Life cycle, secondary production and nutrient stock in Heleobia australis (d'Orbigny 1835) (Gastropoda: Hydrobiidae) in a tropical coastal lagoon

Figueiredo‐Barros, Marcos Paulo; Leal, João José Fonseca; Esteves, Francisco de Assis; Rocha, Adriana de Melo; Bozelli, Reinaldo Luiz

doi:10.1016/j.ecss.2006.03.023

Cited by 29 publications

(21 citation statements)

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“…Sediment and benthic invertebrates were collected near the littoral region of Imboassica lagoon (22°50′S, 44°42′W), a tropical, shallow, eutrophic, coastal freshwater ecosystem located in Rio de Janeiro State, Brazil (Caliman et al 2010b). The sediment at the sampling site is highly organic, with mean total C, N, P and organic matter concentrations of 15.45, 2.06, 0.13 and 62.84 mg g −1 , respectively (Figueiredo‐Barros et al 2006).…”

Section: Methodsmentioning

confidence: 99%

Bioturbating space enhances the effects of non‐additive interactions among benthic ecosystem engineers on cross‐habitat nutrient regeneration

Caliman

Carneiro

Bozelli

et al. 2011

Oikos

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Understanding the mechanisms that drive complementary interactions among species is key to the progress of the debate over the role of biodiversity in ecosystem functioning. In addition, interspecifi c interactions among physical ecosystem engineers have rarely been framed in the context of biodiversity experiments. Here, we provide an empirical test of how the physical niche space of species infl uences the eff ects of the biodiversity of bioturbators on cross-habitat nutrient fl uxes in benthic sediments. In the laboratory, we orthogonally manipulated the number and composition of three benthic invertebrate bioturbator species that diff er in the dimensions of their bioturbating space niche; i.e. their vertical distribution in the sediment over a gradient of sediment depth and volume. Th e ammonium (NH 4 -N) fl ux from the sediment to the water was positively related to bioturbator species richness only in the sediments with the deepest depth and greatest volume. Th e non-additive eff ects of bioturbator species richness on the benthic -pelagic NH 4 -N fl ux increased linearly with sediment depth and volume, but only in the three-species mixtures. Furthermore, no individual species dominated the rates of NH 4 -N fl uxes, indicating that biodiversity eff ects were mainly driven by complementarity. Th ese results suggest that sediment bioturbating space mediates the magnitude of non-additive eff ects among the three invertebrate species and sheds light on the importance of physical niche space in modulating the positive eff ects of biodiversity on ecosystem functioning.

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Section: Methodsmentioning

confidence: 99%

Bioturbating space enhances the effects of non‐additive interactions among benthic ecosystem engineers on cross‐habitat nutrient regeneration

Caliman

Carneiro

Bozelli

et al. 2011

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“…Recruits grew rapidly during the first months of life, and after the first, second, and third years of life they reached an average shell size of 3, 5, and 7 mm, respectively. In Mar Chiquita (37º S), recruits reached a shell size of 3 mm in about six months (De Francesco and Isla 2004), while in Imboassica Lagoon (22º S), H. australis obtained a shell size of 4 to 5 mm in less than one year (Figueiredo-Barros et al 2006). The maximum shell size (L INF ) derived from the growth model for H. australis in the Bahía Blanca estuary was 7.07 mm, coinciding with the maximum size measurement (7.39 mm).…”

Section: Discussionmentioning

confidence: 99%

“…Long-term studies that include biological interactions and spatial features of the microhabitats are needed to elucidate patterns in life-history traits of H. australis along its distribution range. los reclutas alcanzaron tallas de 3 mm en alrededor de seis meses (De Francesco e Isla 2004), y en la laguna Imboassica (22º S), H. australis alcanzó tallas de 4 a 5 mm en menos de un año (Figueiredo-Barros et al 2006). El máximo tamaño de conchilla (L INF ) derivado del modelo de crecimiento de H. australis en el estuario de Bahía Blanca fue de 7.07 mm, coincidiendo con el máximo tamaño medido (7.39 mm).…”

Section: Discussionunclassified

“…A sampling site of 1 ha with tidal flats, marshes, and rocky outcrops was selected because of its accessibility from the coast. In this area, every two months, twelve samples were constituye un eslabon importante en las redes tróficas costeras, ya que constituye un ítem alimenticio de peces y crustáceos de interés comercial (Figueiredo-Barros et al 2006).…”

Section: Methodsmentioning

confidence: 99%

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Long-term study of the life cycle and growth of Heleobia australis (Caenogastropoda, Cochliopidae) in the Bahía Blanca estuary, Argentina

Carcedo

Fiori

2012

Cienc. Mar.

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ABSTRACT. The life cycle and growth of the mud-snail Heleobia australis was studied in the Bahía Blanca estuary (Argentina) from April 2008 to April 2010. Four age classes were identified. This species recruits once a year, during summer. In general, the recruits (< 2.5 mm) represented a small percentage of the total population. The growth rate of H. australis declined with increasing animal size and showed a marked seasonal pattern for the population under study: lower rate during winter and higher rate in summer. A life cycle of approximately 30 months (~2.5 years) was estimated for the population of H. australis in the Bahía Blanca estuary. This population shows variations in growth rate, abundance of recruits, and shell size in relation to more northerly populations. Several factors like parasitism, predation, environmental features, and anthropogenic action may be interacting to produce these differences. This work constitutes the first long-term study of the life cycle of cochliopids. Heleobia australis appears to be a long-lived species and exhibits variations in its life cycle that seem to be influenced by biological and physical variables. Long-term studies that include biological interactions and spatial features of the microhabitats are needed to elucidate patterns in life-history traits of H. australis along its distribution range.Key words: Bahía Blanca estuary, Cochliopidae, growth, shell size. RESUMEN.El crecimiento y ciclo de vida del caracol Heleobia australis fue estudiado en el estuario de Bahía Blanca (39º S, Argentina) de abril de 2008 a abril de 2010. Cuatro clases de edad fueron identificadas. Esta especie recluta una vez al año, durante el verano. En general, los reclutas (< 2.5 mm) representan un pequeño porcentaje de la población total. La tasa de crecimiento de H. australis declinó con el incremento del tamaño del animal y mostró un marcado patrón estacional: baja tasa de crecimiento durante el invierno y alta tasa de crecimiento durante el verano. Se estimó un ciclo de vida de aproximadamente 30 meses (~2.5 años) para la población de H. australis en el estuario de Bahía Blanca. Esta población mostró variaciones en las tasas de crecimiento, la abundancia de reclutas y el tamaño de la conchilla en relación con las poblaciones localizadas al norte. Varios factores como parasitismo, depredación, características ambientales y la acción antropogénica pueden estar interactuando para producir las diferencias observadas. Este trabajo constituye el primer estudio a largo plazo del ciclo de vida de cocliópidos. Heleobia australis parece ser una especie longeva y muestra variaciones en su ciclo de vida que parecen estar influenciadas por variables físicas y biológicas. Estudios a largo plazo que incluyan interacciones biológicas y características espaciales de los microhábitats son necesarios para dilucidar patrones en la historia de vida de H. australis a lo largo de su inervalo de distribución.Palabras clave: estuario de Bahía Blanca, Cochliopidae, crecimiento, tamaño de la conchilla.

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“…Natural sandbar openings have not been documented during the last five decades and are unlikely to occur because of the high rates of deposition of sand from the ocean (Muehe D., personal communication). Therefore, environmental variability originating from man-made sandbar openings may no longer be considered to be a predictable natural disturbance for most of the current resident biota in the Imboassica lagoon (Figueiredo-Barros et al 2006;Branco et al 2007;Santangelo et al 2007) as has been observed in other Neotropical coastal lagoons.…”

Section: Study Areasmentioning

confidence: 99%

Interactive effects of environmental variability and human impacts on the long-term dynamics of an Amazonian floodplain lake and a South Atlantic coastal lagoon

et al. 2009

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Life cycle, secondary production and nutrient stock in Heleobia australis (d'Orbigny 1835) (Gastropoda: Hydrobiidae) in a tropical coastal lagoon

Cited by 29 publications

References 28 publications

Bioturbating space enhances the effects of non‐additive interactions among benthic ecosystem engineers on cross‐habitat nutrient regeneration

Bioturbating space enhances the effects of non‐additive interactions among benthic ecosystem engineers on cross‐habitat nutrient regeneration

Long-term study of the life cycle and growth of Heleobia australis (Caenogastropoda, Cochliopidae) in the Bahía Blanca estuary, Argentina

Interactive effects of environmental variability and human impacts on the long-term dynamics of an Amazonian floodplain lake and a South Atlantic coastal lagoon

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