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      Floristic influence of Amazonian Lowland Dense Rain Forest on the pioneer vegetation with marine influence, Restinga of Pará state, Brazil

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          Abstract

          Abstract The coastal region of the municipalities of Curuçá and Maracanã, on the northeastern coast of Pará, shelters a valuable biological heritage, the last two remnants of Dense Rain Forest on the shores of the Atlantic Ocean. On the Ipomonga Island (Curuçá) and at the Marieta Beach (Maracanã), the Lowland Dense Rain Forest is notable for its abrupt contact with the pioneer formation with marine influence, called as Restinga. This geomorphological interface favors floristic connectivity between different ecosystems. The research objective was to evaluate, through vegetation inventories, whether these forests remnants, about Lowland Dense Rain Forest, are sources of dispersal of woody species in Restinga. A total of 189 species were recorded in 50 botanical families with the greatest richness corresponds to the dense forest (67 species). Of this flora, 46 species (24%) were common to both vegetation typologies, with 18 species considered new occurrences in Restinga of the Amazonian coastal plains. The floristic affinities founded support the effect of Lowland Dense Rain Forest acting as the source for propagule dispersion over the pioneer formation with marine influence (Restinga), mostly dispersed by animals (zoocory).

          Translated abstract

          Resumo A região costeira dos municípios de Curuçá e Maracanã, no litoral nordeste paraense, abriga um valioso patrimônio biológico vegetal. Trata-se, a princípio, de dois últimos remanescentes de Floresta Ombrófila Densa, banhados pelo oceano Atlântico. Na ilha de Ipomonga (Curuçá), bem como na praia de Marieta (Maracanã), a Floresta Ombrófila Densa das Terras Baixas se destaca pelo contato abrupto com a formação pioneira de influência marinha, conhecida por Restinga. Essa interface geomorfológica favorece uma conectividade florística entre estes ecossistemas distintos. O objetivo foi avaliar, através de inventários da vegetação, se estes remanescentes florestais, de Floresta Ombrófila Densa das Terras Baixas, são fontes de dispersão de espécies lenhosas em Restinga. Foram registradas 189 espécies, em 50 famílias botânicas. A maior riqueza corresponde à Floresta Ombrófila Densa das Terras Baixas (168 espécies), em detrimento à Restinga (67 espécies). Desta flora, 46 espécies (24%) foram comuns às duas tipologias de vegetação, sendo 18 espécies consideradas novas ocorrências para á Restinga do litoral amazônico. As afinidades florísticas encontradas embasam o efeito da Floresta Ombrófila Densa das Terras Baixas atuando como fonte de dispersão de propágulos na formação pioneira de influência marinha (Restinga), dipersos em sua maioria por animais (zoocoria).

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            PAST: Paleontological Statistics Software Package for Education and Data Analysis

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              Brazilian Flora 2020: Innovation and collaboration to meet Target 1 of the Global Strategy for Plant Conservation (GSPC)

              Abstract The Global Strategy for Plant Conservation (GSPC) was established by the Conference of Parties in 2002 to decrease the loss of plant diversity, reduce poverty and contribute to sustainable development. To achieve this overarching goal, the GSPC has established a series of targets, one of which is to ensure that plant diversity is well understood, so that it can be effectively conserved and used in a sustainable manner. Brazil hosts more than 46,000 species of plants, algae and fungi, representing one of the most biodiverse countries on Earth, and playing a key role in the GSPC. To meet the GSPC goals of Target 1 and facilitate access to plant diversity, Brazil committed to preparing the List of Species of the Brazilian Flora (2008-2015) and the Brazilian Flora 2020 (2016-present). Managing all the information associated with such great biodiversity has proven to be an extremely challenging task. Here, we synthesize the history of these projects, focusing on the multidisciplinary and collaborative approach adopted to develop and manage the inclusion of all the knowledge generated though digital information systems. We further describe the methods used, challenges faced, and strategies adopted, as well as summarize advances to date and prospects for completing the Brazilian flora in 2020.
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                Author and article information

                Journal
                rod
                Rodriguésia
                Rodriguésia
                Instituto de Pesquisas Jardim Botânico do Rio de Janeiro (Rio de Janeiro, RJ, Brazil )
                0370-6583
                2175-7860
                2021
                : 72
                : e00532020
                Affiliations
                [1] Belém PA orgnameMuseu Paraense Emilio Goeldi/MCTIC orgdiv1Campus de Pesquisa Brasil
                [2] Macapá AP orgnameInstituto de Pesquisas Científicas e Tecnológicas do Estado do Amapá Brasil
                Article
                S2175-78602021000100280 S2175-7860(21)07200000280
                10.1590/2175-7860202172093
                636f306c-f3a4-4e64-afe8-78d435f8ac4a

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 28 April 2020
                : 11 October 2020
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 66, Pages: 0
                Product

                SciELO Brazil

                Categories
                Original Papers

                remanescentes florestais,Amazonian coast,dispersal strategies,forests remnants,marine influence,litoral amazônico,estratégias de dispersão,influência marinha

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