Floristic composition, structure and regeneration status of woody plant species in Northwest Ethiopia

Yemata, Getahun; Haregewoien, Genetu

doi:10.1016/j.tfp.2022.100291

Cited by 14 publications

(13 citation statements)

References 11 publications

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“…e DBH and height class distribution of the Harego forest have shown the dominance of small-sized individuals in the forest. Similar findings have been reported in other dry Afromontane forests such as Menfeskidus Monastry forest [66], Sirso forest [76], Wurg forest [77], Ambo State forest [83], Dello Mena forest [84], Brandi forest [85], Woynwuha forest [86], Gelawoldie forest [89], Gennemar dry Afromontane Forest [94], Kumuli forest [96], Wanzaye forest [100], Amoro forest [102], and Sesa Mariam Monastry forest [109]. is revealed a healthy regeneration but low in recruitment [34,103,127].…”

Section: Dbh and Height Class Distributionsupporting

confidence: 86%

“…Generally, in the present study, the high value in the basal area for tree species, while the high values in frequency and density for shrub species were the major contributors of the IVI value. Similar results were also reported in other dry Afromontane forests, for example, at Ambo state forest [83], Yegof forest [95], Church forests of Dangila [110], and Bradi forest [85]. IVI is also used as a criterion to prioritize species for conservation actions.…”

Section: Basal Area and Ivisupporting

confidence: 79%

“…However, the basal area provides a better measure of the relative importance of the species than a simple stem count [74]. e total basal area of the Harego forest (9.66 m 2 ha −1 ) was much less than reported for other dry Afromontane forests such as Shello forest (132 m 2 ha −1 ) [101], Dangila Church forests (98.4 m 2 ha −1 ) [110], Ambo state forest (95.83 m 2 ha −1 ) [83], Gelawoldie forest (93.8 m 2 ha −1 ) [89], Bradi forest (91.03 m 2 ha −1 ) [85], Menagesha Amba forest (84.17 m 2 ha −1 ) [125], Wof-Washa forest (55.99 m 2 ha −1 ) [87], Menfeskidus Monastery forest (56.30 m 2 ha −1 ) [66], Weiramba forest (32.10 m 2 ha −1 ) [120], Kumuli forest (30.16 m 2 ha −1 ) [96], Zengena forest (22.3 m 2 ha −1 ) [88], Amoro forest (18.5 m 2 ha −1 ) [102], and Yegof forest (15.85 m 2 ha −1 ) [95]. e normal basal area value for virgin tropical forests in Africa is 23-37 m 2 ha −1 [74].…”

Section: Basal Area and Ivimentioning

confidence: 80%

“…Of these, Lippia adoensis and Rhus glutinosa are found on the IUCN Red List. Endemic species in the study area were few in numbers compared to Chilimo forest, with 18 species [117]; Borena saint national park, 11 species [26]; and Yegof forest, 9 species [41]; but comparable to Tara Gedam and Abebaye forests, 6 species [108] and Boda forest [118] and Bradi forest [85], which consisted 5 endemic species each.…”

Section: Discussionmentioning

confidence: 99%

“…e comparative analysis of Harego forest with other dry Afromontane forests demonstrated higher diversity and evenness than the Yegof forest (H′ � 2.26 and E � 0.57) [95], Weiramba forest (H′ � 2.3 and E � 0.66) [120], Ambo state forest (H′ � 2.73 and E � 0.67) [83], and Zengena forest (H′ � 2.74 and E � 0.7) [88], but lower than Bradi forest (H′ � 3.84 and E � 0.89) [85], Amoro forest (H′ � 3.29 and E � 0.92) [102], Gelawoldie forest (H′ � 3.8 and E � 0.9) [89], Dangila Church forests (H′ � 3.5 and E � 0.82) [110], Wanzaye forest (H′ � 3.15 and E � 0.81) [100], and Woynwuha forest (H′ � 3.24 and E � 0.76) [86]. Local climatic variations and a high rate of forest disturbance due to human encroachment and livestock grazing, which are common in the study area, are among the factors most responsible for variations in species diversity and evenness in a given forest.…”

Section: Discussionmentioning

confidence: 99%

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Diversity, Structural, and Regeneration Analysis of Woody Species in the Afromontane Dry Forest of Harego, Northeastern Ethiopia

Worku

Birhane

Dawud

2022

International Journal of Forestry Research

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The study was conducted in the Harego dry Afromontane forest, Northeastern Ethiopia, to analyze woody species composition, diversity, structure, and regeneration status. To collect the vegetation data, a total of 67 sample plots measuring 400 m 2 20 m × 20 m were laid systematically. Species identity, abundance, height, and diameter at breast height (DBH) were recorded for each sample plot. Diversity, structural, and regeneration status were analyzed for the forest. A total of 50 woody species representing 35 families and 44 genera were identified and recorded. According to the IUCN Red List Category, Rhus glutinosa A. Rich and Prunus africana (Hook.f.) Kalkm. are vulnerable species. Fabaceae was the dominant family, and of the total species, 27 were shrubs, 19 were trees, and 4 were climbers. The species accumulation curve indicates that the majority of plant species in the study area were captured by our sampling efforts. The values of true Shannon (N1 = 17) and true Simpson (N2 = 11) indicate that species in the Harego forest are more or less evenly distributed. The abundance-frequency ratio of all woody species (WI = >0.05) indicates the heterogeneity of species composition. The total density and basal area were 4400 stems ha−1 and 9.66 m2 ha−1, respectively. The majority of the species fallen into the lower IVI classes. The diameter and height class distribution revealed an inverted J-shape. The increase in population demand and disturbance shows a high variation in stand structure and hampered natural regeneration, which needs immediate conservation actions.

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Section: Dbh and Height Class Distributionsupporting

confidence: 86%

Section: Basal Area and Ivisupporting

confidence: 79%

Section: Basal Area and Ivimentioning

confidence: 80%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

See 3 more Smart Citations

Diversity, Structural, and Regeneration Analysis of Woody Species in the Afromontane Dry Forest of Harego, Northeastern Ethiopia

Worku

Birhane

Dawud

2022

International Journal of Forestry Research

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Machine learning for modeling forest canopy height and cover from multi-sensor data in Northwestern Ethiopia

Chere,

Zewdie,

Biru

2023

Environ Monit Assess

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Floristic composition and community analysis of woody species in Hereje Natural Forest, southwest Ethiopia

2022

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The floristic composition, diversity, and conservation status of woody plant species in Ethiopia are determined in this study. Data on vegetation are collected using a systematic random sampling method from 45 20 m × 20 m (400m2) plots laid every 100 m along four parallel transect lines running from south to north. The Flora of Ethiopia and Eritrea identification key (Volume I–VIII) is used to identify the scientific names of all woody plant species. The Shannon–Wiener diversity index is used to calculate species diversity, whereas Sorensen's similarity coefficient is used to assess similarities and differences among plant communities. The studied forest contains 44 plant species from 29 families and 40 genera. The Fabaceae is the most dominant family, followed by the Rubiaceae and Combretaceae. In terms of habit, the collected woody species consisted of 30 (68.2%) trees and 14 (31.8%) shrubs. The two most frequent species are Syzygium guineense (51.11%) and Maytenus gracilipes (46.66%). Three plant community types are identified using Agglomerative Hierarchical Cluster Analysis. Most species (Calpurnia aurea-Combretum molle) are observed in community type two. The study is generally limited to the floristic and diversity of woody plant species. Therefore, a thorough investigation of all species' floristic composition, population structure, regeneration status, and ecological aspects is recommended.

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Floristic composition, structure and regeneration status of woody plant species in Northwest Ethiopia

Cited by 14 publications

References 11 publications

Diversity, Structural, and Regeneration Analysis of Woody Species in the Afromontane Dry Forest of Harego, Northeastern Ethiopia

Diversity, Structural, and Regeneration Analysis of Woody Species in the Afromontane Dry Forest of Harego, Northeastern Ethiopia

Machine learning for modeling forest canopy height and cover from multi-sensor data in Northwestern Ethiopia

Floristic composition and community analysis of woody species in Hereje Natural Forest, southwest Ethiopia

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