This map shows the geographic impact of Bernd Ulber'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 Bernd Ulber with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Bernd Ulber more than expected).
This network shows the impact of papers produced by Bernd Ulber. 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 Bernd Ulber. The network helps show where Bernd Ulber may publish in the future.
Co-authorship network of co-authors of Bernd Ulber
This figure shows the co-authorship network connecting the top 25 collaborators of Bernd Ulber.
A scholar is included among the top collaborators of Bernd Ulber 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 Bernd Ulber. Bernd Ulber is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Ulber, Bernd, et al.. (2010). Influence of different winter oilseed rape cultivars on the reproduction and population density of the pollen beetle, Meligethes aeneus.. Julius-Kühn-Archiv. 257–258.1 indexed citations
Menzler‐Hokkanen, Ingeborg, Heikki Hokkanen, Wolfgang Büchs, et al.. (2006). Insect problems in European oilseed rape cultivation, and how to deal with them: the OSR farmers' perspective. Rothamsted Repository (Rothamsted Repository).5 indexed citations
9.
Menzler‐Hokkanen, Ingeborg, Heikki Hokkanen, Wolfgang Büchs, et al.. (2006). Implementation of IPM strategies: constraints and motivations to change farming practices.
10.
Büchs, Wolfgang, Z. Klukowski, Anne Luik, et al.. (2006). Key predator species in oilseed rape crops - a review of literature and MASTER results. Rothamsted Repository (Rothamsted Repository).2 indexed citations
11.
Hokkanen, Heikki, Ingeborg Menzler‐Hokkanen, Wolfgang Büchs, et al.. (2006). Effectiveness of entomopathogenic nematodes in the control of oilseed rape pests. Rothamsted Repository (Rothamsted Repository).
12.
Ulber, Bernd, Karl Fischer, Z. Klukowski, et al.. (2006). Identity of parasitoids and their potential for biocontrol of oilseed rape pests in Europe. Rothamsted Repository (Rothamsted Repository).4 indexed citations
13.
Williams, I. H., Wolfgang Büchs, Heikki Hokkanen, et al.. (2005). MASTER - integrating biological control within IPM for winter oilseed rape across Europe. Rothamsted Repository (Rothamsted Repository).2 indexed citations
14.
Büchs, Wolfgang, et al.. (2004). The EU project MASTER (MAnagement STrategies for European Rape pests): a review of progress. GoeScholar The Publication Server of the Georg-August-Universität Göttingen (Georg-August-Universität Göttingen).3 indexed citations
Ulber, Bernd, et al.. (2004). Phenology and population structure in the autumn flight of Rhopalosiphum padi in Northern Germany.. 375–381.4 indexed citations
17.
Williams, I. H., Wolfgang Büchs, Heikki Hokkanen, et al.. (2002). MASTER: management strategies for European rape pests - a new EU project. Rothamsted Repository (Rothamsted Repository).4 indexed citations
18.
Tiedemann, Andreas von, et al.. (1999). Impact of crop rotation and soil cultivation on the development of pests and diseases of rapeseed.. Zeitschrift für Pflanzenkrankheiten und Pflanzenschutz. 106(1). 57–73.5 indexed citations
19.
Ulber, Bernd, et al.. (1990). Field tests on the effects of organic-manure applications on Collembola and other small arthropods, pests of seedlings in sugarbeet stands.. Zeitschrift für Pflanzenkrankheiten und Pflanzenschutz. 97(3). 588–599.2 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.