005680000a2200181000450024500750000065000280007565000170010365000290012065000290014965100260017865300340020465300340023804100130027270000180028570000240030310000210032777300380034810aSmall-mammal regulation of vegetation structure in a temperate savanna14aCompetencia biológica14aHerbivoría14aDispersión de semillas14aRelación planta-animal 4dTexaspEstados Unidos gCynomyseCynomys ludovicianus gProsopiseProsopis glandulosa0 aInglés1 aArcher, Steve1 aHeitschmidt, Rod K.1 aWeltzin, Jake E.1 tEcology357h3q751-763d1997g78