006650000a2200193000450024501570000065000190015765000290017665000130020565000170021865100340023504100130026970000200028270000280030270000250033070000180035570000200037310000280039377300500042110aNectar oasis produced by Ageve marmorata roezl. (Agavaceae) lead to spatial and temporal segregation among nectarivores in the Tehuacán Valley, Mexico14aPolinización14aRelación planta-animal14aColibris14aNectarivoros 4lValle de TehuacánpMéxico0 aInglés1 aOrdano, Mariano1 aHernández, Angélica1 aLópez, Juan Carlos1 aMendoza, Luis1 aPerroni, Yareni1 aOrnelas, Juan Francisco1 tJournal of Arid Environmentsq37-51d2002g52