Seasonal and gender-related differences in morphometric features and cellular and biochemical parameters of Carcinus aestuarii from the Lagoon of Venice

Matozzo, Valerio; Boscolo, Alice; Marin, María Gabriella

doi:10.1016/j.marenvres.2013.04.007

Cited by 8 publications

(11 citation statements)

References 41 publications

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“…It is noteworthy that few published studies of the green crab morphometric variability have been carried out and they characterized mainly C. maenas (cf. Clark et al, 2001;Brian, 2005;Brian et al, 2006;Silva et al, 2009Silva et al, , 2010Matozzo et al, 2013). New insights from this study will enrich our knowledge about the sister green crab species biology, ecology and biogeography.…”

Section: Introductionmentioning

confidence: 81%

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Morphological differentiation among geographically close populations of the green crab Carcinus aestuarii Nardo, 1847 (Brachyura, Carcinidae) from the Tunisian coast

Deli

Saïd

Chatti

2014

Crustac

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In the present study, we assessed patterns of morphological variation among populations of the Mediterranean green crab Carcinus aestuarii Nardo, 1847 from the Tunisian coast. Eleven morphometric traits were measured on 464 specimens from nine sites, and the pattern of morphological variation among sites was assessed using multivariate approach. Non-parametric MANOVA (NPMANOVA) and non-metric Multidimensional Scaling (MDS) analyses revealed statistically significant differences among the studied locations for both sexes proving that natural variability of the measured traits differs clearly between locations. Canonical discriminant analysis (CDA), on the other hand, showed that over 36% of individuals could be assigned to their location of origin on the basis of their morphology. Correct assignment of individuals to their location was much higher (over 63%) when sites were combined into three regional groups and marked morphological differentiation was found in both sexes. A positive correlation was noted between the squared Mahalanobis distances () and the geographic distances for both male and female green crab populations suggesting isolation by distance. The results obtained indicate that morphological divergence among populations of the green crab can occur over shorter distances than expected based on dispersal potential. Possible drivers of the observed pattern of morphological variation are discussed.

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Section: Introductionmentioning

confidence: 81%

“…Earlier investigations, focusing on the same theme of research, were carried out in a systematic (Clark et al, 2001) and eco-biological context (Matozzo et al, 2013).…”

Section: Discussionmentioning

confidence: 99%

Morphological differentiation among geographically close populations of the green crab Carcinus aestuarii Nardo, 1847 (Brachyura, Carcinidae) from the Tunisian coast

Deli

Saïd

Chatti

2014

Crustac

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“…However, the Parila Lagoon population was considerably different from the population analyzed in the eastern Black Sea, Turkey, where specimens showed a CW that was significantly higher than that in all Mediterranean populations, ranging from 12.5 to 85.5 mm in males and from 21 to 92 mm in females (Aydin 2013). A possible reason for this, as demonstrated by Matozzo et al (2013), is that C. aestuarii morphometric features, as well as haemolymph cellular and biochemical parameters, varied markedly as a function of both season and gender. Thus, it is expected that morphometric differences will be expressed in different geographical areas based on population density, feeding efficiency, food availability, and local environmental conditions.…”

Section: Discussionmentioning

confidence: 99%

Population Dynamics and Reproduction of Mediterranean Green Crab Carcinus aestuarii in Parila Lagoon (Neretva Estuary, Adriatic Sea, Croatia) as Fishery Management Tools

et al. 2017

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Population structure, age, growth, mortality, and reproduction patterns of the Mediterranean green crab Carcinus aestuarii were determined for the native population in Parila Lagoon (Neretva Estuary, Middle Adriatic, Croatia). The population size structure showed two distinct cohorts: (1) specimens with a carapace width of 20–34 mm and dominated by females and (2) large‐sized specimens with a carapace width > 34 mm with males significantly dominating and no females found above 46 mm. Males appeared to grow faster than females in the first and second year of the life cycle. Most of the natural mortality (70.4%) occurred during the first year of life. This indicates high predation pressure from fish and other crab species on small‐sized (less than 25 mm) C. aestuarii cohorts. The peak of ovigerous female occurrence occurred in January 2015. A very small percentage of ovigerous females appeared in June 2015. The 50% ovigerous size for the population was estimated at a carapace width of 29.65 mm and weight of 10.39 g. The average fecundity was 61,017 eggs/female, with an average fecundity per gram of female wet weight of 4,804 eggs. The biological characteristics and population dynamics of C. aestuarii show that life history traits of this species (such as the smallest and average ovigerous female size, the mortality rate during the first year of life or the establishment of a second year, and a late‐spring reproduction period) should be used to monitor potential changes in ecosystem properties of Mediterranean transitional waters and to manage potential fisheries.

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“…Bivalve Immune parameters Bivalve (Alix et al, 2013) Bivalves (Duchemin et al, 2007); crustacean (Matozzo et al, 2013) VTG Bivalve (Matozzo et al, …”

Section: Achementioning

confidence: 99%

Individual Biomarkers

Berthet¹

2015

Aquatic Ecotoxicology

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Seasonal and gender-related differences in morphometric features and cellular and biochemical parameters of Carcinus aestuarii from the Lagoon of Venice

Cited by 8 publications

References 41 publications

Morphological differentiation among geographically close populations of the green crab Carcinus aestuarii Nardo, 1847 (Brachyura, Carcinidae) from the Tunisian coast

Morphological differentiation among geographically close populations of the green crab Carcinus aestuarii Nardo, 1847 (Brachyura, Carcinidae) from the Tunisian coast

Population Dynamics and Reproduction of Mediterranean Green Crab Carcinus aestuarii in Parila Lagoon (Neretva Estuary, Adriatic Sea, Croatia) as Fishery Management Tools

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