Spatial and temporal distribution of fish larvae in marginal lagoons of Pantanal, Mato Grosso State, Brazil

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, electrical conductivity, dissolved oxygen, pH, water transparency and lagoon depth) factors did not significantly affect larval composition and abundance. Larvae were captured throughout the sample period, with the highest densities occurring in December and early January. Temporally, lagoon depth, water transparency and fluviometric level showed a negative correlation with larval density. Both the zooplankton and the larval density vary positively, responding likewise to the environmental conditions imposed by flooding. The highest larval density was also found to coincide with the first rains (early December), when the rainfall has not yet reached its peak.

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Abundance and spatial-temporal distribution of Macrobrachium surinamicum Holthuis, 1948 (Palaemonidae) in the Amazon estuary, north of Brazil

Brazilian Journal of Biology ◽

10.1590/1519-6984.00316 ◽

2016 ◽

Vol 77 (3) ◽

pp. 594-601

Author(s):

D. V. Cavalcante ◽

B. S. Bentes ◽

J. M. Martinelli-Lemos

Keyword(s):

Significant Influence ◽

Abiotic Factors ◽

Temporal Distribution ◽

Artisanal Fisheries ◽

Spatial And Temporal Distribution ◽

Low Salinity ◽

Amazon Estuary ◽

Disturbed Areas ◽

Macrobrachium Amazonicum ◽

The City

Abstract Macrobrachium surinamicum is a small shrimp that inhabits rivers of low salinity. It is mainly caught as bycatch in Amazon shrimp Macrobrachium amazonicum fisheries, which is widely exploited by artisanal fisheries for food and economic needs of the riverside population. This study aimed to characterize the spatial and temporal distribution of the freshwater shrimp M. surinamicum in the Guajará Bay and on Mosqueiro Island, correlating the abundance of this species with abiotic factors (temperature and salinity). Samples were taken from May 2006 to April 2007 in six locations: Mosqueiro Island (Furo das Marinhas and Porto do Pelé); Icoaraci district; Arapiranga Island, edge of the city of Belém; and Combu Island, using traps named 'matapis'. A total of 361 shrimps were caught. The abundance was higher in December and lower in July 2006. The biggest catch occurred on Arapiranga Island and the lowest on Mosqueiro Island. The abundance differed significantly in December 2006 and no variable studied had significant influence on M. surinamicum abundance. In Guajará Bay, particularly the more sheltered places, as Arapiranga and Combu islands, favor the development of M. surinamicum, indicating that this species has preference for less disturbed areas.

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Spatial and temporal distribution of fish in a small lowland stream

Fisheries Management and Ecology ◽

10.1111/j.1365-2400.1994.tb00157.x ◽

1994 ◽

Vol 1 (3) ◽

pp. 143-156 ◽

Cited By ~ 9

Author(s):

A. IBBOTSON ◽

P. ARMITAGE ◽

W. BEAUMONT ◽

M. LADLE ◽

S. WELTON

Keyword(s):

Temporal Distribution ◽

Spatial And Temporal Distribution ◽

Lowland Stream ◽

Distribution Of Fish

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Spatial and Temporal Distribution of Fish Communities with Rainfall in Jungrang Stream

Korean Journal of Ecology and Environment ◽

10.11614/ksl.2018.51.4.354 ◽

2018 ◽

Vol 51 (4) ◽

pp. 354-364

Author(s):

Seung-Hyun Lee ◽

Hyun-Gi Jeong ◽

Hyun-Seon Shin ◽

Jin-young Kim ◽

Sangsuk Pak ◽

...

Keyword(s):

Fish Communities ◽

Temporal Distribution ◽

Spatial And Temporal Distribution ◽

Distribution Of Fish

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DISTRIBUCIÓN Y DENSIDAD DE ICTIOPLANCTON EN EL ESTUARIO DE BAHÍA MÁLAGA, PACÍFICO COLOMBIANO (SEPTIEMBRE DE 2009-FEBRERO DE 2010)

Bulletin of Marine and Coastal Research ◽

10.25268/bimc.invemar.2014.43.1.34 ◽

2016 ◽

Vol 43 (1) ◽

Author(s):

Diana Medina Contreras ◽

Jaime Cantera ◽

Eugenia Escarria ◽

Luz M Mejía Ladino

Keyword(s):

Fish Assemblages ◽

Larval Fish ◽

Fish Larvae ◽

Larval Density ◽

Temporal Distribution ◽

Mesh Size ◽

Temporal Variations ◽

Taxonomic Composition ◽

Total Density ◽

The Relationship

The density, taxonomic composition, and spatial and temporal distribution of the estuarine ichthyoplankton of Bahía Málaga (Pacific coast of Colombia) are described, as well as the relationship between biological parameters and some physicochemical variables. Samples were collected at 12 stations along the principal navigation canal; these samples were taken in four areas following the design of Barletta-Bergan. Surface sweeps were carried out with a conical-cylindrical net (mesh size 500 µm, mouth diameter 0.6 m, length 3.5 m). Salinity and temperature were measured before each sweep. A total of 69019 larvae/1000 m³, representing 23 families, 36 genera and 40 species were collected during monthly sampling from September, 2009 to February, 2010. Carangidae (39.0%) was the most abundant family, followed by Sciaenidae (27.1%) and Engraulidae (20.1%). The most frequent families were Sciaenidae (26.6%), followed by Carangidae (22.8%) and Engraulidae (14.7%) which are important families in larval fish assemblages in tropical estuaries. Eighty percent of total density was provided by six species, of which Seriola morphotype 1 (Carangidae) and Cetengraulis mysticetus (Engraulidae) were the most abundant and dominant. No correlation was found between density and salinity (Spearman, R = 0.23) or temperature (Spearman, R = 0.51). Analysis of spatial and temporal variations of larval density shows significant differences among the months sampled (Anova, p = 0.0029; p < 0.05), but not among areas (Anova, p = 0.078), suggesting that Bahía Málaga offers adequate conditions for the presence of fish larvae.

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Spatial and temporal distribution of Pseudis minuta (Anura, Hylidae, Hylinae) and environmental variables related to its reproductive activity in Reserva Biológica do Lami, southern Brazil

Iheringia Série Zoologia ◽

10.1590/s0073-47212010000200010 ◽

2010 ◽

Vol 100 (2) ◽

pp. 145-150 ◽

Cited By ~ 5

Author(s):

Caroline Zank ◽

Marcos Di-Bernardo ◽

Raúl Maneyro ◽

Patrick Colombo ◽

Luciana A. Fusinatto ◽

...

Keyword(s):

Environmental Variables ◽

Abiotic Factors ◽

Temporal Distribution ◽

Reproductive Activity ◽

Spatial And Temporal Distribution ◽

Southern Brazil ◽

Porto Alegre ◽

Abiotic Variables ◽

Temperature Water ◽

Pseudis Minuta

We studied the reproductive biology of a population of Pseudis minuta Günther, 1858 from Reserva Biológica do Lami (30º 15' S; 51º 05' W), Porto Alegre, southern Brazil. We assessed the spatial and temporal distribution of individuals (males, females, juveniles) and explored potential relationships with environmental variables. Field activities encompassed bimonthly surveys in three semi-permanent ponds, each one during approximately two days and two nights, from August 2004 to July 2005. We recorded differences in the sites used by males, females and juveniles, with males occupying deeper and more distant places from the border. The temporal distributions of individuals, calling sites and amplectant pairs indicated that the reproductive activity of P. minuta is related to some of the studied abiotic factors. Calling males presented statistical differences in relation to non-calling males for all daily abiotic variables analyzed (air temperature, water temperature, relative humidity and rainfall), as well as to monthly temperature and rainfall. The number of active males, females and juveniles was influenced by at least one of the daily or monthly environmental variables analyzed. We conclude that the reproduction in this species is seasonal and may be partially determined by abiotic factors.

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SPATIAL AND TEMPORAL DISTRIBUTION OF FISH IN THE FLOODPLAIN OF KUMBE RIVER. PAPUA

Indonesian Fisheries Research Journal ◽

10.15578/ifrj.24.1.2018.1-13 ◽

2018 ◽

Vol 24 (1) ◽

pp. 1

Author(s):

Yoga Candra Ditya ◽

Arif Wibowo ◽

Husnah Husnah

Keyword(s):

Water Quality ◽

Fish Species ◽

Temporal Distribution ◽

Quality Characteristic ◽

Stress Effect ◽

Spatial And Temporal Distribution ◽

Ecological Data ◽

Water Quality Characteristic ◽

Fish Samples ◽

Distribution Of Fish

Expansion of land clearance mostly for plantation is the big issue in Indonesia including in Papua. Its effect is not only to the catchment area but it also affects fisheries resources. The stress effect occurs worsen in Kumbe River and its floodplain area by the present of introduced fish species such as snakehead (Channa striata) and nile tilapia (Oreochromis niloticus). Spatial and temporal fish distributions are important information for the sustainable fisheries resource and theirs utilization. Study on spatial and temporal fish distribution covering four types of swamp ecosystem of Kumbe River was conducted during April-September 2014 and Mei-November 2015. Explorative field survey was conducted in four different ecosystem types in Kumbe River floodplain areas. Ecological data was collected from four sampling sites in each ecosystem type during high water precipitation (April and May) and low water precipitation (August. September and November). and fish samples were collected with different mesh sizes of gillnet fishing experiment conducted in four sampling sites. Parameters measured were fish important relative index and physical and chemical water quality parameters. The results noted 18 fish species deriving from 13 families. The Arridae with its blue catfish (Neoarius graeffei) dominated almost 90% of fish catch both spatial and temporal. Hydrological dynamic seems the key of trigger factor for the spatial and temporal distribution of fish and dynamic of habitat and water quality characteristic in the floodplain of Kumbe River.

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Effect of abiotic variables on fish eggs and larvae distribution in headwaters of Cuiabá River, Mato Grosso State, Brazil

Neotropical Ichthyology ◽

10.1590/s1679-62252012000100012 ◽

2012 ◽

Vol 10 (1) ◽

pp. 123-132 ◽

Cited By ~ 14

Author(s):

Simoni Ramalho Ziober ◽

Andréa Bialetzki ◽

Lúcia Aparecida de Fátima Mateus

Keyword(s):

Larval Density ◽

Temporal Distribution ◽

Significant Negative Correlation ◽

Fish Eggs ◽

Mato Grosso ◽

River Level ◽

Paraguay River ◽

Main River ◽

Eggs And Larvae ◽

Fish Eggs And Larvae

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 significantly higher at the sampling sites in the main river. The highest densities were found in environments with greater river widths, intermediate depths and lowest values of dissolved oxygen, electrical conductivity, and transparency. Anostomidae, Zungaro zungaro, Bryconamericus spp., Pimelodus spp., Pimelodidae, Auchenipteridae, and Siluriformes were the most abundant groups of larvae, and were observed at the sampling sites in the main river. The study site is an important spawning area for migratory and, non-migratory fish species, and highlight the importance of the main river to the reproductive event, by the influence of local variables transparency and river width, which in turn maybe temporally influenced by the river level.

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Fish larvae from the upper Paraná River: do abiotic factors affect larval density?

Neotropical Ichthyology ◽

10.1590/s1679-62252008000400002 ◽

2008 ◽

Vol 6 (4) ◽

pp. 551-558 ◽

Cited By ~ 40

Author(s):

Gilmar Baumgartner ◽

Keshiyu Nakatani ◽

Luiz Carlos Gomes ◽

Andréa Bialetzki ◽

Paulo Vanderlei Sanches ◽

...

Keyword(s):

Fish Larvae ◽

Abiotic Factors ◽

Larval Density ◽

Principal Component ◽

Paraná River ◽

The Other ◽

Parana River ◽

Upper Paraná River ◽

Iheringichthys Labrosus

The purpose of this study was to evaluate the role of abiotic factors on fish larvae occurrence. Samplings were carried out monthly at 12 stations (grouped in four areas) in the Amambaí, Ivaí and Paraná rivers and in the Itaipu Reservoir (upper Paraná River basin), from October 1994 to January 1995 (spawning season). Simultaneously, we obtained water temperature, pH, electrical conductivity, dissolved oxygen, water level, water velocity, and rainfall. Principal Component Analyses (PCA) and Detrended Correspondence Analyses (DCA) were applied to summarize abiotic and larvae density data, respectively. Amambaí River differed significantly from the other areas in relation to abiotic factors. Itaipu Reservoir differed significantly from the other areas considering species composition, and the Ivaí River also differed from the Paraná River. The relationship among PCA and DCA axes were significant, indicating that abiotic factors do influence larva. For example: Leporinus elongatus prefered the Amambaí River, Hypophthalmus edentatus, Plagioscion squamosissimus, and Hoplias aff. malabaricus the Itaipu Reservoir, and Pimelodus maculatus, Auchenipterus osteomystax and Iheringichthys labrosus the Ivaí River. We suggest that species selected some abiotic factors characteristic to a given environment as spawning grounds.

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Long-term monitoring of potamodromous migratory fish larvae in an undammed river

Marine and Freshwater Research ◽

10.1071/mf18412 ◽

2020 ◽

Vol 71 (3) ◽

pp. 384 ◽

Cited By ~ 1

Author(s):

Rafael Rogério Rosa ◽

Jislaine Cristina Silva ◽

Andréa Bialetzki

Keyword(s):

Fish Larvae ◽

Larval Density ◽

Temporal Distribution ◽

Larval Survival ◽

Local Conditions ◽

Key Species ◽

Survival And Growth ◽

Term Monitoring ◽

Salminus Brasiliensis

Freshwater fish reproduce annually in environments that provide favourable conditions for spawning and larval survival and growth. Thus, the aims of this study were to use long-term larval density data to evaluate the temporal distribution of the dourado Salminus brasiliensis, its habitat use for larval development and the effects of environmental variables on reproduction. S. brasiliensis larvae were mainly recorded in October and January in the Ivinheima River, and higher densities of larvae, primarily in the preflexion and flexion stages, were captured in the river and backwater biotopes. Water level, dissolved oxygen and temperature were the primary variables affecting the density of larvae, and this species can migrate over 200km to reproduce in the Ivinheima River and its tributaries. Therefore, S. brasiliensis is reproducing annually, indicating favourable local conditions for migration and spawning, and exhibits differential use of biotopes for reproduction, including rivers and backwaters (spawning) and lagoons (refuge and growth). Therefore, considering that the dourado is a key species for conservation, ensuring its reproductive success means maintaining a balanced ecological structure.

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