– Degree in Life Sciences at the University of Cagliari (Italy) in 1996
- Master in Landscape Planning at the University of Cagliari (Italy) in 1997
- Master in Vegetation Analysis: survey and data elaboration on flora, vegetation and soil” at the Marche Polytechnic University (Italy) in 2000
- PhD in Geomorphology and Geobotany at the Marche Polytechnic University (Italy) finished in December 2000
– European PhD in Plant Biology (025 C) at the University of Valencia (Spain), suficiencia investigadora obtained in November 2002
Assistant Professor at the Faculty of Science of the University of Cagliari (Italy) from 2002 to 2006.
Associate Professor at the Faculty of Human Sciences at University of Cagliari (Italy) from 2006 to 2015.
Director of the HBK (Hortus Botanicus Karalitanus) of the University of Cagliari (http://sites.unica.it/hbk/) from2015 to 2023.
He is currently full professor at the Department of Life and Environmental Sciences of the University of Cagliari (http://dipartimenti.unica.it/scienzedellavitaedellambiente/) and Adjunct Professor at the University of Tehran. Director of the Conservation Centre of Biodiversity (CCB) of the University of Cagliari (http://www.ccb- sardegna.it/index.html).
Deputy director of the Doctorate program in Earth and Environmental Sciences and Technologies of the University of Cagliari (http://dottorati.unica.it/stta/).
Since 1991 he has been working on geobotanical and conservation biology studies of the Mediterranean biota and on plant diversity of islands concerning phytoclimatology and phytogeography as well.
He has published about 630 scientific papers, most of these in international journals. Total number of citations and general bibliometric indicators of whole publication record (as of 31 July 2023):
ISI WOS (ID: AAD-5329-2020): 301 papers, 5281 citations, H-index: 38 (https://www.webofscience.com/wos/author/record/AAD-5329-2020) Scopus (ID: 6505972132): 393 papers, 7451 citations, H-index: 41 (https://www.scopus.com/authid/detail.uri?authorId=6505972132) ResearchGate: 633 research items, 10298 citations, H-index: 50 (https://www.researchgate.net/profile/GianluigiBacchetta)
Google: 714 research items, 12998 citations, H-index: 51 (https://scholar.google.com/citations?hl=it&user=S2xhCugAAAAJ) ORCID (ID: 0000-0002-1714-3978): 603 papers (https://orcid.org/my-orcid?orcid=0000-0002-1714-3978)
He has collaborated with Italian and international editors on 24 scientific books.
He serves as a peer reviewer for both national and international journals in the field of biodiversity conservation. He is editor of Plant Biosystems (https://www.tandfonline.com/toc/tplb20/current) and Plant Sociology (http://plantsociology.scienzadellavegetazione.it/ojs/index.php/ps/index), associate editor of Mediterranean Botany (https://revistas.ucm.es/index.php/MBOT) and member of the Documents Phytosociologiques, Frontiers in Conservation Science (https://www.frontiersin.org/journals/conservation-science) and Journal of Zoological and Botanical Gardens (https://www.mdpi.com/journal/jzbg/editors) editorial boards.
Actually he is president of the GENMEDA network (http://www.genmeda.net/), deputy president of the scientific council of Conservatoire Botanique National Corse (http://cbnc.oec.fr/), regional delegate for environment and landscape of Fondo Ambiente Italiano (https://www.fondoambiente.it/) and member of the scientific council of Conservatoire Botanique National Méditerranéenne (http://www.cbnmed.fr/src/prez.php), INITIATIVE PIM pour les Petites Iles de Méditerranée (http://initiative-pim.org/index.php/gouvernance/) and Centro Regionale di Competenza RESTART (https://www.uninuoro.it/organizzazione-restart/).
Also, he is principal investigator of various international projects (LIFE+, Interreg, ENPI, ENI, Erasmus+) financed by the European Union and private foundation.