نتایج جستجو برای: biological routes
تعداد نتایج: 495262 فیلتر نتایج به سال:
The social complexion of Toronto’s urban landscape has been irreversibly altered since the 1960s as new waves of migrants from Africa, Asia, the Caribbean, and Central and South America have replaced traditional white European migrant flows. We examine the very different residential settlement patterns of Toronto’s three largest racial minorities – Blacks, Chinese and South Asians. Unlike previ...
Wooden groin systems on the southwestern Baltic Sea coast are a traditional and important coastal-protection facility, but have been regularly infested and destroyed by the wood-boring bivalve Teredo navalis since the early 1990s. The occurrence of T. navalis was presumed to be limited mainly by the prevailing low salinities. Recently, a possible range expansion of this invasive species to the ...
Captive male dark-eyed juncos from two different aviaries were combined either in one group's original aviary (seven replicates) or in a third aviary (two replicates). These experiments controlled for effects of handling the subjects during transfers between aviaries and, in statistical analysis of the results, took into account constraints on the dominance relationships within combined groups....
Kelly H . Tiller Tobacco Settlement , Phase II and Disaster Payments : An Overview and Status Report
After a year and a half of negotiations and failure of an earlier settlement proposal to obtain Congressional approval, the four largest cigarette manufacturers reached a settlement with 46 states over state claims against the tobacco industry on November 23, 1998. According to the Master Settlement Agreement (MSA), cigarette manufacturers agreed to pay participating states $206 billion over th...
conclusions safe water supply and adequate sanitation and hygiene are the important routes for the control and prevention of cholera infection. results cholera is a rare disease in industrialized countries; but, is still common in other parts of the world, including the indian subcontinent, sub-saharan africa, and latin and central american countries (like haiti). symptoms begin with a sudden o...
Although historical records of introductions that trigger successful biological invasions are common, subsequent patterns dispersal and colonisation routes unclear. We use microsatellites to examine genetic population structuring established invasive brown trout (Salmo trutta) populations in Newfoundland, Canada, for evidence “natural” dispersal, human-mediated introductions, routes. also explo...
In the post-genomic era, Genome-scale metabolic networks (GEMs) have emerged as invaluable tools to understand metabolic capabilities of organisms. Different parts of these metabolic networks are defined as subsystems/pathways, which are sets of functional roles to implement a specific biological process or structural complex, such as glycolysis and TCA cycle. Subsystem/pathway definition is al...
Recent increases in the rates of biological invasion and spread of infectious diseases have been linked to the continued expansion of the worldwide airline transportation network (WAN). Here, the global structure of the WAN is analysed in terms of climatic similarity to illuminate the risk of deliberate or accidental movements of climatically sensitive organisms around the world. From over 44,0...
An artificial pancreas (AP) to treat type 1 diabetes mellitus is currently being designed using the latest control technology. There are many challenges to this undertaking, many due to the fact that this is a biological system, making this device high risk while presenting challenges for sensing and delivery. A controller for this system, zone model predictive control, has been designed to con...
Deciphering invasion routes from molecular data is crucial to understanding biological invasions, including identifying bottlenecks in population size and admixture among distinct populations. Here, we unravel the invasion routes of the invasive pest Drosophila suzukii using a multi-locus microsatellite dataset (25 loci on 23 worldwide sampling locations). To do this, we use approximate Bayesia...
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