HISTOLOGICAL STUDY OF REPRODUCTION INDICES IN DYSIDEA FRAGILIS SPECIES (PHYLUM: PORIFERA)

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DERAKHSHESH NEGIN; SAVARI AHMAD; DOUSTSHENAS BABAK; DEHGHAN MADISEH SIMIN; DORAGHI ABDOLMAJID

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Journal: Journal of Oceanography Year:2014 | Volume:4 | Issue:16 Page(s): 85-93

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Title

HISTOLOGICAL STUDY OF REPRODUCTION INDICES IN DYSIDEA FRAGILIS SPECIES (PHYLUM: PORIFERA)

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Keywords

SPONGEQ2

HISTOLOGYQ2

CELL REPRODUCTIONQ2

DYSIDEA FRAGILISQ2

PERSIAN GULFQ2

Abstract

SPONGEs are one of the most important resources in marine natural productions. Therefore, it is essential to study their reproductive biology for protection and management of these species in aquatic ecosystemes. Despite broad biological knowledge, the role of reproduction in the structuring and maintenance of SPONGE population is limited. For this purpose, we studied reproductive biology of SPONGE (Dysidea fragilis) over a year. Samples were collected by diving in artificial reefs (12M) in Bahrakan, located in Northwest of the PERSIAN GULF. The samples were fixed in methanol, rinsing in 70% ethanol and run through an alcohols and xylene sequence. Paraffin blocks were made and serial 5 mm microtome sections were stained with H&P. The sea water temperature appears to play a fundamental role in the SPONGE reproductive process. The results showed that the onset and progression of reproduction in DYSIDEA FRAGILIS coincided with water temperature and photoperiod. Synchronized, spermatocyties and Oogenesis were present in the spongocell. Oogenesis and spermatocyties occurred from least autumn and the maximum sizes over the sampling period were 18.24±8.11 and 8.47±5.11 mm (mean±SE), respectively. Maximum size in emberyo was 75.302±0.05. As SPONGEs are now recognized as one of the richest sources of marine natural productions, understanding the reproductive biology of them is essential for the effective management and conservation of the organisms population.

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APA: Copy

DERAKHSHESH, NEGIN, SAVARI, AHMAD, DOUSTSHENAS, BABAK, DEHGHAN MADISEH, SIMIN, & DORAGHI, ABDOLMAJID. (2014). HISTOLOGICAL STUDY OF REPRODUCTION INDICES IN DYSIDEA FRAGILIS SPECIES (PHYLUM: PORIFERA). JOURNAL OF OCEANOGRAPHY, 4(16), 85-93. SID. https://sid.ir/paper/158107/en

Vancouver: Copy

DERAKHSHESH NEGIN, SAVARI AHMAD, DOUSTSHENAS BABAK, DEHGHAN MADISEH SIMIN, DORAGHI ABDOLMAJID. HISTOLOGICAL STUDY OF REPRODUCTION INDICES IN DYSIDEA FRAGILIS SPECIES (PHYLUM: PORIFERA). JOURNAL OF OCEANOGRAPHY[Internet]. 2014;4(16):85-93. Available from: https://sid.ir/paper/158107/en

IEEE: Copy

NEGIN DERAKHSHESH, AHMAD SAVARI, BABAK DOUSTSHENAS, SIMIN DEHGHAN MADISEH, and ABDOLMAJID DORAGHI, “HISTOLOGICAL STUDY OF REPRODUCTION INDICES IN DYSIDEA FRAGILIS SPECIES (PHYLUM: PORIFERA),” JOURNAL OF OCEANOGRAPHY, vol. 4, no. 16, pp. 85–93, 2014, [Online]. Available: https://sid.ir/paper/158107/en

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