Ilha Grande, baia da Babitonga, sao Francisco do Sul, Santa Catarina的环境特征

IF 0.8 4区生物学 Q4 PLANT SCIENCES

Bothalia Pub Date : 2021-01-27 DOI:10.21726/ABC.V7I4.19

J. Silva, D. Mouga

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引用次数: 1

摘要

Babitonga湾(BB)包括南半球最后一个主要的红树林形成，是圣卡塔琳娜最重要的河口，包括206个岛屿。为了对BB岛的格兰德岛(IG)进行环境表征，从2018年7月到2020年3月进行了实地考察，并对该岛进行了文献综述。IG位于BB中部，面积约329,506 m2，周长2971 m，海拔可达46 m，气候为Cfa型，年平均降水量1874 mm，以西北风和东风为主。该岛的土地利用分为四类:休养植被、红树林、裸露土壤和城市化地区。后者占岛上面积的2025%(25个住宅，其中两个已废弃)。植被包括雨林、红树林、开阔地和沙洲。共采集植物131种，其中巴西特有植物39种。外来种28种，其中归化种11种，栽培种3种。在所有植物种类中，有34种是人为利用的:观赏植物(20种)、食用植物(12种)和栽培植物(2种)。众多的观赏花园丰富了当地植物群，但油松(Pinus cf. elliottii)和桉树(Eucalyptus sp.)的存在威胁着当地植物群。

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Caracterização ambiental da Ilha Grande, Baía da Babitonga, São Francisco do Sul, Santa Catarina

Babitonga Bay (BB) includes the last major mangrove formation in the southern hemisphere, being the most important estuary of Santa Catarina and including 206 islands.In order to carry out an environmental characterization of Ilha Grande (IG), of BB, field visits were performed from July 2018 to March 2020 and a bibliographic review about the island was realized. The IG is located in the central portion of BB, with an approximate area of 329,506 m2, perimeter of 2,971 m, elevation of up to 46 m, Cfa type climate, average annual precipitation of 1,874 mm and predominant northwest and east winds.The island shows four classes of land use: restinga vegetation, mangroves, exposed soil and urbanized area.The latter represents 2025% of the island’s surface (25 residences, two of which are abandoned). The vegetation includes formations of rain forest, mangrove, open field and sandbank. There were 131 sampled plant species, 39 of which are endemic to Brazil. There are 28 exotic species, of which eleven are naturalized and three are cultivated. Of the total plant species, 34 are used anthropically: ornamental (20), edible (12) and cultivated (2). The numerous ornamental gardens enrich the local flora but the presence of Pinus cf. elliottii and Eucalyptus sp. threaten the native flora.

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来源期刊

Bothalia 生物-植物科学

CiteScore

1.70

自引率

0.00%

发文量

期刊介绍： Bothalia: African Biodiversity & Conservation is published by AOSIS for the South African National Biodiversity Institute (SANBI) and aims to disseminate knowledge, information and innovative approaches that promote and enhance the wise use and management of biodiversity in order to sustain the systems and species that support and benefit the people of Africa. The journal was previously published as Bothalia, and had served the South African botanical community since 1921. However the expanded mandate of SANBI necessitated a broader scope for the journal, and in 2014, the subtitle, African Biodiversity & Conservation was added to reflect this change.