Stakeholders, Institutional Challenges and the Valuation of Wetland Ecosystem Services in South Sudan: The Case of Machar Marshes and Sudd Wetlands

Mulatu, D.W.

doi:10.1007/s00267-022-01609-8

Cited by 13 publications

(18 citation statements)

References 35 publications

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“…The huge livestock population in and around the wetlands could be part of the explanation for the high value of water services from the wetlands. This result is consistent with (Mulatu et al, 2022;Kakuru et al, 2013). Both Ethiopia and South Sudan are known to have huge livestock population.…”

Section: Land Use and Land Cover Change Of The Lower Baro Wetlands Sy...supporting

confidence: 86%

“…We applied the value transfer approach to estimate the total economic value of the wetlands. To complement the discussion of the results obtained using the value transfer approach, the result from Machar Marshes and Sudd wetlands (Mulatu et al, 2022) have been used…”

Section: Methodsmentioning

confidence: 99%

“…Particularly, the spill from the Baro river into the Machar Marshes (in the White Nile Sub-basin) is one of the naturally occurring transfer of water into a neighboring catchment [2]. Even if the economic value of the Machar Marshes wetland (Mulatu et al, 2022) is conducted, to get a complete picture of the wetland systems in the basin, since the Baro river spills into the Machar Marshes wetland, it is necessary to value and asses the lower Baro wetland. Hence, this study was initiated based on this motive and hence, in a sense, is a continuation of the previous studies conducted both in South Sudan and other countries in the Nile basin.…”

Section: Introductionmentioning

confidence: 99%

“…Among African countries, South Sudan's wetlands are is the least studied despite the wetlands in the country constitute about 14.7 percent of the land area. It was only recently some attempt was made to study the economic values of Machar Marshes and Sudd wetlands (Mulatu et al, 2022(Mulatu et al, , 2020b(Mulatu et al, , 2020a; Mulatu and Tadesse, 2021; Gowdy and Lang, 2016) using value transfer approaches. Hence this study was a further effort to ll the knowledge and information gap regarding the wetlands in the country so as to promote evidence-based decision making and interventions in the country.…”

Section: Introductionmentioning

confidence: 99%

“…However, we couldn't nd any valuation study in South Sudan (other than Sudd and Machar wetlands(Mulatu et al, 2022(Mulatu et al, , 2020a(Mulatu et al, , 2020b which is based on value transfer and a synthesis study of Nile Basin Wetlands TEEB (Mulatu and Tadesse, 2021) as well as limited wetland valuation studies in Ethiopia as well that can help us in such exercise. Hence, we opted to depend on the ecosystem services valuation database (ESVD) version released on June, 2020.…”

mentioning

confidence: 99%

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The Economic Value of the Ecosystem Services of Wetlands in the Nile Basin: the Case of Lower Baro in Ethiopia and South Sudan

Tadesse

Mulatu²,

Yohannes

et al. 2022

Preprint

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South Sudan and Ethiopia, despite possessing many wetlands – some even having international importance, there has been limited attempts to value the ecosystem and biodiversity services of the wetlands. However, such valuation exercises are vital to promote knowledge-based decision making and the proper management of the wetlands. The Lower Baro wetlands systems is one of the wetlands in the Nile Basin located in both countries and among the wetlands with limited availability of literature; let alone valuation studies. This study is, hence, aimed at filling this gap and applied the Ecosystem Services Valuation Database (ESVD) to estimate the values of the ecosystem services since it was difficult to access the study area. The land use land cover map of the area was extracted using Remote Sensing and GIS tools. Considering 2020 as a base year, the annual economic value of the wetlands’ ecosystem services was estimated at above $660 million. More than half of these benefits emanate from the provisioning services while regulating and cultural services contribute about 22.5 percent each. The biodiversity services stood the least with less than half a percentage contribution. The findings reveal that the ESVD database is a good source of information for valuing wetlands in data scarce regions. Since the regulating and biodiversity services have a public good character, which may not be the immediate reasons for the conservation of the wetlands, actors from local to international levels should play their part in designing mechanisms for duly compensating local communities for these services.

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Section: Land Use and Land Cover Change Of The Lower Baro Wetlands Sy...supporting

confidence: 86%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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The Economic Value of the Ecosystem Services of Wetlands in the Nile Basin: the Case of Lower Baro in Ethiopia and South Sudan

Tadesse

Mulatu²,

Yohannes

et al. 2022

Preprint

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Incorporating Ecosystem Services into Water Resources Management—Tools, Policies, Promising Pathways

Vollmer

Burkhard

Esmail

et al. 2022

Environmental Management

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Ecosystems provide a range of services, including water purification, erosion prevention, and flood risk mitigation, that are important to water resource managers. But as a sector, water resources management has been slow to incorporate ecosystem protection and restoration, for a variety of reasons, although related concepts such as nature-based solutions and green infrastructure are gaining traction. We explain some of the existing challenges to wider uptake of the ecosystem services concept in water resources management and introduce some promising avenues for research and practice, elaborated in more detail through 12 papers, spanning five continents and a variety of contexts, which make up a Special Issue on “Incorporating Ecosystem Services into Water Resources Management”. Cross-cutting themes include (A) ecosystem services as a flexible concept to communicate with stakeholders; (B) participatory processes to involve stakeholders in research; (C) multiple values, and valuation methods, of water-related services; and (D) applications of decision-support tools. We conclude with a summary of research gaps and emphasize the importance of co-producing knowledge with decision makers and other stakeholders, in order to improve water resources management through the integration of ecosystem services.

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The Influence of Ambient Weather Conditions on Stated Preferences for Ecosystem Services Management

Notaro

Grilli

2023

Environmental Management

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One of the assumptions in stated preference studies is the stability of respondents’ preferences. This assumption might be violated in situations of context dependence, i.e., when the contingent situation influences respondents’ choices. Ambient weather conditions (AWCs) are one element of the context that may influence stated preferences. The literature suggests that AWCs affect people’s emotions, behaviors, and decision-making processes; however, the potential AWCs impact in environmental preference studies has not yet been investigated. This aspect is of high importance because context-dependent choices return biased willingness to pay estimates and affect the subsequent welfare analysis that informs public policy. To shed light on this important aspect of non-market valuation studies, we explore the effect of AWCs on preferences elicited with a Discrete Choice Experiment for ecosystem services management of a Nature Park. Results of a generalized mixed logit model evidenced a significant effect of AWCs on respondents’ choices, with good weather conditions leading to higher preferences and willingness to pay for ecosystem services management. This result, which is consistent with previous psychological studies, raises the issue of sampling design and reveals the importance of a sensitivity analysis of WTP. As this issue is still unexplored in stated preference studies, we also encourage undertaking similar studies to add a priori knowledge for more accurate ex-post calibration of WTP estimates.

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Stakeholders, Institutional Challenges and the Valuation of Wetland Ecosystem Services in South Sudan: The Case of Machar Marshes and Sudd Wetlands

Cited by 13 publications

References 35 publications

The Economic Value of the Ecosystem Services of Wetlands in the Nile Basin: the Case of Lower Baro in Ethiopia and South Sudan

The Economic Value of the Ecosystem Services of Wetlands in the Nile Basin: the Case of Lower Baro in Ethiopia and South Sudan

Incorporating Ecosystem Services into Water Resources Management—Tools, Policies, Promising Pathways

The Influence of Ambient Weather Conditions on Stated Preferences for Ecosystem Services Management

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