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Sub-series 1: Angus & Robertson book reviews in bound volumes, 1894-1970

Citizen science data (CSD) have the potential to be a powerful scientific approach to assess, monitor and predict biodiversity. Here, we ask whether CSD could be used to predict biodiversity of recently constructed man-made habitats. Biodiversity data on adult dragonfly abundance from all kinds of aquatic habitats collected by citizen scientists (volunteers) were retrieved from the Swedish Species Observation System and were compared with dragonfly abundance in man-made stormwater ponds. The abundance data of dragonflies in the stormwater ponds were collected with a scientific, standardized design. Our results showed that the citizen science datasets differed significantly from datasets collected scientifically in stormwater ponds. Hence, we could not predict biodiversity in stormwater ponds from the data collected by citizen scientists. Using CSD from past versus recent years or from small versus large areas surrounding the stormwater ponds did not change the outcome of our tests. However, we found that biodiversity patterns obtained with CSD were similar to those from stormwater ponds when we restricted our analyses to rare species. We also found a higher beta diversity for the CSD compared to the stormwater dataset. Our results suggest that if CSD are to be used for estimating or predicting biodiversity, we need to develop methods that take into account or correct for the under-reporting of common species in CSD.

Scientific reports, 2020-06, Vol.10 (1), p.9380-9380, Article 9380

Can information from citizen science data be used to predict biodiversity in stormwater ponds?

Dans l'approche des sociétés de l'extrême Orient, le chercheur occidental est déterminé par l'emploi de concepts façonnés par sa propre culture. Loin d'avoir été créées par les sciences humaines et à leur usage, des notions comme « coutume » , « moeurs », « rite » ont pris structure au fil d'une longue histoire, qui fut avant tout celle d'une pensée juridique. L'auteur tente ici de baliser cette histoire et d'inscrire, sur la trame qu'elle dessine, le regard croisé entre Orient et Occident que suscite la démarche anthropologique. When studying Far East societies, the Western scholar relies upon concepts indigenous to his own culture. Far from being created by social sciences and to their own usage, notions such as "custom", "mores", "rite" have been refined in the context of the long history of a specific legal thought. The author attempts here to revisit this history and to include in this framework an anthropological and comparative reflexion between the East and the West.

Extrême-Orient, Extrême-Occident, 2001-01, Vol.23 (23), p.145-166

La coutume, les mœurs et le rite Regards croisés sur les catégories occidentales de la norme non écrite

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Sub-series 1: Angus & Robertson book reviews in bound volumes, 1894-1970

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Can information from citizen science data be used to predict biodiversity in stormwater ponds?

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La coutume, les mœurs et le rite Regards croisés sur les catégories occidentales de la norme non écrite

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