. . . . . . "Substrate-aware multi-taxon biodiversity-exposure overlay for the 2011 Western Australian Ningaloo Niño event on HEALPix-NESTED nside=128" . . . . . . . . . . "Wernberg et al. 2016 sampled the kelp-forest community via diver-transect surveys at 65 reefs across a ~2,000 km tropical-to-temperate transition zone in Western Australia, between 2001 and 2015. This study uses GBIF marine occurrence records as the data source (different sampling — opportunistic occurrence vs structured transect; different scope — broader marine taxa, not just kelp) and a shared HEALPix-NESTED substrate for spatial overlap with the MHW footprint (different aggregation method). The MHW threshold uses a simplified Hobday-style rule (fixed anomaly threshold relative to a 3-year per-DOY climatology + minimum-duration persistence) rather than the canonical Hobday 2016 90th-percentile-per-DOY-over-30-years threshold; the qualitative spatial footprint matches the documented Ningaloo Niño event." . . "NOAA OISST v2.1 daily SST for the Western Australian region in 2011 is aggregated onto a HEALPix-NESTED substrate at WGS84 ellipsoidal projection via healpix-geo and healpix-plot. Marine-heatwave detection follows a Hobday-style rule: anomaly above a per-day-of-year reference climatology, fixed temperature threshold, and minimum-duration persistence. The reference climatology is built from yearly OISST files across a multi-year baseline preceding the event year. The HEALPix aggregation weights only OISST sea cells (using OISST's native sea/land mask) so coastal cells are not diluted by land contributions. Marine biodiversity occurrences are pulled from GBIF for the same region and year, restricted to taxonKeys for unambiguously-marine groups (Elasmobranchii, Cephalopoda, Cnidaria, Echinodermata, Porifera) and to HEALPix cells with OISST sea coverage. Each occurrence is mapped to its HEALPix cell and tagged as MHW-exposed if the cell has at least one MHW-day. The full pipeline is reproducible via the repository's environment.yml and Snakefile." . "We test the multi-taxon spatial-temporal correspondence between Wernberg et al.'s documented 2011 Western Australian marine-heatwave regime-shift event and contemporaneous marine biodiversity occurrences in the same region. Scope: extending the original work's kelp-forest evidence to all marine taxa available in GBIF for the same region and year, on a shared HEALPix-NESTED substrate that the climate-event field and the biodiversity field both live on. The original work's mechanistic claims about kelp regime-shift dynamics (range contraction, turf dominance, recovery suppression) are out of scope here — we are not making a new claim about kelp dynamics, only on the broader marine-biodiversity-exposure footprint of the same MHW event. " . . . "Anne Fouilloux" . "2026-05-08T19:36:58.651Z"^^ . . . . . "Substrate-aware multi-taxon biodiversity-exposure overlay for the 2011 Western Australian Ningaloo Niño event on HEALPix-NESTED nside=128" . . "RSA" . "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" . "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" . . .