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Fewer butterflies, more invaders: Nature in retreat in Israel

The 2023 report on the state of nature in Israel makes grim reading. ....

Itamar Dayan , Biodiversity Studies At Tel Aviv University , Museum Of Natural History , Jewish National Fund , Israel National Center , Steinhardt Museum Of Natural History , Parks Authority , Ministry Of Environmental Protection , Steinhardt Museum , Natural History , Biodiversity Studies , Tel Aviv University , Environmental Protection , Israel Nature , Western Negev , Loess Plains ,

Frontiers | Octocorals in the Gulf of Aqaba exhibit high photosymbiont fidelity

Symbiotic associations, widespread in terrestrial and marine ecosystems, are of considerable ecological importance. Many tropical coral species are holobionts, formed by the obligate association between a cnidarian host and endosymbiotic dinoflagellates of the family Symbiodiniaceae. The latter are abundant on coral reefs from very shallow water down to the upper mesophotic zone (30-70 meters). The research on scleractinians has revealed that the photosymbiont lineages present in the cnidarian host play an important role in the coral’s ability to thrive under different environmental conditions, such as light regime and temperature. However, little is known regarding octocoral photosymbionts, and in particular regarding those found deeper than 30 meters. Here, we used ribosomal (ITS2) and chloroplast (23S) markers to uncover, for the first time, the dominant Symbiodiniaceae taxa present in 19 mesophotic octocoral species (30-70 meters depth) from the Gulf of Aqaba/ Eilat (northern Red ....

Red Sea , Djibouti General , Anthe George , South Australia , United States , Saudi Arabia , South China Sea , Brunei General , Great Barrier Reef , Saudi Arabian , Tamar Feldstein , Symbiodiniaceae Lajeunesse , Sea Porites , Symbiodinium Symbiodiniaceae , Symbiodiniaceae Dinophyceae , Pacific Ocean , Van Oppen , Sea Sanqiang , Jessica Bellworthy , Symbiodinium Dinophyceae , Sea Sawall , Sam Rothberg , Cladocopium Scucchia , Michal Haddas Sasson , Naomi Paz , Sea Muscatine ,