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. 2005 Feb 28;360(1454):443–455. doi: 10.1098/rstb.2004.1592

Table 5.

Major habitat types—global coverage and the area protected.

habitat name total habitat area (1000 km2) total area protected (1000 km2) proportion protected (%)
1 tropical moist forest 9306 2798 23
2 tropical dry broadleaf forest 2830 342 11
3 tropical and subtropical needle-leaf forest 2044 304 13
4 temperate and boreal broadleaf forest 3965 577 13
5 temperate and boreal mixed forest 3057 376 11
6 temperate and boreal needle-leaf forest 9210 1539 14
7 temperate and boreal sparse forest 1359 219 14
8 savannah, tree cover mosaic 1850 386 17
9 savannah, tropical shrubland 5562 890 14
10 tropical grassland, savannahs 5795 763 12
11 shrubland, subtropical 2480 254 9
12 temperate grassland 6376 1175 16
13 shrubland, subboreal 1276 301 19
14 warm semidesert 6274 617 9
15 warm desert 10 769 1458 12
16 cold semidesert 5676 304 5
17 cold desert 3259 309 9
18 shrubland, boreal and sub-polar 2299 359 14
19 tundra 3972 710 15
20 polar and high-altitude desert 739 161 18
21 snow and ice 14 275 1130 7
24 cropland and natural vegetation mosaic 6388 535 8
25 cropland 16 523 866 5
26 urban and built-up 257 12 5
29 no data 338 91 21
mountains 39 433 364 5 996 622 15
mangrove 233 588 44 002 19
coral reefs 255 339 53 632 21