Context: Gamma-ray binaries consist of a normal star and a neutron star or a black hole orbiting around the same centre of mass. This interaction produces emission of gamma rays which dominates the electromagnetic spectrum. ...

Abstract Understanding the role of elephant in the structure and functioning of African savanna ecosystems requires a mechanistic understanding of their habitat and diet selection at the landscape scale. To this end a ...

Three arachnid species, the rock scorpion Hadogenes gunningi, the burrowing scorpion Opistophthalmus pugnax and the baboon spider Harpactira hamiltoni have been identified as species of conservation interest for inclusion ...

Conservation has led to African elephants (Loxodonta africana) being reintroduced to small game reserves. However, only a few studies have been done on how elephants react to their new environment after a translocation. ...

Relationships between occurrence of a species and features of habitats occupied are central to establish factors that influence its distribution. Within large protected areas extinction processes may cause retractions of ...

Urban sprawl has created an environment of separation between human-made and the natural. As land is developed, habitats are demolished, and species are forced to relocate. Natural ecosystems are destroyed, creating ...

To describe the frequency of full blood count and serological abnormalities at diagnosis of systemic sclerosis (SSc) and correlates with acute phase reactants, specific clinical features and mortality. Patients and ...

Chronic kidney disease (CKD) is an increasingly important cause of morbidity and mortality worldwide and it is in developing countries, such as South Africa, that bears the greatest portion of the burden of CKD. Anaemia ...