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In this thesis, the vulnerability and capacity of acclimation to environmental stress related to Climate change mainly in Cystoseira tamariscifolia and other species as Ellisolandia elongata, Cystoseira compressa and Padina pavonica are evaluated. The effects of physical stressors as elevated irr...

En la presente tesis desarrollo una cronología de cambios en la vegetación y paleofuegos que abarca los últimos 17.000 años a partir de testigos de sedimentos lacustres obtenido de Laguna Churrasco (45°41’S, 71°49’O, 798 msnm), región de Aysén. El objetivo es documentar la historia de la vegetaci...

In this thesis I present a record of changes in vegetation and paleofires over the last 17,000 years from sediment cores obtained from Laguna Churrasco (45 ° 41'S, 71 ° 49'W, 798 masl), Aysén region. The objective is to document the history of vegetation and paleofires, their reciprocal relations...