A5083146310- Ecology and Vegetation Dynamics Studies
- Environmental and Cultural Studies in Latin America and Beyond
- Plant Water Relations and Carbon Dynamics
- Plant Taxonomy and Phylogenetics
- Plant and animal studies
- Species Distribution and Climate Change
- Tree-ring climate responses
- Wildlife Ecology and Conservation
- Botany, Ecology, and Taxonomy Studies
- Botany and Geology in Latin America and Caribbean
- Plant and soil sciences
- Wildlife-Road Interactions and Conservation
- Agroforestry and silvopastoral systems
- Genetic diversity and population structure
- Animal Ecology and Behavior Studies
- Forest ecology and management
- Wildlife Conservation and Criminology Analyses
- Rangeland and Wildlife Management
- Mediterranean and Iberian flora and fauna
- Scarabaeidae Beetle Taxonomy and Biogeography
- Invertebrate Taxonomy and Ecology
- Botanical Research and Chemistry
- Coral and Marine Ecosystems Studies
- Tree Root and Stability Studies
- Plant Diversity and Evolution
University of Bari Aldo Moro
2025
Centro de Recursos Educativos Avanzados
2012-2024
Institute of Ecology and Biodiversity
2014-2024
University of La Serena
2015-2024
University of Concepción
2023
Instituto de Estudios Avanzados
2007-2020
Instituto de Ecología
2020
University of Chile
2006-2019
Centro de Estudios Científicos
2015
There is an exceptional group of alpine peatlands in the world situated arid grasslands central Andes.The northern Chile occur most part their range.Members Juncaceae are primary peat-forming plant species.Fresh and mildly saline groundwaters originate from glaciers, snowmelt rain water sources for peatlands.Paleoecological investigations suggest that some recent features landscape having developed within last three thousand years or less.These unique, extremely fragile sensitive to climate...
Hyperarid climates in western South America from 15°S to 29°S, extending up 3,000 m the northern Chilean Andes, result primarily Andes intercepting precipitation Intertropical Convergence during which i cie is thought have increased east west, as opposed west east, occurs north of 25% today.For t les remaining intact vegetation belts (desert scrub, Andean, and high Andean) by hriday on à d scale.Although diversity (measured a synthetic characteristic e areas highest rainfall, annual herbs...
Abstract The fast–slow plant economics spectrum predicts that because of evolutionary and biophysical constraints, different organs must be coordinated to converge in a unique ecological strategy within continuum shifts from fast slow resource acquisition conservation. Therefore, along gradient aridity, taxa with strategies will expected successful selection pressures for become stronger as the environment becomes drier. In extremely arid seasonal environments, however, may disadvantageous...
Abstract While climatic extremes are predicted to increase with global warming, we know little about the effect of variability on biome distribution. Here, show that rainy El Niño Southern Oscillation (ENSO) events can enhance tree recruitment in arid and semiarid ecosystems north‐central Chile northwest Peru. Tree‐ring studies natural populations revealed episodes have triggered forest regeneration Field experiments indicate seedling is much less successful than Peru due mostly larger...
Human population growth since the mid-1900s has been accompanied by an unsustainable use of natural resources and a corresponding impact on terrestrial marine biota. In response, most states have established protected areas as tools to decrease biodiversity loss, being Chile one signatories international conservation agreements such Convention Biological Diversity (CBD) 2010 Aichi Targets. This study reviews Chilean that created date, with emphasis existence effectiveness management plans...
Glaciers in the dry Chilean Andes provide important ecological services, yet their mass-balance response to past and ongoing climate change has been little studied. This study examines recent (2002-2015), historical (1955-2005) (5000 m), using a combination of glaciological, geodetic, ice core observations. Mass balance predominantly negative since 2002. Analysis meteorological data 2002 suggests that mass is currently mostly sensitive precipitation variations, while low temperatures,...
Abstract Background Sarcopenia is prevalent in patients with inflammatory bowel disease (IBD) and impacts surgical therapeutic outcomes.The use of different muscles for the study sarcopenia described literature. The ultrasound diaphragm a rapid, reproducible, non-invasive rapid learning curve.The aim this work was to evaluated whether diameter muscle (DM) correlated clinical SARC-F score IBD, order DM measurement as tool diagnosis population. Methods Consecutive IBD were enrolled.All...
Abstract Background Malnutrition is a common condition of patients with inflammatory bowel disease (IBD) and could be associated sarcopenia i.e. reduced muscle mass strength. It well demonstrated that sarcopenic IBD have two to three times higher risk lost response biotechnology drugs than non-sarcopenic patients. Methods A prospective observational study was conducted.Consecutive were enrolled. Data collected on characteristics, therapy activity. We data about the frequency(none, low,high)...
Abstract Background Sarcopenia is prevalent in patients with inflammatory bowel disease(IBD) and impacts surgical therapeutic outcomes; thus, effective diagnostic tools are needed to assess muscle mass function IBD population.The ileo-psoas muscle(IP) has already been used the literature for assessment of sarcopenia, however, as it a deep needs experienced operators proper measurement. Therefore, diaphragm (DM) more superficial easily assessed, was examined check its correlation IP. The aim...
Questions: (1) What is the water threshold for shrub seedling establishment in arid scrubland? (2) How do root growth morphological traits affect required establishment? Location: Arid scrubland, Atacama Desert, north-central Chile. Methods: We conducted a field experiment with nine native species under gradient of simulated rainfall to test if deep architecture have higher survival rates and establish more successfully during pulses. Results: Seedling rate was very low; only 2% 12 150...
Background: Chile is committed to extending its National System of Protected Areas (NSPA), focusing on eco-regions whose ecosystems are currently under-represented in the NSPA. A newly proposed law aims create a Service Biodiversity and that would unify terrestrial marine systems. The allow inclusion private protected areas. Aims: We evaluate current status conservation areas propose an eco-regional plan reaching overall target bring 10% all natural under protection. Methods: GAP analysis...
Abstract Plant facilitation is now recognized as an important process in severe environments. However, there still no agreement on how changes conditions become increasingly severe. The classic stress gradient hypothesis ( SGH ) predicts a monotonic increase facilitation, which rises frequency approach the extreme end of environmental gradient. few studies have evaluated validity at community level, level it was formulated. Moreover, tested either gradient, and very excluded effect livestock...
Abstract Questions: (1) What are the roles of regional climate and plant growth rate for seedling establishment during ENSO rainy pulses along western coast South America? (2) is water threshold tree in these arid ecosystems? Location: Atacama Desert, America: Piura (5°10’ S, 80°37’ W), Mejia (17°00’ 71°59’ Fray Jorge (30°41'S,71°37'W). Methods: We experimentally simulated a gradient rainfall three locations encompassing total extent Desert to test relative importance pulses. also carried...
Questions: (1) What are the roles of regional climate and plant growth rate for seedling establishment during ENSO rainy pulses along western coast South America? (2) is water threshold tree in these arid ecosystems? Location: Atacama Desert, America: Piura (5°10' S, 80°37' W), Mejia (17°00' 71°59' Fray Jorge (30°41'S,71°37'W). Methods: We experimentally simulated a gradient rainfall three locations encompassing total extent Desert to test relative importance pulses. also carried out common...