A scientist's placement within the ranking is determined by their Discipline H-index (D-index), a refined metric which considers only publications and associated citations strictly within the examined discipline. By isolating disciplinary contributions, the D-index provides a focused and relevant assessment of a researcher’s stature and impact within Ecology and Evolution.
Scope of Research and Qualification Criteria
The ranking methodology involved the examination of 279,971 scientist profiles from a diverse array of bibliometric sources across all scientific disciplines. Within this extensive dataset, 2,000 scientists specializing specifically in Ecology and Evolution were identified and assessed. To qualify for inclusion in the ranking, a scientist was required to have a D-index of at least 30, ensuring a benchmark level of discipline-specific impact. Additionally, a majority of each eligible scientist’s tier publications had to be demonstrably within the Ecology and Evolution field. Recognized awards and notable achievements relevant to Ecology and Evolution were also considered as supplementary indicators of scholarly excellence.
The threshold for D-index eligibility is calibrated on an incremental scale by tens, reflecting the estimated size of the scholarly community for each discipline. This approach maintains inclusivity by guaranteeing that the top 1% of leading experts are incorporated into the ranking. Furthermore, a validation criterion was applied requiring a proximity of 30% or less between a scientist’s overall general H-index and their discipline-specific D-index, thereby ensuring consistent scholarly contribution within the focal discipline.
Additional Verification Practices
Recognizing that raw bibliometric data alone cannot fully capture the nuanced scholarly output of researchers, the compilation team conducted rigorous manual verification of all scientist profiles. This process included cross-referencing publication records against a broad spectrum of trusted sources to validate authenticity and disciplinary relevance.
While not directly affecting ranking positions, the volume of papers published in prominent journals and leading conference proceedings was regarded as a valuable secondary indicator of a scientist’s influence and active engagement in their field. The final ranking is established strictly through the D-index metric as calculated from data provided by OpenAlex and CrossRef, two of the most reliable and widely respected bibliometric databases accessible to the global research community.
For a detailed exposition of the methodology employed in constructing this ranking, readers are encouraged to visit our methodology page.
Research.com’s Mission and Vision
The overarching mission behind the creation of the Research.com rankings is to inspire and empower researchers, academic institutions, companies, and policymakers worldwide to identify and track the trajectories of leading experts in various fields. By providing transparent, data-driven insights into who the foremost scholars are within specific areas of study, countries, or institutions, we aim to foster collaboration, recognition, and informed decision-making across the global scientific community.
We pride ourselves on the meticulous and stringent processes applied in developing this ranking, underscoring our commitment to accuracy, credibility, and the advancement of science worldwide.
