-column integrated- and single-layered plankton communities to test the importance of the diet on structuring the plankton. If a given pair of species that co-occur in the whole vertical community overlap their diet more than when they occur in the three layers separately, this means that they will never co-exist and are hence overdispersed (segregated). Not all species pairs that have a weak diet overlap when belonging to the whole water-column community co-exist in water-layered communities. Hence, the richer, whole water-column community would then have lower diet overlap than spatially segregated communities. Therefore, the hypothesis of diet breadth of Hutchinson (The American Naturalist 93: 145–159, 1959) explains community structure throughout the water column, and its deviations may be forced abiotically. |
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Why are there so many kinds of planktonic consumers? The answer lies in the allometric diet breadth |
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| score |
7.39979 |