Ecosystem service variation and its importance to the wellbeing of smallholder farmers in contrasting agro‐ecological zones of East African Rift

Ketema, Haile; Wei, Wu; Legesse, Abiyot; Wolde, Zinabu; Temesgen, Habtamu; Yirsaw, Eshetu

doi:10.1002/fes3.310

Cited by 2 publications

(2 citation statements)

References 38 publications

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“…However, the value of food production followed by biological control and pollination service functions was increased as a result of the cultivated land expansion. The results agree with the findings of various studies (Aneseyee et al, 2020; Assefa et al,2021; Berihun et al, 2021; Gashaw et al,2018; Ketema et al,2021; Kindu et al, 2013; Shiferaw et al,2021; Sun et al, 2021; Woldeyohannes et al,2020). Land degradation mainly due to deforestation and agricultural expansion could severely contribute to a significant loss of ecosystem services (Shiferaw et al, 2021).…”

Section: Discussionsupporting

confidence: 92%

“…The expansion of the Acacia decurrens planting area has contributed to an increase in the total value of ecosystem services (Berihun et al, 2021). The protection of forests and shrubs as well as the conservation of wetland ecosystems is essential as they represent a high value of ecosystem services per hectare and are essential to preventing the loss of further ecosystem service values (Ketema et al, 2021; Sharma et al, 2019; Temesgen et al, 2018). The cultivation of acacia helps to increase the area of inland water catchment (Castro-Díez et al, 2021).…”

Section: Discussionmentioning

confidence: 99%

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Changes in Ecosystem Service Values in Response to the Planting ofEucalyptus and AcaciaSpecies in the Gilgel Abay Watershed, Northwest Ethiopia

Debie

Anteneh

2022

Tropical Conservation Science

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Plantation of Eucalyptus and Acacia species emerges as a promising alternative in the tropics in a scenario of high demand for provisional and regulating ecosystem services. The research aimed to characterize the spatiotemporal dynamics of ecosystem service values in response to planting practices of Eucalyptus and Acacia species in the Gilgel Abay watershed, Northwest Ethiopia. The threshold values of NDVI were employed to classify land-use/covers using cloud-free satellite imagery data in 1984, 1998, 2013, and 2021. The benefit transfer method of modified value coefficient was used to estimate ecosystem service values (ESVs) of the study watershed. Total ESV decreased from 1984 to 1998 due to the expansion of cultivated land at the expense of natural forests, shrubs, and grasslands. As food production increased, performance levels of climate regulation, erosion control, and nutrient cycle declined. In contrast, the service values of erosion control, climate regulation, and nutrient cycles were the major contributors to the overall increase in ESV from 1998 to 2021. This was caused by expanding Acacia and Eucalyptus species plantation at the expense of cultivated land in the watershed. The research revealed a trade-off relationship between provisional and other ecosystem services, such as regulating and supporting ecosystem service values in response to land-use system transformation. As a result, it is suggested that synergistic interactions between regulating, provisional, and supporting ecosystem service values be developed by merging plantation and cultivated land. Maintaining the right proportions of degraded plantations, protected natural forests, farmlands, and wetland ecosystems can be the most effective way to provide optimal multiple ecosystem services.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 99%

Changes in Ecosystem Service Values in Response to the Planting ofEucalyptus and AcaciaSpecies in the Gilgel Abay Watershed, Northwest Ethiopia

Debie

Anteneh

2022

Tropical Conservation Science

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Impact of Landscape Management Scenarios on Ecosystem Service Values in Central Ethiopia

Biratu

Bedadi

Gebrehiwot

et al. 2022

Land

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This study aimed at modeling scenarios of future land use and land cover (LULC) change and estimating ecosystem service (ES) values for the year 2051 compared to 2021 in Central Ethiopia. The future LULC changes for the year 2051 were simulated for four scenarios, namely Business-as-Usual (BAU), Rapid Agricultural Expansion (RAE), Ecosystems Protection and Agricultural Development (EPAD) and Landscape Ecosystems Restoration and Conservation (LERC). The four LULC change scenarios were simulated based on anticipated assumptions that were derived from existing spatial policies, a consultation workshop report on scenarios of agricultural development in Ethiopia, suitability analysis, population growth analysis and expert knowledge of the study area characteristics. We used a Multi-Layer Perceptron–Artificial Neuron Network (MLP–ANN) model-based projected LULC for the BAU scenario and the Integrated Valuation of Ecosystem Services and Tradeoffs (InVEST) model to generate RAE, EPAD and LERC scenarios in the study landscape. The benefit transfer method was used to estimate the total ES values and for trade-off analysis. The result showed that LULC changes in the study area varied across simulated scenarios compared to the base year 2021. Under the BAU and RAE scenarios, cultivated land increased by 146,548 ha (22%) and 193,965 ha (29%), whereas forest, water body, wetland and shrub-bush land were reduced. However, forest cover increased by 31,725 ha and 100,080 ha but bare land was reduced by 8466 ha (21%) and 10,379 ha (25%) under the EPAD and LERC scenarios. The forest cover annual rate of change was 3.2% and 6% under the EPAD and LERC scenarios. As a result, the total ES value increased by USD 24.5 and 78.5 million under the EPAD and LERC scenarios for the year 2051, whereas the total ES value was reduced under the BAU and RAE scenarios by USD 27.1 and 73.2 million. The trade-offs among ecosystem services were significantly synergized under the LERC scenario compared to RAE. Therefore, EPAD and LERC could be used as a reference for sustainable landscape planning and management. Landscape ecosystems restoration integrated with a sustainable agricultural intensification approach would enable us to ensure the sustainability of both agricultural production and ecosystem service synergies without negatively affecting the natural environment.

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Ecosystem service variation and its importance to the wellbeing of smallholder farmers in contrasting agro‐ecological zones of East African Rift

Abstract: This is an open access article under the terms of the Creat ive Commo ns Attri bution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Cited by 2 publications

References 38 publications

Changes in Ecosystem Service Values in Response to the Planting ofEucalyptus and AcaciaSpecies in the Gilgel Abay Watershed, Northwest Ethiopia

Changes in Ecosystem Service Values in Response to the Planting ofEucalyptus and AcaciaSpecies in the Gilgel Abay Watershed, Northwest Ethiopia

Impact of Landscape Management Scenarios on Ecosystem Service Values in Central Ethiopia

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