Management Effects on Woody Species Diversity and Vegetation Structure of Coffee-based Agroforestry Systems in Ethiopia

2015 ◽  
Vol 14 (4) ◽  
pp. 531-551 ◽  
Author(s):  
Mohammed Worku ◽  
André Lindner ◽  
Uta Berger
Keyword(s):  
Species Diversity ◽  
Vegetation Structure ◽  
Woody Species ◽  
Agroforestry Systems ◽  
Woody Species Diversity ◽  
Management Effects

scholarly journals The Use of Homegarden Agroforestry Systems for Climate Change Mitigation in Lowlands of Southern Tigray, Northern Ethiopia

2019 ◽  
pp. 1-13
Author(s):  
Gebru Eyasu Siyum ◽  
Tuemay Tassew
Keyword(s):  
Climate Change ◽  
Species Diversity ◽  
Climate Change Mitigation ◽  
Woody Species ◽  
Agroforestry Systems ◽  
Carbon Stocks ◽  
Land Uses ◽  
Woody Species Diversity ◽  
Soil Carbon Stocks ◽  
Change Mitigation

Mitigation of climate change is one of the major environmental challenges facing the globe. In this context, homegarden agroforestry systems (HGAFs) have large potential for climate change mitigation. Therefore, this study was initiated to estimate the biomass and soil carbon stocks of HGAFs in relation to adjacent Natural Forest (NF). It also analyzed the relationship between woody species diversity, evenness and richness with biomass and soil carbon stocks. Three sites were purposely selected on the basis of the presence of HGAFs and NF adjacent to each other. Random sampling was used to select representative homegardens from the study population. In NF, a systematic sampling technique was employed. A total of 60 plots with a size of 10 m x 20 m were used to collect vegetation and soil data in both land uses. Soil samples were collected from each plot of the samples laid for vegetation sampling. Accordingly, 120 composite and 120 undisturbed soil samples from 0-30 cm and 30-60 cm soil depths were collected for soil organic carbon (SOC) and bulk density analysis respectively. Biomass estimation for each woody species was analyzed by using appropriate allometric equations. The result showed that the total amount of carbon stocks was 148.32±35.76 tons ha-1 and 157.27±51.61 tons ha-1 in HGAFs and adjacent NF respectively which did not vary significantly between the two studied land uses (P > 0.05). The finding also shows a positive but non-significant (P>0.05) relationship between carbon stocks and woody species diversity, richness, and evenness. Specifically, in NF lands, woody species diversity with SOC (r=0.36) and in HGAFs species richness with biomass carbon (r=0.39) was correlated positively and significantly (P=0.05). We concluded that HGAFs have the same potential as the NF for carbon stock accumulation and to counteract the loss of biomass.

scholarly journals Assessment of Farm Characteristics and Woody Species Diversity in Hadiya Zone, Southern Ethiopia

2021 ◽  
Vol 16 (1) ◽  
Author(s):  
Yohanneshoramo More ◽  
Kibemo Detamo Aga
Keyword(s):  
Species Diversity ◽  
Tree Species ◽  
Woody Species ◽  
Agroforestry Systems ◽  
Farm Size ◽  
Southern Ethiopia ◽  
Tree Species Diversity ◽  
Wealth Status ◽  
Woody Species Diversity ◽  
Hadiya Zone

Diversification of trees and other agricultural crops allowed the traditional agroforestry systems of southern Ethiopia to be considered as sustainable farming systems. But their sustainability has been threatened overtime. The study was conducted in Hadiya zone, southern Ethiopia with the aim to characterize tree species diversity on farms and to investigate link of tree species diversity to farm characteristics. A complete on-farm tree inventory was carried out on farms of 108 randomly selected households. A total of 108 trees and shrub species were recorded, of which 24% were exotics. The mean number of tree species per farm was 29, ranging between 11– 65. The highest number of tree species was recorded relatively closest to the market center. Thirteen different farm field types were identified, of which “enset” was with largest number of tree species. The highest and lowest mean number of tree species was identified and recorded. Dissimilarity in composition of tree species among the districts ranged between 0.30 – 0.45. A significant correlation (P<0.05) was found between farm size, wealth status and distance of farms from the market. Woody species diversity is well acknowledged in the study area but further studies of woody species in relation to usage diversity seem important.

Woody species diversity and coffee production in remnant semi-natural dry Afromontane Forest in Zegie Peninsula, Ethiopia

2018 ◽  
Vol 93 (5) ◽  
pp. 1793-1806 ◽  
Author(s):  
Beyene Belay ◽  
Solomon Zewdie ◽  
Wolde Mekuria ◽  
Abrham Abiyu ◽  
Dagninet Amare ◽  
...  
Keyword(s):  
Species Diversity ◽  
Woody Species ◽  
Coffee Production ◽  
Afromontane Forest ◽  
Woody Species Diversity ◽  
Dry Afromontane Forest

scholarly journals Woody Species Diversity and Management in Homegarden Agroforestry: The Case of Shashemene District, Ethiopia

2019 ◽  
Vol 2019 ◽  
pp. 1-6
Author(s):  
Tefera Jegora ◽  
Zebene Asfaw ◽  
Agena Anjulo
Keyword(s):  
Species Diversity ◽  
Management Practices ◽  
Woody Species ◽  
Diversity Management ◽  
Persea Americana ◽  
Importance Value Index ◽  
Cupressus Lusitanica ◽  
Croton Macrostachyus ◽  
Woody Species Diversity ◽  
Cordia Africana

The study was conducted in Shashemene district, Ethiopia. Management-related data were collected using informal and formal surveys. Woody species diversity and related parameters were collected from 60 households. Woody species with ≥5 cm diameter at breast height (DBH) were measured and recorded and below 5 cm were counted and recorded in 10 m ∗ 10 m and 1 m ∗ 1 m plot, respectively. A total of 36 woody species were recorded, of which 58% were indigenous to the area. The overall mean number of woody species per plot was 3.13. Four woody species, namely, Cordia africana, Croton macrostachyus, Persea americana, and Catha edulis, showed highest importance value index. Farmers’ preference ranks for selected woody species were recorded in order of Cordia africana, Eucalyptus camaldulensis, Croton macrostachyus, and Cupressus lusitanica, respectively. The similarity in woody species composition between the study villages ranged from 0.46 to 0.60. To sustain the management of woody species, farmers implemented pruning, thinning, composting, weeding, digging, and watering activities in the area. Garden availability and market and road accessibility are the major determinants of woody species in homegarden agroforestry. The study revealed woody species diversity, management practices implemented, and factors affecting woody species diversity management in homegarden agroforestry. Therefore, government should be worked on infrastructure, resource reallocation, and awareness creation in communities for the better improvement of species diversity and its sustainable management in homegarden agroforestry.

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