The human impact imprint on modern pollen spectra of the Maya lands Franco-Gaviria, Felipe ; Caballero-Rodrigues, Dayenari ; Correa-Metrio, Alexander ; Pérez, Liseth ; Schwalb, Antje ; Cohuo, Sergio ; Macario-González, Laura Abstract Publication: BoletÃn de la Sociedad Geológica Mexicana Pub Date: 2018 DOI: 10.18268/BSGM2018v70n1a4 Bibcode: 2018BSGMx..70...61F