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  • Discrete water samples for phosphate(P-PO) analysis were collected at 0.5, 5, 10 and 15 meters in the Gulf of Trieste – time series station (station C1). The site is part of the LTER-North Adriatic site. Nitrite is measured colorimetrically after sample pre-filtration, using a segmented flow analyzer. Data are used to study biogeochemical nutrient cycles in the coastal Long Term Ecosystem Research station of the Gulf of Trieste, in the northernmost part of the Adriatic Sea and of the Mediterranean basin. Availability and partition of nitrogen in dissolved and particulate pools result from the concurrence of different forcing factors such as the general circulation, alternation between summer stratification and winter mixing, weather conditions, river discharge, diffuse and point-source continental inputs, sediment–water interactions and several biological processes. General information can be found at: http://nettuno.ogs.trieste.it/ilter/BIO/index.html

  • Secchi depth is measured on a monthly basis in the Gulf of Trieste – time series station (station C1) as a general measure of seawater transparency.General information can be found at: http://nettuno.ogs.trieste.it/ilter/BIO/index.html

  • Vertical profiles of salinty are collected on a monthly basis in the Gulf of Trieste – time series station (station C1), using a CTD multiparametric probe. The site is part of the LTER-North Adriatic site. Data are used to characterize the temporal dynamic of hydrological properties in the coastal Long Term Ecosystem Research station of the Gulf of Trieste, in the northernmost part of the Adriatic Sea and of the Mediterranean basin. General information can be found at: http://nettuno.ogs.trieste.it/ilter/BIO/index.html

  • Discrete water samples for dissolved oxygen analysis were collected at 0.5, 5, 10 and 15 meters in the Gulf of Trieste – time series station (station C1). The site is part of the LTER-North Adriatic site. Dissolved oxygen is measured by potentiometric titration. General information can be found at: <a href="http://nettuno.ogs.trieste.it/ilter/BIO/index.html">http://nettuno.ogs.trieste.it/ilter/BIO/index.html</a>

  • Vertical profiles of Dissolved Oxygen are collected on a monthly basis in the Gulf of Trieste – time series station (station C1), using a multiparametric probe. The site is part of the LTER-North Adriatic site. General information can be found at: http://nettuno.ogs.trieste.it/ilter/BIO/index.html

  • Vertical profiles of pH are collected on a monthly basis in the Gulf of Trieste – time series station (station C1), using a multiparametric probe. The site is part of the LTER-North Adriatic site.General information can be found at: http://nettuno.ogs.trieste.it/ilter/BIO/index.html

  • Discrete water samples for chlorophyll-analysis were collected at 0.5, 5, 10 and 15 meters in the Gulf of Trieste – time series station (station C1). The site is part of the LTER-North Adriatic site. The overall aim of Long Term Ecosystem Research in the coastal area of the Gulf of Trieste, in the northernmost part of the Adriatic Sea and of the Mediterranean basin is to gain a better understanding of the temporal dynamics of phytoplankton bloom evolution, with particular focus on the response to natural and man – induced environmental changes. General information can be found at: http://nettuno.ogs.trieste.it/ilter/BIO/index.html

  • Discrete water samples for the determination of phytoplankton abundance and community composition were collected with a monthly frequency at 0.5, 5, 10 and 15 meters in the Gulf of Trieste – time series station (station C1). The site is part of the LTER-North Adriatic site. Samples were fixed with Ca(HCO3)2-buffered formaldehyde (0.8% final concentration) and cell abundance and species composition of phytoplankton were estimated according to Utermöhl’s method (1958), using an inverted microscope equipped with phase contrast, at 320-400x final magnifications. The overall aim of Long Term Ecosystem Research in the coastal area of the Gulf of Trieste, in the northernmost part of the Adriatic Sea and of the Mediterranean basin is to gain a better understanding of the temporal dynamics of phytoplankton bloom evolution, with particular focus on the response to natural and man – induced environmental changes. General information can be found at: http://nettuno.ogs.trieste.it/ilter/BIO/index.html

  • Discrete water samples for nitrate (N-NO) analysis were collected at 0.5, 5, 10 and 15 meters in the Gulf of Trieste – time series station (station C1). The site is part of the LTER-North Adriatic site. Nitrite is measured colorimetrically after sample pre-filtration, using a segmented flow analyzer. Data are used to study biogeochemical nutrient cycles in the coastal Long Term Ecosystem Research station of the Gulf of Trieste, in the northernmost part of the Adriatic Sea and of the Mediterranean basin. Availability and partition of nitrogen in dissolved and particulate pools result from the concurrence of different forcing factors such as the general circulation, alternation between summer stratification and winter mixing, weather conditions, river discharge, diffuse and point-source continental inputs, sediment–water interactions and several biological processes. General information can be found at: http://nettuno.ogs.trieste.it/ilter/BIO/index.html"

  • Dataset provides chlorophyll-a concentrations measured in Lake Santo Parmense in 1991. Water samples for chlorophyll-a analysis were collected by means of a Ruttner Bottle at different depths over the whole water column at the point of maximum depth of the lake. Samples were analysed according to Strickland & Parsons (1968).