Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Vulnerability of Mantidactylus pauliani from Ankaratra PA facing habitat change

Version 1 : Received: 20 June 2023 / Approved: 20 June 2023 / Online: 20 June 2023 (14:41:41 CEST)

A peer-reviewed article of this Preprint also exists.

Oninjatovo Radonirina, H.; Randriamahatantsoa, B.; Rabibisoa, N.H.C. Population Status and Vulnerability of Mantidactylus pauliani from Ankaratra Protected Area, Madagascar. Animals 2023, 13, 2706. Oninjatovo Radonirina, H.; Randriamahatantsoa, B.; Rabibisoa, N.H.C. Population Status and Vulnerability of Mantidactylus pauliani from Ankaratra Protected Area, Madagascar. Animals 2023, 13, 2706.

Abstract

Mountain summit in Madagascar have generally a specific habitat and that figure home a local endemicity of herpetofauna. Mantidactylus pauliani, a typically aquatic and critically endangered amphibian from Ankaratra Mountain, is among of them. This species inhabits high elevation with restricted distribution range. Our study highlights here a new data of this species and its viability with environmental change. So that, we carried out annual monitoring from 2018 to 2021. Nine fixed transects of 100 m were done along the streams between 1762 and 2378 m a.s.l. We followed the herpetofaunal standard technique for collecting data (systematic ecological niche searching and direct observation), and data analysis was performed using χ² tests and Fac-tor Correspondence Analysis. Here we present the new ecological data of M. pauliani. This spe-cies home between 1900 - 2378 m a.s.l. within the humid forest and savannah habitat. We noticed also a fluctuation in population size and migration to the upper throughout the years across the season, and the stream quality and volume of water variation. This habitat change makes it vul-nerable and the annual bushfire surrounding plays a negative impact. Knowledge and under-standing of its ecological guilds is needed for running and updating conservation activities

Keywords

Mantidactylus pauliani; Ankaratra; landscape; habitat type; season; distribution.

Subject

Biology and Life Sciences, Ecology, Evolution, Behavior and Systematics

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