Modelling the susceptibility of wetland plant species under climate change in the Mekong Delta, Vietnam

Dang, An T. N.; Kumar, Lalit; Reid, Michael; Anh, Lư Ngọc Trâm

doi:10.1016/j.ecoinf.2021.101358

Cited by 27 publications

(26 citation statements)

References 91 publications

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“…SDM approaches can identify high suitability habitats for species (Hammond et al 2016;Gottwald et al 2017) and so support the prioritization of these areas for conservation (Kremen et al 2008). Previous studies have demonstrated that SDMs are effective tools for projecting habitat suitability for native species, including wetland plant species under future climate scenarios (Akumu et al 2009;Kariyawasam et al 2019;Shabani et al 2020;Chhogyel et al 2021;Dang et al 2021a).…”

Section: Introductionmentioning

confidence: 99%

“…Although Melaleuca wetlands play critical ecological roles and support local communities, and are threatened by climate changes and SLR, studies on the likely effects of climate change and SLR on these important wetlands are scarce. Dang et al (2021a) used a SDM approach (i.e. ensemble modelling) to develop maps of climatic suitability for Melaleuca wetland species under current and future climate scenarios representative concentration pathways 4.5 and 8.5 (RCP4.5 and RCP8.5) for 2070.…”

Section: Introductionmentioning

confidence: 99%

“…ensemble modelling) to develop maps of climatic suitability for Melaleuca wetland species under current and future climate scenarios representative concentration pathways 4.5 and 8.5 (RCP4.5 and RCP8.5) for 2070. However, Dang et al (2021a) focused on Melaleuca species in both inland and coastal zones, and the impacts of SLR on the wetland species were simply assessed by identifying the SLR-induced inundation, but did not consider other critical processes involved in wetland changes in response to SLR, such as surface elevation changes due to subsidence, erosion, accretion and overwash. The present study aims to address the knowledge gap and provide information to support conservation and management of these important wetlands in the context of a changing climate and rising sea levels by combining SDMs and SLAMM approaches.…”

Section: Introductionmentioning

confidence: 99%

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Coastal Melaleuca wetlands under future climate and sea-level rise scenarios in the Mekong Delta, Vietnam: vulnerability and conservation

Dang

Reid

Kumar³

2023

Reg Environ Change

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Melaleuca wetland ecosystems play crucial roles in ecology and human livelihood, yet the ecosystems are vulnerable to climate change and relative sea-level rise (SLR) impacts. Documents and research on climate change and SLR impacts on coastal Melaleuca wetlands in the Mekong Delta, Vietnam, are currently limited. Therefore, the present study aimed to identify changes in habitat suitability for a coastal Melaleuca wetland species in response to different future climate change and SLR scenarios, in the West Sea of the Mekong Delta, with the aid of an ensemble species distribution model (SDM) and the Sea Level Affecting Marshes Model (SLAMM). Melaleuca species occurrence records, bioclimatic and eco-physiological variables were utilized to predict potential distribution of the species in response to current and future climate scenarios (i.e. RCP4.5 and 8.5) for the year 2070. Wetland maps for 2020, a digital elevation model (DEM) and localized site-specific parameters (i.e. historic trend of SLR, erosion, subsidence and overwash) were utilized as input data for SLAMM to simulate spatial distribution of Melaleuca/forested wetlands under the two SLR scenarios. The final habitat suitability for the Melaleuca wetland species was identified based on these two resultant datasets, climatic suitability and spatial distribution of the wetlands. Simulated results suggested mean losses in suitable habitat of 29.8% and 58.7% for stable and subsidence scenarios, respectively, for the year 2070 in comparison to the baseline scenario. SLR combined with considerable subsidence rate was suggested as one of the main drivers responsible for the habitat suitability loss. The findings obtained from the current work are useful sources for planning conservation areas for the Melaleuca wetlands, to protect and preserve the ecosystems and their important services under future climate and SLR scenarios.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Coastal Melaleuca wetlands under future climate and sea-level rise scenarios in the Mekong Delta, Vietnam: vulnerability and conservation

Dang

Reid

Kumar³

2023

Reg Environ Change

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“…), tigers ( Panthera tigris ), and others also face the risk of extinction due to unsustainable consumption demand for food and medicinal purposes among Vietnamese people (Davis et al, 2019, 2020; Lee et al, 2014; Ministry of Natural Resources and Environment, 2014; Sexton et al, 2021). This demand is a major threat to the richness and endemism of species in Vietnam, besides land conversion for agricultural use, infrastructure development, urbanization, invasive species, pollution, and climate change (Bonebrake et al, 2016; Carew‐Reid et al, 2010; Dang et al, 2021; Meyfroidt & Lambin, 2008; Rutten et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Predictors of support for biodiversity loss countermeasure and bushmeat consumption among Vietnamese urban residents

Nguyen

Jones

2022

Conservat Sci and Prac

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Biodiversity loss is happening at an unprecedented rate, especially in countries like Vietnam, with rich biodiversity and a high population growth rate. One of the main causes of biodiversity loss in Vietnam is the unsustainable bushmeat consumption rate in urban areas. To help mitigate the demand for bushmeat, this study aims to examine the associations between biodiversity loss perceptions, perception toward the prohibition of illegal wildlife consumption, and bushmeat consumption behaviors among urban residents in Vietnam. The investigation employed the Bayesian Mindsponge Framework (BMF)—an analytical framework that combines the strengths of the mindsponge mechanism and Bayesian inference to facilitate investigation into psychological and behavioral issues—on 535 respondents from urban areas across Vietnam (mostly in the two urban centers of Ho Chi Minh and Hanoi). We found that people perceiving environmental degradation, and losses of economic growth, nature‐based recreation opportunities, health, and knowledge as consequences of biodiversity loss were more likely to support the prohibition of illegal wildlife consumption. Although urban residents tended to consume bushmeat less frequently if they perceived losses of economic growth and knowledge as consequences of biodiversity loss, the perception of environmental degradation had an opposite effect on the behavior. Additionally, people consuming bushmeat frequently and supporting the biodiversity loss preventive measure seemed to share similar features: high income and educational levels. These paradoxical results hint at the cultural additivity phenomenon—the willingness to incorporate into one's mind the new values that might or might not logically contradict their existing core cultural values—and its influence on psychology and behavior among Vietnamese urban residents. Given the influence of cultural additivity, it is recommended to put tougher measures (e.g., financial punishment) into perspective so that urban people can recognize the high “cost” of bushmeat consumption and change their perceptions and behaviors accordingly. Apart from that, social marketing, demarketing, or educational campaigns should convey knowledge and information that can help receivers relate biodiversity loss and bushmeat consumption to their subjective cost‐benefit judgments rather than the rarity of the species to avoid triggering an anthropogenic Allee effect—for example, emphasizing the penalty for consuming bushmeat and negative impacts of biodiversity loss on humans in targeted campaigns (e.g., losses of economic growth and knowledge).

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“…Recent studies have focused on relative sea-level rise (RSLR) and the gradual inundation of marshes, where plants have the ability to adapt and respond (Cahoon, McKee, and Morris 2020;Fagherazzi et al 2020;Dang et al 2021). However, hydrologic alterations and water management actions that induce intermittent and instantaneous changes in inundation impose entirely different vegetation and soil stresses than the gradual inundation due to sea-level rise.…”

Section: Introductionmentioning

confidence: 99%

Inundation depth and duration impacts on wetland soils and vegetation : state of knowledge

Suir¹,

Berkowitz²

2021

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The following synthesizes studies investigating plant and soil responses to increased inundation in order to support ecosystem restoration efforts related to the alteration of natural wetland hydrodynamics. Specific topics include hydrologic regimes, soil response to inundation, and implications for vegetation communities exposed to increased water depths. Results highlight the important interactions between water, soils, and vegetation that determine the trajectory and fate of wetland ecosystems, including the development of feedback loops related to marsh degradation and subsidence. This report then discusses the knowledge gaps related to implications of inundation depth, timing, and duration within an ecosystem restoration context, identifying opportunities for future research while providing source materials for practitioners developing restoration projects.

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Modelling the susceptibility of wetland plant species under climate change in the Mekong Delta, Vietnam

Cited by 27 publications

References 91 publications

Coastal Melaleuca wetlands under future climate and sea-level rise scenarios in the Mekong Delta, Vietnam: vulnerability and conservation

Coastal Melaleuca wetlands under future climate and sea-level rise scenarios in the Mekong Delta, Vietnam: vulnerability and conservation

Predictors of support for biodiversity loss countermeasure and bushmeat consumption among Vietnamese urban residents

Inundation depth and duration impacts on wetland soils and vegetation : state of knowledge

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