Sciences de la Terre et de l'environnement

Article scientifique

Multi-gas and multi-source comparisons of six land use emission datasets and AFOLU estimates in the Fifth Assessment Report, for the tropics for 2000–2005

Abstract. The Agriculture, Forestry and Other Land Use (AFOLU) sector contributes with ca. 20–25 % of global anthropogenic emissions (2010), …

2016 Open Access

Article scientifique

Mercury removal during growth of mercury tolerant and self-aggregating Yarrowia spp.

Ecotoxicological implications of mercury (Hg) pollution of hydrosphere require effective Hg-removal strategies as antidote to the environmental problems. Mercury-tolerant yeasts, …

2016 Open Access

Article scientifique

Dispersal in the sub-Antarctic: king penguins show remarkably little population genetic differentiation across their range

BACKGROUND: Seabirds are important components of marine ecosystems, both as predators and as indicators of ecological change, being conspicuous and …

2016 Open Access

Article scientifique

New Raffaelea species (Ophiostomatales) from the USA and Taiwan associated with ambrosia beetles and plant hosts

Raffaelea (Ophiostomatales) is a genus of more than 20 ophiostomatoid fungi commonly occurring in symbioses with wood-boring ambrosia beetles. We …

2016 Open Access

Article scientifique

Assessment of antibiotic residues in commercial and farm milk collected in the region of Guelma (Algeria)

In an attempt to enhance the quality and quantity of food production (especially milk) and in order to prevent, or …

2016 Open Access

Article scientifique

Estimating Lion Abundance using N-mixture Models for Social Species

Declining populations of large carnivores worldwide, and the complexities of managing human-carnivore conflicts, require accurate population estimates of large carnivores …

2016 Open Access

Article scientifique

Wild Herbivore Grazing Enhances Insect Diversity over Livestock Grazing in an African Grassland System

Southern Africa's grassland biodiversity is threatened by habitat transformation such as commercial forestry. Ecological networks (ENs) have been instigated to …

2016 Open Access

Article scientifique

Oxygen utilization and downward carbon flux in an oxygen-depleted eddy in the eastern tropical North Atlantic

Abstract. The occurrence of mesoscale eddies that develop suboxic environments at shallow depth (about 40–100 m) has recently been reported …

2016 Open Access

Article scientifique

Testing the Accuracy of Aerial Surveys for Large Mammals: An Experiment with African Savanna Elephants (Loxodonta africana)

Accurate counts of animals are critical for prioritizing conservation efforts. Past research, however, suggests that observers on aerial surveys may …

2016 Open Access

Article scientifique

Hunting as a management tool? Cougar-human conflict is positively related to trophy hunting

BACKGROUND: Overexploitation and persecution of large carnivores resulting from conflict with humans comprise major causes of declines worldwide. Although little …

2016 Open Access

Article scientifique

The Impact of Rainfall on Soil Moisture Dynamics in a Foggy Desert

Soil moisture is a key variable in dryland ecosystems since it determines the occurrence and duration of vegetation water stress …

2016 Open Access

Article scientifique

Mapping the Elephants of the 19th Century East African Ivory Trade with a Multi-Isotope Approach

East African elephants have been hunted for their ivory for millennia but the nineteenth century witnessed strongly escalating demand from …

2016 Open Access

Article scientifique

The initiation of segmented buoyancy-driven melting during continental breakup

Melting of the mantle during continental breakup leads to magmatic intrusion and volcanism, yet our understanding of the location and …

2016 Open Access

Article scientifique

Response of Core Microbial Consortia to Chronic Hydrocarbon Contaminations in Coastal Sediment Habitats

Traditionally, microbial surveys investigating the effect of chronic anthropogenic pressure such as polyaromatic hydrocarbons (PAHs) contaminations consider just the alpha …

2016 Open Access

Article scientifique

A Complete Fossil-Calibrated Phylogeny of Seed Plant Families as a Tool for Comparative Analyses: Testing the ‘Time for Speciation’ Hypothesis

Explaining the uneven distribution of species richness across the branches of the tree of life has been a major challenge …

2016 Open Access

Article scientifique

Artificial light at night affects body mass but not oxidative status in free-living nestling songbirds: an experimental study

Artificial light at night (ALAN), termed light pollution, is an increasingly important anthropogenic environmental pressure on wildlife. Exposure to unnatural …

2016 Open Access

Article scientifique

Groundwater recharge rates and surface runoff response to land use and land cover changes in semi-arid environments

The effects of land use and land cover (LULC) on groundwater recharge and surface runoff and how these are affected …

2016 Open Access

Article scientifique

Massive yet grossly underestimated global costs of invasive insects

Insects have presented human society with some of its greatest development challenges by spreading diseases, consuming crops and damaging infrastructure. …

2016 Open Access

Article scientifique

Estimating ionospheric currents by inversion from ground-based geomagnetic data and calculating geoelectric fields for studies of geomagnetically induced currents

This research focuses on the inversion of geomagnetic variation field measurements to obtain the source currents in the ionosphere and …

2016 Open Access

Article scientifique

Obtaining the partially acidulated phosphate rocks by means of intermediate-grade phosphate and diluted phosphoric acid: Influence of some parameters

Abstract In this work, some parameters during the partial acidulation by phosphoric acid of phosphate 53.75% BPL (bone phosphate of …

2016 Open Access