Dataset provides ammonia concentrations measured in Lake Santo Parmense during the period 2007-2010. Water samples 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 spectrophotometrically according to Koroleff (1970).

The data is for the Braila Islands LTSER site (LTER_EU_RO_006), for the following chemical parameters : NH4N, NO3N, NO2N, Ntot, SS, PH, OM, HH, PO4P, Ptot, for the years 2006, 2008, 2009, 2011, 2013

The data are for Braila Islands SI000726: Gropeni (2008-2013); Stancuta - Stancuta Meteo Station (2010-2013); Variable list is including: a) biogeochemistry data: NH4N, NO3N, NO2N, NKJ, Ntot, O2D,PO4P, Ptot b) physico-chemical data: COND (water), COND (soil), ALK, pH (water), Temp (water),Temp (soil) c) meteorological parameters: Temp (air), atm, WND, Rad, HH air, PAR - PAR Lite Radiometer um/sm2, NRS - Net Radiometer Short Wave mV, NRL - Net Radiometer Long Wave mV, UVB, UVA, WL - piezometric water level for Stancuta meteo station, HH soil, Temp soil

Dataset provides dissolved reactive silica concentrations measured in Lake Santo Parmense in period 2007-2010. Water samples 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 spectrophotometrically according to Golterman et al. (1978).

The dataset refers to weekly concentration of  main gaseous and particulate compounds of atmospheric deposition measured at 4 forest CONECOFOR LTER plots

Dataset provides dissolved reactive silica concentrations measured in Lake Santo Parmense in period 1953-1954. Water samples 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 spectrophotometrically according to Golterman et al. (1978).

Data were collected at different type specific sites situated at upper, middle and low part of the Mesta River. Physicochemical data (oxygen concentration, water temperature, pH, conductivity and biogens) were taken during 2012. At that time were collected macrophytes, macrozoobenthos, phytobenthos and fishes samples.

Dataset provides dissolved reactive phosphorus concentrations measured in Lake Santo Parmense between may 2001 and october 2003. Water samples 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 APHA, AWWA, WPCF (1971).

Dataset provides dissolved reactive phosphorus concentrations measured in Lake Santo Parmense between may 2007 and october 2010. Water samples 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 APHA, AWWA, WPCF (1971).

Dataset provides dissolved reactive phosphorus concentrations measured in Lake Santo Parmense between september 1972 and april 1973. Water samples 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 APHA, AWWA, WPCF (1971).