Soil seed bank distribution and restoration potential in the vegetation of Buska Mountain range, Hamar district, southwestern Ethiopia

Bekele, Melese; Demissew, Sebsebe; Bekele, Tamrat; Woldeyes, Feleke

doi:10.1016/j.heliyon.2022.e11244

Cited by 6 publications

(4 citation statements)

References 53 publications

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“…In addition, seedling emergence methods underestimate the density of the soil seed bank due to seed dormancy and the specifc environmental conditions needed for germination [65,77], which leads to a decrease in the density of the seed bank. Tis result is also consistent with the results of several studies conducted in Ethiopia [49,53,78].…”

Section: Similarity In Species Composition Among Land Use Typessupporting

confidence: 91%

“…Tis number is lower than the number of woody species identifed in the Arjo-Diga Forest aboveground vegetation survey because of the difculty of incorporating their larger seeds into the soil to form seed banks [51], and they are more susceptible to fungal infections and predators [52]. Te results of this study were consistent with soil seed bank studies in Ethiopia [45,49,[53][54][55][56]. Larger, moist seeds of woody species are adapted for rapid germination, seedling formation, and survival under a forest canopy [57,58].…”

Section: Species Composition In the Soil Seed Banksupporting

confidence: 80%

“…Herb seedlings abound in the research area. Because herbaceous vegetation produces large number of long-lived seeds, it has a better chance of recovery [49,53]. Few seedlings of woody species have been found in soil seed banks.…”

Section: Soil Seed Bank and Its Impact On Biodiversitymentioning

confidence: 99%

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Study of the Soil Seed Bank Composition in Arjo-Diga Humid Afromontane Forest under Different Land Use Types and Its Implications for the Restoration of Degraded Lands in Western Ethiopia

Berihun,

Bekele,

Lulekal

et al. 2024

International Journal of Ecology

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The soil seed bank present in forests serves as a crucial indicator of soil resilience following disturbances. The objective of this study was to investigate the composition, density, and vertical distribution of the soil seed bank in the Diga District of Western Ethiopia across four land use types: forestland, grassland, bare land, and shrubland. Soil samples were collected from plots measuring 225 square centimeters with a depth of 9 cm. A total of 108 soil samples were collected, representing the four land use types. Each plot was sampled at three different soil layers: 0–3 cm, 3–6 cm, and 6–9 cm depths. From the soil seed bank, 51 plant species were identified, with 46 (90.2%) being herbs, 3 (5.88%) trees, and 2 (3.92%) shrubs. The Asteraceae (13.30%), Poaceae (11.53%), and Fabaceae (9.61%) families exhibited the highest species composition, accounting for 38.44% of the total. Species richness varied significantly across all land use types and soil layers (p<0.05), with shrubland having the highest species richness and bare land having the lowest count. The total seed bank density in the soil across all plots was 92153 seeds/m2, with the highest density observed in the top 3 cm of the soil layer. The first and second soil layers exhibited a high Jaccard similarity coefficient of 0.76. Forestland and shrubland displayed the highest Jaccard coefficient of similarity (0.72), while the lowest was observed between bare land and shrubland (0.43). There was greater species similarity between the first and second soil layers (0.76) and lower similarity between the middle and bottom layers (0.32). The study found limited similarity between aboveground vegetation and the soil seed bank due to the low regeneration of woody species. Forestland and shrubland exhibited a high Jaccard similarity coefficient to aboveground vegetation, while grassland had the lowest similarity coefficient. Based on the findings, it can be concluded that the shrubland land use types had high soil seed bank composition and density. Therefore, the conservation of shrubs in the Arjo-Diga Forest should be considered for the restoration of degraded areas, taking into account the soil seed bank in the shrubland ecosystem.

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Section: Similarity In Species Composition Among Land Use Typessupporting

confidence: 91%

Section: Species Composition In the Soil Seed Banksupporting

confidence: 80%

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Study of the Soil Seed Bank Composition in Arjo-Diga Humid Afromontane Forest under Different Land Use Types and Its Implications for the Restoration of Degraded Lands in Western Ethiopia

Berihun,

Bekele,

Lulekal

et al. 2024

International Journal of Ecology

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“…Contrary to this, [82] documented very few J. procera in the Wof-Washa natural forest before 28 years. Regarding soil seed bank distribution recent finding shows that J. procera was the third with the highest relative frequency in soil seed bank in the case of Buska Mountain in Ethiopia [83]. Recently, it has been noted that the effect of increased temperature due to climate change on the regeneration of forest species is a common problem at the global level as in the case of central Spain [84].…”

Section: Figurementioning

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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Seed priming with plant growth-promoting bacteria (PGPB) improves growth and water stress tolerance of Secale montanum

Rahnama¹,

Ardestani²,

Ebrahimi‬³

et al. 2023

Heliyon

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Soil seed bank distribution and restoration potential in the vegetation of Buska Mountain range, Hamar district, southwestern Ethiopia

Cited by 6 publications

References 53 publications

Study of the Soil Seed Bank Composition in Arjo-Diga Humid Afromontane Forest under Different Land Use Types and Its Implications for the Restoration of Degraded Lands in Western Ethiopia

Study of the Soil Seed Bank Composition in Arjo-Diga Humid Afromontane Forest under Different Land Use Types and Its Implications for the Restoration of Degraded Lands in Western Ethiopia

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

Seed priming with plant growth-promoting bacteria (PGPB) improves growth and water stress tolerance of Secale montanum

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