Caulerpa mexicana is quite a common algae in the Israeli coast. It can be found almost all the year round in Rosh Hanikra, Habonim, and in between. Sometimes the main front disappears, but the plant appears again on the same place.
Rayss Rayss, in her work on the Caulerpas, describe some dichotomic type of Caulerpa mexicana, there are specimens still kept in Jerusalem Herbarium, but I had never seen any dichotomic Caulerpa mexicana in nature yet.
Since sometimes Caulerpa taxifolis looks like Caulerpa mexicana and the two spices are very close, Caulerpa taxifolia plants, the subspecies that looks like Caulerpa mexicana can very easily hide in a big stand of Caulerpa mexicana.
A special attention should be paid while watching Caulerpa mexicana communities.
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Last years observations that we have of Caulerpa mexicana are mostly from the northern part of the country but Rayss had found it in Gaza, Ashcalon and Tel Aviv areas as well. It might be that the habitats were damaged or that they disappeared for other reasons. Since there is less research in the South of the country then in the North, it might still be there and not detected.
Mayhoub,Mayhoub, Brown ex Turner C. The plant is still present at the coast. Usually found in the northern part of the country, every year on the same place.
Edelsteinand Tom had found Caulerpa scalpelliformis in deep waters. Edelstein described the plants from all kind of habitats all around the year, at depth of 20 to 80 meters.
Both, Edelstien and Tom, described it covered with epiphytes, from the Porifera, Hydrozoa and Ascidiacea. As long as I know there is no record from Egypt Aleen, Agardh, Caulerpa racemosa is basically a red-sea Species that immigrated to the Mediterranean.
It is found in Egypt at the coast and in the Suez Canal. It always was a rare species in Israel there is only one specimen in Jerusalem herbarium.
All the descriptions of Caulerpa racemosa that we have are from more then 20 years ago. I have never faund it in our coasts. More research should be done especially in deep waters. Aleem, For the past 20 years the plant was found only twice, Dr.
Lundberg had found one thalus on Octoberin Shikmona Haifa and About 10 specimens of Caulerpa prolifera were found at Habonim coast, as drift algae, in the Mayby me Einav, Caulerpa prolifera was once abundant in the intertidal as well as in deep water habitat.
Its seems to have disappeared from the intertidal during the 2 last 20 years. The specimens that were collected by me were drifted, not connected to the substrate, all of them were covered by Hydrozoan epiphytes.
I assume that a population of Caulerpa prolifera still exists in deep waters.Epibiotic culturable vibrios on the Mediterranean invasive alga Caulerpa PhD Thesis 1 Abstract In the Mediterranean Sea, biodiversity is strongly threatened by biological invasions.
Some introduced seaweeds often have the potential to change sediment biogeochemistry. 1. To recognise key Mediterranean species (see IMAGE section) 2.
To collect data on the presence and abundance of Mediterranean key species (see QUESTIONNAIRE section) The organisms represented in the questionnaire (3 plants and 41 animals) will give an accurate picture on the environmental quality of the Mediterranean Sea.
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Hundreds of marine organisms including algae, phytoplankton, zooplankton, sponges, Cnidarians, mollusks, worms, arthropods, and fish species have already migrated via the Suez Canal in Egypt since the Grand Opening in November The Lessepsian migration takes place mostly from the Red Sea to the Mediterranean.
Epibiotic culturable vibrios on the Mediterranean invasive alga Caulerpa PhD Thesis 1 Abstract In the Mediterranean Sea, biodiversity is strongly threatened by biological invasions. Some introduced seaweeds often have .
Alga A kind of seaweed; pl.
the class of cellular cryptogamic plants which includes the black, red, and green seaweeds, as kelp, dulse, sea lettuce, also marine and fresh water confervae, etc. Aromatization () The act of impregnating or secting with aroma.