Herbarium Specimen Applications in Biodiversity and Conservation Studies
Summary
Herbarium specimens—pressed and preserved plant materials maintained in curated collections—have long served as vital records of species occurrence, morphology and distribution. In recent decades, advances in digitisation, imaging and analytical techniques have transformed herbaria into dynamic data repositories for biodiversity research and conservation planning. Specimens now underpin studies of phenological shifts, trait evolution, historical distribution changes and responses to global change drivers. By coupling specimen metadata with geospatial and temporal information, researchers can reconstruct past environments, identify priority areas for protection and monitor the impacts of land‐use change, pollution and climate warming. Modern workflows integrate high‐throughput digitisation with machine learning and spectroscopy to extract anatomical, chemical and phenological data at scales previously unimaginable. Virtual herbaria and global data portals facilitate rapid access to millions of records, supporting conservation assessments, niche modelling and restoration efforts around the world. In sum, herbarium specimens provide a long‐term, verifiable and scalable platform for evidence‐based biodiversity science and the development of effective conservation strategies.
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Herbarium Specimen Applications in Biodiversity and Conservation Studies publication trend
The graph below shows the total number of articles in herbarium specimen applications in biodiversity and conservation studies across all publications each year (not limited to Nature Index journals).
Technical terms
Herbarium specimen: A dried, pressed plant sample preserved on archival paper, accompanied by collection data (date, location, collector), used for taxonomic, ecological and historical studies.
Digitisation: The process of creating high-resolution digital images of specimens and converting associated label information into searchable data.
Near-Infrared Spectroscopy (NIRS): A non-destructive analytical technique that measures molecular absorbance in the near-infrared range to infer chemical composition, such as nutrient content, in plant tissues.
Phenology: The study of the timing of seasonal biological events (e.g., flowering, fruiting) and their relationship to environmental factors like temperature and precipitation.
Virtual herbarium: An online platform that aggregates digitised specimen images and metadata, enabling digital access, searchability and integration with other biodiversity databases.
References
- O armário: Fruiting phenology data for 4,462 plant taxa in Portugal (1926–2013). Scientific Data (2024).
- Nitrogen content of herbarium specimens from arable fields and mesic meadows reflect the intensifying agricultural management during the 20th century. Journal of Ecology (2025).
- Using herbaria to study global environmental change. New Phytologist (2018).
- Enhancement of conservation knowledge through increased access to botanical information. Conservation Biology (2019).
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