Crepidium ridleyi (J.J.Sm.) Szlach., a threatened endemic terrestrial orchid of Java: A Maxent modeling to predict the current and future potential distribution

Abstract

Crepidium ridleyi (J.J.Sm.) Szlach. is one of the endemic terrestrial orchids from Java. Due to rapid development and habitat fragmentation, it faces a severe threat of extinction. In this study, we predict the specific habitat of C. ridleyi within Java Island using the future greenhouse gas emission scenarios of RCP 4.5 and RCP 8.5 for the years 2050 and 2070. The occurrences were found in protected sites but have yet to be conserved in ex-situ sites. The current and future of this species distribution model comparison showed that habitat suitability is declining, even projecting the extinction in the worst scenario in the far future. Thus, supporting active conservation efforts for this species is strongly advised to protect it from extinction and use it sustainably.