Resiliencia contra la pandemia de covid-19 en comunidades indígenas kichwa en la Amazonía ecuatoriana

Entre marzo – agosto de 2020, hubo un contagio muy generalizado de covid-19 en las comunidades indígenas Kichwa en la Amazonía ecuatoriana.  Mostramos que el pico de contagio ya ha pasado y la mortalidad total ha sido notablemente baja. El pueblo Kichwa identifica su éxito en resistir la pandemia al uso generalizado de plantas medicinales

How to Save Endangered Magnolias? From Population Biology to Conservation Action: The Case of Allopatric Radiation in Western Mexico

Numerous Neotropical Magnolia species are endangered and red-listed by the IUCN. Here we highlight major results from over a decade of research on endangered magnolias in western Mexico. Particularly, we compare three species of Magnolia (M. pugana, M. pacifica and M. vallartensis) along a large-scale continentality and moisture gradients, in terms of a) their morphological adaptations, b) genetic structure, diversity, and differentiation, c) reproductive phenology, and d) floral scents and their floral visitors. Fieldwork along this gradient unveiled two new species of Magnolia sect. Magnolia; M. granbarrancae and M. talpana. We found that most continental populations have a higher extinction risk than those with greater maritime influence, due to their lower genetic diversity, and greater fragmentation, isolation, and water stress. Also, these populations are more vulnerable to the environmental conditions predicted with the global warming climate scenarios. We share fieldwork experience and advise on pre-germination treatments and seed dormancy. We propose an ex-situ and in-situ conservation strategy, identify new challenges, and suggest future directions of collaborative work as a global Magnolia conservation consortium