Reproduction and population structure of the sea cucumber Holothuria tubulosa in the Dardanelles Strait (Turkey)

This study investigated Holothuria tubulosa, Gmelin 1791 in the Dardanelles Strait from April 2013 to March 2014, in order
to outline the morphological characteristics, reproductive patterns and the relationship between population characteristics and
environmental parameters. 15 to 30 individuals of this species were sampled monthly at three stations. There was a negative allometry
between length and weight, with gutted weight being the most reliable measurement for this species. The reproductive
patterns of the species were identified for the first time for examples from the Turkish coast. By macroscopic examination of the
gonads, the smallest sizes (gutted length) were measured as 8.4 and 8.1 cm for the female and male, respectively. The sex ratio
(female: male) was calculated as 1: 1.1 with differences between seasons. Reproduction of sea cucumbers occurred between August
and September after Gonadosomatic Index (GSI) values reached their maximum in July. The species was found at up to a 10
m depth with a population density of 0.21 / m2, which was rather low compared to previously reported values for Mediterranean
populations of this species. There was a high positive correlation between population density and GSI of the species. The highest
population density was observed where the largest sea grass meadows are found.

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Eser Adı
(dc.title)
Reproduction and population structure of the sea cucumber Holothuria tubulosa in the Dardanelles Strait (Turkey)
Eser Sahibi
(dc.contributor.author)
MEHMET ÇULHA
Eser Sahibi
(dc.contributor.author)
HAKKI DERELİ
Eser Sahibi
(dc.contributor.author)
SANİYE TÜRK ÇULHA
Yayın Tarihi
(dc.date.issued)
2016
Diğer Yazarlar
(dc.contributor.authors)
HASAN BARIŞ ÖZALP
Diğer Yazarlar
(dc.contributor.authors)
AHMET ADEM TEKİNAY
Yayıncı
(dc.publisher)
Mediterranean Marine Science
Tür
(dc.type)
Makale
Açıklama
(dc.description)
Kaynakça var.
Özet
(dc.description.abstract)
This study investigated Holothuria tubulosa, Gmelin 1791 in the Dardanelles Strait from April 2013 to March 2014, in order to outline the morphological characteristics, reproductive patterns and the relationship between population characteristics and environmental parameters. 15 to 30 individuals of this species were sampled monthly at three stations. There was a negative allometry between length and weight, with gutted weight being the most reliable measurement for this species. The reproductive patterns of the species were identified for the first time for examples from the Turkish coast. By macroscopic examination of the gonads, the smallest sizes (gutted length) were measured as 8.4 and 8.1 cm for the female and male, respectively. The sex ratio (female: male) was calculated as 1: 1.1 with differences between seasons. Reproduction of sea cucumbers occurred between August and September after Gonadosomatic Index (GSI) values reached their maximum in July. The species was found at up to a 10 m depth with a population density of 0.21 / m2, which was rather low compared to previously reported values for Mediterranean populations of this species. There was a high positive correlation between population density and GSI of the species. The highest population density was observed where the largest sea grass meadows are found.
Kayıt Giriş Tarihi
(dc.date.accessioned)
2017-04-20
Açık Erişim Tarihi
(dc.date.available)
2017-04-20
Yayın Dili
(dc.language.iso)
eng
Konu Başlıkları
(dc.subject)
Holothuria tubulosa
Konu Başlıkları
(dc.subject)
Gonadosomatic index (GSI)
Konu Başlıkları
(dc.subject)
Population structure
Konu Başlıkları
(dc.subject)
Dardanelles strait
Atıf için Künye
(dc.identifier.citation)
DERELİ, H., TÜRK ÇULHA, S., ÇULHA, M., ÖZALP, B. H., & TEKİNAY, A. A. (2015). Reproduction and population structure of the sea cucumber Holothuria tubulosa in the Dardanelles Strait, Turkey. Mediterranean Marine Science, 17(1), 47–55. https://doi.org/10.12681/mms.1360
ISSN
(dc.identifier.issn)
1108-393X
Yayının ilk sayfa sayısı
(dc.identifier.startpage)
47
Yayının son sayfa sayısı
(dc.identifier.endpage)
55
Dergi Adı
(dc.relation.journal)
Mediterranean Marine Sciences
Dergi Sayısı
(dc.identifier.issue)
1
Dergi Cilt
(dc.identifier.volume)
17
DOI Numarası
(dc.identifier.doi)
10.12681/mms.1360
Haklar
(dc.rights)
Open access
Tek Biçim Adres
(dc.identifier.uri)
Http://hdl.handle.net/11469/563
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