Sexual reproduction of the invasive green alga Caulerpa racemosa var. occidentalis in the Mediterranean Sea (CROSBI ID 97782)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Panayotidis, Panayotis ; Žuljević, Ante
engleski
Sexual reproduction of the invasive green alga Caulerpa racemosa var. occidentalis in the Mediterranean Sea
Since the beginning of the 90s, a pan-tropical species Caulerpa racemosa var. occidentalis has been recorded on the numerous new locations throughout the Mediterranean specially on its north-western part where until then it has never been observed. Such extensive spreading is probably supported by successful sexual reproduction. Field observations of fertile plants and synchronous gamete release of C. racemosa var. occidentalis were carried out in Saronikos Gulf (Greece, Aegean Sea) at the beginning of July 1999. The fertile plants were detected due to reticulate depigmented protoplasmic masses and cylindrical papillae. The alga is monoecious. The both sex gametes were released synchronously from all the fertile plants approximately 14 min before sunrise and formed a green gamete cloud. Although both sex gametes were present, low gamete compatibility was noted during the laboratory examination.
Caulerpa racemosa var. occidentalis; Mediterranean; sexual reproduction
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