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Registro Completo |
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Biblioteca(s): |
Embrapa Amapá. |
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Data corrente: |
09/12/2015 |
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Data da última atualização: |
14/03/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
LIMA, J. de F.; SILVA, L. M. A. da. |
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Afiliação: |
JO DE FARIAS LIMA, CPAF-AP; LUIS MAURICIO ABDON DA SILVA, IEPA, Macapá, AP. |
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Título: |
Population structure and relative growth of freshwater prawn Macrobrachium amazonicum (HELLER, 1862) (Crustacea, Palaemonidae) in two regions of the State of Amapá, Amazon River mouth, Brazil. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
Biota Amazônia, Macapá, v. 5, n. 2, p. 52-57, 2015. |
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ISSN: |
ISSN 2179-5746 |
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Idioma: |
Inglês |
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Conteúdo: |
Macrobrachium amazonicum is an indigenous prawn vastly distributed in basins of South America, widely exploited by artisanal fisheries in northern and northeastern Brazil and, with great potential for aquaculture. This study aimed at examining the population biology with emphasis on the sex ratio and size frequency distribution. The specimens were analyzed in terms of population structure , sexual ratio, size frequency distribution, recruitment and the relative gr owth was compared by sex and seasons. A number of 5,179 (2,977 females and 2,192 males) were collected monthly using 20 matapis. The sex ratio in both areas was favorable to females with 1:1.36 in Santana Island and 1:1.41 in Mazagão Velho. The monthly distribution of absolute frequency of juveniles , adult males and females varied according to the season in the two areas studied. Adult females were more abundant in the rainier period; while the adult males and females were similarly abundant in the less rain y period. In Santana Island, females were significantly larger than males, while the sizes were similar between sexes in Mazagão Velho. The regression equations applied to the data shown positive allometry in all relations , with r² more than 0.94 in both sex and sites. |
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Palavras-Chave: |
Crustacean; Growth; Matapi; Morphometric relationship; Relação morfométrica. |
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Thesagro: |
Crescimento; Crustáceo. |
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Categoria do assunto: |
S Ciências Biológicas |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/135280/1/CPAF-AP-2015-Population-structure-and-relative.pdf
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Marc: |
LEADER 02027naa a2200229 a 4500
001 2031247
005 2017-03-14
008 2015 bl uuuu u00u1 u #d
022 $aISSN 2179-5746
100 1 $aLIMA, J. de F.
245 $aPopulation structure and relative growth of freshwater prawn Macrobrachium amazonicum (HELLER, 1862) (Crustacea, Palaemonidae) in two regions of the State of Amapá, Amazon River mouth, Brazil.$h[electronic resource]
260 $c2015
520 $aMacrobrachium amazonicum is an indigenous prawn vastly distributed in basins of South America, widely exploited by artisanal fisheries in northern and northeastern Brazil and, with great potential for aquaculture. This study aimed at examining the population biology with emphasis on the sex ratio and size frequency distribution. The specimens were analyzed in terms of population structure , sexual ratio, size frequency distribution, recruitment and the relative gr owth was compared by sex and seasons. A number of 5,179 (2,977 females and 2,192 males) were collected monthly using 20 matapis. The sex ratio in both areas was favorable to females with 1:1.36 in Santana Island and 1:1.41 in Mazagão Velho. The monthly distribution of absolute frequency of juveniles , adult males and females varied according to the season in the two areas studied. Adult females were more abundant in the rainier period; while the adult males and females were similarly abundant in the less rain y period. In Santana Island, females were significantly larger than males, while the sizes were similar between sexes in Mazagão Velho. The regression equations applied to the data shown positive allometry in all relations , with r² more than 0.94 in both sex and sites.
650 $aCrescimento
650 $aCrustáceo
653 $aCrustacean
653 $aGrowth
653 $aMatapi
653 $aMorphometric relationship
653 $aRelação morfométrica
700 1 $aSILVA, L. M. A. da
773 $tBiota Amazônia, Macapá$gv. 5, n. 2, p. 52-57, 2015.
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Registro original: |
Embrapa Amapá (CPAF-AP) |
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Registro |
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Voltar
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Hortaliças. Para informações adicionais entre em contato com cnph.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Hortaliças. |
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Data corrente: |
17/12/2001 |
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Data da última atualização: |
17/12/2001 |
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Autoria: |
CALBO, A. G.; SILVA, W. L. de C. |
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Afiliação: |
EMBRAPA-CNPH, Brasília, DF. |
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Título: |
Sensor de umidade feito em casa. |
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Ano de publicação: |
2001 |
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Fonte/Imprenta: |
Revista Globo Rural, São Paulo, v. 17, n. 194, p. 22, dez. 2001. |
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Idioma: |
Português |
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Palavras-Chave: |
Irrigas; Sensor; Sensor de umidade. |
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Thesagro: |
Hortaliça; Irrigação. |
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Thesaurus NAL: |
irrigation; vegetables. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00528naa a2200205 a 4500
001 1770716
005 2001-12-17
008 2001 bl uuuu u00u1 u #d
100 1 $aCALBO, A. G.
245 $aSensor de umidade feito em casa.
260 $c2001
650 $airrigation
650 $avegetables
650 $aHortaliça
650 $aIrrigação
653 $aIrrigas
653 $aSensor
653 $aSensor de umidade
700 1 $aSILVA, W. L. de C.
773 $tRevista Globo Rural, São Paulo$gv. 17, n. 194, p. 22, dez. 2001.
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Embrapa Hortaliças (CNPH) |
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