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      Diatoms from small ponds and terrestrial habitats in Deserta Grande Island (Madeira Archipelago)

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          Abstract

          Background

          Freshwater diversity, and diatoms in particular, from Desertas Islands (Madeira Archipelago, Portugal) is poorly known, although the Islands are protected and became a Natural Reserve in 1995. During two field expeditions in 2013 and 2014 to Deserta Grande Island, several freshwater and terrestrial habitats were sampled. The analysis of these samples aims to contribute to the biodiversity assessment of the freshwater biota present in Deserta Grande Island. Here, we present the diatom diversity in Deserta Grande Island resulting from that survey. This study contributes to improve the knowledge of Madeira Archipelago freshwater diversity, particularly in the Desertas sub-archipelago.

          New information

          To our knowledge, we present the first diatom data for the Desertas sub-archipelago. This work resulted in a list of 60 diatom taxa for Deserta Grande, from which 57 were identified to species level. From the 60 new records for Desertas sub-archipelago, 30 of them were also new records for Madeira Archipelago. Several specimens could not be assigned to a known species and may be new diatom species not yet described.

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          Most cited references 58

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          Microbial biogeography: putting microorganisms on the map.

          We review the biogeography of microorganisms in light of the biogeography of macroorganisms. A large body of research supports the idea that free-living microbial taxa exhibit biogeographic patterns. Current evidence confirms that, as proposed by the Baas-Becking hypothesis, 'the environment selects' and is, in part, responsible for spatial variation in microbial diversity. However, recent studies also dispute the idea that 'everything is everywhere'. We also consider how the processes that generate and maintain biogeographic patterns in macroorganisms could operate in the microbial world.
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            Biodiversity hotspots for conservation priorities.

            Conservationists are far from able to assist all species under threat, if only for lack of funding. This places a premium on priorities: how can we support the most species at the least cost? One way is to identify 'biodiversity hotspots' where exceptional concentrations of endemic species are undergoing exceptional loss of habitat. As many as 44% of all species of vascular plants and 35% of all species in four vertebrate groups are confined to 25 hotspots comprising only 1.4% of the land surface of the Earth. This opens the way for a 'silver bullet' strategy on the part of conservation planners, focusing on these hotspots in proportion to their share of the world's species at risk.
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              ORIGINAL ARTICLE: A general dynamic theory of oceanic island biogeography

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                Author and article information

                Contributors
                Journal
                Biodivers Data J
                Biodivers Data J
                1
                urn:lsid:arphahub.com:pub:F9B2E808-C883-5F47-B276-6D62129E4FF4
                urn:lsid:zoobank.org:pub:245B00E9-BFE5-4B4F-B76E-15C30BA74C02
                Biodiversity Data Journal
                Pensoft Publishers
                1314-2836
                1314-2828
                2021
                12 February 2021
                : 9
                Affiliations
                [1 ] Faculty of Sciences and Technology, University of the Azores, Ponta Delgada, Portugal Faculty of Sciences and Technology, University of the Azores Ponta Delgada Portugal
                [2 ] CIBIO, Research Center in Biodiversity and Genetic Resources, InBIO Associate Laboratory - Azores, Ponta Delgada, Portugal CIBIO, Research Center in Biodiversity and Genetic Resources, InBIO Associate Laboratory - Azores Ponta Delgada Portugal
                [3 ] Instituto das Florestas e Conservação da Natureza IP-RAM, Jardim Botânico da Madeira – Eng. Rui Vieira, Caminho do Meio, Bom Sucesso, Funchal, Portugal Instituto das Florestas e Conservação da Natureza IP-RAM, Jardim Botânico da Madeira – Eng. Rui Vieira, Caminho do Meio, Bom Sucesso Funchal Portugal
                [4 ] Centre for Ecology, Evolution and Environmental Changes, Faculty of Sciences (CE3C), University of Lisbon, Edf. C2, Campo Grande, Lisboa, Portugal Centre for Ecology, Evolution and Environmental Changes, Faculty of Sciences (CE3C), University of Lisbon, Edf. C2, Campo Grande Lisboa Portugal
                [5 ] Laboratory for Integrative Biodiversity Research (LIBRe), Finnish Museum of Natural History, University of Helsinki, Pohjoinen Rautatiekatu, Helsinki, Finland Laboratory for Integrative Biodiversity Research (LIBRe), Finnish Museum of Natural History, University of Helsinki, Pohjoinen Rautatiekatu Helsinki Finland
                Author notes
                Corresponding authors: Vítor Gonçalves ( vitor.mc.goncalves@ 123456uac.pt ), Pedro M. Raposeiro ( pedro.mv.raposeiro@ 123456uac.pt ).

                Academic editor: Anne Thessen

                Article
                59898 15003
                10.3897/BDJ.9.e59898
                7895811
                Vítor Gonçalves, Catarina Ritter, Helena Marques, Dinarte Nuno Teixeira, Pedro M. Raposeiro

                This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                Page count
                Figures: 3, Tables: 2, References: 53
                Categories
                Data Paper (Biosciences)

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