Data Sources and Bibliometric Information
The 5th edition of the Research.com Best Ecology and Evolution Scientists in Qatar Ranking is primarily based on bibliometric data aggregated from leading scholarly databases, specifically OpenAlex and CrossRef, complemented by multiple other reputable data sources. The citation-based metrics used to generate the ranking were collected on January 12, 2026, ensuring up-to-date and comprehensive coverage. A scientist's position in this ranking is determined by their D-index (Discipline H-index), a metric which exclusively considers publications and citation counts relevant to the examined discipline, in this case, Ecology and Evolution.
Scope of Research and Ranking Criteria
The ranking process was informed by a thorough examination of 279,971 scientist profiles drawn from a diverse array of bibliometric data repositories across all disciplines. Within the Ecology and Evolution discipline specifically, 1,294 scientists were identified and evaluated. To qualify for inclusion in the ranking, a scientist must have a D-index of at least 30, with the majority of their tier publications appearing in the area of Ecology and Evolution. Additionally, awards and notable achievements within the field were taken into account.
The threshold for the D-index used to identify top researchers is calibrated in increments of 10, depending on the estimated total number of scholars within each discipline. This approach ensures that the ranking includes the top 1% of leading experts in Ecology and Evolution. Furthermore, to maintain a focus on discipline-specific impact, a proximity criterion requires that the difference between a scientist’s general H-index and their discipline-specific D-index does not exceed 30%.
Verification and Validation Practices
We recognize that raw bibliometric data alone should never be considered an absolute measure of scholarly output or impact. Accordingly, all scientist profiles included in the ranking have undergone manual verification and cross-correlation with publications listed in a broad range of trustworthy scholarly sources. While publication counts in prominent journals and conference proceedings do not directly influence a researcher’s rank position, we acknowledge that such metrics provide a valuable secondary indicator of a scientist’s contribution to research within their specialty.
The ranking position is ultimately determined based on each researcher’s D-index, derived from data sourced primarily from OpenAlex and CrossRef—two of the most prominent and widely recognized bibliometric databases accessible to the research community. For a detailed explanation of the methodology employed, readers are encouraged to visit our methodology page.
Research.com’s Mission and Purpose
At Research.com, our mission is to inspire and empower researchers, companies, and policy makers worldwide to gain insight into the trajectories and achievements of leading experts in diverse fields of study. By providing transparent and rigorously derived rankings, we aim to facilitate the global scientific community’s recognition of top researchers at national, regional, and institutional levels. The creation of this ranking for Ecology and Evolution in Qatar exemplifies our commitment to fostering awareness of excellence in science and promoting informed decision-making across academia and beyond.
