Sciences de la Terre et de l'environnement

Article scientifique

Stoichiometry patterns in the androdioecious Acer tegmentosum

This study evaluates stoichiometry patterns in the androdioecious Acer tegmentosum, a species characterized by a rare reproductive system where males …

2016 Open Access

Article scientifique

In situ Measurements and Model Estimates of NO3 and NH4 Uptake by Different Phytoplankton Size Fractions in the Southern Benguela Upwelling System

Bulk measurements can be made of phytoplankton standing stocks on a quasi-synoptic scale but it is more difficult to measure …

2016 Open Access

Article scientifique

Seismicity and neotectonic uplift in the Augrabies Falls National Park, Namaqualand, Northern Cape, South Africa

Gneissic rocks in the Augrabies Falls National Park are part of the Proterozoic Namaqua-Natal mobile belt. Finding neotectonic evidence in …

2016 Open Access

Article scientifique

Seasonal rainfall at long-term migratory staging sites is associated with altered carry-over effects in a Palearctic-African migratory bird

BACKGROUND: An understanding of year-round habitat use is essential for determining how carry-over effects shape population dynamics in long-distance migratory …

2016 Open Access

Article scientifique

Application of paleostress analysis for the identification of potential instability precursors within the Benue Trough Nigeria

Structures such as faults, joints and fractures of diverse patterns have acted as precursors of several slope instability cases within …

2016 Open Access

Article scientifique

Trophy Hunting and Sustainability: Temporal Dynamics in Trophy Quality and Harvesting Patterns of Wild Herbivores in a Tropical Semi-Arid Savanna Ecosystem

The selective nature of trophy hunting may cause changes in desirable phenotypic traits in harvested species. A decline in trophy …

2016 Open Access

Article scientifique

Evaluation of reservoir compartmentalization and property trends using static modelling and sequence stratigraphy

In the context of harder-to-find reserves and rise in development costs, it is vital that reservoir heterogeneities and compartmentalization be …

2016 Open Access

Article scientifique

Ranging Behaviour of Verreaux’s Eagles during the Pre-Breeding Period Determined through the Use of High Temporal Resolution Tracking

Information on movement ecology is key in understanding the drivers and limitations of life history traits and has a potential …

2016 Open Access

Article scientifique

Biosorption of formic and acetic acids from aqueous solution using activated carbon from shea butter seed shells

The efficiency of prepared activated carbon from shea butter seed shells (SB-AC) for the adsorption of formic acid (FA) and …

2016 Open Access

Article scientifique

Drivers of Bird Species Richness within Moist High-Altitude Grasslands in Eastern South Africa

Moist high-altitude grasslands in South Africa are renowned for high avifaunal diversity and are priority areas for conservation. Conservation management …

2016 Open Access

Article scientifique

Towards sustainable membrane filtration of palm oil mill effluent: analysis of fouling phenomena from a hybrid PAC-UF process

Sustainability of a membrane process depends on many factors of which fouling mitigation is the most central. Because membrane fouling …

2016 Open Access

Article scientifique

A Novel Two-Step Method for Screening Shade Tolerant Mutant Plants via Dwarfism

When subjected to shade, plants undergo rapid shoot elongation, which often makes them more prone to disease and mechanical damage. …

2016 Open Access

Article scientifique

A sea surface temperature reconstruction for the southern Indian Ocean trade wind belt from corals in Rodrigues Island (19° S, 63° E)

Abstract. The western Indian Ocean has been warming rapidly over recent decades, causing a greater number of extreme climatic events. …

2016 Open Access

Article scientifique

Effects of holistic grazing management on milk production, weight gain, and visitation to grazing areas by livestock and wildlife in Laikipia County, Kenya

Grazing is an important management tool for maintaining healthy ecosystems and improving rangelands productivity. However, its effectiveness for this purpose …

2016 Open Access

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