. Bamboo Biodiversity: information for planning conservation and management in the Asia-Pacific region. UNEP-WCMC Biodiversity Series 14. Bamboo biodiversity i5B 400 £ 350 •S 250 S 200 E 3 150 100 50 0 I v ^ Area of forest in range CODO km^l Figure 6. Numbers of bamboo species in the Asia-Pacific region according to the area of forest habitat remaining within their ranges. lUCN as a criterion for inclusion in the RedListUUCN 20011, This suggests that many uncultivated forest bamboos may be particularly susceptible to erosion of their habitat and their genetic diversity, and therefore may
. Bamboo Biodiversity: information for planning conservation and management in the Asia-Pacific region. UNEP-WCMC Biodiversity Series 14. Bamboo biodiversity i5B 400 £ 350 •S 250 S 200 E 3 150 100 50 0 I v ^ Area of forest in range CODO km^l Figure 6. Numbers of bamboo species in the Asia-Pacific region according to the area of forest habitat remaining within their ranges. lUCN as a criterion for inclusion in the RedListUUCN 20011, This suggests that many uncultivated forest bamboos may be particularly susceptible to erosion of their habitat and their genetic diversity, and therefore may need to be considered threatened. The remaining forest habitat extents for species currently on the lUCN Red List (Figure 7| are very similarly distributed to those of all bamboo species (Figure 61. This is counter to the expectation that a subset of highly threatened species would have a substantially higher proportion w/ith severely limited remaining habitat area. The pattern is heavily influenced by Chimonobambusa quadrangularis (Ivlap 20, Annex IVl and Brachystachyum densifiorum (Map 17), which have relatively wide distributions, indeed, Chimonobambusa quadrangularis is considered an invasive weed in Hawaii and other areas where it has been introduced. These contrasts highlight the need for a better understanding of bamboo distributions and conservation I % all species I % Red List species. Area of forest in range ('000 km^( Figure 7. Frequency distribution of all species and species listed as threatened by lUCN (1998) according to the area of forest cover remaining within their ranges. status. All the currently included Red List bamboos require verification of their claim to specific status, possible synonymy with other bamboos, distribution and conser- vation status. Bamboos with restricted remaining habitat as shown by this study should be prioritized in future processes to evaluate and address bamboo conservation needs. There is also substantial scope for refining t
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