Odonata are biodiversity indicators that adequately represent many aquatic and semi-aquatic animal species. We recorded over two field seasons a rich lentic community of (18 species) in large artificial freshwater reservoir (ca. 55 ha) built 40 years ago. The release water from the dam summer for crop irrigation leads to desiccation parts reservoir, which prevents reproduction half species this...

Source-sink relationships of field-grown plants of Coffea arabica L. cultivar 'Caturra' were manipulated to analyze the contribution of soluble sugars to sink feedback down-regulation of maximal leaf net CO2 assimilation rate (Amax). Total soluble sugar concentration (SSCm) and Amax were measured in the morning and afternoon on mature leaves of girdled branches bearing either high or low fruit ...

the heat and mass transfer analysis for mhd casson fluid boundary layer flow over a permeable stretching sheet through a porous medium is carried out. the effect of non-uniform heat generation/absorption and chemical reaction are considered in heat and mass transport equations correspondingly. the heat transfer analysis has been carried out for two different heating processes namely; the prescr...

In environments where sensor networks are deployed to monitor certain events or sensitive objects, attackers may deduce the approximated location of monitored objects by hop-by-hop backtracking the traffic. This paper proposes a routing technique to provide adequate source-location privacy with balanced energy consumption, the Phantom Routing based on Annular Zone (AZR). With this technique, th...

Mathematical models for pollutant transport in semi-infinite aquifers are based on the advection-dispersion equation (ADE) and its variants. This study employs the ADE incorporating time-dependent dispersion and velocity and space-time dependent source and sink, expressed by one function. The dispersion theory allows mechanical dispersion to be directly proportional to seepage velocity. Initial...