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Impact of Aerosols (Saharan Dust and Mixed) on the East Mediterranean Oligotrophic Ecosystem, Results from Experimental Studies
In oligotrophic environments, dust and nutrient inputs via atmospheric routes are considered important sources of macro-nutrients and micro-trace metals fuelling primary and secondary production. Yet, the impact of these dust inputs on the microbial populations is not fully investigated in the Eastern Mediterranean Sea (EMS). The response of oligotrophic systems to dust inputs, whether as positive or negative feedbacks to autotrophic and heterotrophic production and thus to biogeochemical cycling, is important to examine further. Experimental studies have explored nutrient additions in various combinations to determine the limiting resource to productivity or N2 fixation. Recent experimental...
Chapter The National Monitoring Program of Israel's Mediterranean Waters - scientific perspectives
The Levantine Basin (LB) is considered an impoverished and sensitive ecosystem in the Mediterranean Sea. Since the beginning of the industrial revolution this sea has been influenced by increasing global, regional and local anthropogenic pressures. The LB is at the eastern most terminus of the Mediterranean Sea with relatively long residence time of water subject to warming, salinization and acidification. The opening of the Suez Canal in 1864 linking the Red Sea with the Mediterranean has facilitated the migration and settling of hundreds of Eritrean species along the Levantine coasts at the expense of native species and irreversibly altering the ecosystem.
Ninth International Symposium “Monitoring of Mediterranean Coastal Areas: Problems and Measurement Techniques”
The ninth International Symposium Monitoring of Mediterranean Coastal Areas: Problems and Measurements Techniques was organized by CNR-IBE in collaboration with Italian Society of Silviculture and Forest Ecology, and Natural History Museum of the Mediterranean and under the patronage of University of Florence, Accademia dei Lincei, Accademia dei Georgofili, Tuscany Region, The North Tyrrhenian Sea Ports System Authority, Livorno Municipality and Livorno Province. In the Symposium Scholars had illustrated their activities and exchanged innovative proposals, with common aims to promote actions to preserve coastal marine environment. Despite the COVID 19 pandemic, the success of this edition is attested by the 170 contributions selected by the Scientific Committee from among those received. Participation involved all the thematic lines envisaged by the sessions, involving many countries of the Mediterranean Sea. A big endeavor for a costal environment of paramount importance but threatened by global changes. The importance of this Proceedings is attested by the fact that this volume is the first issue of a new FUP Series.
Microbial Connections Between the Subsurface Sulfur Cycle and Other Elemental Cycles
Sulfur has many redox states and is a major metabolite in suboxic and anaerobic environments including, but not restricted to, marine and marginal marine sediments, the water column of oxygen minimum zones, salt marshes and oil wells. Microbially mediated redox cycling of sulfur typically comprises dissimilatory sulfate reduction (MSR), sulfide reoxidation, disproportionation and the oxidation and reduction of sulfur redox intermediates. These processes contribute to the degradation of organic matter, link the cycles of sulfur and carbon, control the production and consumption of methane and are critical for the long term budget of O2 in the atmosphere. Microbial and abiotic processes at red...
The Last Days in Israel
This volume examines the challenges and circumstances Israel has faced during the 1990s and addresses both the public's and leadership's singular goal of "peace and security".
