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Registro Completo |
Biblioteca(s): |
Embrapa Semiárido. |
Data corrente: |
28/12/2009 |
Data da última atualização: |
06/12/2018 |
Autoria: |
AZEVEDO, R. de; PEREIRA, J. A. |
Título: |
Análise da eficiência econômica da pequena irrigação no Estado do Ceará. |
Ano de publicação: |
1992 |
Fonte/Imprenta: |
Revista Econômica do Nordeste, Fortaleza, v. 23, n. 1/4, p. 45-68. jan./dez. 1992. |
Idioma: |
Português |
Conteúdo: |
Análise comparativa de projetos de irrigação públicos, privados e comunitários no Estado do Ceará. |
Palavras-Chave: |
Ceará. |
Thesagro: |
Análise Econômica; Irrigação. |
Thesaurus Nal: |
Economic analysis; Irrigation. |
Categoria do assunto: |
E Economia e Indústria Agrícola |
Marc: |
LEADER 00669naa a2200193 a 4500 001 1578972 005 2018-12-06 008 1992 bl uuuu u00u1 u #d 100 1 $aAZEVEDO, R. de 245 $aAnálise da eficiência econômica da pequena irrigação no Estado do Ceará. 260 $c1992 520 $aAnálise comparativa de projetos de irrigação públicos, privados e comunitários no Estado do Ceará. 650 $aEconomic analysis 650 $aIrrigation 650 $aAnálise Econômica 650 $aIrrigação 653 $aCeará 700 1 $aPEREIRA, J. A. 773 $tRevista Econômica do Nordeste, Fortaleza$gv. 23, n. 1/4, p. 45-68. jan./dez. 1992.
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Embrapa Semiárido (CPATSA) |
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Biblioteca(s): |
Embrapa Amapá. |
Data corrente: |
02/08/2017 |
Data da última atualização: |
18/10/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 2 |
Autoria: |
TAVARES-DIAS, M.; OLIVEIRA, M. S. B. |
Afiliação: |
MARCOS TAVARES DIAS, CPAF-AP; MARCOS SIDNEY BRITO OLIVEIRA, Bolsista CPAF-AP. |
Título: |
Structure of parasites community in Chaetobranchopsis orbicularis (Cichlidae), a host from the Amazon River system in northern Brazil. |
Ano de publicação: |
2017 |
Fonte/Imprenta: |
Parasitology Research, v. 116, p. 2313-2319, 2017. |
DOI: |
https://doi.org/10.1007/s00436-017-5539-2 |
Idioma: |
Inglês |
Conteúdo: |
The aim of this paper was to investigate the component communities of parasites in Chaetobranchopsis orbicularis from a tributary of the Amazon River system, in Northern Brazil. In 32 fish examined, 902,551 parasites were collected, including Ichthyophthirius multifiliis, Piscinoodinium pillulare, Sciadicleithrum geophagi, Posthodiplostomum sp., Clinostomum marginatum, Echinorhynchus paranensis, Neoechinorhynchus pterodoridis, and Dolops longicauda. I. multifiliis was the dominant and abundant parasite species. The ectoparasites presented aggregate dispersion, but the endoparasites showed random dispersion pattern. Mean species richness was 4.0 ± 1.5 parasites, mean Brillouin diversity (HB) was 0.33 ± 0.28, mean evenness was 0.15 ± 0.13, and Berger-Parker dominance (d) was 0.85 ± 0.17. The species richness of parasites and HB were positively correlated with the length of hosts. There was positive correlation between the abundance of P. pillulare and length and weight, between the abundance of I. multifiliis and weight, as well as between the abundance of E. paranensis and N. pterodoridis and the length of hosts. Body condition of the hosts was not affected by moderate parasitism. The low diversity of endoparasites indicates that C. orbicularis is a host with low position in the food web. This is the first record of all these parasites for C. orbicularis. |
Palavras-Chave: |
Animal parasite; Host; Protozoan. |
Thesagro: |
Hospedeiro; Parasito de animal; Protozoário. |
Categoria do assunto: |
S Ciências Biológicas |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/162328/1/CPAF-AP-2017-Structure-of-parasites-community.pdf
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Marc: |
LEADER 02082naa a2200217 a 4500 001 2073499 005 2022-10-18 008 2017 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1007/s00436-017-5539-2$2DOI 100 1 $aTAVARES-DIAS, M. 245 $aStructure of parasites community in Chaetobranchopsis orbicularis (Cichlidae), a host from the Amazon River system in northern Brazil.$h[electronic resource] 260 $c2017 520 $aThe aim of this paper was to investigate the component communities of parasites in Chaetobranchopsis orbicularis from a tributary of the Amazon River system, in Northern Brazil. In 32 fish examined, 902,551 parasites were collected, including Ichthyophthirius multifiliis, Piscinoodinium pillulare, Sciadicleithrum geophagi, Posthodiplostomum sp., Clinostomum marginatum, Echinorhynchus paranensis, Neoechinorhynchus pterodoridis, and Dolops longicauda. I. multifiliis was the dominant and abundant parasite species. The ectoparasites presented aggregate dispersion, but the endoparasites showed random dispersion pattern. Mean species richness was 4.0 ± 1.5 parasites, mean Brillouin diversity (HB) was 0.33 ± 0.28, mean evenness was 0.15 ± 0.13, and Berger-Parker dominance (d) was 0.85 ± 0.17. The species richness of parasites and HB were positively correlated with the length of hosts. There was positive correlation between the abundance of P. pillulare and length and weight, between the abundance of I. multifiliis and weight, as well as between the abundance of E. paranensis and N. pterodoridis and the length of hosts. Body condition of the hosts was not affected by moderate parasitism. The low diversity of endoparasites indicates that C. orbicularis is a host with low position in the food web. This is the first record of all these parasites for C. orbicularis. 650 $aHospedeiro 650 $aParasito de animal 650 $aProtozoário 653 $aAnimal parasite 653 $aHost 653 $aProtozoan 700 1 $aOLIVEIRA, M. S. B. 773 $tParasitology Research$gv. 116, p. 2313-2319, 2017.
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