Olivier Testa

Olivier Testa
Fédération Française de Spéléologie · Hommes des Cavernes

Ingenieur / MSc

About

13
Publications
3,908
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
29
Citations
Introduction
Exploration Speleologist. More than 40 expeditions worldwide. Cave prospection, exploration, surveying, cave diving, photography. Mobile 3D laserscanning (from acquisition to advanced pointclouds treatment - registration, classification, surface reconstruction and analysis). Focus in archaeology, biology, paleoenvironments, heritage Geographic Areas of interest: Central Africa (Cameroon, Gabon, Congo), Madagascar, Dominican Republic, Haiti, Mexico full page: https://www.olivier-testa.com
Additional affiliations
April 2012 - February 2020
NOT Engineers
Position
  • CEO
Description
  • Expertise, Exploration, Survey in caves and underground quarries. 3D laser scanning. Fieldwork, cave prospection, GIS, sampling Projects in Gabon, Congo, Haiti, France, China, Saudi Arabia https://www.not-engineers.fr
Education
September 1997 - June 2000
CentraleSupélec (Ecole Centrale Paris)
Field of study

Publications

Publications (13)
Article
We present the first ever observations of dwarf crocodiles (Osteolaemus tetraspis) selectively utilizing a cave ecosystem. We analysed crocodile diet to preliminarily assess the degree of ecological isolation of cave-dwelling crocodiles from their forest-dwelling conspecifics despite their physical proximity. We additionally conducted the first stu...
Article
Full-text available
As an obsolete underground water supply system, the qanāt is particularly affected by the destruction and demolition taking place within the oases of Saudi Arabia. In a period of economic and demographic growth, the oasis of Dūmat al-Jandal (province of Jawf) is a good example of such an evolution. Qanāts have been replaced by everdeeper pumping sy...
Article
Full-text available
An update is provided of current knowledge of the herpetofauna and batrachofauna recorded from caves in Gabon, western Equatorial Africa. No systematic field survey of reptiles and amphibians in Gabonese cave environments has yet been made, and data are available for only 19 (complexes of) caves. This compilation of published records and new observ...
Article
Full-text available
Overview of caving expeditions abroad sponsored by the French Federation of Speleology since 2000
Data
Distribution map of occurence of bats roosts in the caves of Cameroon, as observed by the author during the 2009-2010-2011 speleological prospections. The order (Megachiroptera, Microchiroptera), based on visual assessment, is noted when available.
Article
Full-text available
Description of the flooded cave Cueva de Macho in the Dominican Republic, the longest underwater cave to date in the country. Preliminary reporting of the abundant fossil bone deposits in the cave, rich in sloths, crocodiles, and millions of bat bones. Preliminary observations of the stygobitic life.
Data
Photographs (annotated) of all 182 artifacts (iron currency knives, hoes, iron and copper bracelets, rings, kindu, gong) and 51 cranium bones visible on the ground during the initial visit of the Iroungou burial cave, Mouila area, Gabon, on september 23, 2018.
Technical Report
Full-text available
Speleological exploration in Mouila, Ngounié, Gabon. Discovery of the archeological sepulchral cave of Iroungou with 30 human skulls . Discovery of new caves or new passages and survey in Ndongou, Ntsona, Yengué, Nguenda, Ngouanga. (53 pages)
Article
Full-text available
We present new Gabonese locality records for Gerrhosaurus nigrolineatus (Gerrhosauridae), Trachylepis maculilabris (Scincidae), Varanus ornatus (Varanidae), Calabaria reinhardtii (Boidae), Dipsadoboa viridis, Toxicodryas blandingii (Colubridae), Naja melanoleuca and N. nigricollis (Elapidae), Python sebae (Pythonidae), Atheris squamigera (orange mo...
Article
Full-text available
Popularization of the Abanda 2010 scientific expedition in the caves of Abanda, Gabon. Discovery of cave-dwelling crocodiles, with a very odd orange-coloored skin.

Network

Cited By

Projects

Projects (4)