27-year-old researcher working in a lab on nitrogen exchange between bacteria and the roots of legumes in the rainforest at the "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica

natural reserve tropical rainforest scientific research sample scientist researcher adult woman person alone sit indoor profile shot day laboratory botany march month la selva biological station botanist nature reserves nature reserve tropical rain forests ombrophile forest shade plants rain forest rainforest rain forests ombrophile forests scientific researches scientific studies scientific study samples specimen specimens sampling samplings scientists researchers adults women human beings persons human being human presence human presences human humans single lonely only solo one lone seat siting inside indoors profile sights profile sight profile shots profile view profile views side view days daytime laboratories lab labs botanies estación biológica la selva phytologist environment protection environment management biodiversity management environment tropical forest forest area science analysis stage of development individual enumeration posture behavior shot ambiance discipline heredia province costa rica central america america