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Registros recuperados: 270
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A drift study of vertical distribution and mortality of Engraulis anchoita eggs and larvae. OceanDocs
Sánchez, R.P.; de Ciechomski, J.D.; Lasta, C.A.; Guerrero, R.A..
Lagrangian changes in distribution and survival within an anchovy egg and larvae patch were studied by means of multiple opening/closing sampling following a free drifting buoy. The buoy was equipped with a radar reflector and flashing light, and it was connected to a current cross drogue floating at 15 m depth, which corresponded to the main egg and larvae concentration within the patch. The drifter was launched on the Buenos Aires continental shelf, off Necochea during the spring spawning peak of 1983. Three discrete depths (within, below and above the thermocline)were repeatedly sampled close to the drogue with a Motoda sampler. Egg and larval abundances in the vicinity of the drogue were monitored at 3/4 hour intervals for a period of three days. Each...
Tipo: Journal Contribution Palavras-chave: Fish larvae; Fish eggs; Vertical migrations; Feeding; Environmental effects; Ichthyoplankton surveys; Vertical distribution; Survival; Abundance; Drifting data buoys; Fishery surveys; Feeding; Fish larvae; Survival; Http://aims.fao.org/aos/agrovoc/c_2838; Http://aims.fao.org/aos/agrovoc/c_2924; Http://aims.fao.org/aos/agrovoc/c_7538.
Ano: 1999 URL: http://hdl.handle.net/1834/1871
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A new short-rostrum odontocete (Mammalia: Cetacea) from the middle Miocene of the Eastern Netherlands Naturalis
Bianucci, G.; Landini, W..
An incomplete odontocete (Mammalia, Cetacea) skull from Middle Miocene Miste Bed (near Winterswijk in the eastern part of The Netherlands) is described as Vanbreenia trigonia, a new genus and species. The skull exhibits a short rostrum with only two maxillary teeth for each toothrow and with narrow and toothless apical portion exclusively formed by the premaxilla. Considering this last character, the specimen could belong to the Eurhinodelphinidae even if a certain attribution is not possible because of the incompleteness of the specimen. Vanbreenia n. gen. could represent a specialized adaptation to bottom suction feeding among the eurhinodelphinids.
Tipo: Article / Letter to the editor Palavras-chave: Cetacea; Odontocete; Systematics; Feeding; Miocene; The Netherlands.
Ano: 2002 URL: http://www.repository.naturalis.nl/record/505053
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A search for predators and food selectivity of two native species of Hydra (Cnidaria: Hydrozoa) from Brazil Biota Neotropica
Massaro,Fernanda Cristina; Negreiros,Natalia Felix; Rocha,Odete.
The Hydra is the most common representative of freshwater cnidarians. In general, it is found in freshwaters on every continent, with the exception of Antarctica. The aim of the present study is to gather biological and ecological data on aspects of two species of Hydra native to Brazil: Hydra viridissima and Hydra salmacidis. Predation and food selectivity experiments were performed to assess the possible predators and the prey preferences, respectively, of the two species. The results indicate that the two species of Hydra were not consumed by any of the predators that were tested, which are typical predators of invertebrates in freshwater: nymphs of Odonata Anisoptera and the phantom midge larvae of Chaoborus sp. (Insecta), adults of Copepoda Cyclopoida...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Hydra viridissima; Hydra salmacidis; Predation; Prey selection; Feeding.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032013000200035
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Algunas características de la estructura y del comportamiento migratorio de los cardúmenes de caballa (Scomber japonicus marplatensis)en la plataforma bonaerense (Mar Argentino); período 1965-1984 OceanDocs
Cousseau, M.B.; Angelescu, V.A.; Perrotta, R.G..
Three periods were distinguished during the analyzed years: the first one (1965-1975)may be defined as "normal fishing seasons" occurring from October to March, with catches between 8,000 and 14,000 tons.
Tipo: Journal Contribution Palavras-chave: Size distribution; Reproduction; Sexual maturity; Feeding; Landing statistics; Migrations; Geographical distribution; Feeding; Geographical distribution; Reproduction; Sexual maturity; Http://aims.fao.org/aos/agrovoc/c_2838; Http://aims.fao.org/aos/agrovoc/c_5083; Http://aims.fao.org/aos/agrovoc/c_6507; Http://aims.fao.org/aos/agrovoc/c_7016.
Ano: 1987 URL: http://hdl.handle.net/1834/2008
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Alimentação de bovinos na estação seca: princípios e procedimentos. Infoteca-e
RUIZ, M. E.; THIAGO, L. R. L. de S.; COSTA, F. P..
Introdução. Justificativa. Infraestrutura. Fontes de alimentos. Animais. Manejo. Formulação da dieta. Exemplos de sistemas de alimentação na época seca.
Tipo: Documentos (INFOTECA-E) Palavras-chave: Bovino de corte; Alimentação; Seca; Confinamento; Manejo; Brasil Central; Construção rural; Feeding; Dry season; Feedlots; Management; Animal housing; Central Brazil.
Ano: 1984 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/320475
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Alimentacao de peixes carnivoros da planicie inundavel do Rio Miranda, Pantanal, Mato Grosso do Sul, Brasil. Infoteca-e
RESENDE, E.K. de; PEREIRA, R.A.C.; ALMEIDA, V.L.L. de; SILVA, A.G. da..
E analisada a alimentacao de 15 especies de peixes carnivoros de quatro ambientes na planicie de inundacao do baixo rio Miranda, na regiao do Pantanal de Mato Grosso do Sul. Estas especies carnivoras sao generalistas e se alimentam de peixes e outras presas que estejam disponiveis no ambiente, como camaroes, na Baia Cinza. Meandros abandonados, vazantes e baias constituem lares de alimentacao de especies carnivoras de pequeno porte, bem como de formas jovens de grande porte.
Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E) Palavras-chave: Peixe carnivoro; Alimentacao; Rio Miranda; Pantanal; Carnivorous fishes; Feeding; Floodplain; Fish; Food; Miranda river.
Ano: 1996 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/789740
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Alimentação dos peixes detritívoros da Baía Tuiuiú, rio Paraguai, Pantanal de Mato Grosso do Sul, Brasil. Infoteca-e
ALMEIDA, I. M. de.; RESENDE, E. K. de.
Foram analisadas as dietas dos peixes detritívoros da baía Tuiuiú, meandro abandonado do rio Paraguai, próximo a Corumbá, Mato Grosso do Sul. Os peixes detritívoros apresentam estratégias específicas para o consumo do detrito orgânico existente na baía, como o sairu-boi, Potamorhina squamoralevis, que possui os olhos voltados para baixo para consumo do detrito acumulado no fundo, e o cascudo, Liposarcus anisitsi, que se coloca de barriga para cima para raspar os detritos e algas acumuladas nas raízes das macrófitas aquáticas. Para L. anisitsi, que teve os conteúdos estomacais analisados em quase todos os períodos de amostragem, foi encontrada correlação entre índice alimentar e altura de inundação e transparência da água. Peixes detritívoros apresentam...
Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E) Palavras-chave: Dieta; Liposarcus anisitsi; Potamorhina squamoralevis; Pulso de inundação; Feeding; Flood pulse.
Ano: 2012 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/937689
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Alimentação e ciclo alimentar diário de Hoplosternum littorale (Hancock) (Siluriformes, Callichthyidae) nas lagoas Guaraná e Patos da planície do alto rio Paraná, Brasil Zoologia
Hahn,Norma Segatti; Almeida,Vera Lúcia Lescano de; Luz,Karla Danielle Gaspar da.
Hoplosternum Uttorale (Hancock, 1828) is an abundant species in the lagoons of the upper Paraná river floodplain. This species was sampled in Patos and Guaraná lagoons in the flood period (November/92-May/93) and low water period (June-October/93). To analyse food contents in the diet were analysed stomach of 91 adults. Twenty seven food items were recorded, among them, Testaceae, Nematoda, microcrustaceans, quironomids and organic detritus were predominant. These items allows to characterize the species as bentivore. To study feeding activity were analized 565 adults stomach contents. Food intake was more intense during flooding. Considering diel variation, the species started to eat during dusk, increasing during night, stopping to eat during daytime.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Siluriformes; Callichthyidae; Hoplosternum Uttorale; Feeding; Diel cycle; Lagoons.
Ano: 1997 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751997000100005
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Alimentacao e manejo de bezerras de reposicao em rebanhos leiteiros. Infoteca-e
CAMPOS, O.F.de; LIZIEIRE, R.S..
1995
Tipo: Folderes / Folhetos / Cartilhas (INFOTECA-E) Palavras-chave: Bovino de leite; Bezerras; Alimentacao; Manejo; Dairy cattle; Calves; Feeding; Management.
Ano: 1995 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/591579
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Alimentación de la vieira patagónica Zygochlamys patagonica (King y Broderip, 1832) en el banco Reclutas (39ºS-55ºW) durante un período anual OceanDocs
Schejter, L..
Zygochlamys patagonica is distributed in the Atlantic Ocean from 35 degree S to Tierra del Fuego (Argentina), and in the Pacific Ocean, up to 42 degree S, between 40 and 200 m depth. There are 9 beds in the Argentinian Sea. Scallops are suspensivore organisms, feeding on detritus and phytoplankton. The aims of this thesis are to make a quali-quantitative study of the diet of the Patagonian scallop, to detect seasonal changes in diet and to link these results with oceanographic conditions and with the growth pattern. Gut contents of 180 scallops were analyzed from samples (n=30) taken in June, August, October and November 1996, and February and March 1997. This procedure was tested statistically. Twelve species of diatoms and resting stages, five species of...
Tipo: Theses and Dissertations Palavras-chave: Feeding; Stomach content; Feeding; Http://aims.fao.org/aos/agrovoc/c_2838.
Ano: 2000 URL: http://hdl.handle.net/1834/3916
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Alimentación de Merluccius hubbsi e impacto del canibalismo en la región comprendida entre 34°50'-47°s del Atlántico Sudoccidental. OceanDocs
Sánchez, M.F.; Garcia de la Rosa, S.B..
Feeding of Argentine hake during winter 1994, between 50 and 370 m of depth, in the studied area (34°50'-47°S), is based on the consumption of zooplanktonic crustaceans, fishes and cephalopods. Maximum feeding incidence is found at 36°-40°S (51. ), in sea layer of 80-130 m deep (62. ) and between 8:00-10:00 hours (36,6. ). Cluster analysis shows five spatial groups, with similar length distributions and characteristic principal prey items combination. The males of all sizes show a trend to feed on euphausids and hiperiids amphipods. The females eat more quantities of hake, short fin squid and other fishes. There is a change in diet related with predator size, from 47 cm TL onwards for males, and from 53 cm TL for females. This change consists in a decrease...
Tipo: Journal Contribution Palavras-chave: Feeding; Cannibalism; Food organisms; Prey selection; Feeding; Cannibalism; Http://aims.fao.org/aos/agrovoc/c_2838; Http://aims.fao.org/aos/agrovoc/c_9580.
Ano: 1999 URL: http://hdl.handle.net/1834/1874
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Alimentation du merlan Merlangius merlangus L. en Mer Celtique ArchiMer
Du Buit, Marie-henriette; Merlina, Frédéric.
The importance of predation by the whiting (Merlangius merlangus ) from the Celtic Sea has been studied by analysis of stomach contents. Eight hundred and thirteen whitings have been examined during 1984-1986 period. Fish food totalizes 97% of food. It is chiefly a swimming species: no cannibalism has been observed. The daily food index varies between 2 and 4% according to the length and the annual consumption on fishes of nominal catches (11230 t for 1983) would reach 135,000 t corresponding to species already fished for human consumption and the fish meal industry.
Tipo: Text Palavras-chave: Celtic Sea; ANE; Gadidae; Pisces; Merlangius merlangus; Predator control; Stomach content; Feed composition; Feeding.
Ano: 1985 URL: http://archimer.ifremer.fr/doc/1985/publication-1744.pdf
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Alimentation expérimentale de l'huître Crassostrea gigas à l'aide de navicules bleus Haslea ostrearia (Simonsen) de différentes tailles ArchiMer
Barille, Laurent; Bougrier, Serge; Geairon, Philippe; Robert, Jean-michel.
The influence on the feeding physiology (clearance, filtration, ingestion, absorption) of the Japanese oyster Crassostrea gigas of low concentrations of suspended particulate matter (SPM ranging from 2 to 20 mg.l-l) and high food quality (mean organic fraction =54 %) was studied in the laboratory. Experimental diets were made up with three strains of the "blue diatom" Haslea ostrearia, which is responsible of the greening of oyster-ponds. The strains were characterized by different sizes (48, 65 and 98 µm respectively) but possessed the same density and biochemical composition. Clearance rate was found constant at 2.2 1.h(-l).g-l dry weight and therefore was not influenced by increasing seston load. Pseudofaeces production was observed for SPM...
Tipo: Text Palavras-chave: Taille des particules; Qualité alimentaire; Haslea ostrearia; Crassostrea gigas; Alimentation; Particle size; Food quality; Haslea ostrearia; Crassostrea gigas; Feeding.
Ano: 1994 URL: http://archimer.ifremer.fr/doc/1994/publication-3070.pdf
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An ordination technique for fish diet comparisons BABT
Penczak,Tadeusz; Agostinho,Angelo A.; Hahn,Norma S..
The frequency of nine food types in the guts of 58 fish species from the Paraná River and its floodplain was compared using similarity definition. A synthetic table ordered on the basis of this definition, with fish species on axis y, and food types on axis x, enabled easy reading numerous kinds of information on feeding ecology of fish in the catchment. For example: 1) which fish species were generalists, specialists or opportunists, 2) those classified as herbivorous species consumed small amounts of animal food, 3) that fish consumed any food type that contained transformed solar energy and matter, 4) what are food preferences dependent on fish taxonomic affinity. The possibility of employing synthetic tables for investigating spatial and temporal...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Paraná River; Floodplain; Fish; Feeding; Similarity definition; Synthetic table.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132000000100013
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Análise comparativa entre tipos de alimentação de Micrurus corallinus (Serpentes, Elapidae) em cativeiro Iheringia, Sér. Zool.
Serapicos,Eliana de Oliveira; Merusse,José Luiz Bernardino.
Micrurus corallinus (Merrem, 1820) kept in laboratory animal rooms swallow voluntarily various colubrid species. The most accepted species belong to the genera Sibynomorphus Fitzinger, 1843, Oxyrhopus Wagler, 1830 and Liophis Wagler, 1830. The voluntary feeding guaranteed resistance against pathogenic agents. The forced feeding was unsatisfactory due to stress resulting from handling, feeding frequency (30 days), susceptibility to pathogenic agents and high occurrence of pathologies.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Micrurus; Feeding; Handling; Laboratory animals rooms.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212002000400012
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Aproveitamento alimentar de especies nativas dos cerrados: araticum, baru, cagaita e jatoba. Infoteca-e
ALMEIDA, S.P. de; SILVA, J.A. da; RIBEIRO, J.F..
1987
Tipo: Documentos (INFOTECA-E) Palavras-chave: Cerrado; Fruta nativa; Alimentacao humana; Araticum; Baru; Cagaita; Jatoba; Annona; Coumarouna alata; Hymenaea parviflora; Alimentação; Bolo; Brasil; Brazil; Conservação; Cultivation; Cultivo; Cumbaru; Doce; Feeding; Food; Food production; Food technology; Fruit; Fruit growing; Fruticultura; Geleia; Germinação; Germination; Licor; Mingau; Moulting; Muda; Native fruit; Pão; Processamento; Processing; Produção de alimento; Refresco; Savanna; Sorvete; Tecnologia de alimento.
Ano: 1987 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/547709
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ARATICUM: aproveitamento alimentar. Infoteca-e
2004
Tipo: Fôlder / Folheto / Cartilha (INFOTECA-E) Palavras-chave: Araticum; Annona crassiflora; Fruta nativa; Cerrado; Alimento; Alimentação; Receita; Alimento preparado; Indigenous organisms; Foods; Feeding; Processed foods.
Ano: 2004 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/568721
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Aspectos biológico-pesqueros del abadejo (Genypterus blacodes) OceanDocs
Renzi, M.A..
The kingklip is one of the species that has been traditionally exploited in the Argentine Sea. Although captures were not very important, they have been increased in the last years. In this paper, the structure of the concentration areas of summer, spring and winter distribution and other biological aspects were analyzed, on the basis of the data collected during cruises carried out by R/V"Walther Herwig" and R/V"Shinkai Maru" in Argentine waters during 1978/79. The trophic spectrum of the kingklip comprises mainly food species of the Classes Pisces and Crustacea as well as other complementary groups like Mollusca, Brachiopoda and haliacea.
Tipo: Journal Contribution Palavras-chave: Geographical distribution; Population structure; Size distribution; Feeding; Length-weight relationships; Food chains; Trophic relationships; Geographical distribution; Population structure; Feeding; Food chains; Http://aims.fao.org/aos/agrovoc/c_5083; Http://aims.fao.org/aos/agrovoc/c_6115; Http://aims.fao.org/aos/agrovoc/c_2838; Http://aims.fao.org/aos/agrovoc/c_3014.
Ano: 1986 URL: http://hdl.handle.net/1834/2027
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Aspectos da alimentação de Tanystylum isabellae marcus e Anoplodactylus stictus marcus (Pantopoda) Zoologia
Varoli,Franci Mary Fantinato.
This work deals with feeding tests performed in laboratory with Pantopoda species, Tanystylum isabellae Marcus, 1940 and Anoplodactylus stictus Marcus, 1940. Animals (alive and dead) and vegetable foods were offered to males without eggs, males with eggs, females and juveniles Pantopoda. Of the 13 types of food offered to the animals only Sertularia Linnaeus, 1758 (Hydrozoa). Amathia distans Busk, 1886 (Bryozoa), Hyale media (Dana, 1853) (Crustacea, Gammaridea), Caprella danilevskii Czerniavski, 1868 (Crustacea-Caprellidae), Artemia salina Leach, 1812 (Crustacea, Anostraca) e Perna perna (Linné, 1758) (Bivalvia, Mytilidae) were actually eaten. The macroalgae Sargassum C. Agardh, 1820; Padina Adanson, 1763; Chaetomorpha Kützing, 1845 and Ulva Linnaeus....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Pantopoda; Sargassum fauna; Feeding.
Ano: 1994 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751994000400005
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Association between type of feeding at discharge from the hospital and nutritional status of very low birth weight preterm infants BJMBR
Martins-Celini,F.P.; Gonçalves-Ferri,W.A.; Aragon,D.C.; Bernichi,J.P.; Calixto,C.; Sacramento,E.M.F.; Santos,M.A.; Martinez,F.E..
The ideal feeding for premature babies has been the source of extensive debate. The aim of this study was to assess the association between type of feeding at discharge and the nutritional status of very low birth weight infants. This was a retrospective cohort of preterm babies with birth weight ≤1500 g, born between January 2006 and December 2013. The infants were divided into 3 groups according to type of feeding at discharge: exclusive breast milk (group 1), mixed feeding (group 2) and exclusive artificial formula (group 3). Frequencies of each group were calculated, as well as mean Z-score differences in weight, length and head circumference. Six hundred and forty-nine newborns were included. The mean weight of groups 1, 2, and 3 was 1338.7, 1104.0,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Very low birth weight; Nutrition; Feeding; Nutritional status; Human milk.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2018000300614
Registros recuperados: 270
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