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| Registros recuperados: 58 | |
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| Rodríguez,Laura; Castro,Leonardo. |
| This is a review on some biological and ecological characteristics of the early life stages of myctophids that exemplify their adaptations to coastal upwelling zones and oceanic nearby areas. The approach has been, however, not to make an exhaustive list of all possible research subjects but, in a more pragmatic way, a) to identify relevant aspects that can be approached with currently available methods in the region and, b) through examples of studies published nationally and regionally, to stimulate future research in larval ecology in the Humboldt Current. Three major themes were assessed: taxonomy and systematics, population ecology and reproductive strategies and, ecophysiology of the early life stages. Among the former, we detected a lack of... |
| Tipo: Journal article |
Palavras-chave: Ichthyoplankton; Myctophids; Humboldt Current; Upwelling areas. |
| Ano: 2000 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-65382000000200011 |
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| Koeck, Barbara; Gerigny, Olivia; Durieux, Eric Dominique Henri; Coudray, Sylvain; Garsi, Laure-helene; Bisgambiglia, Paul-antoine; Galgani, Francois; Agostini, Sylvia. |
| The Strait of Bonifacio constitutes one of the rare transboundary Marine Protected Areas (MPA) of the Mediterranean Sea (between Sardinia, Italy and Corsica, France). Based on the hypothesis that no-take zones will produce more fish larvae, compared to adjacent fished areas, we modeled the outcome of larvae released by coastal fishes inside the no-take zones of the MPA in order to: (i) characterize the dispersal patterns across the Strait of Bonifacio; (ii) identify the main potential settlement areas; (iii) quantify the connectivity and the larval supply from the MPAs to the surrounding areas. A high resolution hydrodynamic model (MARS 3D, Corse 400m) combined to an individual based model (Ichthyop software) was used to model the larval dispersal of fish... |
| Tipo: Text |
Palavras-chave: Biophysical model; Early life stages; Reproductive timing; Pelagic larval duration; Corsica; Ichthyoplankton. |
| Ano: 2015 |
URL: https://archimer.ifremer.fr/doc/00248/35886/34407.pdf |
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| Miranda-chumacero, Guido; Mariac, Cédric; Duponchelle, Fabrice; Painter, Lilian; Wallace, Robert; Cochonneau, Gérard; Molina-rodriguez, Jorge; Garcia-davila, Carmen; Renno, Jean-françois. |
| Identifying fish spawning areas is of great ecological and conservation importance as fishes are suffering increasing threats levels from anthropogenic activities. However, to date very few studies have done so in the Amazon basin. In the Beni River located in the upper Madeira basin, fishers reported that a particular ecotone near Rurrenabaque city was a fish reproduction area. To test the importance of this zone as a spawning site, we conducted an ichthyoplankton survey during the month when reproduction is most likely to occur. The specific identification of larvae and eggs was made with a metabarcoding analysis. With this approach 13 different fish species of high importance for regional and local fisheries were identified, including the long-distance... |
| Tipo: Text |
Palavras-chave: Ichthyoplankton; Prochilodus; Brachyplatystoma; Zungaro; Dams; Arid extraction. |
| Ano: 2020 |
URL: https://archimer.ifremer.fr/doc/00654/76658/77792.pdf |
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| Martin, Corinne; Vaz, Sandrine; Koubbi, Philippe; Meaden, Geoff; Engelhard, Georg H.; Lauria, Valentina; Gardel, Laure; Coppin, Franck; Delavenne, Juliette; Dupuis, Ludovic; Ernande, Bruno; Foveau, Aurelie; Lelievre, Stephanie; Morin, Jocelyne; Warembourg, Caroline; Carpentier, Andre. |
| The eastern English Channel, which connects the Atlantic Ocean to the North Sea through the Dover Strait, is an area where numerous and often conflicting human activities take place. A cross-border multidisciplinary project called CHARM was initiated to provide knowledge and tools for planners and decision-makers to durably manage the shared marine living resources. One such tool was an atlas of fish spatial distributions and modelled habitats, which was used here to investigate ontogenic and seasonal shifts in fish spatial distribution and habitat through a case-study, the dab Limanda limanda. Survey data for several life-history stages (eggs, larvae, coastal nurseries, < and > 1 year old) and seasons were used to map spatial patterns (using... |
| Tipo: Text |
Palavras-chave: Pleuronectidae; Limanda limanda; Eastern Channel; Spatial distribution; Modelling; Kriging; Ichthyoplankton; Trawl; CUFES. |
| Ano: 2010 |
URL: http://archimer.ifremer.fr/doc/00008/11942/8646.pdf |
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| Silva,Patrícia Alves da; Reynalte-Tataje,David Augusto; Zaniboni-Filho,Evoy. |
| This study aims to determine the importance of different environments of the Ligeiro River (upper Uruguay River, Brazil) in fish reproduction. For this purpose, three environments (sampling sites) were selected: rapids, a pool, and the mouth of the Ligeiro River. Ichthyoplankton, zooplankton, and benthos were sampled six times per month from September, 2006 to March, 2007. Zooplankton and ichthyoplankton samples were collected early in the evening with plankton nets (64 µm and 500 µm, respectively). Benthos samples were also collected early in the evening with a Van Veen dredge. Local abiotic variables (temperature, dissolved oxygen, pH, electrical conductivity, water speed, alkalinity, water hardness, and water transparency) were measured simultaneously... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Eggs; Growth sites; Ichthyoplankton; Larvae; Spawning sites. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252012000200018 |
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| Daga,Vanessa Salete; Gogola,Tatiane Mary; Sanches,Paulo Vanderlei; Baumgartner,Gilmar; Baumgartner,Dirceu; Piana,Pitágoras Augusto; Gubiani,Éder André; Delariva,Rosilene Luciana. |
| The objective of this study was to assess the abundance, attributes of assemblages, and spatial and temporal distributions of fish larvae and their relationships with some abiotic variables in two floodplain lakes with different degrees of connection to the Paraná River in Ilha Grande National Park, PR, Brazil. Four sampling sites were chosen, two in each floodplain lake. Night samples were taken with plankton nets during three spawning seasons (monthly, from October to March) from 2001 to 2005. The highest diversity and abundance were recorded at Saraiva Lake, with 25 taxa being identified. In Xambrê Lake, only sedentary species were captured, and the most abundant species were Plagioscion squamosissimus and Hypophthalmus edentatus. The greatest abundance... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ichthyoplankton; Fish reproduction; Parque Nacional de Ilha Grande; Upper Paraná River. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252009000300010 |
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| Tondato,Karina Keyla; Mateus,Lúcia Aparecida de Fátima; Ziober,Simoni Ramalho. |
| An analysis was made of the spatial and temporal distribution of the abundance and composition of fish larvae assemblies, aiming to ascertain correlations with biotic and abiotic factors in marginal lagoons of the Cuiabá River floodplain in Brazil's Pantanal wetlands. Samples were collected bimonthly in the pelagic region of the marginal lagoons (fourteen lagoons) close to the littoral zone covered by aquatic macrophytes from December 2006 to April 2007. The captured individuals consisted of 2,739 larvae, represented predominantly by Triportheus spp. (Characidae), Parodontidae, Anostomidae, Characidae and Serrasalmidae. Larval density varied among the sample lagoons in December, but the biotic (zooplankton density) and abiotic (water temperature,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ichthyoplankton; Floodplain; Cuiabá River; Natural nurseries. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252010000100015 |
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| Ziober,Simoni Ramalho; Bialetzki,Andréa; Mateus,Lúcia Aparecida de Fátima. |
| Researches on ichthyoplankton seems to be an important tool to identification of spawning areas and periods for freshwater fish. Ichthyoplankton was sampled monthly in the headwaters of the Cuiabá River, upper Paraguay River basin, (Mato Grosso State, Brazil), and in four of its tributaries, between November 2007 and March 2008, to evaluate the spatial and temporal distribution of fish eggs and larvae and the influence of regional and local variables on their distribution. In total, 22,067 eggs and 1,045 larvae were collected. A significant negative correlation was found between egg density and the variables of river level and flow volume. Larval density was not significantly correlated with any of the regional variables. The egg and larval densities were... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Freshwater fishes; Ichthyoplankton; Spatial-temporal distribution; Upper Paraguay basin. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252012000100012 |
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| Suzuki,Fábio Mineo; Pires,Lucas Vilela; Pompeu,Paulo Santos. |
| The objective of this study was to evaluate the passage of fish eggs and larvae through the Funil, Itutinga and Camargos Reservoirs, located in the upper Rio Grande basin, Minas Gerais, Brazil. Samples were taken downstream and upstream of the dams using a conical ichthyoplankton net and were collected every two weeks, twice per sampling day, between November 2008 and March 2009. Although eggs and larvae were abundant immediately upstream of the reservoirs, no ichthyoplankton were captured immediately downstream of the dams, possibly indicating that eggs and larvae do not pass through the reservoirs. The arrival of ichthyoplankton in the reservoirs without its effective passage downstream makes the survival of these eggs and larvae unlikely. Furthermore,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Conservation; Downstream migration; Ichthyoplankton; Migratory fish; Spawning. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000300014 |
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| Gogola,Tatiane M; Daga,Vanessa S; Silva,Pedro R. L. da; Sanches,Paulo V; Gubiani,Éder A; Baumgartner,Gilmar; Delariva,Rosilene L. |
| The aim of this work was to study the occurrence of ichthyoplankton in a region affected by water regulation by dams. The study area was located in the region of Ilha Grande National Park, upper Paraná River floodplain. Specifically, we examined the temporal and spatial distribution of Ichthyoplankton, identified spawning areas and established the relationships between the abundances of fish eggs and larvae and some limnological and hydrological variables. Samples were taken monthly between October and March from 2001 to 2005 at 24 sampling sites. For analytical purposes, the sampling sites were grouped into upper, middle and lower areas. The upper area of the National Park had the highest egg density and should be considered the primary spawning area. The... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ichthyoplankton; Ilha Grande National Park; Fish distribution; Fish spawning. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252010000200013 |
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| Registros recuperados: 58 | |
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