This work is licensed under a
Creative Commons Attribution 4.0 International License
 C.R. Tilbury, Two new chameleons (Sauria: Chamaeleonidae) from isolated Afromontane forests in Sudan and Ethiopia, Bonner Zoologische Beiträge. 47 (1998) 293-299.
 F.V. Breitenbach, The indigenous trees of Ethiopia. 2nd ed., Ethiopian Forestry Association, Addis Ababa, Ethiopia, (1963).
 D, Teketay, Seed and regeneration ecology in dry Afromontane forests of Ethiopia: I. Seed production - population structures, Tropical Ecology. 46(1) (2005) 29-44.
 I. Friies, Forests and Forest Trees of Northeast Tropical Africa. Kew Bulletin, London, UK, (1992).
 T.C. Whitmore, Canopy gaps and the two major groups of forest trees. Ecology 70 (1989) 536-538.DOI: https://doi.org/10.2307/1940195
 D.U. Hooper, et al., Effects of biodiversity on ecosystem functioning: a consensus of current knowledge, Ecological. Monograph. 75 (2005) 3–35.
 N. Legesse, Indigenous trees of Ethiopia: Biology, Uses and Propagation Techniques, AAU, Addis Ababa, Ethiopia, (1995).
 B. Taye, G. Haase, S. Teshome, Forest genetic resources of Ethiopia: Status and proposed actions, in: S. Edwards et al., (Eds.), Forest Genetic Resources Conservation: Principles, Strategies and Actions, The National forest genetic resources conservation strategy development workshop, IBCR and GTZ; Addis Ababa, Ethiopia, 1999, p.39–47.DOI: https://doi.org/10.1017/cbo9780511551543.006
 D. Binkley, The influence of tree species on forest soils: processes and patterns, in: D.J. Mead, I.S. Cornforth (Eds.), Proceedings of the Trees and Soil Workshop, Lincoln University Press, Canterbury, New Zealand, 1994, p.1–33.
 J. Bauhus, D. Paré, L. Côté, Effects of tree species, stand age and soil type on soil microbial biomass and its activity in a southern boreal forest, Soil Biology &. Biochemical. 30 (1998) 1077 – 1089.DOI: https://doi.org/10.1016/s0038-0717(97)00213-7
 E. Hackl, Composition of the microbial communities in the mineral soil under different types of natural forest, Soil Biology & Biochemistry. 37 (2005) 661 – 671.DOI: https://doi.org/10.1016/j.soilbio.2004.08.023
 X. Fang, et al., The effects of forest type on soil microbial activity in Changbai Mountain, Northeast China, Annals of Forest Science. 73 (2016) 473-482.DOI: https://doi.org/10.1007/s13595-016-0540-y
 E. Ayres, et al., Tree species traits influence soil physical, chemical, and biological properties in high elevation forests, PLoS ONE. 4 (2009) e5964.DOI: https://doi.org/10.1371/journal.pone.0005964
 S. Hättenschwiler, Effects of Tree Species Diversity on Litter Quality and Decomposition, in: M. Scherer-Lorenzen, C. Körner, E.D. Schulze (Eds.), Forest Diversity and Function. Ecological Studies (Analysis and Synthesis), Springer, Berlin, Germany, 2005, pp.149-164.DOI: https://doi.org/10.1007/3-540-26599-6_8
 F. Bernhard-Reversat, Changes in relationships between initial litter quality and CO2 release during early laboratory decomposition of tropical leaf litters, European Journal of Soil & Biology. 34 (1998) 117-122.DOI: https://doi.org/10.1016/s1164-5563(00)88648-3
 S.J. Grayston, D. Vaughan, D. Jones, Rhizosphere carbon flow in trees, in comparison with annual plants: the importance of root exudation and its impact on microbial activity and nutrient availability, Applied Soil Ecology. 5 (1996) 29-56.DOI: https://doi.org/10.1016/s0929-1393(96)00126-6
 F. Fritzsche et al., Soil–plant hydrology of indigenous and exotic trees in an Ethiopian montane forest, Tree Physiology. 26 (2006) 1043–1054.DOI: https://doi.org/10.1093/treephys/26.8.1043
 R.P. Phillips, T.J. Fahey, Tree Species and Mycorrhizal Associations Influence the Magnitude of Rhizosphere Effects, Ecology. 87(5) (2006) 1302–1313.DOI: https://doi.org/10.1890/0012-9658(2006)87[1302:tsamai]2.0.co;2
 P.S. Kourtev, J.G. Ehrenfeld, M. Haggblom, Experimental analysis of the effect of exotic and native plant species on the structure and function of soil microbial communities, Soil Biology & Biochemistry. 35 (2003) 895-905.DOI: https://doi.org/10.1016/s0038-0717(03)00120-2
 Y. Ashagrie, et al., Changes in soil organic carbon, nitrogen and sulfur stocks due to the conversion of natural forest into tree plantations (Pinus patula and Eucalyptus globulus) in the highlands of Ethiopia, World Resource Review. 15 (2003) 462-482.
 Y. Ashagrie, W. Zech, G. Guggenberger, Transformation of a Podocarpus falcatus dominated natural forest into a monoculture Eucalyptus globulus plantation at Munessa, Ethiopia: Soil organic C, N and S dynamics in primary particle and aggregate-size fractions, Agriculture, Ecosystem & Environment. 106 (2005) 89-98.DOI: https://doi.org/10.1016/j.agee.2004.07.015
 G. Tesfaye, et al., Regeneration of seven indigenous tree species in a dry Afromontane forest southern Ethiopia, Flora. 205 (2010) 135-143.DOI: https://doi.org/10.1016/j.flora.2008.12.006
 G.W. Gee, J.W. Bauder, Particle-size analysis, in: A. Klute (Ed.), Methods of soil analysis. Part 1. 2nd ed. Agron. Monogr. 9. ASA and SSSA, Madison, WI. 1986, p.383–411.DOI: https://doi.org/10.2136/sssabookser5.1.2ed.c15
 G.P. Gillman, E.A. Sumpter, Modification to the compulsive exchange method for measuring exchange characteristics of soils, Australian Journal of Soil Research. 24 (1986) 61-66.DOI: https://doi.org/10.1071/sr9860061
 E.G. Bligh, W.J. Dyer, A rapid method of total lipid extraction and purification, Canadian Journal of Biochemistry & Physiology. 37 (1959) 911-917.DOI: https://doi.org/10.1139/y59-099
 L. Zelles Fatty acid patterns of phospholipids and lipopolysaccharides in characterization of microbial communities in soil: a review, Biology & Fertility of Soils. 29 (1999) 111-129.DOI: https://doi.org/10.1007/s003740050533
 L. Zelles, Phospholipid fatty acid profiles in selected members of soil microbial communities, Chemosphere. 35 (1997) 275-294.DOI: https://doi.org/10.1016/s0045-6535(97)00155-0
 P.A. Olsson, A. Johansen, Lipid and fatty acid composition of hyphae and spores of arbuscular mycorrhizal fungi at different growth stages, Mycological Research. 104 (2000) 429–434.DOI: https://doi.org/10.1017/s0953756299001410
 F. Fritzsche, W. Zech, G. Guggenberger, Soils of the Main Ethiopian Rift Valley escarpment: A transect study, Catena. 70 (2007) 209–219.DOI: https://doi.org/10.1016/j.catena.2006.09.005
 FAO, ISRIC, ISSS, World Reference Base for Soil Resources, World Soil Resources Report, #84. FAO, Rome, Italy, (1998).
 A. Abate, Biomass and nutrient studies of selected tree species of natural and plantation forests: Implications for a sustainable management of the Munessa-Shashemene Forest, Ethiopia, Ph.D. dissertation, Universität Bayreuth, Germany, (2004).
 Z. Koukoura, A.P. Mamolos, K.L. Kalburtji, Decomposition of dominant plant species litter in a semi-arid grassland, Applied Soil Ecology. 23 (2003) 13-23.DOI: https://doi.org/10.1016/s0929-1393(03)00006-4
 M.V. Lutzow et al., Stabilization of organic matter in temperate soils: mechanisms and their relevance under different soil conditions - a review, European Journal of Soil Science. 57 (2006) 426-445.DOI: https://doi.org/10.1111/j.1365-2389.2006.00809.x
 M. Abraham, Leaf Litter Decomposition and Nutrient Release from Cordia africana Lam. and Croton macrostachyus Del. Tree Species, Journal of Environment and Earth Science. 4(1) (2014) 1-7.
 B. Berg, C. McClaugherty, Decomposition as a Process: Some Main Feature, in: Plant Litter: Decomposition, Humus Formation, Carbon Sequestration. 2nd ed.: Springe, Berlin, Germany 2008, ch. 2, pp.11-31.DOI: https://doi.org/10.1007/978-3-642-38821-7_2
 R.M.A. Block, K.C.J. Van Rees, J.D. Knight, A review of fine root dynamics in Populus lantations, Agroforestry Systems. 76 (2006) 73–84.DOI: https://doi.org/10.1007/s10457-005-2002-7
 E. Hackl, et al., Microbial nitrogen turnover in soils under different types of natural forest, Forest Ecology & Management. 188 (2004) 101-112.DOI: https://doi.org/10.1016/j.foreco.2003.07.014
 W.T. Feng, X.M. Zo., D. Schaefer, Above- and belowground carbon inputs affect seasonal variations of soil microbial biomass in a subtropical monsoon forest of southwest China, Soil Biology & Biochemistry. 41 (2009) 978-983.DOI: https://doi.org/10.1016/j.soilbio.2008.10.002
 H. Jin, O.J. Sun, J. Liu, Changes in soil microbial biomass and community structure with addition of contrasting types of plant litter in a semiarid grassland ecosystem, Journal of Plant Ecology. 3 (2010) 209-217.DOI: https://doi.org/10.1093/jpe/rtq001
 T. Wubet et al., Mycorrhizal status of indigenous trees in dry Afromontane forests of Ethiopia, Forest Ecology and Management. 179 (2003) 387-399.DOI: https://doi.org/10.1016/s0378-1127(02)00546-7
 M.C. Fisk, T.J. Fahey, Microbial biomass and nitrogen cycling responses to fertilization and litter removal in young northern hardwood forests, Biogeochemistry. 53 (2001) 201-223.
 A.E. Strand, Irreconcilable Differences: Fine-Root Life Spans and Soil Carbon Persistence, Science. 319 (2008) 456-458.DOI: https://doi.org/10.1126/science.1151382
 Y. Feng, et al., Soil microbial communities under conventional-till and no-till continuous cotton systems, Soil Biology & Biochemistry. 35 (2003) 1693-1703.DOI: https://doi.org/10.1016/j.soilbio.2003.08.016
 P. Chan-Woo, et al., Differences in soil aggregate, microbial biomass carbon concentration, and soil carbon between Pinus rigida and Larix kaempferi plantations in Yangpyeong, central Korea, Forest Science and Technology. 8(1) (2012) 38-46.DOI: https://doi.org/10.1080/21580103.2012.658217