000			00735nam a2200217Ia 4500
008			191202s9999 xx 000 0 und d
022			_a
041			_aInglés
082			_aNAT
100			_aMitchell, John G.
245		0	_aOur disappearing wetlands _bJohn G. Mitchell. Photographs by Raymond Gehman
246			_a
264			_c _aUnited States _bNational Geographic Society
310			_aMensual
490			_v47 _aNational Geographic
500			_aPáginas: 3 - 45
520			_aRich 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.
650			_a
856			_z
942			_cPP _2ddc
999			_c544125 _d544125