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Abstract
Cordia africana (Lam.) is one of the indigenous multipurpose tree species which is being endangered and suffering a lot from overexploitation. Nowadays agroforestry is taken as potential ecosystem for counteracting extinction of this tree through providing complementary habitat in Ethiopia. Therefore, this study aimed to identify distribution and regeneration status of Cordia africana tree in agroforestry practices with respect to agroecologies and farmers wealth status. Selection of respondents was done based on the wealth status of households for tree inventory. The total households were categorized into three main wealth categories as wealthy, medium and poor. Accordingly, 72 households were selected by taking three households randomly across wealth categories from eight different villages. Then, tree inventory was done from three different agroforestry practices in each 72 households with big plot size of 20mx20m and 5mx5m nested subplots. The results of the study revealed that mean stems of trees were significantly higher (p<0.05) in enset- tree based agroforestry practice followed by coffee-tree based practice in two agroecological setting. The study also found that the number of stems per plot and per hectare was significantly higher (p=0.0001) in midland agroecology than lowland agroecology. The results also showed that the mean stems of trees were significantly higher (p<0.05) from rich wealth classes in two agroecological settings. There is also significant variation of regeneration status of Cordia africana tree with respected to agroecology and different agroforestry practices. Finally, the study suggests that regeneration status of Cordia africana tree should be assisted and facilitated for the sustainability of this valuable tree species.
Highlights
Integration of trees on farms are characteristic of a large part of the Ethiopian agricultural landscape today, while tree species management intensity and distribution varying with agro-ecological conditions principally defined by rainfall, altitude and soil type [16]
In Sidama zone southern part of Ethiopia it is intensively retained and managed indigenous multipurpose tree species which is preferred by farmers
Its distribution pattern and regeneration status depend on agroecological conditions of the area, wealth status of the farmers and nature integrated agroforestry practices
Summary
Integration of trees on farms are characteristic of a large part of the Ethiopian agricultural landscape today, while tree species management intensity and distribution varying with agro-ecological conditions principally defined by rainfall, altitude and soil type [16]. It is common for farmers to manage natural regenerating multipurpose trees within agricultural fields by protecting seedlings and young trees, mostly native species that have germinated from soil seed banks. C.africana prefers regions with relatively high rainfall and sufficiently warm climate. It can grow under drier climatic conditions, by minimizing its water consumption through shading its leaves or by closing its stomata [21]
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