FIGURE 3 in Two centuries of sponges (phylum Porifera) taxonomic studies in Indonesia (1820-2021): checklist and bibliography

FIGURE 3. Marine ecoregions-level mapping of the Porifera species richness, with heat map representing the number of species based on the current study. Symbols indicate the presence of each class (i.e., Calcarea, Demospongiae, Hexactinellida, Homoscleromorpha). Marine ecoregions of Indonesia (MEOI): 1. Western Sumatra, 2. Sunda Shelf/Java Sea, 3. Malacca Strait, 4. Southern Java, 5. Palawan/North Borneo, 6. Sulawesi Sea/Makassar Strait, 7. Halmahera, 8. Papua, 9. Banda Sea, 10. Lesser Sunda, 11. Northeast Sulawesi, 12. Arafura Sea. Map Source: QGIS.