EdenteV2, Istex, Corpus, bibRecord, 006C67

Food resource utilization partitioning of fifteen fish species at Bukit Merah Reservoir, Malaysia

Identifieur interne : 006C67 ( Istex/Corpus ); précédent : 006C66; suivant : 006C68

Food resource utilization partitioning of fifteen fish species at Bukit Merah Reservoir, Malaysia

Auteurs : Yap Siaw-Yang

Source :

Hydrobiologia [ 0018-8158 ] ; 1988-01-01.

RBID : ISTEX:DAF4D52201C0D33367FFB8DEB885E9815146B439

English descriptors

KwdEn :
- Apogon, Aquatic, Batrachus, Biol, Bukit, Bukit merah reservoir, Canonical, Canonical discriminant function, Carnivore, Centroid, Clarias, Clarias batrachus, Content analysis, Crustacea, Cyclocheilichthys, Cyclocheilichthys apogon, Cyprinidae, Detritivore, Detritivores, Detritus, Diet measure, Diet measures, Dietary composition, Dietary overlap, Discriminant, Discriminant analysis, Discriminant scores, Ecology, Fasciatus, Festiva, Fish community, Fish groups, Fish species, Food item, Food items, Food mass, Food resource gradient, Food resources, Frequency occurrence, Freshwater, Furtado, Gonionotus, Hampala, Hampala macrolepidota, Hasselti, Herbivore, Inger, Inger chin, Insect larvae, Invertebrate, Invertebrate feeders, Kuala, Kuala lumpur, Labiobarbus, Labiobarbus festiva, Larva, Leerii, Lumpur, Macrolepidota, Malaya, Malaysia, Marmorata, Merah, Mollusc, Mystus, Mystus planicep, Niche, Niche breadth, Niche overlap, Notopterus, Notopterus notopterus, Omnivore, Ophicephalus, Ophicephalus striatus, Osteochilus, Osteochilus hasselti, Overlap, Oxyeleotris, Oxyeleotris marmorata, Partitioning, Pectoralis, Planicep, Plant materials, Pristolepis, Pristolepis fasciatus, Puntius, Puntius gonionotus, Puntius schwanenfeldii, Puntius strigatus, Relative importance index, Scatter plot, Schwanenfeldii, Single indices, Statistical analysis, Striatus, Strigatus, Total number, Trace amounts, Trichogaster, Trichogaster pectoralis, Trophic, Trophic classification, Trophic status, Wallago, Wallago leerii.
Teeft :
- Apogon, Aquatic, Batrachus, Biol, Bukit, Bukit merah reservoir, Canonical, Canonical discriminant function, Carnivore, Centroid, Clarias, Clarias batrachus, Content analysis, Crustacea, Cyclocheilichthys, Cyclocheilichthys apogon, Cyprinidae, Detritivore, Detritivores, Detritus, Diet measure, Diet measures, Dietary composition, Dietary overlap, Discriminant, Discriminant analysis, Discriminant scores, Ecology, Fasciatus, Festiva, Fish community, Fish groups, Fish species, Food item, Food items, Food mass, Food resource gradient, Food resources, Frequency occurrence, Freshwater, Furtado, Gonionotus, Hampala, Hampala macrolepidota, Hasselti, Herbivore, Inger, Inger chin, Insect larvae, Invertebrate, Invertebrate feeders, Kuala, Kuala lumpur, Labiobarbus, Labiobarbus festiva, Larva, Leerii, Lumpur, Macrolepidota, Malaya, Malaysia, Marmorata, Merah, Mollusc, Mystus, Mystus planicep, Niche, Niche breadth, Niche overlap, Notopterus, Notopterus notopterus, Omnivore, Ophicephalus, Ophicephalus striatus, Osteochilus, Osteochilus hasselti, Overlap, Oxyeleotris, Oxyeleotris marmorata, Partitioning, Pectoralis, Planicep, Plant materials, Pristolepis, Pristolepis fasciatus, Puntius, Puntius gonionotus, Puntius schwanenfeldii, Puntius strigatus, Relative importance index, Scatter plot, Schwanenfeldii, Single indices, Statistical analysis, Striatus, Strigatus, Total number, Trace amounts, Trichogaster, Trichogaster pectoralis, Trophic, Trophic classification, Trophic status, Wallago, Wallago leerii.

Abstract

Abstract: Statistical and mathematical models have been used to measure the subtle differences in food resources utilisation of fifteen (15) fish species at Bukit Merah Reservoir, Malaysia. The models employed are niche breadth, dietary overlap indices and discriminant analysis. A diet measure based on the relative importance index of food items was used for the analysis, to correct for biases of the single indices consisting of the volumetric, numerical and occurrence frequency. Niche breadth (Bi) indicating the diversity or breadth of the food resource gradient utilized by a fish classifies species as generalized feeders (Bi > 4.5), intermediate and specialized feeders (Bi < 2). Niche overlap (Oij) quantifying the sharing of food resource between two species varies from 0.07 to 0.81 and describes high dietary overlap (Oij > 0.60) for most fish at the reservoir; but Trichogaster pectoralis (Anabantidae) feeding on the plankton shows relatively low dietary overlap. A scatter plot and a territorial map of the discriminatory analysis on the dietary composition result in combination an objective basis for trophic classification of the fish community, and describe (1) Osteochilus hasselti and Puntius gonionotus as herbivores, (2) Oxyeleotris marmorata, Clarias batrachus, Ophicephalus striatus, Mystus planicep, and presumably Wallago leerii and Hampala macrolepidota as carnivores, (3) Puntius schwanenfeldii, Cyclocheilichthys apogon, and presumably Labiobarbus festiva as detritivores, (4) Notopterus notopterus as a generalist, and (5) Trichogaster pectoralis as a planktivore. This multivariate analysis is relatively superior to the traditional subjective method for trophic classification and discerning subtle differences objectively, though intermingling occur.

Url:

https://api.istex.fr/document/DAF4D52201C0D33367FFB8DEB885E9815146B439/fulltext/pdf

DOI: 10.1007/BF00006967

Links to Exploration step

ISTEX:DAF4D52201C0D33367FFB8DEB885E9815146B439

Le document en format XML

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<term>Kuala lumpur</term>
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<front><div type="abstract" xml:lang="en">Abstract: Statistical and mathematical models have been used to measure the subtle differences in food resources utilisation of fifteen (15) fish species at Bukit Merah Reservoir, Malaysia. The models employed are niche breadth, dietary overlap indices and discriminant analysis. A diet measure based on the relative importance index of food items was used for the analysis, to correct for biases of the single indices consisting of the volumetric, numerical and occurrence frequency. Niche breadth (Bi) indicating the diversity or breadth of the food resource gradient utilized by a fish classifies species as generalized feeders (Bi > 4.5), intermediate and specialized feeders (Bi < 2). Niche overlap (Oij) quantifying the sharing of food resource between two species varies from 0.07 to 0.81 and describes high dietary overlap (Oij > 0.60) for most fish at the reservoir; but Trichogaster pectoralis (Anabantidae) feeding on the plankton shows relatively low dietary overlap. A scatter plot and a territorial map of the discriminatory analysis on the dietary composition result in combination an objective basis for trophic classification of the fish community, and describe (1) Osteochilus hasselti and Puntius gonionotus as herbivores, (2) Oxyeleotris marmorata, Clarias batrachus, Ophicephalus striatus, Mystus planicep, and presumably Wallago leerii and Hampala macrolepidota as carnivores, (3) Puntius schwanenfeldii, Cyclocheilichthys apogon, and presumably Labiobarbus festiva as detritivores, (4) Notopterus notopterus as a generalist, and (5) Trichogaster pectoralis as a planktivore. This multivariate analysis is relatively superior to the traditional subjective method for trophic classification and discerning subtle differences objectively, though intermingling occur.</div>
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<abstract>Abstract: Statistical and mathematical models have been used to measure the subtle differences in food resources utilisation of fifteen (15) fish species at Bukit Merah Reservoir, Malaysia. The models employed are niche breadth, dietary overlap indices and discriminant analysis. A diet measure based on the relative importance index of food items was used for the analysis, to correct for biases of the single indices consisting of the volumetric, numerical and occurrence frequency. Niche breadth (Bi) indicating the diversity or breadth of the food resource gradient utilized by a fish classifies species as generalized feeders (Bi > 4.5), intermediate and specialized feeders (Bi > 2). Niche overlap (Oij) quantifying the sharing of food resource between two species varies from 0.07 to 0.81 and describes high dietary overlap (Oij > 0.60) for most fish at the reservoir; but Trichogaster pectoralis (Anabantidae) feeding on the plankton shows relatively low dietary overlap. A scatter plot and a territorial map of the discriminatory analysis on the dietary composition result in combination an objective basis for trophic classification of the fish community, and describe (1) Osteochilus hasselti and Puntius gonionotus as herbivores, (2) Oxyeleotris marmorata, Clarias batrachus, Ophicephalus striatus, Mystus planicep, and presumably Wallago leerii and Hampala macrolepidota as carnivores, (3) Puntius schwanenfeldii, Cyclocheilichthys apogon, and presumably Labiobarbus festiva as detritivores, (4) Notopterus notopterus as a generalist, and (5) Trichogaster pectoralis as a planktivore. This multivariate analysis is relatively superior to the traditional subjective method for trophic classification and discerning subtle differences objectively, though intermingling occur.</abstract>
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<abstract xml:lang="en"><p>Abstract: Statistical and mathematical models have been used to measure the subtle differences in food resources utilisation of fifteen (15) fish species at Bukit Merah Reservoir, Malaysia. The models employed are niche breadth, dietary overlap indices and discriminant analysis. A diet measure based on the relative importance index of food items was used for the analysis, to correct for biases of the single indices consisting of the volumetric, numerical and occurrence frequency. Niche breadth (Bi) indicating the diversity or breadth of the food resource gradient utilized by a fish classifies species as generalized feeders (Bi > 4.5), intermediate and specialized feeders (Bi < 2). Niche overlap (Oij) quantifying the sharing of food resource between two species varies from 0.07 to 0.81 and describes high dietary overlap (Oij > 0.60) for most fish at the reservoir; but Trichogaster pectoralis (Anabantidae) feeding on the plankton shows relatively low dietary overlap. A scatter plot and a territorial map of the discriminatory analysis on the dietary composition result in combination an objective basis for trophic classification of the fish community, and describe (1) Osteochilus hasselti and Puntius gonionotus as herbivores, (2) Oxyeleotris marmorata, Clarias batrachus, Ophicephalus striatus, Mystus planicep, and presumably Wallago leerii and Hampala macrolepidota as carnivores, (3) Puntius schwanenfeldii, Cyclocheilichthys apogon, and presumably Labiobarbus festiva as detritivores, (4) Notopterus notopterus as a generalist, and (5) Trichogaster pectoralis as a planktivore. This multivariate analysis is relatively superior to the traditional subjective method for trophic classification and discerning subtle differences objectively, though intermingling occur.</p>
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<Para>Statistical and mathematical models have been used to measure the subtle differences in food resources utilisation of fifteen (15) fish species at Bukit Merah Reservoir, Malaysia. The models employed are niche breadth, dietary overlap indices and discriminant analysis. A diet measure based on the relative importance index of food items was used for the analysis, to correct for biases of the single indices consisting of the volumetric, numerical and occurrence frequency. Niche breadth (B<Subscript>i</Subscript>
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<abstract lang="en">Abstract: Statistical and mathematical models have been used to measure the subtle differences in food resources utilisation of fifteen (15) fish species at Bukit Merah Reservoir, Malaysia. The models employed are niche breadth, dietary overlap indices and discriminant analysis. A diet measure based on the relative importance index of food items was used for the analysis, to correct for biases of the single indices consisting of the volumetric, numerical and occurrence frequency. Niche breadth (Bi) indicating the diversity or breadth of the food resource gradient utilized by a fish classifies species as generalized feeders (Bi > 4.5), intermediate and specialized feeders (Bi < 2). Niche overlap (Oij) quantifying the sharing of food resource between two species varies from 0.07 to 0.81 and describes high dietary overlap (Oij > 0.60) for most fish at the reservoir; but Trichogaster pectoralis (Anabantidae) feeding on the plankton shows relatively low dietary overlap. A scatter plot and a territorial map of the discriminatory analysis on the dietary composition result in combination an objective basis for trophic classification of the fish community, and describe (1) Osteochilus hasselti and Puntius gonionotus as herbivores, (2) Oxyeleotris marmorata, Clarias batrachus, Ophicephalus striatus, Mystus planicep, and presumably Wallago leerii and Hampala macrolepidota as carnivores, (3) Puntius schwanenfeldii, Cyclocheilichthys apogon, and presumably Labiobarbus festiva as detritivores, (4) Notopterus notopterus as a generalist, and (5) Trichogaster pectoralis as a planktivore. This multivariate analysis is relatively superior to the traditional subjective method for trophic classification and discerning subtle differences objectively, though intermingling occur.</abstract>
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Food resource utilization partitioning of fifteen fish species at Bukit Merah Reservoir, Malaysia

Food resource utilization partitioning of fifteen fish species at Bukit Merah Reservoir, Malaysia

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