Format: ORAL

Moreno, J.M.; Negral, L.; Aznar, F.; Costa, I. and Moreno-Grau, S.

Department of Chemical and Environmental Engineering, Technical University of Cartagena, Cartagena, Spain

Long-distance pollen transport, primarily wind-facilitated, profoundly influences local and regional airborne pollen dynamics, impacting genetic diversity, species composition, allergen exposure, seasonal timing, ecological interactions, climate change implications, and biogeographical patterns. The transport introduces genetic material from distant populations, fostering increased genetic diversity within local plant populations for enhanced adaptability to environmental changes. Pollen transport alters the species composition of local and regional plant communities, potentially introducing new species or amplifying the abundance of certain ones, influencing regional biodiversity. The process significantly affects allergen exposure by introducing allergenic species, extending pollen seasons, and altering overall allergen composition, posing implications for public health. Understanding the impact of long-distance pollen transport on seasonal timing is crucial for predicting changes in allergen exposure patterns, with direct implications for public health. Ecological interactions arise, such as competition between introduced and native plant species, leading to cascading effects on local ecosystems and changes in insect and bird populations reliant on specific plant species for food. The complex interplay between long-distance pollen transport and climate change is pivotal for predicting ecological responses, managing biodiversity, and devising strategies to mitigate climate-driven environmental impacts. This interconnectedness contributes to biogeographical patterns, connecting plant populations across geographical regions, vital for maintaining genetic exchange and preventing isolation among plant populations. Monitoring pollen movement aids researchers in assessing the impact of global and regional environmental changes on plant populations. In summary, long-distance pollen transport is a valuable tool for ecological research and environmental monitoring, providing insights into plant dispersal, genetic connectivity, climate influences, and ecological dynamics, contributing to a broader understanding of interconnected processes shaping ecosystems.