TY - JOUR A1 - Gray, M J A1 - Smith, L M A1 - Brenes, R T1 - Effects of agricultural cultivation on demographics of Southern High Plains amphibians. Y1 - 2004/10/ N1 - R829641 JF - CONSERVATION BIOLOGY J1 - CONSERV BIOL VL - 18 IS - 5 SP - 1368 EP - 1377 ER - TY - JOUR A1 - Gray, M J A1 - Smith, L M A1 - Leyva, R I T1 - Influence of agricultural landscape structure on a Southern High Plains, USA, amphibian assemblage. Y1 - 2004// N1 - R829641 JF - LANDSCAPE ECOLOGY J1 - LANDSCAPE ECOL VL - 19 IS - 7 SP - 719 EP - 729 ER -