This map shows the geographic impact of Robert Oliver's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Robert Oliver with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Robert Oliver more than expected).
This network shows the impact of papers produced by Robert Oliver. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Robert Oliver. The network helps show where Robert Oliver may publish in the future.
Co-authorship network of co-authors of Robert Oliver
This figure shows the co-authorship network connecting the top 25 collaborators of Robert Oliver.
A scholar is included among the top collaborators of Robert Oliver based on the total number of
citations received by their joint publications. Widths of edges
represent the number of papers authors have co-authored together.
Node borders
signify the number of papers an author published with Robert Oliver. Robert Oliver is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Albrecht, Alain, Daniel Borschneck, Christian Feller, et al.. (2006). Effet de différents systèmes de culture à couverture végétale sur le stockage du carbone dans un sol argileux des Hautes Terres de Madagascar. Agritrop (Cirad). 13(2). 113–127.16 indexed citations
5.
Dorel, Marc, et al.. (2005). Azote minéralisable et statut organique des Andosols de Guadeloupe : influence du milieu et des pratiques culturales. Agritrop (Cirad).2 indexed citations
Oliver, Robert, et al.. (2002). Effects of the shea butter tree (Vitellaria paradoxa) on soil fertility at different catena positions in South Mali. Agritrop (Cirad).1 indexed citations
10.
Oliver, Robert, et al.. (2000). Analyse de la durabilité de la fertilité acquise suite à des jachères arborées au Nord-Cameroun. Agritrop (Cirad).3 indexed citations
Louppe, Dominique, et al.. (1998). Maintien de la fertilité dans trois jachères arborées. Bilan minéral (Korhogo, Nord de la Côte d'Ivoire). Agritrop (Cirad). 47–54.2 indexed citations
15.
Oliver, Robert & Francis Ganry. (1994). Etude des modifications de fertilité induites par une jachère arborée. Cas de la zone forestière de Centre Cnte d'Ivoire et annexes. Agritrop (Cirad).2 indexed citations
16.
Oliver, Robert & Philippe Letourmy. (1992). Rôle respectif des différentes fractions granulométriques d'un sol dans ses propriétés physico-chimiques: mise au point d'une méthode non destructive. Agritrop (Cirad). 46(1). 41–49.2 indexed citations
17.
Oliver, Robert, et al.. (1992). Faidherbia albida parks and their influence on soils and crops at Watinoma, Burkina Faso. Agritrop (Cirad). 111–115.12 indexed citations
18.
Poss, Roland, et al.. (1990). Dynamique et lixiviation des éléments minéraux dans les terres de barre du Sud du Togo. Agritrop (Cirad). 45(4). 259–272.3 indexed citations
19.
Oliver, Robert, et al.. (1987). Essai de régénération d'un sol de la zone arachidière du Centre - Nord du Sénégal. Agritrop (Cirad). 42(4). 258–268.2 indexed citations
Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive
bibliographic database. While OpenAlex provides broad and valuable coverage of the global
research landscape, it—like all bibliographic datasets—has inherent limitations. These include
incomplete records, variations in author disambiguation, differences in journal indexing, and
delays in data updates. As a result, some metrics and network relationships displayed in
Rankless may not fully capture the entirety of a scholar's output or impact.