Remote Sensing and Ethnobotanical Assessment of the Mangrove Forest Changes in the Navachiste-San Ignacio-Macapule Lagoon Complex, Sinaloa, Mexico

Cornejo, Rubi Hernández; Koedam, Nico; Ruiz‐Luna, Arturo; Troell, Max; Dahdouh‐Guebas, Farid

doi:10.5751/es-01286-100116

Cited by 62 publications

(64 citation statements)

References 28 publications

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“…3), whereas tall wood is used for house and boat constructions. Similarly, the usage of mangrove bark for preparing dye to color and increase the durability of fishing nets was reported elsewhere (Hernández-Cornejo et al 2005;Walters et al 2008). The medicinal value of mangroves in the TWNP (Table 2) is comparable with the observations of Bandaranayake (1998), and Pattanaik et al (2008.…”

Section: Mangrove Fishery Resourcessupporting

confidence: 79%

“…The medicinal value of mangroves in the TWNP (Table 2) is comparable with the observations of Bandaranayake (1998), and Pattanaik et al (2008. The tea made from A. germinans leaves is also used locally in the Mexican mangrove areas to alleviate gastric diseases (Hernández-Cornejo et al 2005).…”

Section: Mangrove Fishery Resourcesmentioning

confidence: 99%

“…Moreover, perhaps the new and strict forest conservation measures in harmony with the needs of the local populations and sustainable dependency could mitigate the above impacts to a greater extent. When mangrove degradation occurs, exploitation activities are shifted to other part(s) of the ecosystem and result in overexploitation of the remaining resources (Hernández-Cornejo et al 2005). Therefore, the information on different trade-offs and their Electronic supplementary material The online version of this article (doi:10.1007/s13280-012-0248-7) contains supplementary material, which is available to authorized users.…”

Section: Introductionmentioning

confidence: 99%

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A Socio-Ecological Assessment Aiming at Improved Forest Resource Management and Sustainable Ecotourism Development in the Mangroves of Tanbi Wetland National Park, The Gambia, West Africa

Satyanarayana

Bhanderi

Debry

et al. 2012

AMBIO

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Although mangroves dominated by Avicennia germinans and Rhizophora mangle are extending over 6000 ha in the Tanbi Wetland National Park (TWNP) (The Gambia), their importance for local populations (both periurban and urban) is not well documented. For the first time, this study evaluates the different mangrove resources in and around Banjul (i.e., timber, non-timber, edible, and ethnomedicinal products) and their utilization patterns, including the possibility of ecotourism development. The questionnaire-based results have indicated that more than 80% of peri-urban population rely on mangroves for timber and non-timber products and consider them as very important for their livelihoods. However, at the same time, urban households demonstrate limited knowledge on mangrove species and their ecological/economic benefits. Among others, fishing (including the oyster-Crassostrea cf. gasar collection) and tourism are the major incomegenerating activities found in the TWNP. The age-old practices of agriculture in some parts of the TWNP are due to scarcity of land available for agriculture, increased family size, and alternative sources of income. The recent focus on ecotourism (i.e., boardwalk construction inside the mangroves near Banjul city) received a positive response from the local stakeholders (i.e., users, government, and non-government organizations), with their appropriate roles in sharing the revenue, rights, and responsibilities of this project. Though the guidelines for conservation and management of the TWNP seem to be compatible, the harmony between local people and sustainable resource utilization should be ascertained.

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Section: Mangrove Fishery Resourcessupporting

confidence: 79%

Section: Mangrove Fishery Resourcesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A Socio-Ecological Assessment Aiming at Improved Forest Resource Management and Sustainable Ecotourism Development in the Mangroves of Tanbi Wetland National Park, The Gambia, West Africa

Satyanarayana

Bhanderi

Debry

et al. 2012

AMBIO

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“…Typical mangrove habitats are temporarily inundated and often located in inaccessible regions; consequently, traditional field observation and survey methods are extremely time-consuming and cost intensive. To address these issues, large-scale, long-term, cost-effective monitoring and mapping tools are required, which are available by means of remote-sensing technology [9][10][11][12][13][14][15].…”

Section: Introduction To the Methodology Of Remote Sensing Of Mangrovmentioning

confidence: 99%

Remote Sensing of Mangrove Ecosystems: A Review

et al. 2011

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Mangrove ecosystems dominate the coastal wetlands of tropical and subtropical regions throughout the world. They provide various ecological and economical ecosystem services contributing to coastal erosion protection, water filtration, provision of areas for fish and shrimp breeding, provision of building material and medicinal ingredients, and the attraction of tourists, amongst many other factors. At the same time, mangroves belong to the most threatened and vulnerable ecosystems worldwide and experienced a dramatic decline during the last half century. International programs, such as the Ramsar Convention on Wetlands or the Kyoto Protocol, underscore the importance of immediate protection measures and conservation activities to prevent the further loss of mangroves. In this context, remote sensing is the tool of choice to provide spatio-temporal information on mangrove ecosystem distribution, species differentiation, health status, and ongoing changes of mangrove populations. Such studies can be based on various sensors, ranging from aerial photography to high-and medium-resolution optical imagery and from hyperspectral data to active microwave (SAR) data. Remote-sensing techniques have demonstrated a high potential to detect, identify, map, and monitor mangrove conditions and changes during the last two decades, which is reflected by the large number of scientific papers published on this topic. To our knowledge, a recent review paper on the remote sensing of mangroves does not exist, although mangrove ecosystems have become the focus of attention in the context of current climate change and discussions of the OPEN ACCESSRemote Sens. 2011, 3 879 services provided by these ecosystems. Also, climate change-related remote-sensing studies in coastal zones have increased drastically in recent years. The aim of this review paper is to provide a comprehensive overview and sound summary of all of the work undertaken, addressing the variety of remotely sensed data applied for mangrove ecosystem mapping, as well as the numerous methods and techniques used for data analyses, and to further discuss their potential and limitations.

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“…Socio-economic or socio-ecological studies on mangroves are becoming more and more used [e.g., [20]]. However, so far, few ethnobiological surveys in mangroves have been conducted, in particularly for the general documentation of mangrove ethnobiology [e.g., [2,4,21]], the retrospective study of ecosystem changes (e.g., [22][23][24]), and for the investigation of management issues prior to the adoption of a particular policy [e.g. [25][26][27].…”

Section: Introductionmentioning

confidence: 99%

Intense Habitat-Specific Fisheries-Induced Selection at the Molecular Pan I: Locus Predicts Imminent Collapse of a Major Cod Fishery

2016

Fisheries Management and Conservation

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Mangrove forests, though essentially common and wide-spread, are highly threatened. Local societies along with their knowledge about the mangrove also are endangered, while they are still underrepresented as scientific research topics. With the present study we document local utilization patterns, and perception of ecosystem change. We illustrate how information generated by ethnobiological research can be used to strengthen the management of the ecosystem. This study was conducted in the Godavari mangrove forest located in the East-Godavari District of the state Andhra Pradesh in India, where mangroves have been degrading due to over-exploitation, extensive development of aquaculture, and pollution from rural and urbanized areas (Kakinada).One hundred interviews were carried out among the fisherfolk population present in two mangrove zones in the study area, a wildlife sanctuary with strong conservation status and an adjacent zone. Results from the interviews indicated that Avicennia marina (Forsk.) Vierh., a dominant species in the Godavari mangroves, is used most frequently as firewood and for construction. Multiple products of the mangrove included the bark of Ceriops decandra (Griff.) Ding Hou to dye the fishing nets and improve their durability, the bark of Aegiceras corniculatum (L.) Blanco to poison and catch fish, and the leaves of Avicennia spp. and Excoecaria agallocha L. as fodder for cattle. No medicinal uses of true mangrove species were reported, but there were a few traditional uses for mangrove associates. Utilization patterns varied in the two zones that we investigated, most likely due to differences in their ecology and legal status. The findings are discussed in relation with the demographic and socio-economic traits of the fisherfolk communities of the Godavari mangroves and indicate a clear dependency of their livelihood on the mangrove forest.Reported changes in the Godavari mangrove cover also differed in the two zones, with significantly less perceptions of a decrease in the protected area, as compared to the adjacent non-protected area. A posteriori comparisons between sequential satellite imagery (retrospective till 1977) and respondents that were at least 15 years back then, revealed a mangrove decrease which was however perceived to different extents depending on the area with which the fishermen were familiar. While local needs had not been incorporated in the existing policy, we created a framework on how data on ethnobotanical traditions, fishery-related activities and local people's perceptions of change can be incorporated into management strategies.

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Remote Sensing and Ethnobotanical Assessment of the Mangrove Forest Changes in the Navachiste-San Ignacio-Macapule Lagoon Complex, Sinaloa, Mexico

Cited by 62 publications

References 28 publications

A Socio-Ecological Assessment Aiming at Improved Forest Resource Management and Sustainable Ecotourism Development in the Mangroves of Tanbi Wetland National Park, The Gambia, West Africa

A Socio-Ecological Assessment Aiming at Improved Forest Resource Management and Sustainable Ecotourism Development in the Mangroves of Tanbi Wetland National Park, The Gambia, West Africa

Remote Sensing of Mangrove Ecosystems: A Review

Intense Habitat-Specific Fisheries-Induced Selection at the Molecular Pan I: Locus Predicts Imminent Collapse of a Major Cod Fishery

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