Data Sources and Citation Metrics
The 5th edition of the Research.com Best Ecology and Evolution Scientists in Denmark Ranking is primarily based on comprehensive bibliometric data sourced from OpenAlex and CrossRef, supplemented by multiple additional reputable data repositories. These databases collectively provide robust, high-quality metadata on scientific publications and citations. The bibliometric data used to devise the citation-based metrics for this ranking were collected on January 12, 2026. A researcher’s position in the ranking is determined by their D-index (Discipline H-index), a metric that specifically reflects an individual’s scholarly output and impact within the Ecology and Evolution discipline by including only papers and citation metrics relevant to this field.
Scope of Research and Qualification Criteria
To define the scope of this ranking, a total of 279,971 scientist profiles were analyzed across all disciplines, of which 107 individuals were specifically identified within the Ecology and Evolution domain. Qualification for inclusion in the ranking required a minimum D-index of 30 alongside the stipulation that the majority of an individual’s tier publications must be within Ecology and Evolution. Furthermore, scientists’ awards and notable achievements in the discipline were also considered as supplementary indicators of their academic influence.
The threshold for the D-index is dynamically calibrated in increments of 10, depending on the estimated total number of scholars within each discipline. This approach ensures that the top 1% of leading scholars are consistently incorporated into the list across varying field sizes. Additionally, to maintain discipline-specific relevance, candidates selected for the ranking exhibit a proximity of 30% or less between their general H-index and their D-index, thereby confirming a focused research profile within Ecology and Evolution.
Verification and Methodological Rigor
Recognizing that raw bibliometric data alone cannot fully capture the nuanced research contributions of individual scholars, the Research.com team applies thorough verification protocols. All scientist profiles were manually reviewed and their publication records cross-correlated against a broad array of trustworthy and authoritative sources to ensure accuracy and reliability.
Although the number of papers published in prominent journals and conferences does not directly influence the ranking position, it serves as a valuable secondary signal of a scientist’s research impact within Ecology and Evolution. The final ranking positions are established exclusively based on each researcher’s D-index as calculated from data principally derived from OpenAlex and CrossRef — two of the most prominent and well-recognized bibliometric databases available to the global research community.
For further details about the comprehensive methodology, we welcome readers to consult our methodology page.
Research.com’s Mission and Vision
At Research.com, our mission is to inspire and empower researchers, industry leaders, and policymakers worldwide by illuminating where the foremost experts in various scientific disciplines are leading the way. This ranking provides an objective and transparent pathway for the research community to identify and connect with top-tier scientists in Ecology and Evolution—whether at the country level, within specific institutions, or across particular fields of study.
By delivering meticulously curated and credible rankings, we aim to foster collaboration, accelerate scientific discovery, and support evidence-based decision-making that propels research excellence globally.