Abundancia de dos poblaciones de toninas (Tursiops truncatus) en el norte de Veracruz, México Abundance of two populations of bottlenose dolphins (Tursiops truncatus) in northern V...

by Michelle P. Valdes-Arellanes, Arturo Serrano, Gisela Heckel, Yolanda Schramm, Ibiza Martínez-Serrano
Published 2011-03-01

The Pacific harbor seal gut microbiota in Mexico: Its relationship with diet and functional inferences.

by Arlette Pacheco-Sandoval, Yolanda Schramm, Gisela Heckel, Elizabeth Brassea-Pérez, Marcel Martínez-Porchas, Asunción Lago-Lestón
Published 2019-01-01

Trophic ecology of Mexican Pacific harbor seal colonies using carbon and nitrogen stable isotopes.

by Maricela Juárez-Rodríguez, Gisela Heckel, Juan Carlos Herguera-García, Fernando R Elorriaga-Verplancken, Sharon Z Herzka, Yolanda Schramm
Published 2020-01-01

Do marine reserves increase prey for California sea lions and Pacific harbor seals?

by Alejandro Arias-Del-Razo, Yolanda Schramm, Gisela Heckel, Andrea Sáenz-Arroyo, Arturo Hernández, Leonardo Vázquez, Aldo I Carrillo-Muñoz
Published 2019-01-01