Seasonal variability in somatic and reproductive investment of the bivalve Scrobicularia plana (da Costa, 1778) along a latitudinal gradient

Santos, Sílvia; Cardoso, Joana; Carvalho, Célia Cristina de Aguiar; Luttikhuizen, Pieternella C.; Veer, Henk W. van der

doi:10.1016/j.ecss.2010.12.005

Cited by 27 publications

(13 citation statements)

References 73 publications

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“…This has 2 possible explanations: (1) adults with recuperating gonads after spawning events, or (2) After microscopic analysis, the smear sample was carefully added to the remaining GD tissues and dry mass (DM) was determined to the nearest 0.01 mg for both GD and somatic tissues by drying for 48 h at 60°C. To follow allocation in somatic versus GD mass, the somatic mass index (SMI) and the gonadal mass index (GMI) were estimated as the DM of the soma or GD, respectively, divided by a proxy of shell volume calculated as L × H × T to allow comparison between animals of different sizes (Santos et al 2011).…”

Section: Body Mass and Reproductive Cyclementioning

confidence: 99%

“…In order to determine body condition, the body mass index (BMI) was calculated as the total body DM (soma + GD) divided by L × H × T (Honkoop & Beukema 1997, Santos et al 2011.…”

Section: Body Mass and Reproductive Cyclementioning

confidence: 99%

“…Two of the main exogenous factors commonly cited as reproductive timing cues in heterotrophic bivalves are temperature and particulate organic food availability (Sastry 1979, MacDonald & Thompson 1986, Santos et al 2011.…”

Section: Introductionmentioning

confidence: 99%

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Nutritional and reproductive strategies in a chemosymbiotic bivalve living in a tropical intertidal seagrass bed

Geest¹,

Sall²,

Ely³

et al. 2014

Mar. Ecol. Prog. Ser.

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Section: Body Mass and Reproductive Cyclementioning

confidence: 99%

“…In order to determine body condition, the body mass index (BMI) was calculated as the total body DM (soma + GD) divided by L × H × T (Honkoop & Beukema 1997, Santos et al 2011.…”

Section: Body Mass and Reproductive Cyclementioning

confidence: 99%

See 1 more Smart Citation

Nutritional and reproductive strategies in a chemosymbiotic bivalve living in a tropical intertidal seagrass bed

Geest¹,

Sall²,

Ely³

et al. 2014

Mar. Ecol. Prog. Ser.

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“…Latitudinal trends in the physiological performance of marine invertebrates are commonly observed (Santos et al 2011). Latitude has no environmental meaning by itself, being a proxy of annual solar energy input that translates mainly into average annual seawater temperature (Heilmayer et al 2003), but also into primary production and related parameters.…”

Section: Discussionmentioning

confidence: 99%

Age and growth in three populations of Dosinia exoleta (Bivalvia: Veneridae) from the Portuguese coast

2013

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The present study aimed at estimating the age and growth in three populations of Dosinia exoleta from the Portuguese coast (Aveiro in the north, Setúbal in the southwest and Faro in the south). Two techniques were compared to ascertain the most suitable method for ageing D. exoleta. Growth marks on the shell surface and acetate peel replicas of sectioned shells were the techniques applied. Two hypotheses were tested: growth parameters present latitudinal variation along the Portuguese coast; growth parameters are influenced by the fishing exploitation. Shell surface rings proved inappropriate for ageing this species, whereas acetate peels provided realistic estimates of the von Bertalanffy growth parameters (K, L ? and t 0 ). A latitudinal gradient in growth rate was detected, with a clear southward increase in the growth coefficient (K) of D. exoleta (Faro [ Setúbal and Aveiro) indicating that warmer waters in southern Portugal provide optimal conditions for the growth of this species. Fishing exploitation in northern Portugal targets larger individuals and leaves behind a younger population of smaller individuals, decreasing the asymptotic shell length (L ? ) of D. exoleta from Aveiro. The overall growth performance was compared among populations of D. exoleta and with other venerid species worldwide.

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“…Kamermans et al 1992). However, as body condition of S. plana in Westerschelde is better than in Minho and similar to that of Trondheim (Santos et al 2011a), and the larger patch size and higher species diversity in Westerschelde would suggest higher interspecific competition, this does not seem to be the case. Not only do the spatial patterns of S. plana differ among sites, but also those of the other cooccurring bivalve species.…”

Section: Are Distribution Patterns Consistent Between Species?mentioning

confidence: 90%

Site-specific distribution of the bivalve Scrobicularia plana along the European coast

Santos¹,

Aarts²,

Luttikhuizen³

et al. 2012

Mar. Ecol. Prog. Ser.

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The development and maintenance of spatial patterns and the way they affect the dynamics of populations and ecosystems is a key issue in ecology. Since each individual and each species experiences the environment on a unique range of scales, it is vital to determine the spatial scales across which organisms interact with each other and the structuring influence of their environments, which can be achieved by analyzing species' distribution patterns. Here, the spatial variation in the distribution of Scrobicularia plana is described for 4 intertidal areas along the species' distributional range. Spatial autocorrelation correlograms based on Moran's coefficient reveal that while the Trondheim (Norway) population was randomly distributed, at Minho (Portugal), the Westerschelde, and the Wadden Sea (both in The Netherlands) populations were aggregated. Patch diameter varied from 150 to 1250 m, in Minho and Westerschelde, respectively; while in the Wadden Sea, patches of 4 to 10 km were detected. Comparisons of spatial patterns with those of other co-occurring bivalve species (Abra tenuis, Cerastoderma edule, and Macoma balthica) revealed that S. plana's distribution was generally patchier. The distribution of S. plana was correlated with sediment type at Westerschelde and Trondheim, but not Minho. The observed differences in distribution patterns and their correlation with environmental factors reveal that spatial patterns of S. plana are site-specific rather than species-specific.

show abstract

Seasonal variability in somatic and reproductive investment of the bivalve Scrobicularia plana (da Costa, 1778) along a latitudinal gradient

Cited by 27 publications

References 73 publications

Nutritional and reproductive strategies in a chemosymbiotic bivalve living in a tropical intertidal seagrass bed

Nutritional and reproductive strategies in a chemosymbiotic bivalve living in a tropical intertidal seagrass bed

Age and growth in three populations of Dosinia exoleta (Bivalvia: Veneridae) from the Portuguese coast

Site-specific distribution of the bivalve Scrobicularia plana along the European coast

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