Comparison of Woody Species Diversity and Carbon Stock along Natural Forest to Farmland Conversion Gradient in the Gura-Ferda District of Southwestern Ethiopia

Betemariyam, Mulugeta; Kefalew, Tamiru; Tolera, Motuma

doi:10.1080/10549811.2022.2052104

Cited by 4 publications

(2 citation statements)

References 36 publications

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“…As we found fewer dominant species across all LULC classes compared to other LCF systems [96], we presume that the LCF will soon encounter reduced ecological functioning [96]. With expanding agriculture, more diversity will be lost as forests are being converted into agriculture or settlements, similar to studies in Ethiopia [97]. Our results also agree with other studies in LCFs [6,98] who found the decline of plant species diversity as a result of forest degradation for charcoal making, and forest conversion to farm land [99].…”

Section: Woody Plant Species and Composition Across Lulc Classessupporting

confidence: 68%

Land Use Land/Cover Change Reduces Woody Plant Diversity and Carbon Stocks in a Lowland Coastal Forest Ecosystem, Tanzania

Ntukey

Treydte

2022

Sustainability

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The East-African lowland coastal forest (LCF) is one of Africa’s centres of species endemism, representing an important biodiversity hotspot. However, deforestation and forest degradation due to the high demand for fuelwood has reduced forest cover and diversity, with unknown consequences for associated terrestrial carbon stocks in this LCF system. Our study assessed spatio-temporal land use and land cover changes (LULC) in 1998, 2008, 2018 in the LCF ecosystem, Tanzania. In addition, we conducted a forest inventory survey and calculated associated carbon storage for this LCF ecosystem. Using methods of land use change evaluation plug-in in QGIS based on historical land use data, we modelled carbon stock trends post-2018 in associated LULC for the future 30 years. We found that agriculture and grassland combined increased substantially by 21.5% between the year 1998 and 2018 while forest cover declined by 29%. Furthermore, forest above-ground live biomass carbon (AGC) was 2.4 times higher in forest than in the bushland, 5.8 times in the agriculture with scattered settlement and 14.8 times higher than in the grassland. The estimated average soil organic carbon (SOC) was 76.03 ± 6.26 t/ha across the entire study area. Our study helps to identify land use impacts on ecosystem services, supporting decision-makers in future land-use planning.

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Section: Woody Plant Species and Composition Across Lulc Classessupporting

confidence: 68%

Land Use Land/Cover Change Reduces Woody Plant Diversity and Carbon Stocks in a Lowland Coastal Forest Ecosystem, Tanzania

Ntukey

Treydte

2022

Sustainability

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“…In total, 36 transects were established for the whole study sites. In each transect, three to four nested plots of 20 × 20 m, 10 × 20 m, 10 × 10 m and 1 × 1 m were established (e.g., Betemariyam et al, 2022). The nested plots were used for vegetation survey and collection of litter and soil samples.…”

Section: Methodsmentioning

confidence: 99%

Effects of exclosures on woody species composition and carbon stocks: Lessons drawn from the Central Rift Valley, Ethiopia

et al. 2023

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Effects of exclosures on restoring degraded lands may vary with soil type, exclosure age, and conditions before the establishment of exclosures. Yet, studies investigating the effectiveness of exclosures in restoring degraded lands under different environmental conditions are lacking. This study aims at investigating the changes in woody species richness and diversity, and ecosystem carbon stocks after implementing exclosures in the Central Rift Valley, Ethiopia. Vegetation and soil data were gathered from 120 nested plots established in exclosures of eight and 30‐years‐old and adjacent grazing lands. Results showed that exclosures contained a higher number of economically important woody species compared to their respective adjacent grazing lands. However, the exclosures and respective adjacent grazing lands did not differ significantly in the diversity of tree and shrub species, and both the exclosures and adjacent grazing lands were dominated by few tree and shrub species. The older exclosure (30 years old) displayed significantly (p < 0.01) higher soil organic carbon and soil total nitrogen content and stocks than the adjacent grazing land, whereas the youngest exclosure (8 years old) did not show a significant difference in these variables. The results suggest that a longer time (e.g., ≥10 years) is needed to detect significant differences in soil organic carbon and total soil nitrogen. However, exclosures could bring considerable changes in woody species density in a relatively shorter period (e.g., ≤10 years) and support to restore degraded native woody species.

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Participatory forest management for sustainable rural livelihoods and forest ecosystem services: The case of Deneba Forest Managing Cooperative in Ethiopia

Muluneh,

Sime

2024

Journal for Nature Conservation

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Comparison of Woody Species Diversity and Carbon Stock along Natural Forest to Farmland Conversion Gradient in the Gura-Ferda District of Southwestern Ethiopia

Cited by 4 publications

References 36 publications

Land Use Land/Cover Change Reduces Woody Plant Diversity and Carbon Stocks in a Lowland Coastal Forest Ecosystem, Tanzania

Land Use Land/Cover Change Reduces Woody Plant Diversity and Carbon Stocks in a Lowland Coastal Forest Ecosystem, Tanzania

Effects of exclosures on woody species composition and carbon stocks: Lessons drawn from the Central Rift Valley, Ethiopia

Participatory forest management for sustainable rural livelihoods and forest ecosystem services: The case of Deneba Forest Managing Cooperative in Ethiopia

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