Ecosystem Service Value Distribution Along the Agroecological Gradient in North-Central Ethiopia

Negash, Emnet; Getachew, Tesfaye; Birhane, Emiru; Gebrewahed, Hailemariam

doi:10.1007/s41748-020-00149-7

Cited by 13 publications

(24 citation statements)

References 42 publications

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“…6). This results in high erosion rates such as was determined using rainfall simulation experiments (Rodrigo-Comino et al 2018a;Negash et al 2020) and long-term topographical assessments (Rodrigo-Comino and Cerdà 2018). To achieve the sustainability of the agriculture land it is necessary to apply proper management that will reduce soil and water losses and control the impact of the vine plantations.…”

Section: The Pago Casa Gran Findings Under the Light Of The Current Smentioning

confidence: 94%

“…The new agriculture managements to achieve sustainability should reduce the soil erosion rates and should reach the acceptance of the farmers (Marques et al 2015;Cerdà et al 2018a). Moreover, the new management should contribute to restoring the soils, which means that the soils will produce the ecosystem services requested by the humankind as the soil is a key component of the Earth System at different scales (Rodrigo-Comino et al 2018d;Negash et al 2020). The use of catch crops induces the recovery of the vegetation cover in the agriculture fields.…”

Section: The Pago Casa Gran Findings Under the Light Of The Current Smentioning

confidence: 99%

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Vicia sativa Roth. Can Reduce Soil and Water Losses in Recently Planted Vineyards (Vitis vinifera L.)

et al. 2020

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Elevated soil loss and runoff rates can reduce soil fertility; therefore, soil erosion control strategies must be implemented at the hillslope and watershed scale when plantations are established and the soil is bare. In this research, we propose the use of the Vicia sativa Roth. to reduce the soil losses during the first year to control the peak of soil erosion after the plantation in tilled vineyards. To test its efficiency, rainfall simulation experiments were carried out with field surveys in The Casa Pago Gran, in the Eastern Iberian Peninsula. Our results demonstrate that soil properties (organic matter and soil bulk density) and soil erosion (soil loss, runoff and sediment concentration) were significantly different between the control plot (tilled) and with cover crops along with August 2016, 2017 and 2018 measurement periods, but not during January 2016, coinciding with the initial survey before the vetch sown. Runoff initiation was delayed in 3.7 times after 3 years (from 190 till 709 s). The runoff discharge was reduced by the Vicia sativa from 32.87 till 13.68%, the sediment concentration went down from 18.54 till 3.81 gr l−1 and the soil erosion from 3.36 to 0.29 Mg ha−1 year−1. An increase in soil bulk density was registered but did not affect the runoff generation either the soil losses, that was reduced by the plant cover. We conclude that it is necessary to include soil erosion control measures such as the use of Vicia sativa to reduce soil erosion processes during the first stages of the vineyard plantations due to the soil quality improvements and the reduction in soil and water losses.

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Section: The Pago Casa Gran Findings Under the Light Of The Current Smentioning

confidence: 94%

Section: The Pago Casa Gran Findings Under the Light Of The Current Smentioning

confidence: 99%

Vicia sativa Roth. Can Reduce Soil and Water Losses in Recently Planted Vineyards (Vitis vinifera L.)

et al. 2020

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“…The MEA (2005) also noted that 60% of the world's ecosystems are degraded, leading to a reduction in their services to humans. Because of population pressure and associated human activities such as agriculture, firewood consumption, deforestation, and urbanization, LULC dynamics is the main driver behind ecosystem degradation and changes in ecosystem services (Costanza et al 1997;Hu et al 2008;de Groot et al 2012;Costanza et al 2014;Kindu et al 2016;Wang et al 2017;Cheng et al 2018;Lin et al 2018;Mamat et al 2018;Liu et al 2019;Fenta et al 2020;Negash et al 2020). Costanza et al (2014) reported that global LULC changes induced declines in ecosystem service values (ESVs) from US$ 145 trillion year −1 in 2007 to US$ 125 trillion year −1 in 2011.…”

Section: Introductionmentioning

confidence: 99%

Changes in ecosystem service values strongly influenced by human activities in contrasting agro-ecological environments

et al. 2021

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Background Evaluating the impacts of land-use/land-cover (LULC) changes on ecosystem service values (ESVs) is essential for sustainable use and management of ecosystems. In this study, we evaluated the impact of human activity driven LULC changes on ESVs over the period 1982–2016/17 in contrasting agro-ecological environments: Guder (highland), Aba Gerima (midland), and Debatie (lowland) watersheds of the Upper Blue Nile basin, Ethiopia. Results During the study period, the continuous expansion of cultivated land at the expense of natural vegetation (bushland, forest, and grazing land) severely reduced the total ESV by about US$ 58 thousand (35%) in Aba Gerima and US$ 31 thousand (29%) in Debatie watersheds. In contrast, the unprecedented expansion of plantations, mainly through the planting of Acacia decurrens, led, from 2006, to a ESV rebound by about US$ 71 thousand (54%) in Guder watershed, after it had decreased by about US$ 61 thousand (32%) between 1982 and 2006. The reduction in natural forest area was the major contributor to the loss of total ESV in the study watersheds, ranging from US$ 31 thousand (63%) in Debatie to US$ 96.9 thousand (70%) in Guder between 1982 and 2016/17. On an area-specific basis, LULC changes reduced the average ESV from US$ 560 ha−1 year−1 (1982) in Guder to US$ 306 ha−1 year−1 (2017) in Debatie watersheds. Specific ESVs such as provisioning (mainly as food production) and regulating services (mainly as erosion control and climate regulation) accounted for most of the total ESVs estimated for the study watersheds. Conclusions In most cases, the total and specific ESVs of the watersheds were negatively associated with the population growth, which in turn was positively associated with the expansion of cultivated land over the study period. In Guder, however, ESVs were positively associated with population growth, especially after 2012. This is mainly due to the expansion of Acacia decurrens plantations. Our results suggest, therefore, that future policy measures and directions should focus on improving vegetation cover through planting multipurpose trees such as Acacia decurrens to prevent future loss of ESV in the midland and lowland regions of the Upper Blue Nile basin and beyond. However, caution must be taken during plantation of invasive species as they may have undesirable consequences.

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“…Thus, sensitive benthic taxa such as Assellidae and Perlidae [ 85 ] could be threatened by this disturbance-related driver. Expansion of cultivated lands along agroecological zones in the humid highlands of Ethiopia was found to have an impact on ecosystem like freshwater systems [ 86 ]. This suggests that aquatic life along these agroecological zones may as well be at risk of extinction as a result of these human-led disturbances.…”

Section: Discussionmentioning

confidence: 99%

Response of benthic invertebrate assemblages to seasonal and habitat condition in the Wewe River, Ashanti region (Ghana)

2021

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Aquatic macro-invertebrates play a vital role in the food chain of river ecosystem at several trophic guilds and consumer levels, and are used as biomonitoring tools for aquatic ecosystem health. However, hydrologic conditions of these ecosystems have been severely altered because of the increase in urban development and agricultural expansion. This study examined benthic invertebrate response to processes that structure their community in the Wewe River, segmented into intact, medium, and severe condition zones. We sampled in 100 stations in a period of 4 months in the wet (June–September, 2019) and 3 months in the dry (January–March, 2020) seasons. Geometric series, rarefaction, and Hill numbers models were used to quantify invertebrate assemblages, while ordination technique, canonical correspondence analysis, was used to evaluate the influence of predictive factors on their assemblages. A total of 2,075 individuals belonging to 20 family taxa were registered. There was no significant difference in benthic assemblages between the dry and wet seasons. Predictive factors accounted for 47.04 and 50.84% variances, respectively. Taxa distribution patterns differed significantly only in the severely disturbed zone during the wet season. Neptidae, Libellulidae, and Chironomidae were the most abundant taxa, indicating their broad range habitat preference and their ability to adapt to seasonal changes. Asellidae and Perlidae were the least detected, suggesting their sensitivity to elevated levels of some water quality parameters. The findings highlight the threats to the benthic community and overall functional state of the Wewe River, with the need to consider the proposed conservation interventions indicated in this study.

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Ecosystem Service Value Distribution Along the Agroecological Gradient in North-Central Ethiopia

Cited by 13 publications

References 42 publications

Vicia sativa Roth. Can Reduce Soil and Water Losses in Recently Planted Vineyards (Vitis vinifera L.)

Vicia sativa Roth. Can Reduce Soil and Water Losses in Recently Planted Vineyards (Vitis vinifera L.)

Changes in ecosystem service values strongly influenced by human activities in contrasting agro-ecological environments

Response of benthic invertebrate assemblages to seasonal and habitat condition in the Wewe River, Ashanti region (Ghana)

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