From: Hotspot analysis of Taiwanese breeding birds to determine gaps in the protected area network
 | Hotspot criteria | Hotspot criteria outside of protected areas | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Top 5% | Top 10% | Top 15% | Top 20% | Top 25% | Top 5% | Top 10% | Top 15% | Top 20% | Top 25% | |
Total species richness | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Species richness threshold of selected grid cells | ≥74 | ≥71 | ≥69 | ≥67 | ≥65 | ≥70 | ≥66 | ≥63 | ≥59 | ≥56 |
Selected number of grid cells | 1,472 | 3,245 | 4,856 | 6,583 | 8,373 | 2,201 | 4,006 | 5,560 | 7,697 | 9,190 |
Percent of total study area | 4.1% | 9.0% | 13.5% | 18.3% | 23.2% | 6.1% | 11.1% | 15.4% | 21.4% | 25.5% |
Endemic species richness | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Species richness threshold of selected grid cells | ≥14 | ≥14 | ≥13 | ≥13 | ≥12 | ≥12 | ≥11 | ≥9 | ≥8 | ≥7 |
Selected number of grid cells | 1,519 | 1,519 | 5,266 | 5,266 | 7,656 | 2,647 | 3,647 | 6,824 | 8,810 | 10,344 |
Percent of total study area | 4.2% | 4.2% | 14.6% | 14.6% | 21.3% | 7.4% | 10.1% | 18.9% | 24.5% | 28.7% |
Threatened species richness | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Species richness threshold of selected grid cells | ≥23 | ≥22 | ≥21 | ≥20 | ≥19 | ≥21 | ≥18 | ≥16 | ≥14 | ≥12 |
Selected number of grid cells | 1,577 | 3,514 | 5,161 | 6,655 | 8,049 | 2,036 | 4,231 | 6,091 | 7,826 | 9,472 |
Percent of total study area | 4.4% | 9.8% | 14.3% | 18.5% | 22.3% | 5.7% | 11.8% | 16.9% | 21.7% | 26.3% |
Rare species richness | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Species richness threshold of selected grid cells | ≥15 | ≥13 | ≥12 | ≥10 | ≥9 | ≥9 | ≥8 | ≥7 | ≥6 | ≥5 |
Selected number of grid cells | 229 | 3,398 | 4,826 | 6,459 | 7,905 | 2,855 | 4,566 | 6,060 | 7,766 | 9,684 |
Percent of total study area | 0.6% | 9.4% | 13.4% | 17.9% | 21.9% | 7.9% | 12.7% | 16.8% | 21.6% | 26.9% |