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Long Term Ecological Research (LTER-Italia) "C1" station


Long-Term Ecological Research (LTER) is an essential component of world wide efforts to better understand ecosystem structure, functioning and response to natural and man-made impacts. Since 1986, the time-series station “C1” in the Gulf of Trieste (GoTTs), in the northernmost part of the Adriatic Sea, represents a crucial site for marine LTER as subject to the interaction among several natural and man-induced forcing factors. The major objectives of the GoTTs are to understand the functioning and to identify changes in the northern Adriatic marine coastal ecosystem.


Since 1986 marine-biological-chemical measurements on a monthly basis.



click on figures to enlarge...



sea sampling at the C1 station



Mnemiopsis leidyi - Sea walnut

Current data - trends

Seawater temperature September 2017 - September 2019
Salinity September 2017 - September 2019
Nitrate concentration (N-NO3)
July 2017 - July 2019
Phosphate concentration (P-PO4)
July 2017 - July 2019
Silicate concentration (H4SiO4)
July 2017 - July 2019
CO2 partial pressure
July 2017 - July 2019
Dissolved oxygen concentration (DO)
August 2017 - August 2019
Chlorophyll α concentration
May 2017 - May 2019
pHT (measured at in situ temperature)
July 2017 - July 2019
Abundance of total prokaryotes
September 2017 - September 2019
Monthly abundance (cell L-1) of
phytoplankton in the surface layer
(January 2018 - September 2019)
and percentage composition of the
September 2019
Monthly abundance (ind L-1) of
microzooplankton in the surface layer
(January 2018 - March 2019)
and percentage composition of the
main microzooplankton groups
in March 2019
Monthly abundance (ind m-3) of mesozooplankton collected by WP-2
vertical hauls (January 2017 - December 2018) and percentage composition
of the main mesozooplankton groups in December 2018


For more informations, please contact: B. Cataletto -- M. Lipizer