Irrigated fields produce a large share of the world’s crops, but in many river basins agriculture faces growing competition from other water users. This paper focuses on intensity irrigation use, i.e., volume applied per unit irrigated land, ten districts located Mexican side Rio Grande-Bravo Basin. Based analysis historical production data for districts’ main results show that varies widely am...

ABSTRACT: Water policy makers across Sub-Saharan Africa have emphasized the need to improve understanding of users´ intention pay for safe water services in order achieve financial sustainability. Community demand payable provision will be critical implementation an effective revenue collection system that ensures long-term financing schemes. This investigation examines community´s seven scheme...

During the "ANA" cruise in November 1988, Western North Atlantic Water (WNAW) was found linked to the Azores Current (AC) at 23° W, where according to various authors Eastern North Atlantic Water (ENAW) forms a boundary with WNAW east of the Mid-Atlantic Ridge (MAR). This boundary changes position during the year. The vein of Mediterranean Water (MW) moving towards the MAR seems to be connected...

background: non-steroidal anti-inflammatory drug (nsaid) use and h pylori infection are two major causes of peptic ulcers. this study investigates the effect of h pylori infection and nsaids on gastroduodenal damages and bleeding (gib).   methods: 104 patients with acute gastrointestinal bleeding (gib) and 102 patients with dyspepsia without bleeding were studied. duodenal (du) and gastric ulce...