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Exploring the floristic diversity of tropical Africa

MS. Sosef, G. Dauby, A. Blach-Overgaard, X. van der Burgt, L. Catarino, T. Damen, V. Deblauwe, S. Dessein, J. Dransfield, V. Droissart, MC. Duarte, H. Engledow, G. Fadeur, R. Figueira, RE. Gereau, OJ. Hardy, DJ. Harris, J. de Heij, S. Janssens,...

. 2017 ; 15 (1) : 15. [pub] 20170307

Jazyk angličtina Země Velká Británie

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/bmc18016741

BACKGROUND: Understanding the patterns of biodiversity distribution and what influences them is a fundamental pre-requisite for effective conservation and sustainable utilisation of biodiversity. Such knowledge is increasingly urgent as biodiversity responds to the ongoing effects of global climate change. Nowhere is this more acute than in species-rich tropical Africa, where so little is known about plant diversity and its distribution. In this paper, we use RAINBIO - one of the largest mega-databases of tropical African vascular plant species distributions ever compiled - to address questions about plant and growth form diversity across tropical Africa. RESULTS: The filtered RAINBIO dataset contains 609,776 georeferenced records representing 22,577 species. Growth form data are recorded for 97% of all species. Records are well distributed, but heterogeneous across the continent. Overall, tropical Africa remains poorly sampled. When using sampling units (SU) of 0.5°, just 21 reach appropriate collection density and sampling completeness, and the average number of records per species per SU is only 1.84. Species richness (observed and estimated) and endemism figures per country are provided. Benin, Cameroon, Gabon, Ivory Coast and Liberia appear as the botanically best-explored countries, but none are optimally explored. Forests in the region contain 15,387 vascular plant species, of which 3013 are trees, representing 5-7% of the estimated world's tropical tree flora. The central African forests have the highest endemism rate across Africa, with approximately 30% of species being endemic. CONCLUSIONS: The botanical exploration of tropical Africa is far from complete, underlining the need for intensified inventories and digitization. We propose priority target areas for future sampling efforts, mainly focused on Tanzania, Atlantic Central Africa and West Africa. The observed number of tree species for African forests is smaller than those estimated from global tree data, suggesting that a significant number of species are yet to be discovered. Our data provide a solid basis for a more sustainable management and improved conservation of tropical Africa's unique flora, and is important for achieving Objective 1 of the Global Strategy for Plant Conservation 2011-2020. In turn, RAINBIO provides a solid basis for a more sustainable management and improved conservation of tropical Africa's unique flora.

AMAP CNRS INRA IRD Université Montpellier Montpellier France

Botanic Garden Meise Nieuwelaan 38 BE 1860 Meise Belgium

Botanic Garden Meise Nieuwelaan 38 BE 1860 Meise Belgium Herbarium et Bibliothèque de Botanique Africaine Université Libre de Bruxelles Boulevard du Triomphe B 1050 Bruxelles Belgium Missouri Botanical Garden Africa and Madagascar Department P O Box 299 St Louis Missouri 63166 0299 USA

Centre for Ecology Evolution and Environmental Changes Faculty of Sciences University of Lisbon Campo Grande 1749 016 Lisbon Portugal

CIBIO InBio Centro de Investigação em Biodiversidade e Recursos Genéticos Universidade do Porto Campus Agrário de Vairão Vairão Portugal CEABN InBio Centro de Ecologia Aplicada Professor Baeta Neves Instituto Superior de Agronomia Universidade de Lisboa Tapada da Ajuda 1349 017 Lisboa Portugal

DIADE Université Montpellier IRD Montpellier France Herbarium et Bibliothèque de Botanique Africaine Université Libre de Bruxelles Boulevard du Triomphe B 1050 Bruxelles Belgium Laboratoire de Botanique systématique et d'Écologie Département des Sciences Biologiques École Normale Supérieure Université de Yaoundé 1 Yaoundé Cameroon Center for Tropical Research Institute of the Environment and Sustainability University of California Los Angeles Box 951496 Los Angeles CA 90095 USA International Institute of Tropical Agriculture BP 2008 Yaounde Cameroon

DIADE Université Montpellier IRD Montpellier France Laboratoire d'Évolution biologique et Écologie Faculté des Sciences Université Libre de Bruxelles Brussels Belgium CESAB FRB Domaine du Petit Arbois Av Louis Philibert Aix en Provence 13100 France

DIADE Université Montpellier IRD Montpellier France Laboratoire de Botanique systématique et d'Écologie Département des Sciences Biologiques École Normale Supérieure Université de Yaoundé 1 Yaoundé Cameroon Naturalis Biodiversity Center Darwinweg 2 2333 CR Leiden The Netherlands

Herbarium et Bibliothèque de Botanique Africaine Université Libre de Bruxelles Boulevard du Triomphe B 1050 Bruxelles Belgium

Herbarium et Bibliothèque de Botanique Africaine Université Libre de Bruxelles Boulevard du Triomphe B 1050 Bruxelles Belgium Laboratoire d'Ecologie végétale et Biogéochimie Université Libre de Bruxelles Boulevard du Triomphe B 1050 Bruxelles Belgium

Herbarium et Bibliothèque de Botanique Africaine Université Libre de Bruxelles Boulevard du Triomphe B 1050 Bruxelles Belgium Missouri Botanical Garden Africa and Madagascar Department P O Box 299 St Louis Missouri 63166 0299 USA AMAP CNRS INRA IRD Université Montpellier Montpellier France

Institut für Geobotanik und Botanischer Garten Im Neuwerk 21 University Halle Wittenberg 06108 Halle Germany

Laboratoire d'Évolution biologique et Écologie Faculté des Sciences Université Libre de Bruxelles Brussels Belgium

Laboratoire de Botanique systématique et d'Écologie Département des Sciences Biologiques École Normale Supérieure Université de Yaoundé 1 Yaoundé Cameroon

Laboratoire des Sciences du Climat et de l'Environnement LSCE IPSL CEA CNRS UVSQ Université Paris Saclay F 91191 Gif sur Yvette France

Missouri Botanical Garden Africa and Madagascar Department P O Box 299 St Louis Missouri 63166 0299 USA

Naturalis Biodiversity Center Darwinweg 2 2333 CR Leiden The Netherlands

Naturalis Biodiversity Center Darwinweg 2 2333 CR Leiden The Netherlands Department of Ecology Faculty of Science Charles University Vinicna 7 128 44 Prague 2 Czech Republic

Naturalis Biodiversity Center Darwinweg 2 2333 CR Leiden The Netherlands Picturae De Droogmakerij 12 1851LX Heiloo The Netherlands

Royal Botanic Garden Edinburgh 20A Inverleith Row Edinburgh UK

Royal Botanic Gardens Kew Richmond Surrey TW9 3AE UK

Royal Botanic Gardens Kew Richmond Surrey TW9 3AE UK Royal Botanic Garden Edinburgh 20A Inverleith Row Edinburgh UK

Section for Ecoinformatics and Biodiversity Department of Bioscience Aarhus University Ny Munkegade 114 DK 8000 Aarhus C Denmark

Wageningen University Biosystematics Group Droevendaalsesteeg 1 6708 PB Wageningen The Netherlands

Wageningen University Biosystematics Group Droevendaalsesteeg 1 6708 PB Wageningen The Netherlands Naturalis Biodiversity Center Darwinweg 2 2333 CR Leiden The Netherlands

Citace poskytuje Crossref.org

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