Challenges and Strategy for Successful Restoration of Dry Evergreen Afromontane Forests of Ethiopia

Asmelash, Fisseha; Rannestad, Meley Mekonen

doi:10.2139/ssrn.4194276

Cited by 4 publications

(5 citation statements)

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“…[94] shows the poor regeneration status of J. procera under protected conditions after 3 years of enclosure and under open management systems in a dry Afromontane forest in northern Ethiopia, indicating that protecting the forest from livestock and human disturbance only is unlikely to lead to regeneration of this species. This might be due to moisture limitation as [95] states that poor soil moisture and nutrient conditions in dry highlands in Ethiopia result in low rates of seedling field survival and growth of native trees. Ref.…”

Section: Effect Of Climate Change On Sustainability Of Conifer Plant ...mentioning

confidence: 99%

Effect of Climate Change on Conifer Plant Species, Juniperus procera, and Podocarpus falcatus, in the Case of Ethiopia: Critical Review Using Time Series Data

Tamrat Gebirehiwot,

Abera Kedanu,

Tafese Adugna

2024

Conifers - From Seed to Sustainable Stands

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The Juniperus procera and Podocarpus falcatus tree species are the only indigenous conifer plants that Ethiopia has and dominantly found in dry Afromontane forests of the country. However, dry Afromontane forests are threatened by climate change. The objective of this study is to analyze the effect of climate change on the regeneration and dominance of the J. procera and P. falcatus tree species in Ethiopia. The regeneration status classes and importance value index score classes analysis was done along the time series. This study revealed that J. procera had a fair regeneration status, while P. falcatus exhibited an alternate regeneration status between fair and good. Not regenerating regeneration status was recorded in 2006–2010 and 2016–2020 time series for J. procera, while in 2011–2015 and 2021–2023 for P. falcatus. Regarding the importance value index score of the species, J. procera had the top three throughout the all-time series except in 2011–2015 which had the lowest importance value index score, whereas P. falcatus had the top three importance value index score status from 2016 to 2023 time series. Safeguarding these conifer species from the negative effects of climate change relies on the attention of all responsible bodies.

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Section: Effect Of Climate Change On Sustainability Of Conifer Plant ...mentioning

confidence: 99%

Effect of Climate Change on Conifer Plant Species, Juniperus procera, and Podocarpus falcatus, in the Case of Ethiopia: Critical Review Using Time Series Data

Tamrat Gebirehiwot,

Abera Kedanu,

Tafese Adugna

2024

Conifers - From Seed to Sustainable Stands

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“…Regeneration of forest is important in connection with the conservation efforts of the central Ethiopian plateau (Asmelash and Rannestad 2022). The regeneration of trees in dry Afromontane forest, particularly of Juniperus procera, has been studied in East Africa.…”

Section: Regeneration Of Juniperus Forests In East Africa and Ethiopiamentioning

confidence: 99%

“…In the central Ethiopian highlands, only fragmented forests remain (Bekele 1993;Darbyshire et al 2003). The conservation challenges are significant (Egziabher 1989;Shibru and Balcha 2004;Lemenih and Teketay 2004;Asmelash and Rannestad 2022). Efforts to study and restore the forests have been gaining momentum since the late 1980s (Demissew 1988;Bekele 1993;Hylander and Hylander 1995;Reusing 1998;Institute of Biodiversity Conservation 2005;Shibru and Woldu 2006;Woldemariam et al 2016;Aerts et al 2016;Kindu et al 2022;Masresha and Melkamu 2022), and research on forest structure and composition is being encouraged to guide the restauration of forests (Tesfaye et al 2002).…”

Section: Introductionmentioning

confidence: 99%

“…Efforts to study and restore the forests have been gaining momentum since the late 1980s (Demissew 1988;Bekele 1993;Hylander and Hylander 1995;Reusing 1998;Institute of Biodiversity Conservation 2005;Shibru and Woldu 2006;Woldemariam et al 2016;Aerts et al 2016;Kindu et al 2022;Masresha and Melkamu 2022), and research on forest structure and composition is being encouraged to guide the restauration of forests (Tesfaye et al 2002). Asmelash and Rannestad (2022) provide a list of forests and associated vegetation studies in the central Ethiopian highlands. The present study of the forested area in the Gullele Botanic Garden (GBG) intends to contribute to such studies and the conservation efforts.…”

Section: Introductionmentioning

confidence: 99%

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Species diversity and vegetation structure of woody plants in regenerating Juniperus forest replacing Eucalyptus in the conservation area of Gullele Botanic Garden, Addis Ababa, Ethiopia

Atinafe,

Weber,

Friis

et al. 2023

webbia

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The Gullele Botanic Garden (GBG) adjoins the north-western limit of the city of Addis Ababa, capital of Ethiopia. The floristic composition, species diversity and vegetative structure of the woody plant species in the conservation area of the garden are presented from 81 plots (20 m x 20 m). A total of 104 woody plant species (90% indigenous, the rest planted or naturalised) of 83 genera and 47 families were recorded. The dominant families were Fabaceae and Asteraceae. The number of individuals of the most dominant species, Juniperus procera, decreases with increasing DBH and height class, which indicates a good and healthy reproduction potential of the species in the conservation area. No statistically meaningful plant communities could be identified in the conservation area. Many of the species present in the dry forests of the central Ethiopian plateau occur in GBG. The species richness appears to be relatively high in comparison with what other researchers have found in natural forests on the highland plateau; 87 native woody species (of which 11 are planted) in GBG, 57-97 (cumulatively 127) in Wof-Washa, 32-85 (cumulatively 113) in Menagesha and 41-77 (cumulatively 81) in Chilimo, 34-67 (cumulatively 69) in Entoto, though the definitions for woody species have varied between studies. Clustering on the floristic data gives four partly overlapping clusters with the lowest p-values for indicator species, but the distribution of the plots on clusters changes notably if information on Eucalyptus is in- or excluded. Ordination graphs with partly overlapping groups of species are presented. The findings in this paper can serve as a baseline to follow the regeneration of the conservation area towards natural forest. This is needed for future management and sustainable utilization of the forest species at local and national levels.

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“…However, there is scant information on the determining factors of the early survival of tree seedlings in the plantation sites and the applicable remedy in the case of Ethiopia. For instance, Asmelash & Rannestad (2021), shows the major challenges and strategies for successful restoration of dry evergreen afro-montane forests in Ethiopia. Therefore, this article explored the determinants of tree and shrub seedling survival in tree/shrub planting-…”

mentioning

confidence: 99%

Review on Factors Affecting Early Survival of Tree /Shrub Seedlings and it’s Remedy in Restoration Sites of Ethiopia

Gebirehiwot¹

2023

Journal of Landscape Ecology

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Restoration activities in degraded and/or deforested forest landscapes are common and old occurrences around the world. Tree planting is common in most forest landscape restoration initiatives. In Ethiopia, eight seedling-based landscape restoration options are identified to alleviate land degradation and its consequences. The primary purpose of this work was to review factors affecting the early survival of tree and shrub seedlings and their remedies in the restoration sites of Ethiopia. Drought and moisture stress, low soil fertility, poor seedling quality, weak species site matching, termites, livestock grazing, and seasonal frost are the basic factors that hinder the survival and growth of seedlings in the field. In situ rainwater harvesting structures, fertilizer application, the use of quality seedlings, the right species site matching, and the exclusion of livestock and grazing animals from planted seedlings are the remedies that must be employed to increase the success of tree-based restoration practices. Thus, further investigation of the factors affecting the survival of seedlings in the out-planting sites and remediation accordingly is necessary to ensure the productivity and sustainability of restoration practices in Ethiopia.

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Challenges and Strategy for Successful Restoration of Dry Evergreen Afromontane Forests of Ethiopia

Cited by 4 publications

References 96 publications

Effect of Climate Change on Conifer Plant Species, Juniperus procera, and Podocarpus falcatus, in the Case of Ethiopia: Critical Review Using Time Series Data

Effect of Climate Change on Conifer Plant Species, Juniperus procera, and Podocarpus falcatus, in the Case of Ethiopia: Critical Review Using Time Series Data

Species diversity and vegetation structure of woody plants in regenerating Juniperus forest replacing Eucalyptus in the conservation area of Gullele Botanic Garden, Addis Ababa, Ethiopia

Review on Factors Affecting Early Survival of Tree /Shrub Seedlings and it’s Remedy in Restoration Sites of Ethiopia

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