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Anthropogenic activities on mangrove areas (são francisco river estuary, brazil northeast): A gis-based analysis of cbers and spot images to aid in local management

Author

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  • Luciana Cavalcanti Maia Santos
  • Humberto Reis Matos
  • Yara Schaeffer-Novelli
  • Marília Cunha-Lignon
  • Marisa Dantas Bitencourt
  • Nico Koedam
  • Farid Dahdouh-Guebas

Abstract

In Brazil, despite the existence of various environmental laws to protect mangroves, this ecosystem has been affected by a variety of anthropogenic activities. The São Francisco River Estuary (SFRE, Brazil Northeast) comprises significant mangrove forests, important for human populations, and is included in an Environmental Protected Area of sustainable use which does not have a management plan. This work assessed and mapped anthropogenic activities on the mangroves of this estuary and provided a number of guidelines for a local management plan. Satellite images (SPOT 5 and CBERS 2B) of 2008 were processed and a land use/cover map (study area size: 192.4km2) produced and verified by fieldwork. About 93% (178.8km2) of the study area is occupied by natural cover such as: sandy coastal vegetation (147.3km2, 77%), mangroves (30.1km2, 15.7%) and intertidal flats (1.4km2, 0.7%), while 7% (13.6km2) is occupied by human activities as aquaculture (4.5km2, 2.4%) and agriculture (9km2, 4.7%). These uses are spatially distributed within mangroves, accounting for approximately one quarter (7.8km2) of its area, which may indicate the conversion of these forests. Shrimp farming is the main anthropogenic activity, occupying the highest area and occurring within the tallest Rhizophora mangle forests (tree height >15m). We recommend that a management plan for the SFRE considers: the implementation of sustainable aquaculture practices (e.g. small-scale without deforestation of mangroves, use of native species, effluent treatment, socio-economic equity), strategies for the compliance of the laws regarding shrimp farming license and operation and support the creation of community-based cooperatives for the execution of sustainable aquaculture. © 2013 Elsevier Ltd.

Suggested Citation

  • Luciana Cavalcanti Maia Santos & Humberto Reis Matos & Yara Schaeffer-Novelli & Marília Cunha-Lignon & Marisa Dantas Bitencourt & Nico Koedam & Farid Dahdouh-Guebas, 2014. "Anthropogenic activities on mangrove areas (são francisco river estuary, brazil northeast): A gis-based analysis of cbers and spot images to aid in local management," ULB Institutional Repository 2013/168498, ULB -- Universite Libre de Bruxelles.
    • Handle: RePEc:ulb:ulbeco:2013/168498
    Note: SCOPUS: ar.j
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    Cited by:

    1. Kai Chen & Minggang Cai & Yun Wang & Bin Chen & Xiaomeng Li & Canrong Qiu & Shuiying Huang & Jionghui Sun & Xiaoyan Liu & Bihua Qian & Hongwei Ke, 2020. "Organochlorine Pesticides in Sediment of Zhang River Estuary Mangrove National Natural Reserve: The Implication of Its Source Change in China’s Mangroves," Sustainability, MDPI, vol. 12(7), pages 1-18, April.
    2. Qiaozhen Guo & Xiaoxu Wu & Qixuan Bing & Yingyang Pan & Zhiheng Wang & Ying Fu & Dongchuan Wang & Jianing Liu, 2016. "Study on Retrieval of Chlorophyll-a Concentration Based on Landsat OLI Imagery in the Haihe River, China," Sustainability, MDPI, vol. 8(8), pages 1-15, August.
    3. Sukuryadi & Nuddin Harahab & Mimit Primyastanto & Bambang Semedi, 2021. "Collaborative-based mangrove ecosystem management model for the development of marine ecotourism in Lembar Bay, Lombok, Indonesia," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 23(5), pages 6838-6868, May.

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