As a result of the study core material 540 thin sections from boreholes northern marginal part and paraxial Dnieper-Donetsk Depression (DDD), complex fossil red calcareous algae including 14 species 7 genera, as well 2 belonging to genera identified for first time Visean deposits DDD has been discovered. The studied carbonate represent Hlybokynskyi, Sukhynskyi, Stylskyi, Donetskyi lower ...

effects of different soil moisture regimes and p application on available and inorganic p forms were studied in four paddy soils, north of iran. a factorial experiment in a completely randomized design with two replications was performed in a laboratory study. factors of soil at four levels (two acid and two alkaline-calcareous soils), soil moisture contents at three different levels (air-dry, ...

The variability of the soils found in an area together with diversity bioclimatic parameters will affect chemical profile plant species, our case <em>Pistacia lentiscus</em> L. aim this work is to analyse characteristics and soil affecting essential oil (EO) composition leaves growing València (Spain). EO compositions dried from five sampling sites noticeable differences climate fea...

incorporation of plant residue in soils is considered as an important agricultural practice for maintaining soil fertility in sustainable agricultural system. co2 levels, nitrogen fertilization and plant residues are factors which highly affect decomposition of added organic matter to soil. in this research controlled chambers were used to investigate the effects of elevated atmospheric co2 con...

Ocean acidification is considered a major threat to marine ecosystems and may particularly affect calcifying organisms such as corals, foraminifera and coccolithophores. Here we investigate the impact of elevated pCO2 and lowered pH on growth and calcification in the common calcareous dinoflagellate Thoracosphaera heimii. We observe a substantial reduction in growth rate, calcification and cyst...

Oysters are economically and ecologically important bivalves, with its calcareous shell and delicious meat. The shell composition is a blend of inorganic crystals and shell proteins that form an organic matrix which protects the soft inner tissue of the oyster. The objective of the study was to compare the composition of organic matrix proteins (OMP) of two phylogenetically related species: the...

Fossils provide key data sets for the interpretation of the AND-1B core. Calcareous plankton and benthos provide the basis for palaeoenvironmental interpretations of both surface and bottom waters. Calcareous fossils are rare throughout, but occurrences noted are signifi cant. Some calcareous fossils provide potential for age control via 86Sr/87Sr, and palaeoenvironmental information may come f...

[1] The Integrated Ocean Drilling Program (IODP) Arctic Coring Expedition (ACEX) Hole 4C from the Lomonosov Ridge in the central Arctic Ocean recovered a continuous 18 m record of Quaternary foraminifera yielding evidence for seasonally ice-free interglacials during the Matuyama, progressive development of large glacials during the mid-Pleistocene transition (MPT) 1.2–0.9 Ma, and the onset of h...