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Projects / Programmes source: ARIS

Trophic gradients and pelagic-benthic coupling (Gulf of Trieste, Adriatic Sea)

Research activity

Code Science Field Subfield
1.03.03  Natural sciences and mathematics  Biology  Ecosystems 

Code Science Field
B260  Biomedical sciences  Hydrobiology, marine biology, aquatic ecology, limnology 
Keywords
trophic state, mucilage, macroaggregates, plankton, Gulf of Trieste, Adriatic Sea
Evaluation (rules)
source: COBISS
Researchers (11)
no. Code Name and surname Research area Role Period No. of publicationsNo. of publications
1.  18333  Mira Avčin    Researcher  1998 - 2001 
2.  18212  Vladimir Bernetič    Researcher  1996 - 2001  116 
3.  18335  Janez Forte  Biology  Researcher  1998 - 2001  77 
4.  18340  Alma Hvala    Researcher  1998 - 2001 
5.  11069  PhD Lovrenc Lipej  Biology  Researcher  1998 - 2001  1,068 
6.  05226  PhD Vlado Malačič  Hydrology  Researcher  1999 - 2001  366 
7.  04642  PhD Alenka Malej  Biology  Head  1996 - 2001  701 
8.  18336  Silva Maslo    Researcher  1998 - 2001 
9.  11360  PhD Patricija Mozetič  Biology  Researcher  1998 - 2001  418 
10.  03764  PhD Valentina Turk  Biology  Researcher  1996 - 2001  413 
11.  05251  PhD Borut Vrišer  Biology  Researcher  1996 - 2001  94 
Organisations (1)
no. Code Research organisation City Registration number No. of publicationsNo. of publications
1.  0105  National Institute of Biology  Ljubljana  5055784  13,335 
Abstract
Overall objective of the research project is characterization of the trophic state of the Gulf of Trieste with emphasis on plankton processes in relation to nutrient and hydrographic conditions, on the development of mucilage macroaggregates, and other harmful phenomena (algal blooms, hypoxia/anoxia). Field work is mainly carried out in the periods critical for the development of mucilage and hypoxia in the bottom layer (April - October). Field research is complemented by a model system chosen to simulate the plankton processes and the effects of nutrient additions. Natural phytoplankton are incubated in situ with the addition of different combination of macronutrients. The effects of nutrients are followed by monitoring of primary and bacterial production and biomass, abundance and structure of phytoplankton, concentrations of pigment biomarkers, and particulate and dissolved organic matter (DOC, DON, POC, PON, dissolved and particulate mono- and polysaccharides). Variability of the trophic state is also assessed on the basis of long-term seasonal and inte-annual plankton variability in relation to nutrient and hydrographic conditions of the Gulf of Trieste.
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