Population structure, length-weight relationship and growth of white seabream, <i>Diplodus sargus sargus</i>
 (Linneaus, 1758), in Beymelek Lagoon, Turkey

Balik, İsmet; Emre, Yılmaz

doi:10.1111/jai.13075

Cited by 6 publications

(5 citation statements)

References 19 publications

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“…A longer L∞ for males than females was observed, contrary to the study by Martinez-Pastor & Villegas-Cuadros (1996) in the Cantabrian Sea. On the other hand, the K values were similar to the studies in Spain, Gulf of Lion, Turkey, North Sinai and Abu Qir bay, Egypt (Gordoa & Molí, 1997;Mahmoud et al, 2010b;Al-Beak et al, 2015;Balık & Emre, 2016;Man-Wai and Quignard, 1982) and higher than those in Algeria (Benchalel & Kara, 2013) indicating a slower growth in this area. In each of the Diplodus species, the calculated values for Ф' were however fairly similar indicating that such values are characteristic of the species (Mouine et al, 2010).…”

Section: Discussionsupporting

confidence: 83%

Population Structures of the Two Banded Seabream, Diplodus vulgaris and the White Seabream, Diplodus sargus Reveal New Records in Maximal Age

Darmanin¹,

Karakulak²,

Vella³

2019

Natural and Engineering Sciences

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The common two-banded seabream Diplodus vulgaris and Diplodus sargus were sampled from non-commercial fishing catches around the Maltese Islands between July 2012 and December 2017. A total of 1550 (D. vulgaris N=1204, D. sargus N=346) specimens were collected. In this study, age, growth, length-weight relationship (LWR), condition factor (K) and relative condition factor (Kn) were investigated. Ages ranged from 0 to 17 years for D. sargus and 0 to 16 years for D. vulgaris. A positive allometric growth was observed for D. sargus while growth in D. vulgaris was isometric. Average Kn was found to be 0.99 and 1.01 in D. vulgaris and 0.97 and 1.00 in D. sargus for males and females respectively. The growth parameters of the von Bertalanffy equation were: L∞=26.71 and 30.86 cm, K= 0.275 and 0.286 year-1 and tₒ =-2.27 and-1.61 year for all individuals of D. vulgaris and D. sargus respectively. This study is the first reference on the LWR equation parameters, Kn, K and Age for these species around the Maltese Islands and establishes a new maximum age for D. vulgaris of 16 years.

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Section: Discussionsupporting

confidence: 83%

Population Structures of the Two Banded Seabream, Diplodus vulgaris and the White Seabream, Diplodus sargus Reveal New Records in Maximal Age

Darmanin¹,

Karakulak²,

Vella³

2019

Natural and Engineering Sciences

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“…It is thought that this may be due to the difference in the method used during age reading or the faster growth on the Egyptian coast. In the study carried out in our country, Balık and Emre (2016) reported that the age distribution in the length range of 13-16 cm TL in Beymelek Lagoon was 0-3 years old. In this study, it was determined that the length of the youngest individual aged 3 years was 18.5 cm TL (Table 5).…”

Section: Resultsmentioning

confidence: 86%

“…Ayyıldız and Altın (2020) studied the daily growth of juvenile white seabream, Balık and Emre (2016) determined the age and growth of specimens with a total length of 13-16 cm from Beymelek Lagoon, southwest of Turkey. Some valuable literature on age, growth and feeding of white seabream has been published from Algeria, Portugal, Western and Eastern Mediterranean (Lloret and Planes, 2003;Benchalel and Kara, 2013;Al-Beak et al, 2015;Paiva et al, 2018;Boufekane et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

Some biological aspects of White seabream, Diplodus sargus (Linnaeus, 1758) from the northeastern Aegean Sea, Türkiye

Daban,

İşmen,

İhsanoğlu

2024

EgeJFAS

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In the study, the age, growth, mortality parameters and length-weight relationship parameters of Diplodus sargus (white seabream) collected by a small-scale fisherman between August 2020 and July 2021 along the northeastern coast of Aegean Sea (Türkiye coast), were investigated. D. sargus had a range of total length and weight from 14.3 cm to 36.7 cm and from 50.5 g to 836.5 g, respectively. The length-weight relationships (LWRs) were calculated as W=0.02368*L2.881 for females, W = 0.01847*L2.959 for males and W = 0.01989*TL2.936 for both sexes. Using data from fish scales, the maximum age was determined to be 11 years. von Bertalanffy growth parameters have been calculated as follows L∞=39.01 cm TL, K=0.13 year-1, and t0= -2.58 year for both sexes combined. Total (T), natural (N) and fishing (F) mortalities were defined as Z: 0.83 year-1, M: 0.33 year-1 and F: 0.50 year-1 for both sexes combined. The exploitation rate (E) was calculated as 0.70, 0.44 and 0.60 for females, males and combined, respectively.

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“…In the Bardawil Lagoon, Salem (2011) estimated the age, growth and population biology of gilthead seabream Sparus aurata. The length-weight relationship and population Dynamic of seabream but of other genus Diplodus sargus were also studied by Mahmoud et al (2010), Benchalel and Kara (2013), Al-Beak (2015) and Balik and Emre (2016) in Abu Qir Bay-Egypt, eastern coast of Algeria, Coast of North Sinai and Beymelek Lagoon of Turkey, respectively.…”

Section: Introductionmentioning

confidence: 90%

Some biological aspects and population dynamics of the gilthead sea bream from Bardawil lagoon, Sinai, Egypt.

Al-Zahaby¹,

El-drawany²,

Mahmoud³

et al. 2018

Egypt. J. of Aquatic Biolo. and Fish.

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Sea bream Bardawil Lagoon A total of 856 gilthead sea bream, Sparus aurata (Linnaeus, 1758), was collected from different landing sites of Bardawil Lagoon between October 2011 to September 2012, in order to investigate its population dynamics. The age distribution covered age groups 0 to IV. Total length ranged from 10 to 34.2 cm while total weight varied from 10.8 to 568 g. The length-weight relationship parameters were a = 0.0146 and b = 3.0062. The estimated parameters of the von Bertalanffy growth function (VBGF) in length were K = 0.370 year-1 , L∞ = 39.17 cm and t o =-0.65 years. The estimated total length at first capture (Lc) was 12.85 cm, while the total length at 50% maturity (Lm) was 22.7cm. The rates of total mortality (Z), natural mortality (M) and fishing mortality (F) were 1.085, 0.394 and 0.691 year-1 , respectively. The exploitation ratio (E) was estimated as 0.637, so the finding result revealed that the stock of S. aurata in Bardawil Lagoon is heavily exploited.

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Population structure, length-weight relationship and growth of white seabream, Diplodus sargus sargus (Linneaus, 1758), in Beymelek Lagoon, Turkey

Cited by 6 publications

References 19 publications

Population Structures of the Two Banded Seabream, Diplodus vulgaris and the White Seabream, Diplodus sargus Reveal New Records in Maximal Age

Population Structures of the Two Banded Seabream, Diplodus vulgaris and the White Seabream, Diplodus sargus Reveal New Records in Maximal Age

Some biological aspects of White seabream, Diplodus sargus (Linnaeus, 1758) from the northeastern Aegean Sea, Türkiye

Some biological aspects and population dynamics of the gilthead sea bream from Bardawil lagoon, Sinai, Egypt.

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