This map shows the geographic impact of R.A. Schipper'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 R.A. Schipper with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites R.A. Schipper more than expected).
This network shows the impact of papers produced by R.A. Schipper. 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 R.A. Schipper. The network helps show where R.A. Schipper may publish in the future.
Co-authorship network of co-authors of R.A. Schipper
This figure shows the co-authorship network connecting the top 25 collaborators of R.A. Schipper.
A scholar is included among the top collaborators of R.A. Schipper 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 R.A. Schipper. R.A. Schipper is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Jansen, Hans, Amy Damon, John Pender, W.G. Wielemaker, & R.A. Schipper. (2003). Sustainable development in the Hillsides of Honduras: A livelihoods approach. Socio-Environmental Systems Modeling.3 indexed citations
Bouman, B.A.M., Reimund P. Rötter, R.A. Schipper, & Alice G. Laborte. (2000). Regional Land Use Analysis to Support Agricultural and Environmental Policy Formulation. Socio-Environmental Systems Modeling. 471–488.1 indexed citations
Sáenz-Ségura, Fernando, et al.. (1999). Analisis del efecto de politicas agricolas sobre el uso de la cuenca del rio Aranjuez. Socio-Environmental Systems Modeling.1 indexed citations
13.
Bouman, B.A.M., et al.. (1998). An integrated methodology for sustainable land use exploration using GIS. Socio-Environmental Systems Modeling. 230–237.3 indexed citations
Bouma, J., L.O. Fresco, D.M. Jansen, et al.. (1994). Sustainable land use planning in Costa Rica: a methodological case study on farm and regional level.. Socio-Environmental Systems Modeling. 183–202.10 indexed citations
17.
Erenstein, Olaf & R.A. Schipper. (1993). Linear programming and land use planning: a case study of Matara district, Sri Lanka.. Socio-Environmental Systems Modeling.4 indexed citations
18.
Erenstein, Olaf & R.A. Schipper. (1992). Land use planning : an application of multilevel and multicriteria linear programming models : draft. Socio-Environmental Systems Modeling.1 indexed citations
19.
Fresco, L.O., et al.. (1988). Land evaluation and farming systems analysis for land use planning. (3rd ed.). Socio-Environmental Systems Modeling.43 indexed citations
20.
Schipper, R.A., et al.. (1988). Evaluation of development policies using integrated bio-economic land use models: applications to Costa Rica.3 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.