Camel culling and carbon emissions in rangelands in central Australia

Zeng, Benxiang

doi:10.1080/09640568.2013.852077

Cited by 6 publications

(4 citation statements)

References 15 publications

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“…Our study did not account for the GHG emissions from decomposing carcasses. Although this source of GHG emissions may be negligible compared with those produced by a living animal (Zeng 2015), decomposing carcasses could provide supplementary food for predators (Forsyth et al 2014). This could have important ecological implications that counteract the expected conservation benefits from feral ruminant management.…”

Section: Discussionmentioning

confidence: 99%

“…Quantifying the GHG emissions abatement that can be achieved through the management of populations of feral ruminants could lead to a market-based mechanism to incentivise their ongoing management. Although previous research has investigated the change in GHG emissions as a result of feral camel management in Australia (Drucker et al 2010;Zeng 2015), to our knowledge no such work has focused on feral buffalo. Here we investigate the potential monetary value of carbon credits that could be generated by reducing feral buffalo populations in northern Australia.…”

Section: Introductionmentioning

confidence: 99%

“…Although previous research has investigated the change in GHG emissions as a result of feral camel management in Australia (Drucker et al . 2010; Zeng 2015), to our knowledge no such work has focused on feral buffalo. Here we investigate the potential monetary value of carbon credits that could be generated by reducing feral buffalo populations in northern Australia.…”

Section: Introductionmentioning

confidence: 99%

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Controlling feral ruminants to reduce greenhouse gas emissions: a case study of buffalo in northern Australia

et al. 2023

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Context. The bourgeoning carbon economy is creating novel ways to incentivise conservation management activities that have the co-benefits of reducing greenhouse gas (GHG) emissions and social inequality. Aim. To estimate the monetary value of carbon credits that landowners could generate by reducing ecologically destructive feral populations of the Asian water buffalo (Bubalus bubalis) in northern Australia. Methods. First, we estimated buffalo enteric emissions based on the population structure of feral buffalo in northern Australia, and discounted the reduction of fire emissions due to the consumption of grassy fuel by feral buffalo. We then predicted the change in buffalo population size across the South Alligator River region of Kakadu National Park under four buffalo management scenarios: (1) no buffalo control; (2) low-intensity buffalo control;(3) moderate-intensity buffalo control; and (4) high-intensity buffalo control. We quantified the reduction of GHG emissions under the three buffalo control scenarios, relative to the scenario of no buffalo control, while discounting the GHG emissions that directly result from buffalo control actions (e.g. helicopter emissions). Key results. All three buffalo control scenarios substantially reduced the estimated GHG emissions that would otherwise have been produced. The low-intensity buffalo control scenario was predicted to abate 790 513 t CO 2 -e over the 20-year simulation, worth USD15 076 085 (or USD753 804 year −1 ). Our high-intensity buffalo control scenario had the greatest reduction in GHG emissions, with a total net abatement of 913 231 t CO 2 -e, worth USD17 176 437 (or USD858 822 year −1 ). Conclusions. The potential value of carbon credits generated by controlling feral buffalo populations in northern Australian savannas far exceeds the management costs. Implications. The management of feral ruminants could be incentivised by the generation of carbon credits. Such management could simultaneously avoid GHG emissions, generate income for landowners and offer significant ecological benefits.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Controlling feral ruminants to reduce greenhouse gas emissions: a case study of buffalo in northern Australia

et al. 2023

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“…Humane eradication would be the most efficient and applicable action that can significantly abate the feral donkey's negative impacts. Humane lethal population control, eradication, is a very common practice and is applied in several parts of the world (Australia, Africa, and America) [40,41], and it was prioritized to control invasive species without conflicting animal welfare standards [42]. Applying a non-poisonous eradication program can have a positive secondary effect on other native species, where it increases food availability for many species, particularly regionally endangered species, such as the Striped hyena (Hyaena hyaena) and the Griffon vulture (Gyps fulvus) [43,44].…”

Section: Discussionmentioning

confidence: 99%

Feral Donkey Distribution and Ecological Impacts in a Hyper-Arid Region

Soultan,

Darwish,

Al-Johani

et al. 2023

Animals

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The feral donkey (Equus asinus L.) is an invasive species in Saudi Arabia and can cause severe damage to natural and cultural heritage. Over the last 30 years, feral donkeys have become a serious problem, as their abundance and geographic distribution has increased drastically. The impacts of feral donkeys are not well documented, and information about their abundance and distribution is lacking, certainly in Saudi Arabia, which hampers the implementation of effective management plans. Accordingly, we used the minimum population number approach (MPN) to determine the number of feral donkeys in this part of northwest Saudi Arabia. A total of 1135 feral donkeys were encountered in the region. The area around Khaybar harbors ~25% (n = 338) of the feral donkey population, whereas Tayma and AlGhrameel nature reserves were the least-inhabited sites (almost absent). The average population density of feral donkeys was estimated as 1.03 (0.19 SE) donkey/km2. We documented the negative ecological impact of feral donkeys on natural resources, which constituted overgrazing that resulted in habitat fragmentation and competition for resources with native species. We propose urgent actions to control the presence of feral donkeys in the region and suggest humane eradication as the most efficient and applicable to significantly reduce the negative impacts of feral donkeys.

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Mitigating GHG emissions: A global ecosystem service provided by obligate scavenging birds

Plaza

Lambertucci

2022

Ecosystem Services

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Camel culling and carbon emissions in rangelands in central Australia

Cited by 6 publications

References 15 publications

Controlling feral ruminants to reduce greenhouse gas emissions: a case study of buffalo in northern Australia

Controlling feral ruminants to reduce greenhouse gas emissions: a case study of buffalo in northern Australia

Feral Donkey Distribution and Ecological Impacts in a Hyper-Arid Region

Mitigating GHG emissions: A global ecosystem service provided by obligate scavenging birds

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