Mitchell, John G.
Our disappearing wetlands John G. Mitchell. Photographs by Raymond Gehman - - National Geographic 47 .
Páginas: 3 - 45
Rich and complex ecosystems, wetlands reduce water pollution, alleviate flooding, and provide critical wildlife habitat. Yet the U.S. loses 300.000 acres of this natural resource each year.
NAT
Our disappearing wetlands John G. Mitchell. Photographs by Raymond Gehman - - National Geographic 47 .
Páginas: 3 - 45
Rich and complex ecosystems, wetlands reduce water pollution, alleviate flooding, and provide critical wildlife habitat. Yet the U.S. loses 300.000 acres of this natural resource each year.
NAT