RT Conference Proceedings T1 Preliminary study of the airborne pollen in the atmosphere of Puerto Ayora (Galapagos Islands, Ecuador) A1 Picornell Rodríguez, Antonio A1 Trigo-Pérez, María del Mar A1 Recio-Criado, María Marta A1 Jaramillo Díaz, Patricia K1 Botánica K1 Palinología K1 Biología Vegetal AB Galapagos is an archipelago of volcanic islands located 972 km west from the continentalEcuador. They were declared by the UNESCO as a World Heritage Site and BiosphereReserve due to their singular environmental value, where a third part of the native plantsare endemic to this archipelago (Jaramillo et al., 2011). In spite of the numerous scientificstudies carried out in Galapagos, there are not any aerobiological samplings beingperformed currently. The main objectives of this study were to install a pollen trap fordetecting the presence of pollen in the atmosphere of Puerto Ayora (Santa Cruz, GalapagosIslands) and qualitatively identify the different pollen types detected during the studiedperiod.A Durham (1946) gravimetric pollen trap was modified to turn it into a passive impactpollen trap based on Pla Dalmau (1957) modifications. It was placed on the roof of theGalapagos National School (Puerto Ayora, Santa Cruz Island) at a height of 15m aboveground level. The samples were obtained by using silicone fluid as adhesive substance andglycerine gelatine as mounting mean. The pollen grains were counted in a surface of 14 x48 mm in each sample. The pollen types were identified with the aid of the pollen guide ofthe Galapagos Island by Jaramillo & Trigo (2011) and the Charles Darwin Foundationpollen bank.Pollen types of endemic plants such as Darwiniothamnus sp., Passiflora foetida var.galapagensis Killip, Justicia galapagana Lindau and Castela galapageia Hook. f. weredetected together with those of other native and introduced species.A high diversity of pollen types was detected, reflecting the particular vegetation of theisland. This preliminary aerobiological information can be used as precedent for furtherstudies on the pollination of native and introduced species of the Galapagos Islands, as wellas for detecting possible allergic diseases in the population. PB De Linares C. & Belmonte J YR 2017 FD 2017 LK http://hdl.handle.net/10630/14483 UL http://hdl.handle.net/10630/14483 LA eng NO Universidad de Málaga. Campus de Excelencia Internacional Andalucía Tech. DS RIUMA. Repositorio Institucional de la Universidad de Málaga RD 28 feb 2026