Biological recording is in essence a very simple concept in which a record is the report of a
species at a physical location at a certain time. The collation of these records into a dataset …

People have been recording wildlife for centuries and the resulting datasets lead to
important scientific research. The Biological Records Centre (BRC), established in 1964, is a …

There is increasing availability and use of unstructured and semi‐structured citizen science
data in biodiversity research and conservation. This expansion of a rich source of 'big …

The status of pollinating insects is of international concern, but knowledge of the magnitude
and extent of declines is limited by a lack of systematic monitoring. Standardized protocols …

Citizen science data are increasingly making valuable contributions to ecological studies.
However, many citizen science surveys are also designed to encourage wide participation …

Based on plant occurrence data covering all parts of Germany, we investigated changes in
the distribution of 2136 plant species between 1960 and 2017. We analyzed 29 million …

Many species are extending their leading-edge (cool) range margins polewards in response
to recent climate change. In the present study, we investigated range margin changes at the …

IUCN Red Lists are recognized worldwide as powerful instruments for the conservation of
species. Quantitative criteria to standardize approaches for estimating population trends …

The three‐dimensional rarity typology proposed by Rabinowitz in 1981, based on
geographic range, habitat specificity, and local abundance, is among the most widely used …

Citizen science is the involvement of citizens, such as farmers, in the research process.
Citizen science has become increasingly popular recently, supported by the proliferation of …