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[We're still looking - deadline extended to July 31] #Postdoc in Bordeaux, on #integrated #modelling using opportunistic + standardised biodiversity survey data jobs.inrae.fr/en/ot-18028 18 to 24 months. Planned interactions with a team of quantitative ecologists, including @flaroche @clementcalenge and other nice folks not on social media. Application to 🦋 🥀communities. Get in touch if interested! [Please RT]

INRAE JobsPostdoctoral researcher in statistical ecology◼ Context Opportunistic (presence-only) biodiversity data are widely available in multiple databases (e.g. GBIF, eBird, iNaturalist, national databases) but the absence of a standard survey design creates spatial and taxonomic biases, which complicates statistical analyses, and limits our ability to draw ecological conclusions regarding the factors governing the spatial distribution and diversity of species. Conversely, presence-absence or abundance standardised survey data are easier to analyse, but are usually found in lower amounts, as well as often spatially restricted to a network of sites. This makes spatial prediction of probability of presence, and by extension fine-scale spatial prediction of biodiversity indicators, very difficult using only well-designed survey data. The recent statistical ecology literature suggests that the combination of these two data types in so-called “integrated” statistical models is promising, since survey data can help to estimate sampling intensity in presence data, and thus “calibrate” more abundant but opportunistic data.   The objective of the postdoc is to pursue this line of research on integrated distribution models, using statistical models both rigorous and able to capitalize on multiple data types. An application to butterfly communities is planned, as for this taxa both data and a team expertise are available.    ◼ You will join the Biogeco Lab (Biodiversity, Genes and Communities; joint unit of INRAE and University of Bordeaux) on the campus of the University of Bordeaux. You will work in close interaction with the Institute of Mathematics of Bordeaux and FAUNA which collates regional naturalist data. You will be supervised by Didier Alard (UMR Biogeco & FAUNA) and Frédéric Barraquand (Institute of Mathematics of Bordeaux).   The postdoc is included within a larger working group in statistical ecology for biodiversity monitoring of the French Office for Biodiversity (OFB), that will yield additional opportunities to interact with colleagues from OFB as well as INRAE Toulouse and Nogent.   ◼ You will be in charge of exploring opportunistic and standardised survey data (e.g. butterflies) to grasp their main features literature review of statistical methods for opportunistic data (data fusion / integrated models as well as their alternatives, e.g.  occupancy models) implementation and evaluation of data fusion / integrated distribution models on simulated data and then real data article writing with other project members