In all cases, the close physical connection between parasite and host, including location of the parasite belowground or within the host, makes control of parasitic weeds difficult.
Up to 80 percent of the aboveground carbon in terrestrial communities and about a third of belowground carbon are contained within forests.
Inspired by a yellow-fever epidemic, the developer of the cemetery, one Perkins Nichols, in 1830, encased the dead in marble vaults well belowground, so that their germs could not escape.
With belowground smuggling, Sinaloa's business quickly expanded.
Some of his stage pictures are splendid: Billy soaring through beams of light; Billy throwing himself furiously against the Plexiglas shields of massed policemen, who beat a fierce tattoo with their truncheons; and, at the finale, the defeated miners returning to work and sinking belowground as Billy is poised to rise.
The classrooms are belowground in the building's lower lobby, along with a "leadership center," a canteen, and a small library.
Mount Auburn Cemetery, outside Boston, which opened in 1831, and its imitators (like Green-Wood Cemetery, in Brooklyn) are for him the exemplars of Arcadian America, with their rolling, parklike design and constant use by the living as well as by their belowground permanent residents.
It is a provocative and disturbing work, and someone who views it in one of MOMA's belowground theatres may be moved to take a long, contemplative detour through the streets and the Park before daring to go upstairs to indulge in the museum's collection.
To get them before the animals did, you had to detect them belowground.
If the stations seemed, as people said, Dantesque, that was not simply because the subway was belowground, and a punishment, but also because it offered an architectural order that seemed to be free from any interfering human hand, running by itself in its own grim circles.
(In the Huautla system, teams sometimes found Popsicle sticks a mile belowground).
