Seasonal and spatial changes in the larval fish fauna within a large temperate Australian estuary

Neira, Francisco J.; Potter, I. C.; Bradley, J. S.

doi:10.1007/bf00349721

Cited by 79 publications

(60 citation statements)

References 30 publications

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“…Este fato também foi verificado em outros estuários em latitudes temperadas ao redor do mundo (Neira et al 1992, Harris et al 1999, Hagan & Able 2003, Berasategui et al 2004). …”

Section: Discussionunclassified

“…Espécies de peixes que utilizam os estuários apresentam padrões de distribuição que podem ser distintos em função das condições ambientais em diferentes latitudes (Day et al 1989). Em zonas temperadas há concentração da abundância de larvas de peixes em certas regiões do estuário (Whitifield 1989, Witting et al 1999, Neira et al 1992, geralmente ao longo de um gradiente entre o estuário, zona costeira e plataforma (Harris et al 1999, Harris et al 2001, Hagan & Able 2003. Estes padrões podem ser resultado de um processo de acoplamento entre o estuário e o oceano, que representam áreas importantes para o recrutamento e criação de várias espécies (Sinque & Muelbert 1998, Vieira & Castello 1998.…”

Section: Introductionunclassified

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Distribuição espacial e variações temporais da abundância de ovos e larvas de Micropogonias furnieri no estuário da Lagoa dos Patos: registros históricos e forçantes ambientais

Bruno¹,

Muelbert²

2009

Atlântica

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-96201-900 -Rio Grande -RSBrasil. 2 docbruno@furg.br RESUMO As espécies de peixes que ocorrem no estuário da Lagoa dos Patos (ELP) apresentam diferentes estratégias de desova que procuram otimizar um balanço entre condições ambientais locais e remotas, e seu ciclo de vida. O presente trabalho descreve e analisa a distribuição espacial, variabilidade temporal e a influência de variáveis ambientais sobre a abundância de ovos e larvas de Micropogonias furnieri no ELP. Foram utilizadas variáveis ambientais e um banco de dados de ictioplâncton com registros históricos. O ictioplâncton foi coletado com rede de plâncton com malha de 300 ou 500 µm em amostras mensais e/ou quinzenais. Análise de variância foi utilizada para testar os efeitos da variação temporal e distribuição espacial sobre a abundância média de ovos e larvas. Salinidade, temperatura, pressão atmosférica e velocidade dos ventos foram importantes na variabilidade sazonal da abundância, enquanto a precipitação e vazão foram importantes para as diferenças interanuais. A abundância de ovos e larvas foi maior no estuário inferior e durante a primavera e verão. Estes resultados sugerem que a variabilidade na distribuição dos primeiros estágios de vida de M. furnieri é determinada por diferentes escalas temporais. ABSTRACTFish species from the Patos Lagoon Estuary (PLE) adopt different spawning strategies to optimize the balance between remote and local environmental conditions during their life cycle. The purpose of this study was to describe and analyze the spatial distribution, temporal variability and the influence of environmental variables on the abundance of eggs and larvae of Micropogonias furnieri in the PLE. Environmental variables and ichthyoplankton historical records were used in the analysis. Ichthyoplankton was collected with a 300 or 500 µm-plankton net in monthly and/or fortnightly samples. Analysis of variance was used to test the effects of spatial distribution and temporal variation on the average abundance of eggs and larvae. Temperature, salinity, atmospheric pressure and winds were important for the seasonal variability of abundance, while precipitation and water discharge were important for interannual differences. The abundance of eggs and larvae in the estuary was higher in the lower estuary during spring and summer. These results suggest that the variability in the distribution of early life stages of M. furnieri is determined at different time scales.

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“…Este fato também foi verificado em outros estuários em latitudes temperadas ao redor do mundo (Neira et al 1992, Harris et al 1999, Hagan & Able 2003, Berasategui et al 2004). …”

Section: Discussionunclassified

Section: Introductionunclassified

Distribuição espacial e variações temporais da abundância de ovos e larvas de Micropogonias furnieri no estuário da Lagoa dos Patos: registros históricos e forçantes ambientais

Bruno¹,

Muelbert²

2009

Atlântica

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“…However, surveys of goby larvae in estuaries of Western Australia (Neira et al 1992) found that over 80% of A. bifrenatus larvae were captured in upper estuaries, with very few (1.9%) found in lower estuaries. The distribution of A. bifrenatus in Australia is cool to warm temperate (Hutchins & Swainston 1986), so it seems more likely that the present specimens were transported directly from mainland Australia, rather than via subtropical surface water.…”

Section: Remarksmentioning

confidence: 99%

“…obs.). The latter is also common in Australian estuaries (Neira et al 1992). Two further gobiid species, Eviota sp.…”

Section: Introductionmentioning

confidence: 99%

First New Zealand record of the Australian bridled goby,arenigobius bifrenatus(Pisces: Gobiidae)

Willis¹,

Saunders

Blackwood

et al. 1999

New Zealand Journal of Marine and Freshwater Research

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Arenigobius bifrenatus (Kner 1865) is a burrowing coastal and estuarine goby from temperate areas of Australia. One specimen was captured from the Whangateau Harbour, north-eastern New Zealand, on 1 April 1998, constituting the first record of this species from New Zealand. Further intensive beach seining at Pollen Island, within the Waitemata Harbour (Auckland), yielded two further specimens which were females in breeding condition. We suggest that the species is an adventive, and its presence in northern New Zealand waters is the result of accidental transport in shipping ballast water.

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“…Their assemblages are directly related to the spawning strategies of brooders and driven by ocean currents and water mass [2,3]. The role of estuaries in larval ontogenesis are well documented in literatures as these water bodies provide an excellent nursery ground and hiding place for juvenile fishes and larvae [4] besides offering abundant food supply in macrophyte beds [5] and Higher spring/summer water temperature compared to the open ocean [6]. In fact, the Icthyoplankton distribution and in estuaries are more complex in terms of composition and abundance due to an interactive effects of various physical, chemical [7] and biological factors [8] and hence they are sensitive to ambient water quality parameters.…”

Section: Introductionmentioning

confidence: 99%

Community Structure and Post-monsoonal Distribution of Icthyoplankton in Kuatan River, Malaysia

John¹,

Hassan²,

Hanisa³

et al. 2017

Environ. ecosyst. sci.

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Present study was aimed to investigate the community structure and size distribution of Icthyoplankton sampled from Kuantan River, Malaysia. Sampling was conducted from May 2015 to August 2015 using modified bubu light trap in Kuantan river and its immediate tributary (Belat river). A total of 78 larvae representing 4 families and 6 genus were sampled and size distribution were measured using Dino capture 2.0v portable microscope. Significant influences of selected water quality parameters on the distribution of Icthyoplankton were observed (p < 0.05). Representatives of larvae belong to gobiidae, eleotridae ambassidae and leiognathidae were recorded during sampling and few larvae were unable to be distinguished morphologically and hence stored for further DNA barcoding. Modified bubu light trap method designed and adopted in this study can be successfully used to sample Icthyoplankton in rivers where the depth and turbidity are the key limiting factors during sampling.

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Seasonal and spatial changes in the larval fish fauna within a large temperate Australian estuary

Cited by 79 publications

References 30 publications

Distribuição espacial e variações temporais da abundância de ovos e larvas de Micropogonias furnieri no estuário da Lagoa dos Patos: registros históricos e forçantes ambientais

Distribuição espacial e variações temporais da abundância de ovos e larvas de Micropogonias furnieri no estuário da Lagoa dos Patos: registros históricos e forçantes ambientais

First New Zealand record of the Australian bridled goby,arenigobius bifrenatus(Pisces: Gobiidae)

Community Structure and Post-monsoonal Distribution of Icthyoplankton in Kuatan River, Malaysia

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