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Lake water quality is an important sign of ecosystem health, biodiversity, and sustainable management of freshwater resources. As human activities, climate change, and eutrophication increase, the need for efficient and consistent monitoring methods grows. Traditional field sampling provides accurate local data but is limited by how often and where samples are collected, as well as by high costs. Satellite remote sensing is a practical way to monitor inland water bodies, enabling repeated, large-scale assessments ...

Improving and protecting water quality, for human needs, and for the sustainability of aquatic ecosystems, has become a global priority for this century, involving continuous monitoring of inland water resources, combining in situ measurements with satellite remote sensing, especially from the surface of the water. This could be possible through the Sentinel missions, respectively S2 and S3 of the European Space Agency, equipped with a multispectral instrument on board, which makes it possible to study inland wate...

The main objective of the Natura 2000 network set up at European Union level is to improve or restore the conservation status of species and habitats of Community interest, taking into account the economic, social and cultural characteristics of each Member State. The selection of the study area was determined by the anthropogenic and natural pressures exerted on the protected natural area ROSCI0434 Siretul Mijlociu, one of eleven Natura 2000 sites have been declared along the Siret River, Romania and the need to ...

Putna-Vrancea Natural Park covers an area of about 30204 ha, being declared Natural Park in 2004, by the Romanian Government Decision no. 2151/2004. Putna-Vrancea Natural Park is located in the Curvature Carpathians and includes one of the wildest mountain areas in Romania, shelters many species of flora and fauna of national and international importance such as: Canis lupus, Ursus arctos, Lynx lynx, Rupicapra rupicapra, Cypripedium calceolus, Taxus baccata, Leontopodium alpinum. etc. The present study highlights ...

The conversion of forest to pastoral and agricultural management has important implications for carbon storage in soils. The stationary conditions of Neamtu catchment is characterized by an altitudinal difference between 270 - 1523 meters, 418 sq. km surface area, with notable differences of morpho-lithological, climatic, hydrological and biogeographical conditions reflected in both soil diversity and carbon content differences. This study aimed at calculating and comparing the estimated soil carbon stocks in diff...

In the context of climate and land use changes, the dynamics of soil carbon content became an interesting topic taking into account the role of soil organic matter for both plant growth and soil quality. Various analytical methods are accessible to find out the organic carbon concentration in soil with distinctive accuracy, each of them having own constraints and gains. The aim of the present study was to compare the experimental results obtained for soil organic carbon through several methods (wet dichromate oxid...