Abstract Jellyfish (Cnidaria and Ctenophora) are an essential component of marine ecosystems represent a potential effect, positive or negative, for several economic activities. blooms non-indigenous species (NIS) introduction can shift ecological community structure energy transfer. Despite their importance in ecosystem function services, knowledge jellyfish fauna diversity phenology largely l...

The aims of the present paper were to review knowledge about Mediterranean non-indigenous species taxa Cnidaria and Ctenophora (CC NIS), screen risk 98 for their potential invasiveness in Sea approach Italian waters. Of these, 38% are well established basin, 4% known invasiveness, 44% casual, 11% have a taxonomic status unresolved, 3% included category ”cryptogenic”. biodiversity CC NIS has cha...

Supplementary data ml http://rsbl.royalsocietypublishing.org/content/suppl/2012/04/24/rsbl.2012.0163.DC1.ht "Data Supplement" References http://rsbl.royalsocietypublishing.org/content/8/5/809.full.html#ref-list-1 This article cites 14 articles, 1 of which can be accessed free Subject collections (66 articles) taxonomy and systematics • (573 articles) ecology • (51 articles) developmental biol...

A number of causes have been proposed to account for the occurrence of gelatinous zooplankton (both jellyfish and ctenophore) blooms. Jellyfish species have a complex life history involving a benthic asexual phase (polyp) and a pelagic sexual phase (medusa). Strong environmental control of jellyfish life cycles is suspected, but not fully understood. This study presents a comprehensive analysis...

Beroe gracilis Künne, 1939 is a small neritic ctenophore, previously recorded only from cold waters of the northern hemisphere. The present study provides the first record of the species in the southern hemisphere, found in the surface layer of the Humboldt Current System off the central Chilean coast (32°-36.5° S). A complete description of this material is provided.

Because light in the pelagic environment is partially polarized, it has been suggested that the polarization sensitivity found in certain pelagic species may serve to enhance the contrast of their transparent zooplankton prey. We examined its potential during cruises in the Gulf of Mexico and Atlantic Ocean and at a field station on the Great Barrier Reef. First, we collected various species of...

Eva Jablonka Cohn Institute for the History and Philosophy of Science and Ideas Tel Aviv University Tel Aviv, Israel [email protected] Abstract This is the first of two papers in which we propose an evolutionary route for the transition from sensory processing to unlimited experiencing, or basic consciousness. We argue that although an evolutionary analysis does not provide a formal defin...