DETERMINATION OF THE RATE OF GROWTH OF PACIFASTACUS LENIUSCULUS IN LAKE POBŁĘDZIE, USING POLYMODAL LENGTH FREQUENCY DISTRIBUTION ANALYSIS
This study estimated the rate of growth of Pacifastacus leniusculus using the sizefrequency data analysis in Lake Pobłędzie NE Poland. A sample of 1,342 individuals (645 males and 697 females) was collected with baited traps in late September 2002. The age composition of the crayfish population was...
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ŠMIETANA P. [verfasserIn] KRZYWOSZ T. [verfasserIn] |
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E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2006 |
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| Übergeordnetes Werk: |
In: Knowledge and Management of Aquatic Ecosystems - EDP Sciences, 2010, (2006), 380-381, Seite 1229-1243 |
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| Übergeordnetes Werk: |
year:2006 ; number:380-381 ; pages:1229-1243 |
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| DOI / URN: |
10.1051/kmae:2006022 |
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DOAJ059800143 |
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| 520 | |a This study estimated the rate of growth of Pacifastacus leniusculus using the sizefrequency data analysis in Lake Pobłędzie NE Poland. A sample of 1,342 individuals (645 males and 697 females) was collected with baited traps in late September 2002. The age composition of the crayfish population was determined by the Macdonald-Pitcher mixture analysis (computer program MIX. 3.11a) for both sexes separately. Six age groups of males and five of females were identified. The rate of growth was described with a polynomial growth model. The results showed relatively fast increases of both length and weight of Pacifastacus leniusculus in Lake Pobłędzie and no difference in growth rates between males and females. It is concluded from this study that polymodal lengthfrequency distribution analysis can be successfully applied to data on crayfish catches even if juveniles were not completely covered by the sampling method applied. The sampling size needs, however, to be large enough. Further, advantages of applying this analysis are the easy data collected and processing making the method suitable for large data sets already existing, while a disadvantage is the problem of separating the early age classes. Comparison of growth rates among signal crayfish populations suggested a relative fast growth of Pacifastacus leniusculus in Lake Pobłędzie. This population had a faster apparent growth rate than those reported for other crayfish populations from Poland. | ||
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10.1051/kmae:2006022 doi (DE-627)DOAJ059800143 (DE-599)DOAJ643a8b05fad34e78b093864286eb3b53 DE-627 ger DE-627 rakwb eng SH1-691 ŠMIETANA P. verfasserin aut DETERMINATION OF THE RATE OF GROWTH OF PACIFASTACUS LENIUSCULUS IN LAKE POBŁĘDZIE, USING POLYMODAL LENGTH FREQUENCY DISTRIBUTION ANALYSIS 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study estimated the rate of growth of Pacifastacus leniusculus using the sizefrequency data analysis in Lake Pobłędzie NE Poland. A sample of 1,342 individuals (645 males and 697 females) was collected with baited traps in late September 2002. The age composition of the crayfish population was determined by the Macdonald-Pitcher mixture analysis (computer program MIX. 3.11a) for both sexes separately. Six age groups of males and five of females were identified. The rate of growth was described with a polynomial growth model. The results showed relatively fast increases of both length and weight of Pacifastacus leniusculus in Lake Pobłędzie and no difference in growth rates between males and females. It is concluded from this study that polymodal lengthfrequency distribution analysis can be successfully applied to data on crayfish catches even if juveniles were not completely covered by the sampling method applied. The sampling size needs, however, to be large enough. Further, advantages of applying this analysis are the easy data collected and processing making the method suitable for large data sets already existing, while a disadvantage is the problem of separating the early age classes. Comparison of growth rates among signal crayfish populations suggested a relative fast growth of Pacifastacus leniusculus in Lake Pobłędzie. This population had a faster apparent growth rate than those reported for other crayfish populations from Poland. Pacifastacus leniusculus growth rate polymodal length-frequency distribution analysis Aquaculture. Fisheries. Angling KRZYWOSZ T. verfasserin aut In Knowledge and Management of Aquatic Ecosystems EDP Sciences, 2010 (2006), 380-381, Seite 1229-1243 (DE-627)604078730 (DE-600)2502926-5 19619502 nnns year:2006 number:380-381 pages:1229-1243 https://doi.org/10.1051/kmae:2006022 kostenfrei https://doaj.org/article/643a8b05fad34e78b093864286eb3b53 kostenfrei http://dx.doi.org/10.1051/kmae:2006022 kostenfrei https://doaj.org/toc/1961-9502 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA AR 2006 380-381 1229-1243 |
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10.1051/kmae:2006022 doi (DE-627)DOAJ059800143 (DE-599)DOAJ643a8b05fad34e78b093864286eb3b53 DE-627 ger DE-627 rakwb eng SH1-691 ŠMIETANA P. verfasserin aut DETERMINATION OF THE RATE OF GROWTH OF PACIFASTACUS LENIUSCULUS IN LAKE POBŁĘDZIE, USING POLYMODAL LENGTH FREQUENCY DISTRIBUTION ANALYSIS 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study estimated the rate of growth of Pacifastacus leniusculus using the sizefrequency data analysis in Lake Pobłędzie NE Poland. A sample of 1,342 individuals (645 males and 697 females) was collected with baited traps in late September 2002. The age composition of the crayfish population was determined by the Macdonald-Pitcher mixture analysis (computer program MIX. 3.11a) for both sexes separately. Six age groups of males and five of females were identified. The rate of growth was described with a polynomial growth model. The results showed relatively fast increases of both length and weight of Pacifastacus leniusculus in Lake Pobłędzie and no difference in growth rates between males and females. It is concluded from this study that polymodal lengthfrequency distribution analysis can be successfully applied to data on crayfish catches even if juveniles were not completely covered by the sampling method applied. The sampling size needs, however, to be large enough. Further, advantages of applying this analysis are the easy data collected and processing making the method suitable for large data sets already existing, while a disadvantage is the problem of separating the early age classes. Comparison of growth rates among signal crayfish populations suggested a relative fast growth of Pacifastacus leniusculus in Lake Pobłędzie. This population had a faster apparent growth rate than those reported for other crayfish populations from Poland. Pacifastacus leniusculus growth rate polymodal length-frequency distribution analysis Aquaculture. Fisheries. Angling KRZYWOSZ T. verfasserin aut In Knowledge and Management of Aquatic Ecosystems EDP Sciences, 2010 (2006), 380-381, Seite 1229-1243 (DE-627)604078730 (DE-600)2502926-5 19619502 nnns year:2006 number:380-381 pages:1229-1243 https://doi.org/10.1051/kmae:2006022 kostenfrei https://doaj.org/article/643a8b05fad34e78b093864286eb3b53 kostenfrei http://dx.doi.org/10.1051/kmae:2006022 kostenfrei https://doaj.org/toc/1961-9502 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA AR 2006 380-381 1229-1243 |
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10.1051/kmae:2006022 doi (DE-627)DOAJ059800143 (DE-599)DOAJ643a8b05fad34e78b093864286eb3b53 DE-627 ger DE-627 rakwb eng SH1-691 ŠMIETANA P. verfasserin aut DETERMINATION OF THE RATE OF GROWTH OF PACIFASTACUS LENIUSCULUS IN LAKE POBŁĘDZIE, USING POLYMODAL LENGTH FREQUENCY DISTRIBUTION ANALYSIS 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study estimated the rate of growth of Pacifastacus leniusculus using the sizefrequency data analysis in Lake Pobłędzie NE Poland. A sample of 1,342 individuals (645 males and 697 females) was collected with baited traps in late September 2002. The age composition of the crayfish population was determined by the Macdonald-Pitcher mixture analysis (computer program MIX. 3.11a) for both sexes separately. Six age groups of males and five of females were identified. The rate of growth was described with a polynomial growth model. The results showed relatively fast increases of both length and weight of Pacifastacus leniusculus in Lake Pobłędzie and no difference in growth rates between males and females. It is concluded from this study that polymodal lengthfrequency distribution analysis can be successfully applied to data on crayfish catches even if juveniles were not completely covered by the sampling method applied. The sampling size needs, however, to be large enough. Further, advantages of applying this analysis are the easy data collected and processing making the method suitable for large data sets already existing, while a disadvantage is the problem of separating the early age classes. Comparison of growth rates among signal crayfish populations suggested a relative fast growth of Pacifastacus leniusculus in Lake Pobłędzie. This population had a faster apparent growth rate than those reported for other crayfish populations from Poland. Pacifastacus leniusculus growth rate polymodal length-frequency distribution analysis Aquaculture. Fisheries. Angling KRZYWOSZ T. verfasserin aut In Knowledge and Management of Aquatic Ecosystems EDP Sciences, 2010 (2006), 380-381, Seite 1229-1243 (DE-627)604078730 (DE-600)2502926-5 19619502 nnns year:2006 number:380-381 pages:1229-1243 https://doi.org/10.1051/kmae:2006022 kostenfrei https://doaj.org/article/643a8b05fad34e78b093864286eb3b53 kostenfrei http://dx.doi.org/10.1051/kmae:2006022 kostenfrei https://doaj.org/toc/1961-9502 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA AR 2006 380-381 1229-1243 |
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SH1-691 DETERMINATION OF THE RATE OF GROWTH OF PACIFASTACUS LENIUSCULUS IN LAKE POBŁĘDZIE, USING POLYMODAL LENGTH FREQUENCY DISTRIBUTION ANALYSIS Pacifastacus leniusculus growth rate polymodal length-frequency distribution analysis |
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Knowledge and Management of Aquatic Ecosystems |
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DETERMINATION OF THE RATE OF GROWTH OF PACIFASTACUS LENIUSCULUS IN LAKE POBŁĘDZIE, USING POLYMODAL LENGTH FREQUENCY DISTRIBUTION ANALYSIS |
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DETERMINATION OF THE RATE OF GROWTH OF PACIFASTACUS LENIUSCULUS IN LAKE POBŁĘDZIE, USING POLYMODAL LENGTH FREQUENCY DISTRIBUTION ANALYSIS |
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ŠMIETANA P. |
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Knowledge and Management of Aquatic Ecosystems |
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Knowledge and Management of Aquatic Ecosystems |
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ŠMIETANA P. KRZYWOSZ T. |
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10.1051/kmae:2006022 |
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determination of the rate of growth of pacifastacus leniusculus in lake pobłędzie, using polymodal length frequency distribution analysis |
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SH1-691 |
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DETERMINATION OF THE RATE OF GROWTH OF PACIFASTACUS LENIUSCULUS IN LAKE POBŁĘDZIE, USING POLYMODAL LENGTH FREQUENCY DISTRIBUTION ANALYSIS |
| abstract |
This study estimated the rate of growth of Pacifastacus leniusculus using the sizefrequency data analysis in Lake Pobłędzie NE Poland. A sample of 1,342 individuals (645 males and 697 females) was collected with baited traps in late September 2002. The age composition of the crayfish population was determined by the Macdonald-Pitcher mixture analysis (computer program MIX. 3.11a) for both sexes separately. Six age groups of males and five of females were identified. The rate of growth was described with a polynomial growth model. The results showed relatively fast increases of both length and weight of Pacifastacus leniusculus in Lake Pobłędzie and no difference in growth rates between males and females. It is concluded from this study that polymodal lengthfrequency distribution analysis can be successfully applied to data on crayfish catches even if juveniles were not completely covered by the sampling method applied. The sampling size needs, however, to be large enough. Further, advantages of applying this analysis are the easy data collected and processing making the method suitable for large data sets already existing, while a disadvantage is the problem of separating the early age classes. Comparison of growth rates among signal crayfish populations suggested a relative fast growth of Pacifastacus leniusculus in Lake Pobłędzie. This population had a faster apparent growth rate than those reported for other crayfish populations from Poland. |
| abstractGer |
This study estimated the rate of growth of Pacifastacus leniusculus using the sizefrequency data analysis in Lake Pobłędzie NE Poland. A sample of 1,342 individuals (645 males and 697 females) was collected with baited traps in late September 2002. The age composition of the crayfish population was determined by the Macdonald-Pitcher mixture analysis (computer program MIX. 3.11a) for both sexes separately. Six age groups of males and five of females were identified. The rate of growth was described with a polynomial growth model. The results showed relatively fast increases of both length and weight of Pacifastacus leniusculus in Lake Pobłędzie and no difference in growth rates between males and females. It is concluded from this study that polymodal lengthfrequency distribution analysis can be successfully applied to data on crayfish catches even if juveniles were not completely covered by the sampling method applied. The sampling size needs, however, to be large enough. Further, advantages of applying this analysis are the easy data collected and processing making the method suitable for large data sets already existing, while a disadvantage is the problem of separating the early age classes. Comparison of growth rates among signal crayfish populations suggested a relative fast growth of Pacifastacus leniusculus in Lake Pobłędzie. This population had a faster apparent growth rate than those reported for other crayfish populations from Poland. |
| abstract_unstemmed |
This study estimated the rate of growth of Pacifastacus leniusculus using the sizefrequency data analysis in Lake Pobłędzie NE Poland. A sample of 1,342 individuals (645 males and 697 females) was collected with baited traps in late September 2002. The age composition of the crayfish population was determined by the Macdonald-Pitcher mixture analysis (computer program MIX. 3.11a) for both sexes separately. Six age groups of males and five of females were identified. The rate of growth was described with a polynomial growth model. The results showed relatively fast increases of both length and weight of Pacifastacus leniusculus in Lake Pobłędzie and no difference in growth rates between males and females. It is concluded from this study that polymodal lengthfrequency distribution analysis can be successfully applied to data on crayfish catches even if juveniles were not completely covered by the sampling method applied. The sampling size needs, however, to be large enough. Further, advantages of applying this analysis are the easy data collected and processing making the method suitable for large data sets already existing, while a disadvantage is the problem of separating the early age classes. Comparison of growth rates among signal crayfish populations suggested a relative fast growth of Pacifastacus leniusculus in Lake Pobłędzie. This population had a faster apparent growth rate than those reported for other crayfish populations from Poland. |
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DETERMINATION OF THE RATE OF GROWTH OF PACIFASTACUS LENIUSCULUS IN LAKE POBŁĘDZIE, USING POLYMODAL LENGTH FREQUENCY DISTRIBUTION ANALYSIS |
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https://doi.org/10.1051/kmae:2006022 https://doaj.org/article/643a8b05fad34e78b093864286eb3b53 http://dx.doi.org/10.1051/kmae:2006022 https://doaj.org/toc/1961-9502 |
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