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evaluates the vulnerability of natural heritage in the Northeast Ecuadorian Amazon NEA from the perspective were established i the ecological integrity vulnerability index EIVI indicating the potential loss of protection status 2018 ii the biological diversity vulnerability index BVI deriving the potential loss of biological tropical forests worldwide validating the BVI. Furthermore the moderate spatial correlation between protection spatial congruence correlation between i and ii . The EIVI was directly derived using protection status Vulnerability assessment of natural heritage in the North-Eastern Ecuadorian Amazon using land use cover
that the ratio between the number of sapwood and heartwood rings varies across the Alps. At the same phases accurate estimation of the age of harvested wood and information on the geographical origin of wood samples from across the European Alps to provide a robust statistical model that predicts the cambial age of based on the number of heartwood rings. By extension this model can be used to estimate the number of to approximate the felling date and to more precise date archaeological larch timber. The model requires European larch sapwood: a model for predicting the cambial age and for a more accurate dating - Dendrochronologia
alterations on the land-cover. This challenges the hypothesis that vegetation in the Mid-Holocene was contributes valuable insights to the onset of agriculture as the start of the Anthropocene. Lire la suite land-cover dynamics is key to understanding the human role in the Earth system. Recent advances in palaeoenvironmental study aims to evaluate the role of human impact on European land-cover over the past 6000 years by comparing climate model outputs. The climate model uses natural forcings only and therefore the computed vegetation anthropogenic land-cover modifications throughout the second half of the Holocene. Population estimates correlate published data on land use. High HPI values in the Mid-Holocene suggest significant impact of early impact on European land-cover of second half of the Holocene
during the last 50 000 years and the loss of megaherbivores body weight 1000 kg from most of the continent and maintaining open areas and causing disturbance within closed woody habitats. The herbivores alive remnant of the large species that existed in high diversity and abundance before modern humans. The extinction evaluate these effects within the European temperate forest biome we examine the abundance change of three Taxus baccata before and after the late-Quaternary downgrading of the region''s large herbivore fauna shrubs in European temperate woodlands prior to the late-quaternary extinction of megafauna
multidisciplinarity background from local experiences within the South-Mediterranean environmental research communities multidisciplinarity background from local experiences within the South-Mediterranean environmental research communities
constituting the most robust directly dated Holocene glacier chronology in the Pyrenees. The moraine age site in the Pyrenees or in the Alps elsewhere in Europe. We tentatively link this moraine to the 8.2 ka conjunction with the radiocarbon ages from nearby peat bog cores. Further we hypothesize on the role of Mid-Holocene translate into peat bog deposits in the vicinity of the moraines. Finally based on archeological evidence and ceramic remains collected in the center of Troumouse Cirque the possible influence of its glacier Holocene glacier evolution in the Pyrenees based on 36Cl cosmic-ray exposure dating (Troumouse Cirque
comparing the nature of the pedestrian human or a robot. Based on the results of this experiment and the literature altering the trajectory and by showing the robot awareness of the human presence through the robot head modifying the robot trajectory and glancing at the human is necessary to significantly increase the usability crossing a robot. The visual behavior and user experience of pedestrians were assessed. The first experiment that humans primarily look at the robot's head just before crossing. The second experiment showed that Evaluating the Impact of Time-to-Collision Constraint and Head Gaze on Usability for Robot Navigation
video games. The physical characteristics of HUD that is the physical appearance of the information on Experiments 1 2 and the semantic characteristics that is the composition nature and content of the information assessed. The results showed that players performance and experience were impacted when the semantic characteristics characteristics of the HUD elements were manipulated and when their nature was relevant to the main task players players have to perform within the game. The performance of more experienced players was particularly affected Head-up displays in action video games: the effects of physical and semantic characteristics on player
