Jean-Michel Onana

TL;DR: In this article, a robust framework for the application of compound-specific hydrogen isotopes in tropical Africa is presented, where the authors show that the δD values of the aquatic lipid biomarker n-C17 alkane were not correlated with the ǫd values of lake water, and that the combination of carbon and hydrogen isotope does help to differentiate between the metabolic pathway and growth form of organisms and therefore, the source of hydrogen used during lipid biosynthesis.

TL;DR: In this article, a set of non-linear binary mixing models using δ13C values from both C3 and C4 vegetation as end-members were used to estimate the fractional contribution (areal-based) of C3 vegetation cover represented by these sedimentary archives.

TL;DR: A 10,500-y sedimentary record from Lake Barombi, Southwest Cameroon, demonstrates that the rainforest crisis was not associated with any significant hydrological change and suggests that technological developments, including agricultural practices and iron metallurgy, significantly impacted the ecosystems before the Common Era.

TL;DR: The authors examines the subject of the phytogeographic delimitation of the area of the Cross River-Sanaga River interval is known to be of importance in primate geography.