The cost of eradication is often proportional to the area the species has spread over, a process which takes time, and therefore eradication efforts are cheapest and most likely to be successful when started early (Simberloff, 2002).
So far, the Skirball fire has spread over 150 acres centered around Bel Air, a neighborhood packed with multimillion-dollar homes, including Rupert Murdoch's, which reportedly burned down Wednesday.
Since its emergence in New York City in 1999, WNV has spread over much of North America and the Caribbean and has become a threat to public, equine, and wildlife health (Kramer et al. 2008; Lindsey et al. 2010).
The fear of contagion has spread over Europe.
The outbreak of SARS, a life-threatening disease, has spread over many countries around the world.
The hush is not restricted to Tora; it has spread over all of Cairo.
Concern has spread over how the Baltimore curfew has been applied.
Anti-Arab graffiti has spread over the picturesque island, whose main business is catering to tourists.
What has spread over the course of Mr. Anwar's marathon trial is a creeping cynicism.
To know: An uncontained Arizona wildfire has spread over five thousand acres.
The new lava is hotter, moves faster and has spread over a wider area.
