Beatriz Otero Jimenez, Ren Montaño, Ryan S. Rothman, Rachel C. Williams, Patricia C. Wright

A surprising haven: The biodiversity of an old‐growth forest amidst a scorched landscape in Madagascar

  • Nature and Landscape Conservation
  • Environmental Science (miscellaneous)
  • Ecology
  • Global and Planetary Change

AbstractFor the endemic wildlife of Madagascar, the risk of extinction increases as the island's forest cover decreases. Many of the remaining forests are isolated fragments serving as important refugia for biodiversity. In this research note, we describe the biodiversity of the Ivohiboro Humid Forest (IHF), and its conservation importance in Madagascar. Located in a region dominated by wooded savannah, the IHF represents a very rare vegetation type. We conducted six biological surveys to explore the diversity of vertebrates and vascular plants in this isolated forest. Our results show that the IHF maintains a diverse ecosystem and harbors species of conservation significance. Thirty‐four of the identified species are categorized as Threatened by the IUCN, such as the ring‐tailed lemur (Lemur catta) and Isalo Madagascar frog (Gephyromantis corvus). Furthermore, we inventoried species distant from their known IUCN‐reported geographic ranges such as a species of blue‐nosed chameleon (Calumma sp. aff. boettgeri, linotum) and the Lavasoa dwarf lemur (Cheirogaleus lavasoensis).

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