Photosynthetic Traits of Paramo Plants Subjected to Short-Term Warming in OTC Chambers.

ABSTRACT: Global warming and changes in land use are some of the main threats to high mountain species. Both can interact in ways not yet assessed. In this study, we evaluated the photosynthetic responses of six common páramo species within a warming experiment using open-top chambers (OTC) in conserved páramo areas with different land use histories. We did not find significant differences in the photochemical performance of the species as measured through Fv/Fm, ETR, and NPQ in response to passive warming, indicating that warmed plants are not stressed. However, NPQ values were higher in recovering areas, especially in the driest and warmest months. Leaf transpiration, stomatal conductance, and Ci were not affected by the OTC or the land use history. The photosynthetic capacity, maximum photosynthe

SUBMITTER: Solarte ME 

PROVIDER: S-EPMC9695496 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature