Red List

Ranking for Red List factors and ‘ Red List’ score

The Red List score ( Fig. 1) was derived from the rankings for the eight Red List factors. Appendix 1 details these factors and shows that the top-ranked origins for numbers of Red List taxa are China (447 taxa) and Indonesia (111). The top-ranked origins for percentage of taxa Red Listed are Afghanistan and Pakistan (100 % of the same two taxa), followed by China (69 %), the Philippines (58 %) and Vietnam (55 %). When number of endemic Red List taxa are considered, the top-ranked origins are China (354 taxa), followed by Indonesia (101), Papua New Guinea (29) and Malaysia and Japan (both with 25). For four origins and ‘Europe’, 100 % of Red List taxa are endemic (the Philippines have 19 such taxa, with only 5 taxa in total from the remaining countries), and Japan has 96 % of Red List taxa endemic. Other countries with high percentages of endemic Red List taxa are Indonesia and Taiwan (91 %) and the USA (88 %). For the number of Red List taxa rated Data Deficient, China tops the ranking (183 taxa), followed by Indonesia (70) and Papua New Guinea (27). The highest ranking for percentage of Red List taxa rated Data Deficient is held by several countries with 100 % for this factor; however, there are only five taxa in total. Next in this ranking are Papua New Guinea (79 %) and Indonesia (63 %). China, although it has 183 Data Deficient taxa, ranks 5th for this factor, as the number of taxa is only 41 % of the Red List taxa from that country.

When number of endemic Data Deficient taxa are considered, China again tops the ranking (166 taxa) and this is 91 % of Data Deficient taxa from that country. The next rankings for number of Data Deficient taxa that are endemic go to Indonesia (64 taxa, 91 % of Data Deficient taxa from that country) and Papua New Guinea (23 taxa, 85 % of Data Deficient taxa from that country). When the ranking scores (Appendix 1, column 1) are summed for each origin for the eight factors, the Red List score ( Fig. 1) is led by China (157 points) followed by Indonesia (154 points), Papua New Guinea (140 points), the Philippines (139 points) and Japan (133 points).