SVIBOR - Project code: 1-08-229

MINISTRY OF SCIENCE AND TECHNOLOGY

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E-mail: ured@znanost.hr

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Project code: 1-08-229


CYCLE OF ORGANIC MATTER IN THE NORTHERN ADRIATIC ECOSYSTEM


Main researcher: DEGOBBIS, DANILO (9061)



Assistants
Type of research: basic
Duration from: 01/01/91. to 12/31/94.

Papers on project (total): 39
Papers on project quoted in Current Contents: 20
Institution name: Institut "Ruđer Bošković", Zagreb (98)
Department/Institute: Center for Marine Research-Rovinj Division
Address: G. Paliage 5
City: 52210 - Rovinj, Hrvatska
Communication
Phone: 385 (0)52 811-544
Fax: 385 (0)52 813-496
E-mail: olimp.irb.hr

Summary: In the investigation period 1991-1995 the influence of the long-term oceanographic and hydrologic changes on nutrient and primary production cycles in the northern Adriatic were studied. Concurrently, particulate matter production and sedimentation, as well as the role of pico and nano auto and heterotrophic plankton in the total organic production were investigated. These processes are relatively important in shallow marine regions, but they are not yet sufficiently known in the northern Adriatic. A better understanding of these processes is essential for a proper interpretation of seasonal and long-term changes in the organic matter cycle. Methods widely used in marine sciences were adopted and data were elaborated after storage in an oceanographic and biological data bank.

Keywords: Organic matter, nutrients, seasonal cycles, long-term changes, phytoplankton, microheterotrophs, cynobacteria, primary production, algal pigments, biomarkers, lipids, sedimentation, northern Adriatic.

Research goals: A long-term research of the biogeochemical mechanisms that dominate in the northern Adriatic ecosystem was continued in the proposed investigations, with two complementary aims: 1) Mechanism description of long-term changes in the main processes of the organic matter cycle (from temporal data series of various parameters collected since 1966); 2) Investigation of mechanisms and processes relevant to the organic matter cycle that are not yet sufficiently known in the northern Adriatic (the role of pico and nano auto and heterotrophs in the plankton communities; production, origin and sedimentation of particulate matter; cycle of the biogenic silica). The achieved results represent a significant contribution for the elaboration of an operative ecological model, as an instrument for a rational managing and protection of the region. The collected data can be also used in comparative studies between the northern Adriatic and other similar coastal ecosystems. The results will be published in national and international scientific journals, presented in scientific meetings, and used for the elaboration of various Ph.D. and M.S. theses.


COOPERATION - INSTITUTIONS


  1. Name of institution: University of Maine at Orono, Department of Zoology
    Type of institution: University/Faculty
    Type of cooperation: Joint project
    City: 04469 - Orono, Maine, SAD

  2. Name of institution: University of Vienna, Department of Marine Biology
    Type of institution: University/Faculty
    Type of cooperation: Joint project
    City: 1090 - Vienna, Austria

  3. Name of institution: Institute of Earth Sciences
    Type of institution: University/Faculty
    Type of cooperation: Joint publishing of scientific papers
    City: 3584 CD - Utrecht, Nederland

  4. Name of institution: Politecnico di Milano, Istituto di Ingegneria Sanitaria
    Type of institution: Economical/Production
    Type of cooperation: Joint publishing of scientific papers
    City: 20151 - Milano, Italia

  5. Name of institution: IAEA, Marine Environmental Laboratory
    Type of institution: University/Faculty
    Type of cooperation: Joint publishing of scientific papers
    City: 98012 - Monaco, Monaco

  6. Name of institution: CNR, Istituto di Biologia del Mare
    Type of institution: University/Faculty
    Type of cooperation: Joint project
    City: 30100 - Venezia, Italia

  7. Name of institution: Laboratorio di Biologia Marina
    Type of institution: University/Faculty
    Type of cooperation: Joint project
    City: 34100 - Trieste, Italia

  8. Name of institution: Univerza v Ljubljani, Morska Biološka Postaja
    Type of institution: University/Faculty
    Type of cooperation: Joint project
    City: 66100 - Piran, Slovenija

  9. Name of institution: Istitut za oceanografiju i ribarstvo
    Type of institution: University/Faculty
    Type of cooperation: Systematic exchange of information
    City: 21000 - Split, Croatia

  10. Name of institution: Biološki zavod Istituta za oceanografiju i ribarstvo
    Type of institution: University/Faculty
    Type of cooperation: Joint project
    City: 20000 - Dubrovnik, Croatia

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Last update: 10/05/95
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