Sand Dunes and Mangroves for Disaster Risk Reduction and Climate Change Adaptation in the Coastal Zone of Quang Nam Province, Vietnam

Nehren, Udo; Thai, Hoang Ho Dac; Trung, Nguyen Dai; Raedig, Claudia; Alfonso, Sandra

doi:10.1007/978-981-10-2624-9_13

Cited by 13 publications

(15 citation statements)

References 23 publications

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“…Human disturbance and the limited stabilising ability of dune vegetation are key causes of degradation (Onaka et al 2015;Ranasinghe, 2016;MacDonald et al 2017;Pranzini, 2017;Salgado and Martinez, 2017;Vikolainen et al 2017;Gracia et al 2018), while restoration efforts can be supported by both hard (Sutton-Grier et al 2015;Pranzini, 2017) and soft (Sutton-Grier et al 2015;Vikolainen et al 2017) engineering responses. Reduced coastal erosion (Sánchez-Arcilla et al 2016;Goreau and Prong, 2017;Vikolainen et al 2017;Carro, 2018;Gracia et al 2018) and flood risk (Onaka et al 2015;MacDonald et al 2017;Nehren et al 2017) through maintaining dunes as natural buffers against wave energy (Nehren et al 2017) can increase resilience to climate change impacts (Sutton-Grier et al 2015;Magnan and Duvat, 2018). Engineered responses and sand replenishment are considered complementary approaches (Onaka et al 2015;Martínez et al 2017).…”

Section: Adaptation In Mangroves and Other Coastal Ecosystemsmentioning

confidence: 99%

“…Ecosystems may also have physiological and ecological constraints which are exceeded by climate change impacts (Miller et al 2017;Wigand et al 2017), and the recovery periods of natural systems (Gracia et al 2018) and for ecological succession (Salgado and Martinez, 2017) may be outpaced by climate change impacts. The performance of ecosystems in EBA projects may be inhibited by the poor condition of the ecosystem (Nehren et al 2017), highlighting the importance of effective implementation (Salgado and Martinez, 2017).…”

Section: Costs and Limits For Coastal Climate Change Adaptationmentioning

confidence: 99%

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Changing Ocean, Marine Ecosystems, and Dependent Communities

2022

The Ocean and Cryosphere in a Changing Climate

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Section: Adaptation In Mangroves and Other Coastal Ecosystemsmentioning

confidence: 99%

Section: Costs and Limits For Coastal Climate Change Adaptationmentioning

confidence: 99%

Changing Ocean, Marine Ecosystems, and Dependent Communities

2022

The Ocean and Cryosphere in a Changing Climate

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“…More stabilised dunes can be found along the coast in Fujian (Chen and Zhu, 1996;Chen et al, 1992;Hu et al, 2013), Taiwan and Hainan Island (Figure S6) (Ho et al, 2017;Qu et al, 2013;Shih et al, 1994;Wu and Wu, 1987). Increases in coastal dune stability were observed in central Vietnam after a ban on the overuse of dune areas in 1995, followed by the tree plantation in 1997 (Hoang et al, 2010;Nehren et al, 2017). Stabilisation was also observed in southeast Vietnam as a result of land reclamation for agricultural use (Quang-Minh et al, 2010;Sharma, 1990), grass planting (Nehren et al, 2017; Tan Van et al, 2003) and tourism development (Geissler et al, 2011).…”

Section: Asiamentioning

confidence: 99%

“…Increases in coastal dune stability were observed in central Vietnam after a ban on the overuse of dune areas in 1995, followed by the tree plantation in 1997 (Hoang et al, 2010;Nehren et al, 2017). Stabilisation was also observed in southeast Vietnam as a result of land reclamation for agricultural use (Quang-Minh et al, 2010;Sharma, 1990), grass planting (Nehren et al, 2017; Tan Van et al, 2003) and tourism development (Geissler et al, 2011). Increase of dune stability in Parangtritis, Indonesia, was caused by tourism urbanisation since the 1980s (Nehren et al, 2016).…”

Section: Asiamentioning

confidence: 99%

Coastal dune mobility over the past century: A global review

Gao

Kennedy

Konlechner

2020

Progress in Physical Geography: Earth and Environment

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The mobility of coastal dunes is characterised by bio-geomorphological responses related to change in boundary conditions, particularly sediment supply, wind and vegetation cover, as well as human activities. There remains uncertainty regarding the relative importance of these drivers on dune mobility at a global scale. In this study, trends and dominant drivers of coastal dune mobility are synthesised through the literature review focusing on shifts in dune mobility over the last century (1870–2018). In total, 176 individual dunes, with 55 dunes from the Europe-Mediterranean area, 23 from Africa, 30 from North America, 23 from South America, 20 from Oceania and 23 from Asia, are reviewed in this work. The results show that there is a worldwide trend of dune stabilisation, with 93% (164 out of 176) of the reviewed sites showing a loss of bare sand area due to an increase in vegetation cover and urbanisation expansion. Multiple factors have contributed to the stabilisation process, including (a) land-use change such as the change of traditional farming practises, coastal urbanisation and tourism development; (b) dune stabilisation projects; (c) sediment decline caused by the riverine and coastal constructions; and (d) change in climate (i.e. the decrease in windiness, and the increase in temperature and rainfall) and storms. Our results suggest human intervention played a dominant role in altering dune mobility for most dunes during the past century, while climate and storms are also important drivers, especially for dune sites with limited human activities.

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“…Mangrove forests are also globally important carbon sinks with carbon densities exceeding 8 times those typical for terrestrial tropical forests (Hossain 2016). They are considered as high priority habitats in climate change mitigation and adaptation strategies (Nehren et al 2017;Indarsih and Masruri 2019). Mangrove fungi are known to be rich sources of enzymes and secondary metabolites with various applications such as proteinase, cellulose, and antibacterial compounds (Sari et al 2017;Maitig et al 2018;Sibero et al 2018).…”

Section: Introductionmentioning

confidence: 99%

Potential of fungi isolated from a mangrove ecosystem in Northern Sulawesi, Indonesia: Protease, cellulase and anti-microbial capabilities

et al. 2021

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Abstract. Trianto A, Radjasa OK, Subagiyo, Purnaweni H, Bahry MS, Djamaludin R, Tjoa A, Singleton I, Diele K, Evan D. 2021. Potential of fungi isolated from a mangrove ecosystem in Northern Sulawesi, Indonesia: Protease, cellulase and anti-microbial capabilities. Biodiversitas 22: 1717- 1724. The high and relatively unexplored diversity of fungi present in the mangrove ecosystem represents a source of novel biotechnological importance. This study explored the potential of fungi isolated from the mangrove ecosystems to produce proteases and cellulases (commercially important enzymes) and their ability to inhibit pathogenic Vibrio species. Random samples of root, branch, leaf, sediments and litters were collected from 5 different mangrove sites in Manado, North Sulawesi, as a source of fungal isolates. The fungi were isolated on malt extract agar (MEA) and potato dextrose agar (PDA). The isolates were identified mainly based on the molecular methods (18S gene sequence) and examined for their ability to produce proteases, cellulases, and activity against several Vibrio species. Altogether 288 species of fungi were isolated from all samples. The fungi, isolated from leaves showed the highest diversity. A fungal isolate 19 Mba-C2-1 Fusarium equiseti from Avicennia sp. leaf showed the highest protease activity. While, the isolate 19 MT-05-3 Hypocrea sp. from sediment had the highest cellulase activity. From the root of Rhizophora sp., the isolate 19 MT-04-3 identified as Trichoderma viride had the strongest activity against a range of Vibrio species. This work indicates the high potential of fungi isolated from mangrove ecosystems as a source of commercially important enzymes and novel antimicrobial compounds.

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Sand Dunes and Mangroves for Disaster Risk Reduction and Climate Change Adaptation in the Coastal Zone of Quang Nam Province, Vietnam

Cited by 13 publications

References 23 publications

Changing Ocean, Marine Ecosystems, and Dependent Communities

Changing Ocean, Marine Ecosystems, and Dependent Communities

Coastal dune mobility over the past century: A global review

Potential of fungi isolated from a mangrove ecosystem in Northern Sulawesi, Indonesia: Protease, cellulase and anti-microbial capabilities

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