Insect herbivory on C3 and C4 grasses
Summary This study tested the hypothesis that grasses with the C4 photosynthetic pathway are avoided as a food source by insect herbivores in natural communities. Insects were sampled from ten pairs of C3−C4 grasses and their distributions analyzed by paired comparisons tests. Results showed no stat...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1978 |
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| Umfang: |
12 |
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| Reproduktion: |
Springer Online Journal Archives 1860-2002 |
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| Übergeordnetes Werk: |
in: Oecologia - 1968, 36(1978) vom: Jan., Seite 21-32 |
| Übergeordnetes Werk: |
volume:36 ; year:1978 ; month:01 ; pages:21-32 ; extent:12 |
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NLEJ205862683 |
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| 520 | |a Summary This study tested the hypothesis that grasses with the C4 photosynthetic pathway are avoided as a food source by insect herbivores in natural communities. Insects were sampled from ten pairs of C3−C4 grasses and their distributions analyzed by paired comparisons tests. Results showed no statistically significant differences in herbivore utilization of C3−C4 species. However, there was a trend towards heavier utilization of C3 species when means for both plant groups were compared. In particular, Homoptera and Diptera showed heavier usage of C3 plants. Significant correlations between insect abundances and plant protein levels suggest that herbivores respond to the higher protein content of C3 grasses. δ13C values for six of the most common grasshopper species in the study area indicated that three species fed on C3 plants, two species fed on C4 plants, and one species consumed a mixture of C3 and C4 tissue. | ||
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| 700 | 1 | |a Cameron, Guy N. |4 oth | |
| 700 | 1 | |a Smith, Bruce N. |4 oth | |
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(DE-627)NLEJ205862683 DE-627 ger DE-627 rakwb eng Insect herbivory on C3 and C4 grasses 1978 12 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Summary This study tested the hypothesis that grasses with the C4 photosynthetic pathway are avoided as a food source by insect herbivores in natural communities. Insects were sampled from ten pairs of C3−C4 grasses and their distributions analyzed by paired comparisons tests. Results showed no statistically significant differences in herbivore utilization of C3−C4 species. However, there was a trend towards heavier utilization of C3 species when means for both plant groups were compared. In particular, Homoptera and Diptera showed heavier usage of C3 plants. Significant correlations between insect abundances and plant protein levels suggest that herbivores respond to the higher protein content of C3 grasses. δ13C values for six of the most common grasshopper species in the study area indicated that three species fed on C3 plants, two species fed on C4 plants, and one species consumed a mixture of C3 and C4 tissue. Springer Online Journal Archives 1860-2002 Boutton, Thomas W. oth Cameron, Guy N. oth Smith, Bruce N. oth in Oecologia 1968 36(1978) vom: Jan., Seite 21-32 (DE-627)NLEJ18898738X (DE-600)1462019-4 1432-1939 nnns volume:36 year:1978 month:01 pages:21-32 extent:12 http://dx.doi.org/10.1007/BF00344568 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 36 1978 1 21-32 12 |
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(DE-627)NLEJ205862683 DE-627 ger DE-627 rakwb eng Insect herbivory on C3 and C4 grasses 1978 12 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Summary This study tested the hypothesis that grasses with the C4 photosynthetic pathway are avoided as a food source by insect herbivores in natural communities. Insects were sampled from ten pairs of C3−C4 grasses and their distributions analyzed by paired comparisons tests. Results showed no statistically significant differences in herbivore utilization of C3−C4 species. However, there was a trend towards heavier utilization of C3 species when means for both plant groups were compared. In particular, Homoptera and Diptera showed heavier usage of C3 plants. Significant correlations between insect abundances and plant protein levels suggest that herbivores respond to the higher protein content of C3 grasses. δ13C values for six of the most common grasshopper species in the study area indicated that three species fed on C3 plants, two species fed on C4 plants, and one species consumed a mixture of C3 and C4 tissue. Springer Online Journal Archives 1860-2002 Boutton, Thomas W. oth Cameron, Guy N. oth Smith, Bruce N. oth in Oecologia 1968 36(1978) vom: Jan., Seite 21-32 (DE-627)NLEJ18898738X (DE-600)1462019-4 1432-1939 nnns volume:36 year:1978 month:01 pages:21-32 extent:12 http://dx.doi.org/10.1007/BF00344568 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 36 1978 1 21-32 12 |
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(DE-627)NLEJ205862683 DE-627 ger DE-627 rakwb eng Insect herbivory on C3 and C4 grasses 1978 12 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Summary This study tested the hypothesis that grasses with the C4 photosynthetic pathway are avoided as a food source by insect herbivores in natural communities. Insects were sampled from ten pairs of C3−C4 grasses and their distributions analyzed by paired comparisons tests. Results showed no statistically significant differences in herbivore utilization of C3−C4 species. However, there was a trend towards heavier utilization of C3 species when means for both plant groups were compared. In particular, Homoptera and Diptera showed heavier usage of C3 plants. Significant correlations between insect abundances and plant protein levels suggest that herbivores respond to the higher protein content of C3 grasses. δ13C values for six of the most common grasshopper species in the study area indicated that three species fed on C3 plants, two species fed on C4 plants, and one species consumed a mixture of C3 and C4 tissue. Springer Online Journal Archives 1860-2002 Boutton, Thomas W. oth Cameron, Guy N. oth Smith, Bruce N. oth in Oecologia 1968 36(1978) vom: Jan., Seite 21-32 (DE-627)NLEJ18898738X (DE-600)1462019-4 1432-1939 nnns volume:36 year:1978 month:01 pages:21-32 extent:12 http://dx.doi.org/10.1007/BF00344568 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 36 1978 1 21-32 12 |
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(DE-627)NLEJ205862683 DE-627 ger DE-627 rakwb eng Insect herbivory on C3 and C4 grasses 1978 12 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Summary This study tested the hypothesis that grasses with the C4 photosynthetic pathway are avoided as a food source by insect herbivores in natural communities. Insects were sampled from ten pairs of C3−C4 grasses and their distributions analyzed by paired comparisons tests. Results showed no statistically significant differences in herbivore utilization of C3−C4 species. However, there was a trend towards heavier utilization of C3 species when means for both plant groups were compared. In particular, Homoptera and Diptera showed heavier usage of C3 plants. Significant correlations between insect abundances and plant protein levels suggest that herbivores respond to the higher protein content of C3 grasses. δ13C values for six of the most common grasshopper species in the study area indicated that three species fed on C3 plants, two species fed on C4 plants, and one species consumed a mixture of C3 and C4 tissue. Springer Online Journal Archives 1860-2002 Boutton, Thomas W. oth Cameron, Guy N. oth Smith, Bruce N. oth in Oecologia 1968 36(1978) vom: Jan., Seite 21-32 (DE-627)NLEJ18898738X (DE-600)1462019-4 1432-1939 nnns volume:36 year:1978 month:01 pages:21-32 extent:12 http://dx.doi.org/10.1007/BF00344568 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 36 1978 1 21-32 12 |
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(DE-627)NLEJ205862683 DE-627 ger DE-627 rakwb eng Insect herbivory on C3 and C4 grasses 1978 12 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Summary This study tested the hypothesis that grasses with the C4 photosynthetic pathway are avoided as a food source by insect herbivores in natural communities. Insects were sampled from ten pairs of C3−C4 grasses and their distributions analyzed by paired comparisons tests. Results showed no statistically significant differences in herbivore utilization of C3−C4 species. However, there was a trend towards heavier utilization of C3 species when means for both plant groups were compared. In particular, Homoptera and Diptera showed heavier usage of C3 plants. Significant correlations between insect abundances and plant protein levels suggest that herbivores respond to the higher protein content of C3 grasses. δ13C values for six of the most common grasshopper species in the study area indicated that three species fed on C3 plants, two species fed on C4 plants, and one species consumed a mixture of C3 and C4 tissue. Springer Online Journal Archives 1860-2002 Boutton, Thomas W. oth Cameron, Guy N. oth Smith, Bruce N. oth in Oecologia 1968 36(1978) vom: Jan., Seite 21-32 (DE-627)NLEJ18898738X (DE-600)1462019-4 1432-1939 nnns volume:36 year:1978 month:01 pages:21-32 extent:12 http://dx.doi.org/10.1007/BF00344568 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 36 1978 1 21-32 12 |
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Insect herbivory on C3 and C4 grasses |
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Summary This study tested the hypothesis that grasses with the C4 photosynthetic pathway are avoided as a food source by insect herbivores in natural communities. Insects were sampled from ten pairs of C3−C4 grasses and their distributions analyzed by paired comparisons tests. Results showed no statistically significant differences in herbivore utilization of C3−C4 species. However, there was a trend towards heavier utilization of C3 species when means for both plant groups were compared. In particular, Homoptera and Diptera showed heavier usage of C3 plants. Significant correlations between insect abundances and plant protein levels suggest that herbivores respond to the higher protein content of C3 grasses. δ13C values for six of the most common grasshopper species in the study area indicated that three species fed on C3 plants, two species fed on C4 plants, and one species consumed a mixture of C3 and C4 tissue. |
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Summary This study tested the hypothesis that grasses with the C4 photosynthetic pathway are avoided as a food source by insect herbivores in natural communities. Insects were sampled from ten pairs of C3−C4 grasses and their distributions analyzed by paired comparisons tests. Results showed no statistically significant differences in herbivore utilization of C3−C4 species. However, there was a trend towards heavier utilization of C3 species when means for both plant groups were compared. In particular, Homoptera and Diptera showed heavier usage of C3 plants. Significant correlations between insect abundances and plant protein levels suggest that herbivores respond to the higher protein content of C3 grasses. δ13C values for six of the most common grasshopper species in the study area indicated that three species fed on C3 plants, two species fed on C4 plants, and one species consumed a mixture of C3 and C4 tissue. |
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Summary This study tested the hypothesis that grasses with the C4 photosynthetic pathway are avoided as a food source by insect herbivores in natural communities. Insects were sampled from ten pairs of C3−C4 grasses and their distributions analyzed by paired comparisons tests. Results showed no statistically significant differences in herbivore utilization of C3−C4 species. However, there was a trend towards heavier utilization of C3 species when means for both plant groups were compared. In particular, Homoptera and Diptera showed heavier usage of C3 plants. Significant correlations between insect abundances and plant protein levels suggest that herbivores respond to the higher protein content of C3 grasses. δ13C values for six of the most common grasshopper species in the study area indicated that three species fed on C3 plants, two species fed on C4 plants, and one species consumed a mixture of C3 and C4 tissue. |
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