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Floristic composition of an urban coastal forest fragment at the State University of Ceará, Fortaleza, Brazil.

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  • معلومة اضافية
    • الموضوع:
    • نبذة مختصرة :
      The urban areas have suffered with the loss in their biodiversity along the years due to the decrease of green areas by civil construction or by the urban population growth. Therefore, this work aimed at registering the angiosperms diversity in an urban forest fragment at the Itaperi Campus of the State University of Ceará, Fortaleza, Brazil. The sampling was carried out from May/2018 to April /2019 through walks during the rainy and dry seasons. 160 species distributed in 128 genera and 49 families were registered. Fabaceae (27 spp.), Asteraceae (13 spp.), Convolvulaceae and Malvaceae (11 spp. each), Rubiaceae e Poaceae (9 spp. each), and Euphorbiaceae (8 spp.) were the richest families, accounting for 55% of the sampled flora. The herbaceous plants (36.65%) were the most represented habit after which the sub-shrubs and shrubs (17,50% each), arboreal (16,25%) and climbing plants (13.12%) were classified. Among the total species 94.37% are natives, 15,62% are endemic to Brazil and 5,62% are exotic. Of the identified species, 10 spp. are in the Red List of the Flora Conservation National Center and 30 spp. are in the Red List of the International Union for the Conservation of Nature. It can be concluded that the studied fragment has an important richness of plant species in an urban area, therefore it is necessary to create a Conservation Unity and a management plan in order to guarantee the conservation of the area. [ABSTRACT FROM AUTHOR]
    • نبذة مختصرة :
      As áreas urbanas sofrem no decorrer dos anos com a perda da sua biodiversidade, devido à redução das áreas verdes pela construção civil ou pelo crescimento populacional urbano. Desse modo, o presente trabalho objetivou registrar a diversidade de angiospermas de um fragmento florestal urbano ocorrente no Campus Itaperi da Universidade Estadual do Ceará, em Fortaleza, Ceará. As coletas foram realizadas de maio/2018 a abril/2019, por meio de caminhadas realizadas nas estações seca e chuvosa. Foram registradas 160 espécies distribuídas em 128 gêneros e 49 famílias. Fabaceae (27 spp.), Asteraceae (13 spp.), Convolvulaceae e Malvaceae (11 spp. cada), Rubiaceae e Poaceae (9 spp. cada), e Euphorbiaceae (8 spp.) foram as famílias mais ricas, respondendo por 55% da flora amostrada. As plantas herbáceas (36,65%) foram o hábito mais representado, após o qual foram classificados os subarbustos e arbustos (17,50% cada), arbóreos (16,25%) e trepadeiras (13,12%). Dentre o total de espécies 94,37% são nativas, 15,62% são endêmicas do Brasil e 5,62% são exóticas. Das espécies identificadas, 10 spp. estão na Lista Vermelha do Centro Nacional de Conservação da Flora e 30 spp. na Lista Vermelha da União Internacional para a Conservação da Natureza. Podemos concluir que o fragmento estudado possui uma importante riqueza de espécies de plantas em área urbana, sendo necessário a criação de uma Unidade de Conservação e de um plano de manejo de modo a garantir a conservação da área. [ABSTRACT FROM AUTHOR]
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