Abstract
Woody plants support livelihoods and the well-being of billions of people worldwide. However, the establishment, management, and use of essential woody species can vary across regions. We sought to describe the diversity and uses of woody species and explore the values for which people maintain and protect these plants. We conducted research in the Awach Sub-county of Uganda, using household interviews with randomly selected informants and applied exploratory quantitative ethnobotany analysis to analyze the survey results. The results revealed 64 multipurpose tree species valued for their material contributions to the households. We outline the key challenges, such as pests, diseases, and lack of infrastructure that hamper the establishment and growth of woody species in the region. Our findings offer insights into potential policy mechanisms targeting the establishment of trees in the region and other parts of Uganda and sub-Saharan Africa.
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Acknowledgements
This study was supported by the Enhancement of Research Capacity (ENRECA) project of Gulu University. We thank the respondents who participated in this study for their time. We also thank Mr. Samuel Abwola, Senior Forest Officer Gulu District Local Government, for his kind assistance and guidance during this study. Thanks also to the local leaders of Awach sub-county Gulu for allowing us to conduct this study in their communities.
Funding
This study was funded by the Enhancement of Research Capacity (ENRECA) project of Gulu University.
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Appendices
Appendix 1
Species reported by informants as useful to the community during the study. The table shows the Fidelity Level (FL) values which indicate the most critical use for the species. The higher the FL for a use category, the more important that use category is for that species.
Species | Family | Endemicity | Firewood | Food | Timber | Poles | Income | Charcoal | Craft | Med icine | Cultural rituals | Shade | Soap | Wind- breaks | Manure | Ornamental | Fencing material | Protecting environment |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Acacia hockii De Wild. | Fabaceae | Indigenous | 36 | 13 | 9 | 13 | 16 | 7 | 4 | 2 | ||||||||
Acacia polyacantha Willd. | Fabaceae | Indigenous | 33 | 12 | 18 | 8 | 5 | 9 | 8 | 2 | 5 | 2 | ||||||
Acacia sieberiana DC. | Fabaceae | Indigenous | 21 | 17 | 17 | 2 | 11 | 13 | 2 | 2 | 8 | 2 | 4 | 2 | ||||
Albizia coriaria Oliv. | Fabaceae | Indigenous | 10 | 18 | 34 | 10 | 6 | 9 | 3 | 4 | 2 | 3 | ||||||
Albizia grandibracteata Taub. | Fabaceae | Indigenous | 28 | 14 | 16 | 12 | 5 | 12 | 3 | 3 | 2 | 4 | 0.3 | 1 | 1 | 0.3 | 1 | |
Allophylus abyssinicus (Hochst.) Radlk. | Sapindaceae | Indigenous | 24 | 5 | 26 | 24 | 11 | 8 | 3 | |||||||||
Annona senegalensis Pers. | Annonaceae | Indigenous | 18 | 29 | 23 | 2 | 3 | 6 | 3 | 6 | 6 | 1 | 2 | 1 | ||||
Artocarpus heterophyllus Lam. | Moraceae | Naturalised | 21 | 28 | 14 | 4 | 20 | 4 | 1 | 2 | 1 | 2 | 1 | 1 | 1 | 0.3 | 1 | |
Borassus aethiopum Mart. | Arecaceae | Indigenous | 26 | 22 | 12 | 11 | 11 | 6 | 3 | 1 | 3 | 2 | 0 | 0.3 | 1 | |||
Bridelia micrantha (Hochst.) Baill. | Phyllanthaceae | Indigenous | 33 | 14 | 31 | 7 | 2 | 7 | 2 | 2 | 1 | 1 | ||||||
Carissa spinarum L. | Apocynaceae | Indigenous | 24 | 30 | 16 | 9 | 4 | 1 | 1 | 12 | 1 | |||||||
Carica papaya L. | Caricaceae | Naturalised | 6 | 33 | 20 | 14 | 6 | 2 | 10 | 2 | 4 | 4 | ||||||
Senna siamea (Lam.) H.S.Irwin & Barneby | Fabaceae | Indigenous | 23 | 13 | 29 | 9 | 13 | 6 | 1 | 1 | 2 | 1 | 1 | |||||
Citrus limon (L.) Osbeck | Rutaceae | Naturalised | 14 | 29 | 19 | 3 | 15 | 5 | 2 | 3 | 2 | 2 | 1 | 2 | 1 | 1 | 1 | 1 |
Citrus sinensis (L.) Osbeck | Rutaceae | Naturalised | 20 | 26 | 17 | 3 | 20 | 4 | 1 | 2 | 0.4 | 4 | 0.4 | 1 | 1 | 1 | 0.4 | |
Cocos nucifera L. | Arecaceae | Exotic | 9 | 55 | 18 | 9 | 9 | |||||||||||
Combretum collinum Fresen. | Combretaceae | Indigenous | 30 | 11 | 22 | 7 | 7 | 10 | 4 | 2 | 1 | 2 | 1 | 0.4 | 0.2 | 0.4 | 1 | |
Combretum molle R.Br. ex G.Don | Combretaceae | Indigenous | 30 | 13 | 10 | 20 | 18 | 10 | ||||||||||
Croton macrostachyus Hochst. ex Delile | Euphorbiaceae | Indigenous | 16 | 26 | 26 | 3 | 2 | 5 | 5 | 15 | 1 | |||||||
Dombeya kirkii Mast. | Malvaceae | Indigenous | 31 | 31 | 19 | 6 | 6 | 6 | ||||||||||
Eucalyptus sp. | Myrtaceae | Exotic | 17 | 20 | 24 | 8 | 21 | 3 | 1 | 2 | 2 | 2 | 1 | 1 | 0.3 | 0.3 | ||
Ficus natalensis Hochst. | Moraceae | Indigenous | 24 | 12 | 18 | 24 | 12 | 6 | 6 | |||||||||
Ficus laurifolia Lam. | Moraceae | Indigenous | 39 | 18 | 23 | 5 | 2 | 11 | 2 | 2 | ||||||||
Ficus sur Forssk. | Moraceae | Indigenous | 20 | 24 | 24 | 4 | 12 | 8 | 4 | 4 | 2 | |||||||
Ficus sycomorus L. | Moraceae | Indigenous | 24 | 14 | 23 | 3 | 5 | 13 | 6 | 2 | 2 | 3 | 2 | 1 | 2 | |||
Gardenia imperialis K.Schum. | Rubiaceae | Indigenous | 18 | 24 | 6 | 18 | 6 | 12 | 12 | 6 | ||||||||
Gardenia ternifolia Schumach. & Thonn. | Rubiaceae | Indigenous | 26 | 11 | 37 | 21 | 5 | |||||||||||
Grewia mollis Juss. | Malvaceae | Indigenous | 29 | 18 | 17 | 5 | 9 | 8 | 7 | 1 | 1 | 4 | 2 | 1 | ||||
Khaya anthotheca (Welw.) C.DC. | Meliaceae | Indigenous | 50 | 17 | 33 | |||||||||||||
Lannea barteri (Oliv.) Engl. | Anacardiaceae | Indigenous | 24 | 18 | 24 | 10 | 10 | 12 | 2 | |||||||||
Lonchocarpus laxiflorus Guill. & Perr. | Fabaceae | Indigenous | 31 | 17 | 11 | 8 | 1 | 11 | 2 | 2 | 15 | 2 | 1 | |||||
Lophira alata Banks ex C.F.Gaertn. | Ochnaceae | Indigenous | 21 | 37 | 11 | 11 | 5 | 11 | 5 | |||||||||
Mangifera indica L. | Anacardiaceae | Naturalised | 22 | 26 | 16 | 5 | 13 | 5 | 2 | 3 | 2 | 4 | 1 | 1 | 0 | 0 | 0.4 | 0 |
Margaritaria discoidea (Baill.) G.L.Webster | Phyllanthaceae | Indigenous | 23 | 16 | 14 | 11 | 13 | 8 | 3 | 1 | 7 | 1 | 1 | 2 | ||||
Markhamia lutea (Benth.) K.Schum. | Bignoniaceae | Indigenous | 24 | 9 | 32 | 12 | 12 | 9 | 1 | 1 | ||||||||
Maytenus acuminata (L.f.) Loes. | Celastraceae | Indigenous | 13 | 37 | 22 | 5 | 1 | 4 | 5 | 9 | 4 | |||||||
Milicia excelsa (Welw.) C.C.Berg | Moraceae | Indigenous | 23 | 16 | 24 | 6 | 13 | 7 | 2 | 3 | 1 | 3 | 1 | 1 | ||||
Moringa oleifera Lam. | Moringaceae | Naturalised | 25 | 42 | 8 | 25 | ||||||||||||
Musanga cecropioides R.Br. ex Tedlie | Urticaceae | Indigenous | 25 | 25 | 42 | 8 | ||||||||||||
Oxytenanthera abyssinica (A.Rich.) Munro | Poaceae | Indigenous | 18 | 15 | 18 | 10 | 10 | 5 | 5 | 5 | 10 | 3 | ||||||
Persea americana Mill. | Lauraceae | Naturalised | 20 | 26 | 14 | 5 | 22 | 3 | 2 | 3 | 3 | 0.3 | 1 | 1 | 0 | 0.3 | 0.3 | |
Phoenix reclinata Jacq. | Arecaceae | Indigenous | 29 | 12 | 24 | 12 | 6 | 18 | ||||||||||
Phyllanthus muellerianus (Kuntze) Exell | Phyllanthaceae | Indigenous | 41 | 21 | 6 | 15 | 12 | 6 | ||||||||||
Bauhinia thonningii Schum. | Fabaceae | Indigenous | 31 | 15 | 17 | 6 | 10 | 8 | 3 | 0 | 1 | 7 | 1 | 1 | 0 | |||
Pinus sp. | Pinaceae | Indigenous | 22 | 19 | 20 | 7 | 19 | 5 | 1 | 1 | 3 | 2 | 0.2 | 0 | 0 | 0.4 | ||
Pseudocedrela kotschyi (Schweinf.) Harms | Meliaceae | Indigenous | 28 | 15 | 15 | 12 | 2 | 13 | 2 | 1 | 10 | 2 | 0.4 | 0.4 | 1 | |||
Psidium guajava L. | Myrtaceae | Naturalised | 35 | 28 | 15 | 6 | 1 | 1 | 3 | 8 | 1 | |||||||
Shirakiopsis elliptica (Hochst.) Esser | Euphorbiaceae | Indigenous | 20 | 26 | 17 | 20 | 6 | 3 | 3 | 6 | ||||||||
Sarcocephalus latifolius (Sm.) E.A.Bruce | Rubiaceae | Indigenous | 21 | 11 | 42 | 11 | 11 | 5 | ||||||||||
Sclerocarya birrea (A.Rich.) Hochst. | Anacardiaceae | Indigenous | 27 | 17 | 21 | 15 | 4 | 6 | 8 | 2 | ||||||||
Securidaca longipedunculata Fresen. | Polygalaceae | Indigenous | 7 | 35 | 22 | 4 | 7 | 4 | 6 | 7 | 3 | 6 | 1 | |||||
Senna spectabilis (DC.) H.S.Irwin & Barneby | Fabaceae | Naturalised | 22 | 22 | 14 | 12 | 21 | 2 | 1 | 3 | 1 | 1 | ||||||
Steganotaenia araliacea Hochst. | Apiaceae | Indigenous | 6 | 25 | 35 | 10 | 4 | 8 | 6 | 4 | 4 | |||||||
Strychnos spinosa Lam. | Loganiaceae | Indigenous | 16 | 39 | 13 | 8 | 3 | 5 | 8 | 3 | 5 | |||||||
Euphorbia umbellata (Pax) Bruyns | Euphorbiaceae | Indigenous | 31 | 31 | 19 | 6 | 6 | 6 | ||||||||||
Tamarindus indica L. | Fabaceae | Indigenous | 27 | 33 | 14 | 4 | 6 | 4 | 3 | 5 | 2 | |||||||
Terminalia glaucescens Planch. ex Benth. | Combretaceae | Indigenous | 26 | 15 | 18 | 9 | 8 | 11 | 3 | 2 | 2 | 3 | 0.3 | 1 | 1 | 0.2 | 0.5 | 0.3 |
Vernonia amygdalina Delile | Compositae | Indigenous | 26 | 11 | 37 | 21 | 5 | |||||||||||
Vitex doniana Sweet | Lamiaceae | Indigenous | 29 | 24 | 17 | 8 | 5 | 6 | 3 | 2 | 2 | 2 | 1 | 0.5 | 1 | |||
Vitex madiensis Oliv. | Lamiaceae | Indigenous | 21 | 14 | 26 | 12 | 2 | 12 | 12 | |||||||||
Vitellaria paradoxa C.F.Gaertn. | Sapotaceae | Indigenous | 18 | 24 | 21 | 8 | 4 | 10 | 3 | 4 | 5 | 1 | 1 | 1 | 1 | 0.2 | 1 | |
Ximenia americana L. | Olacaceae | Indigenous | 18 | 29 | 21 | 7 | 2 | 7 | 4 | 5 | 5 | 1 | 2 | |||||
Zanha golungensis Hiern | Sapindaceae | Indigenous | 21 | 18 | 24 | 9 | 8 | 9 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 0.4 | 0.2 | |
Ziziphus abyssinica Hochst. | Rhamnaceae | Indigenous | 21 | 11 | 42 | 11 | 11 | 5 | ||||||||||
Total | 1,450 | 1,326 | 1,281 | 588 | 457 | 454 | 219 | 211 | 161 | 95 | 37 | 37 | 28 | 21 | 20 | 14 |
Appendix 2
Reasons provided by respondents as to why they are interested in tree growing. Also shown are nature’s contributions to people’s categories of values
Value | Nature’s contribution to the people category | Use reports (%) |
---|---|---|
Firewood | Material | 22.7 |
Food | Material | 20.7 |
Timber | Material | 20.0 |
Poles | Material | 9.2 |
Income | Material | 7.1 |
Charcoal | Material | 7.1 |
Craft (e.g., drums, knife handles etc.) | Material | 3.4 |
Medicine | Material | 3.3 |
Cultural rituals | Non-material | 2.5 |
Shade | Material | 1.5 |
Soap | Material | 0.6 |
Windbreaks | Regulating | 0.6 |
Manure | Regulating | 0.4 |
Ornamental | Non-material | 0.3 |
Fencing material | Material | 0.3 |
Protecting environment | Regulating | 0.2 |
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Tabuti, J.R., Adoch, E.P., Mawa, C. et al. Priority Species and Management Approaches for Woody Species: A Case Study of Awach Sub-county, Gulu District, Uganda. Hum Ecol 50, 1115–1127 (2022). https://doi.org/10.1007/s10745-022-00360-2
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DOI: https://doi.org/10.1007/s10745-022-00360-2