Marisa Alarcón

ORCID: 0000-0002-8175-4845
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About
Contact & Profiles
Research Areas
  • Genetic diversity and population structure
  • Plant Diversity and Evolution
  • Plant and Fungal Species Descriptions
  • Botany, Ecology, and Taxonomy Studies
  • Plant and animal studies
  • Geology and Paleoclimatology Research
  • Plant Pathogens and Resistance
  • Plant Reproductive Biology
  • Ethnobotanical and Medicinal Plants Studies
  • Insect and Arachnid Ecology and Behavior
  • Marine and coastal ecosystems
  • Plant Physiology and Cultivation Studies
  • Plant Pathogens and Fungal Diseases
  • Seed and Plant Biochemistry
  • Potato Plant Research
  • Mediterranean and Iberian flora and fauna
  • Horticultural and Viticultural Research
  • Ecology and Vegetation Dynamics Studies
  • Isotope Analysis in Ecology
  • Species Distribution and Climate Change
  • Botany and Plant Ecology Studies
  • Plant Ecology and Taxonomy Studies
  • Botanical Studies and Applications
  • Plant Parasitism and Resistance
  • Nuts composition and effects

Institut Botànic de Barcelona
2012-2018

Consejo Superior de Investigaciones Científicas
2013-2014

Real Jardín Botánico
2008-2010

We here explore the use of a Bayesian approach to island biogeography for disentangling evolutionary origins continental-scale floristic pattern, enigmatic ‘Rand Flora’. The existence disjunct distributions across many plant lineages between Macaronesia–northwest Africa, Horn Africa–southern Arabia and east–south Africa has long intrigued botanists, but only now can we start analysing it within statistical framework. Phylogenetic distributional data from 13 exhibiting this distribution were...

10.1098/rsbl.2010.0095 article EN Biology Letters 2010-03-24

Chloroplast (trnL-F and rbcL) sequences were used to reconstruct the phylogeny of Geraniaceae Hypseocharitaceae.According these data Hypseocharitaceae are monophyletic.Pelargonium Monsonia sisters largest clade Geraniaceae, formed by Geranium, Erodium California.According molecular dating dispersal-vicariance analysis, split stem branches probably occurred during Oligocene, in southern Africa or plus Mediterranean area.However, their diversification Miocene, coinciding with beginning major...

10.1600/036364408784571482 article EN Systematic Botany 2008-04-01

Abstract The Eastern African Afromontane forest is getting increased attention in conservation studies because of its high endemicity levels and shrinking geographic distribution. Phylogeographic have found evidence genetic variation structured across the Great Rift System. Here, we use epiphytic plant species Canarina eminii to explore causal explanations for this pattern. analyses were undertaken using plastid regions AFLP fragments. Population analyses, Statistical Parsimony, Bayesian...

10.1038/srep45749 article EN cc-by Scientific Reports 2017-04-11

Abstract Transoceanic distributions have attracted the interest of scientists for centuries. Less attention has been paid to evolutionary origins ‘continent‐wide’ disjunctions, in which related taxa are distributed across isolated regions within same continent. A prime example is ‘Rand Flora’ pattern, shows sister disjunctly continental margins Africa. Here, we explore this pattern using genus Canarina , with three species: C. canariensis associated Canarian laurisilva, and eminii abyssinica...

10.1111/mec.13114 article EN Molecular Ecology 2015-02-16

Floral nectar spurs are widely considered a key innovation promoting diversification in angiosperms by means of pollinator shifts. We investigated the macroevolutionary dynamics tribe Antirrhineae (Plantaginaceae), which contains 29 genera and 300-400 species (70-80% spurred). The effect on was tested, with special focus Linaria, genus highest number species. generated most comprehensive phylogeny to date reconstructed evolution spurs. Diversification rate heterogeneity using trait-dependent...

10.1111/nph.15654 article EN New Phytologist 2018-12-20

Geographical isolation by oceanic barriers and climatic stability has been postulated as some of the main factors driving diversification within volcanic archipelagos. However, few studies have focused on effect that catastrophic events had patterns within-island differentiation in geological time. This study employed data from chloroplast (cpDNA haplotypes) nuclear (AFLPs) genomes to examine genetic variation Canarina canariensis, an iconic plant species associated with endemic laurel...

10.1111/mec.13282 article EN Molecular Ecology 2015-06-19

Abstract Aim North‐west Africa, because of its position at the crossroads between Macaronesia and Iberian Peninsula, has played an important role on emergence maintenance Mediterranean plant diversity. In this study, we reconstruct phylogeographical history a lineage bellflowers comprising north African‐south species Campanula kremeri Canarian occidentalis ( Azorina ‐group), to investigate genetic imprints left by past climatic palaeogeographical events northern African flora. Location...

10.1111/jbi.12997 article EN Journal of Biogeography 2017-04-17

Abstract The African Austro-temperate Flora stands out by its important species richness. A distinctive element of this flora is Monsonia (Geraniaceae), mostly found in the Namib-Karoo but also Natal-Drakensberg, Somalian Zambezian and Saharo-Arabian regions. Here, we reconstruct evolution biogeographic history based on nuclear plastid markers, examine role morphological niche diversification using distribution modeling macroevolutionary models. Our results indicate that first diversified...

10.1038/s41598-017-09834-6 article EN cc-by Scientific Reports 2017-08-23

Abstract Erodium maritimum L. is an annual species presenting heterogeneous, sometimes very small, and distant populations, distributed along a discontinuous coastal strip of the European Atlantic central western Mediterranean basin. The aim this study to investigate genetic variation geographic structure changes across its large distribution. Fourteen populations E. were studied using AFLP fingerprints, together with their population sizes, reproductive systems flower visitors. markers...

10.1111/j.1438-8677.2012.00621.x article EN Plant Biology 2012-06-21
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