Structure and diversity of fishes in a freshwater and coastal subtropical lagoon

Ferreira, Nicolle Corrêa; Guereschi, Renata Maria; Machado, C. R.; Lopes, Carolina Antonieta; Nuñer, Alex Pires de Oliveira

doi:10.1111/jfb.13226

Cited by 7 publications

(5 citation statements)

References 46 publications

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“…grossidens and P. platana dominate the ichthyofauna in Peri Lagoon (Ferreira et al, 2017). The average body length of the former species that we recorded was 167.6 mm for females and 145.4 mm for males, higher than that recorded by Goulart et al (2007) for L. grossidens (110 mm) in the Middle Uruguay River region (Rio Grande do Sul/Brazil).…”

Section: Discussioncontrasting

confidence: 58%

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Reproductive dynamics of Lycengraulis grossidens (Clupeiformes: Engraulidae) and Platanichthys platana (Clupeiformes: Clupeidae) in a subtropical coastal lagoon

2017

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We evaluated the reproductive dynamics of two fish species, Lycengraulis grossidens and Platanichthys platana, in a subtropical freshwater coastal lagoon (Peri Lagoon) in Brazil. Samples were collected from nine sites every two months from June 2008 to April 2012. Different fishing methods were used to capture larvae, juveniles, and adults. Limnological variables were obtained using multiparameter probe. More females than males were collected of both fish species and the chi-square test (χ 2 ) was used to confirm that the sex ratio was female-biased. Large numbers of maturing and mature fishes were observed in almost every sampling month. The gonadosomatic index (GSI) of L. grossidens was the highest in August, October, and December for females and in October for males, and no significant difference was found across years. The GSI of P. platana showed no significant difference across months for either sex; however, significant differences were recorded in year three (June 2010-April 2011) and year four (June 2011-April 2012) for females and in year three (June 2010-April 2011) for males. For both species, GSI was negatively correlated with temperature and water level. L. grossidens larvae were more abundant in October 2010, showing a positive correlation with water transparency, whereas P. platana larvae were more abundant in June 2011, showing a positive correlation with water transparency and negative correlation with temperature and precipitation. Both species were represented by different stages, including larvae, which confirm that these species reproduce in Peri Lagoon. Reproduction was more pronounced in autumn and winter; however, reproductive activity was evident throughout the sampling period.In conclusion, our results show that abiotic factors strongly influence the temporal pattern of reproductive activity and larval assemblages of both L. grossidens and P. platana in Peri Lagoon, Brazil.

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Section: Discussioncontrasting

confidence: 58%

“…However, the presence of larvae in Peri Lagoon confirmed that both species experienced favorable spawning conditions and did successfully spawn. Furthermore, a parallel study in Peri Lagoon reported the larvae of both species were among the five most captured species (Ferreira et al, 2017).…”

Section: Discussionmentioning

confidence: 98%

Reproductive dynamics of Lycengraulis grossidens (Clupeiformes: Engraulidae) and Platanichthys platana (Clupeiformes: Clupeidae) in a subtropical coastal lagoon

2017

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“…Limited environmental studies have been conducted on this lagoon since the 1970s, resulting in significant gaps in our understanding of its functions (Teive et al, 2008). Regarding the ichthyofauna, only a few studies have focused on adult animals, and even fewer have investigated the distribution of fish eggs and larvae in this lagoon (Ferreira et al, 2017;Lopes et al, 2018).…”

Section: Graphical Abstractmentioning

confidence: 99%

Ichthyoplankton distribution set by different environments shapes in a coastal freshwater lagoon

Lopes,

Reynalte-Tataje,

Nuñer

2024

Acta Limnol. Bras.

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Aim This study aimed to evaluate the spatial and temporal distribution of ichthyoplankton in the Peri Lagoon, a coastal freshwater lagoon in Brazil. Methods Ichthyoplankton samples were collected every two months from June 2008 to April 2010 with 500 µm conical-cylindrical planktonic nets at five sampling stations. Results In total, 181 fish eggs and 1,315 larvae, representing estuarine and freshwater species, were captured. The most representative species were Awaous tajasica, Ctenogobius sp1, and Platanichthys platana. Significant differences were found in temporal egg distribution and larval spatiotemporal distribution (Kruskal-Wallis test, p < 0.05). Eggs were predominantly captured during the autumn, winter, and spring Neotropical seasons. Geospatial analysis demonstrated spatial segregation in the distribution of larval assemblages, with higher abundances in areas adjacent to riparian forests, following stream mouths, and deeper areas with rocky substrates. Conclusions Proximity to streams and areas surrounded by dense forests is crucial for the spawning and development of fish species in the Peri Lagoon. The findings of this study provide valuable insights into the conservation of the ichthyofauna in this unique environment.

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“…Coastal lagoons are highly productive coastal systems in the transitional area between ocean and land that provide a range of ecosystem services and habitats for many species that society values [1][2][3][4]. The tidal inlet provides the major connection from the lagoon to the open sea, and the barrier means that the lagoon becomes a semi-enclosed water [5,6].…”

Section: Introductionmentioning

confidence: 99%

Impact of Anthropogenic Activities and Sea Level Rise on a Lagoon System: Model and Field Observations

Kuang

Cong

Dong³

et al. 2021

JMSE

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The long-term geomorphological evolution of a coastal lagoon is driven by hydrodynamic forcing and is influenced by climate changes and human activities. In this study, a numerical model of the Qilihai lagoon (QL) system was established based on field measurements, previous hydrology data and satellite remote sensing measurements, to simulate the geomorphological evolution of QL from 1900 to 2018. The influences of sea level rise, runoff and human activities on the evolution of geomorphology were investigated. The results of the model show that the construction projects including the tide gate, the bridge, reclamation and the straightening or widening of the tidal channel increased the net deposition within the QL system. Furthermore, the spatial distribution of tidal asymmetry during the natural time period was similar to that of the change in bed thickness. However, bed erosion or deposition was not only dependent on tidal asymmetry but it was also affected by the external sediment supply and the discharge of upstream rivers. Moreover, sea level rise had a significant effect on the tidal asymmetry; therefore, it enhanced the accumulation of sediments in the QL system, while runoff had little effect on the tidal asymmetry or geomorphological changes in the system.

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Structure and diversity of fishes in a freshwater and coastal subtropical lagoon

Cited by 7 publications

References 46 publications

Reproductive dynamics of Lycengraulis grossidens (Clupeiformes: Engraulidae) and Platanichthys platana (Clupeiformes: Clupeidae) in a subtropical coastal lagoon

Reproductive dynamics of Lycengraulis grossidens (Clupeiformes: Engraulidae) and Platanichthys platana (Clupeiformes: Clupeidae) in a subtropical coastal lagoon

Ichthyoplankton distribution set by different environments shapes in a coastal freshwater lagoon

Impact of Anthropogenic Activities and Sea Level Rise on a Lagoon System: Model and Field Observations

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