Stratigrafialle

Stratigrafialle is a proposed interdisciplinary framework that seeks to integrate stratigraphic analysis with genetic or allelic data to interpret the temporal and depositional history of layered records. The term blends core ideas from stratigraphy, which documents the arrangement and age of rock or sediment layers, with genetic information derived from ancient DNA, environmental DNA, or population-level variants found within stratified materials. In this conceptual approach, biological signals are examined in the context of their geological context, enabling researchers to relate genetic changes to specific stratigraphic units and depositional events.

Key concepts in stratigrafialle include the alignment of stratigraphic boundaries with time-calibrated genetic data, the use of layer-specific samples to reconstruct demographic or ecological patterns, and the application of probabilistic models to integrate uncertainties in both stratigraphy and genetics. Common methods involve field stratigraphy, core sampling, radiometric dating, palaeoenvironmental proxies, aDNA or eDNA analysis, and Bayesian or machine-learning frameworks to infer correlations between layer formation and genetic change.

Applications of stratigrafialle are envisioned mainly in paleoarchaeology, palaeogenomics, and sedimentary geology, where researchers aim to connect environmental transitions with shifts in population structure or lineage diversification. While still in a developmental stage, proponents argue that stratigrafialle can enhance chronological resolution and ecological interpretation of complex, layered archives.

Limitations include taphonomic bias, DNA preservation issues, mixing of materials across layers, and methodological uncertainties in linking genetic signals to precise stratigraphic events. See also stratigraphy, paleogenomics, and environmental DNA.