▪ Abstract The recycling of elements by plants and plant-induced biological activity cause the
rates and products of weathering to be markedly different from what would result in abiotic …

… of secondary minerals occurs and podzol formation begins (Lucas, 2001). As a consequence …
Lucas, Y.: The role of plants in controlling rates and products of weathering: importance of …

… Recently Lucas et a1.17 have studied this transition taking account of all the variations, vertical
… Estimates of potential evapotranspiration are about 1500 mm/y 29. The amount that feeds …

In most soils of the humid tropics, kaolinitic topsoil horizons overlie more gibbsitic horizons.
This arrangement cannot be produced simply by leaching. Quantitative measurement of the …

… In our study, the quantity of Ti returned to the soil by the vegetation is about 0.56 kg ha −1 y
−1 , which is equivalent to 0.93 kg ha −1 y −1 of TiO 2 . In the upper 20 cm of the profile, TiO 2 …

The contribution of small watersheds to coastal pollution in Mediterranean areas is still poorly
known, and presents great variations along an hydrological year. This work deals with the …

The long-term impact of irrigation on a Mediterranean sandy soil irrigated with Treated
wastewater (TWW) since 1980 was evaluated. The main soil properties (CEC, pH, size distribution…

… Number of transactions in the test set with different history constraints ( H i s t o r y ≥ 3 means
that all the transactions have at least 2 transactions in the past for the card-holder and for …

The purpose of this study was to increase the science education community’s understanding
of the experiences and needs of girls who cross the traditional categorical boundaries of …

… Treuillet, and Y. Lucas, “Robust tissue classification for reproducible wound assessment
in telemedicine environments,” Journal of Electronic Imaging, vol. 19, no. 2, 2010. …