Local uses of mangroves and perceived impacts of their degradation in Grand-Popo municipality, a hotspot of mangroves in Benin, West Africa

Gnansounou, Setondé Constant; Toyi, Mireille Scholastique; Salako, Kolawolé Valère; Ahossou, Oscar D.; Akpona, Téwogbadé Jean Didier; Gbèdomon, Rodrigue Castro; Assogbadjo, Achille Ephrem; Kakaï, Romain Glèlè

doi:10.1016/j.tfp.2021.100080

Cited by 27 publications

(35 citation statements)

References 32 publications

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“…Mangroves' woods are harvested in the study mainly for domestic uses. This concurs with the ndings of previous works carried out in the reserve (Gnansounou et al, 2021, Adanguidi et al, 2020, Zanvo et al, 2021. The growing interest on mangroves' woods for domestic uses in the study sites may be due to the demographic growth currently prevailing in the reserve (Teka et al, 2018).…”

Section: Discussionsupporting

confidence: 91%

“…The strong involvement of the customary laws that governed the area coupled with the use of traditional means to protect mangroves within the site yielded tremendous results, and fostered mangroves conservation in the area. Firstly, the customary laws known for Xwlahs, which represented over 50% of the local population within the site (Gnansounou et al, 2021) have been set as general rules in order to ght against mangrove pollution in the reserve. These laws, which include the ban on open defecation as well as sewage and waste dumping into the water bodies of the area have helped to considerably limit mangrove pollution which was not a major threat to mangrove, since it put the ecosystem under low risk (see Table 4).…”

Section: Discussionmentioning

confidence: 99%

“…Most Xwlahs and Xwedahs in Benin, and most Minas in Togo reported the reduction of manmade pressures to mangroves as a result of the co-management. These ethnic groups represent the indigenous sociocultural groups of the area (Gnansounou et al, 2021), and therefore are more knowledgeable about the degradation of mangroves in the reserve. This concurs with Nyangoko et al, (2021) who found difference in perception in the local use of mangroves in Tanzania with a signi cant variation across ethnic groups.…”

Section: Discussionmentioning

confidence: 99%

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Is the Co-management Approach Effective for Mangrove Conservation in West Africa?

Gnansounou¹,

Sagoe

Mattah

et al. 2021

Preprint

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The conservation management literature has recently documented the increasing use of co-management approach to effectively conserve natural resources. Although most research qualify the co-management as highly effective, some authors also reported a number of uncertainties associated with the use of this conservation approach. Using the Mono Transboundary Biosphere Reserve (MTBR) as a case study, this work assessed the effectiveness of the co-management towards mangroves conservation in West Africa. Data were collected in two protected sites of the reserve (one in Togo and the other in Benin). Exploratory sequential mixed method via in-depth interviews (n=17), focus group discussions (n=14), household survey (n=274) and expert-based survey (n=10) were carried out, and subjected to the InVEST-based Habitat Risk Assessment (HRA) model, chi-square test and simple probability of likelihood. Results indicated that under the current co-management regimes, the anthropogenic stressors recorded in the reserve put the entire surface area of mangroves in Benin (100%) under low risk. Contrarily, 42% of the mangrove cover are under low risk and 58% under medium risk in Togo. Local perception also portrayed a large reduction of mangrove degradation in the study sites following the adoption of the co-management approach in the two countries. This study suggests that the implementation of the co-management approach has lowered anthropogenic stressors to mangroves in the reserve. However, there are some peculiar challenges (e.g., financial support provision, regular community engagement), which need to be thoroughly researched and addressed for a more effective conservation of mangroves in the MTBR.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Is the Co-management Approach Effective for Mangrove Conservation in West Africa?

Gnansounou¹,

Sagoe

Mattah

et al. 2021

Preprint

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“…The existence of mangroves helps in human life, especially in coastal areas. Anthropogenic pressures from various needs have led to a decrease in mangrove forest cover around the world [5][6][7][8][9][10][11][12][13][14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

The Critical Level of Mangrove Ecosystem in Lariang Watershed Downstream, West Sulawesi-Indonesia

Naharuddin¹

2021

IJSDP

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Critical land is a land whose soil condition has experienced or is in the process of physical, chemical, or biological damage which ultimately endangers hydrological, orological functions, and agricultural production. This research purposes were to determine the level of criticality of mangrove ecosystems, as the basis for sustainable management. Determination and delineation of the location were carried out photogrammetrically using Landsat 7 ETM + Band 542 imagery and maps, as well as terrestrial by direct measurement in the field. The species inventory and identification, tree/pole potency, saplings and seedlings used the line plot sampling and spot check methods. The results showed that the mangrove ecosystem area was of 577.07 ha, condition of dense (uncritical) vegetation reached an area of 138.16 ha (23.94%), followed by a rare (critical) condition of 286.63 ha (49.67%), while a damaged condition (very critical) 152.28 ha (26.39%). The dominant mangrove species were Sonneratia alba, Rhizophora apiculata, Avicenia marina, and Rhizophora mucronata. The main determinant of the mangrove ecosystems criticality was the mangrove cover area reduction as the non-mangrove land (ponds) impacts. To improve the quality of mangrove forest ecosystems, sustainable conservation is needed, one of which is the preparation of basic mangrove critical data and community empowerment. They are needed to restore, maintain and improve the function of forests and mangrove forest lands in order to increase their carrying capacity, productivity and their role in maintaining life support systems through rehabilitation programs.

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“…The mangrove ecosystem is a unique ecosystem with characteristic fauna and flora morphology [1] and grows in river mouths, tidal areas, or seasides [1][2][3] as a transition of terrestrial species [4]. Furthermore, the morphology of mangrove plants is a combination of the characteristics of aquatic and terrestrial plants and has a root system generally in the form of pneumatophores or breath roots [1] as well as stilt roots [3].…”

Section: Introductionmentioning

confidence: 99%

Mangrove Ecosystem Biodiversity in Malacca Strait and Its Economic Values to Local Community: A Case Study in Riau Coastline

Zulkarnaini¹,

Yuliasamaya²,

Syafriadiman³

2021

IJSDP

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The mangrove ecosystem holds a lot of potentials to be utilized by local communities in the Riau Coastline. Therefore, this study was carried out to assess the biodiversity of flora and fauna in the Riau Coastline mangrove ecosystem and its impacts on local communities. The transect was performed to identify soil conditions, distribution, and the dominance of flora species, while field observations and interviews with residents were conducted to determine the presence of fauna and discover the ecosystem’s benefit to the local community's economy. Based on the results, Rhizophora mucronata and Rhizophora apiculata has the highest relative dominance (RDC) and important value index in all observed stations. On the other hand, the fish/water biota species has the highest diversity and have economic that mostly serve as a catch for local fishermen. Ecotourism is also encouraged to boost the community's economy and aid ecological learning for sustainability purposes. The mangrove ecosystem's existence remains sustainable because fisheries are the main commodity, however, logging is less desirable as a source of income.

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Local uses of mangroves and perceived impacts of their degradation in Grand-Popo municipality, a hotspot of mangroves in Benin, West Africa

Cited by 27 publications

References 32 publications

Is the Co-management Approach Effective for Mangrove Conservation in West Africa?

Is the Co-management Approach Effective for Mangrove Conservation in West Africa?

The Critical Level of Mangrove Ecosystem in Lariang Watershed Downstream, West Sulawesi-Indonesia

Mangrove Ecosystem Biodiversity in Malacca Strait and Its Economic Values to Local Community: A Case Study in Riau Coastline

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