Distribution patterns of macrofaunal polychaete assemblages in a polluted semi-enclosed bay: Cienfuegos, Caribbean Sea

Helguera, Yusmila; Díaz-Asencio, Lisbet; Fernández-Garcés, Raúl; Gómez-Batista, Miguel; Guillén, Aniel; Díaz-Asencio, Misael; Armenteros, Maickel

doi:10.1080/17451000.2011.569552

Cited by 10 publications

(9 citation statements)

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“…The distribution patterns of the macrofaunal polychaete assemblages in Cienfuegos Bay have been previously explained by the synergistic effect of low hydrodynamics and the hypoxia derived from organic enrichment (Helguera et al, 2011). The low dissolved oxygen levels impair directly the survival capacity of the macrofauna (Díaz & Rosenberg, 1995;Seitz et al, 2009).…”

Section: Discussionmentioning

confidence: 99%

“…It is representative of other muddy-deep areas in the bay as suggested by previous studies of our research group (e.g. Díaz-Asencio et al, 2009;Helguera et al, 2011). This makes the drawn inferences useful to understand the temporal dynamics of hypoxia and macrofauna response in the soft-bottoms of this system even though we examined only a single site.…”

Section: Study Zonementioning

confidence: 96%

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Two-year temporal response of benthic macrofauna and sediments to hypoxia in a tropical semi-enclosed bay (Cienfuegos, Cuba)

Díaz-Asencio

Helguera

Fernández-Garcés

et al. 2016

RBT

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Abstract:Hypoxia is the depletion of dissolved oxygen below 2 mg O 2 /L. Relatively few studies on hypoxia and its effects on benthic macrofauna have been done in tropical marine ecosystems. This study describes the temporal response of the water column, sediments and macrofauna to seasonal hypoxia in a semi-enclosed bay (Cienfuegos, Caribbean Sea). The Calisito site was sampled monthly from June 2010 until February 2012, yielding 21 sampling times. At each sampling event water and sediment samples were collected for measuring the abiotic variables (temperature, salinity, dissolved oxygen, nutrients, redox potential discontinuity, silt/clay and organic matter content) and macrofauna (abundance and species richness). Temperature and surface salinity followed a typical temporal pattern during the summer/rainy and the winter/dry periods. Salinity stratification occurred in the rainy period, lasting three months in 2010 and six months in 2011. The bottom water dissolved oxygen indicated hypoxic and anoxic events during the wet periods of 2010 and 2011 associated with salinity stratification, low hydrodynamics and oxidation of the accumulated organic matter. Over the study period, 817 individuals were collected and identified. Polychaetes were the dominant group in terms of abundance (57 % of total) followed by mollusks (41%). Hypoxia (and occasionally anoxia) caused strong deleterious effects on the abundance and species richness of macrofaunal communities in the study site. The most abundant polychaetes were opportunistic species with high tolerance to hypoxic conditions: Prionospio steenstrupi, Polydora sp.and Paraprionospio pinnata. Most of them colonized relatively fast once hypoxia ended. Persistent species such as Caecum pulchellum and Parvanachis obesa were present during hypoxia with fluctuating densities and apparently recover to higher abundances when normoxic conditions are re-established. Macoma tenta and Tellina consobrina colonized approximately 1-2 months later than the first polychaete peak during normoxia. Probably, the deleterious effects of hypoxia on the macrofauna were intensified by negative interspecific relationships such as competition by suitable space and predation. The recolonization of macrofauna depended possibly on local transport by currents within the bay because the connection with the Caribbean Sea is relatively limited. In summary, seasonal hypoxia in Cienfuegos Bay influences the water and sediment geochemistry and reduces both the abundance and diversity of macrofauna. Rev. Biol. Trop. 64 (1): 177-188. Epub 2016 March 01.

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Section: Discussionmentioning

confidence: 99%

Section: Study Zonementioning

confidence: 96%

Two-year temporal response of benthic macrofauna and sediments to hypoxia in a tropical semi-enclosed bay (Cienfuegos, Cuba)

Díaz-Asencio

Helguera

Fernández-Garcés

et al. 2016

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“…Also, it could reflect the natural and anthropogenic pressures that the Cienfuegos Bay has suffered. According to Helguera et al (2011), high organic enrichment and heavy metal concentrations in sediments have been reported in this semi-enclosed bay of low hydrodynamic regime and high sedimentation rates (Alonso-Hernández et al, 2006). Also, the sink and decay of algal blooms contribute to eutrophication and oxygen depletion in bottom waters (Ferreira et al, 2011;Glibert et al, 2005).…”

Section: Physic-chemical Conditionsmentioning

confidence: 99%

“…Several rivers flow towards the bay, forming an estuarine system (Seisdedo & Muñoz, 2005). Up to now, only a few biological studies have been carried out in the area, mainly concerning seaweeds, meio and macrobenthos and fishing resources (Aguilar et al, 1992;Armenteros et al, 2009;Helguera et al, 2011;Moreira et al, 2006). Although the composition of phytoplankton in the Cienfuegos Bay has been reported previously (Moreira et al, 2007), the analysis of chlorophyll a concentrations as indicator of phytoplankton primary productivity (first stage of eutrophication) and nuisance and toxic algal blooms as secondary symptoms of water quality degradation remain unexplored.…”

Section: Introductionmentioning

confidence: 99%

Spatial and temporal distribution of phytoplankton as indicator of eutrophication status in the Cienfuegos Bay, Cuba

Moreira-González

Seisdedo-Losa

Muñoz-Caravaca

et al. 2014

RGCI

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An important consequence of eutrophication is the increased prevalence of harmful algal blooms that affect transitional and coastal waters, and ecosystems in open seas. In this work, data on phytoplankton biomass, presence of harmful/toxic algal blooms and bottom dissolved oxygen were analyzed as indicators of overall eutrophic condition in the Cienfuegos Bay, Cuba. Samples were collected every three months during the year 2009 at fifteen representative stations within the bay. In the dry and early rainy seasons, high chlorophyll a values, harmful/toxic dinoflagellate blooms and fish mortality episodes were encountered within riverine-urban wastewater discharge zones, whilst most part of the bay did not evidence symptoms of eutrophication. During the rainy season, some stations showed biological stress-hypoxia for the bottom water oxygen, and a strong increase in spatial dispersion was observed in the phytoplankton biomass, due to a substantial increment in not toxic diatom abundance, resulting in a moderate level of eutrophic conditions for chlorophyll a in the entire bay. The key factor that supports the seasonal variation in phytoplankton composition and abundance appears to be the water residence time inside the bay.

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“…There are some exceptions, such as P. fulgens , recorded in the intertidal zone from Caribbean Sea (Helguera et al 2011), P. strelzovi in mangroves from Australia (Hartmann-Schröder 1980), and P. py goenigmatica recorded in estuarine areas from Brazil (Barros et al 2001). Paraonis amazonica sp.…”

Section: Taxonomymentioning

confidence: 99%

A new species of Paraonis and an annotated checklist of polychaetes from mangroves of the Brazilian Amazon Coast (Annelida, Paraonidae)

Ribeiro¹,

Alves²,

Almeida³

et al. 2018

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The polychaete fauna from the mangroves of the Amazon Coast in Maranhão state, Brazil, is reported in this study. Fourteen species are listed, namely Alitta succinea (Leuckart, 1847); Arabella (Arabella) iricolor Montagu, 1804; Capitella capitata (Fabricius, 1780) complex; Exogone (Exogone) breviantennata Hartmann-Schröder, 1959; Heteromastus filiformis (Claparède, 1864); Isolda pulchella Müller, 1858; Mediomastus californiensis Hartman, 1944; Namalycastis fauveli Nageswara Rao, 1981; Namalycastis geayi (Gravier, 1901); Namalycastis senegalensis (Saint-Joseph, 1901); Nephtys simoni Perkins, 1980; Paraonis amazonica sp. n.; Sigambra bassi (Hartman, 1945); and Sigambra grubii Müller, 1858. Among them, Namalycastis fauveli and Namalycastis geayi are recorded for the first time in Brazil. Paraonis amazonica sp. n. is a new species for science, characterized by a rounded prostomium, 4–8 pairs of foliaceous branchiae, absent eyes, and two types of modified neurochaetae, acicular and hook-shaped.

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Distribution patterns of macrofaunal polychaete assemblages in a polluted semi-enclosed bay: Cienfuegos, Caribbean Sea

Cited by 10 publications

References 42 publications

Two-year temporal response of benthic macrofauna and sediments to hypoxia in a tropical semi-enclosed bay (Cienfuegos, Cuba)

Two-year temporal response of benthic macrofauna and sediments to hypoxia in a tropical semi-enclosed bay (Cienfuegos, Cuba)

Spatial and temporal distribution of phytoplankton as indicator of eutrophication status in the Cienfuegos Bay, Cuba

A new species of Paraonis and an annotated checklist of polychaetes from mangroves of the Brazilian Amazon Coast (Annelida, Paraonidae)

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