Status of flying fox Bat (Pteropus spp.) in Vietnam

Sơn, Nguyễn Trường; Thong, Vu Dinh; Tien, Pham Duc; Khoi, Nguyen Vu

doi:10.15625/0866-7160/v31n3.4946

Cited by 3 publications

(2 citation statements)

References 1 publication

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“…Our results emphasize the urgent need to protect bats in Vietnam, as the majority of species are likely to experience negative impacts from climate and land-cover changes by the midcentury. It is important to note that our predictions may underestimate the severity of the impacts, because our models did not consider other threats to bats, such as hunting or collisions with wind turbines (Arnett et al 2016;Son et al 2009), and assumed that bats would fully occupy all suitable habitats in the future.…”

Section: Conservation Implicationsmentioning

confidence: 99%

Potential individual and interactive effects of climate and land-cover changes on bats and implications for conservation planning: a case study in Vietnam

Tuan,

Thong,

Son

et al. 2023

Biodivers Conserv

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Climate and land-cover changes are among major threats to biodiversity. However, the interactive effects of the two threats are often overlooked in conservation planning. Using 81 bat species occurring in Vietnam as a case, we investigated the individual and interactive effects of climate and land-cover changes, highlighting the importance of this information for conservation efforts. By using species distribution models, we predicted the potential changes in range size among species and in species richness across Vietnam by the 2050s, considering projected climate and land-cover changes under two emission scenarios. Our results revealed that both threats individually would have predominantly negative effects on bats in Vietnam. Moreover, when these threats occur simultaneously, their interactions would generally intensify the impacts by mitigating individual positive effects and/or enhancing negative effects. However, we also found large interspecific and geographic variations in the direction and magnitude of these effects. Forest specialists, insectivores and cave-roosting species were predicted to be particularly vulnerable to the negative effects, with northern and southern Vietnam being more affected. These results underscore the urgent need to incorporate both climate and land-cover changes, as well as their interactions, into conservation planning for bats in Vietnam and biodiversity in general. The species-specific and spatially-explicit information regarding the impacts of the two threats can guide conservation actions, allowing us to target more manageable and less uncertain threats, as well as prioritize the protection of more vulnerable species.

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Section: Conservation Implicationsmentioning

confidence: 99%

Potential individual and interactive effects of climate and land-cover changes on bats and implications for conservation planning: a case study in Vietnam

Tuan,

Thong,

Son

et al. 2023

Biodivers Conserv

View full text Add to dashboard Cite

show abstract

“…The natural bat roost was located at a religious site in Soc Trang province known as the "bat pagoda", where Pteropus sp. have historically roosted in trees protected from hunting, and light and noise pollution [24].…”

Section: Plos Onementioning

confidence: 99%

Coronavirus testing indicates transmission risk increases along wildlife supply chains for human consumption in Viet Nam, 2013-2014

et al. 2020

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Outbreaks of emerging coronaviruses in the past two decades and the current pandemic of a novel coronavirus (SARS-CoV-2) that emerged in China highlight the importance of this viral family as a zoonotic public health threat. To gain a better understanding of coronavirus presence and diversity in wildlife at wildlife-human interfaces in three southern provinces in Viet Nam 2013-2014, we used consensus Polymerase Chain Reactions to detect coronavirus sequences. In comparison to previous studies, we observed high proportions of positive samples among field rats (34.0%, 239/702) destined for human consumption and insectivorous bats in guano farms (74.8%, 234/313) adjacent to human dwellings. Most notably among field rats, the odds of coronavirus RNA detection significantly increased along the supply chain from field rats sold by traders (reference group; 20.7% positivity, 39/188) by a factor of 2.2 for field rats sold in large markets (32.0%, 116/363) and 10.0 for field rats sold and served in restaurants (55.6%, 84/151). Coronaviruses were also detected in rodents on the majority of wildlife farms sampled (60.7%, 17/28). These coronaviruses were found in the Malayan porcupines (6.0%, 20/331) and bamboo rats (6.3%, 6/96) that are raised on wildlife farms for human consumption as food. We identified six known coronaviruses in

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Coronavirus testing indicates transmission risk increases along wildlife supply chains for human consumption in Viet Nam, 2013-2014

Huong

Nga

Long

et al. 2020

Preprint

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51Outbreaks of emerging coronaviruses in the past two decades and the current pandemic 52 of a novel coronavirus (SARS-CoV-2) that emerged in China highlight the importance of this 53 viral family as a zoonotic public health threat. To gain a better understanding of coronavirus 54 presence and diversity in wildlife at wildlife-human interfaces in three southern provinces in Viet 55Nam 2013-2014, we used consensus Polymerase Chain Reactions to detect coronavirus 56 sequences. In comparison to previous studies, we observed high proportions of positive samples 57 among field rats (34.0%, 239/702) destined for human consumption and insectivorous bats in 58 guano farms (74.8%, 234/313) adjacent to human dwellings. Most notably among field rats, the 59 odds of coronavirus RNA detection significantly increased along the supply chain from field rats 60 sold by traders (reference group; 20.7% positivity, 39/188) by a factor of 2.2 for field rats sold in 61 large markets (32.0%, 116/363) and 10.0 for field rats sold and served in restaurants (55.6%, 62 84/151). Coronaviruses were detected in the majority of wildlife farms (60.7%, 17/28) and in the 63 Malayan porcupines (6.0%, 20/331) and bamboo rats (6.3%, 6/96) that are farmed. We identified 64 six known coronaviruses in bats and rodents, clustered in three Coronaviridae genera, including 65 the Alpha-, Beta-, and Gammacoronaviruses. Our analysis also suggested either mixing of 66 animal excreta in the environment or interspecies transmission of coronaviruses, as both bat and 67 avian coronaviruses were detected in rodent feces in the trade. The mixing of multiple 68 coronaviruses, and their apparent amplification along the wildlife supply chain into restaurants, 69 suggests maximal risk for end consumers and likely underpins the mechanisms of zoonotic 70 spillover to people. 71 72

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Status of flying fox Bat (Pteropus spp.) in Vietnam

Cited by 3 publications

References 1 publication

Potential individual and interactive effects of climate and land-cover changes on bats and implications for conservation planning: a case study in Vietnam

Potential individual and interactive effects of climate and land-cover changes on bats and implications for conservation planning: a case study in Vietnam

Coronavirus testing indicates transmission risk increases along wildlife supply chains for human consumption in Viet Nam, 2013-2014

Coronavirus testing indicates transmission risk increases along wildlife supply chains for human consumption in Viet Nam, 2013-2014

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