5 years ago

Die Wirksamkeit von Boden

Die Wirksamkeit von Boden

References Ciampalini R,

References Ciampalini R, Billi P, Ferrari G, Borselli L (2008) Plough marks as a tool to assess soil erosion rates: A case study in Axum (Ethiopia). Catena, 75(1):18-27 Coltorti M, Dramis F, Ollier CD (2007) Plantation surfaces in northern Ethiopia. Geomorphology, 89(3-4):287-296 CSA (2008) Summery and statistical report of the 2007 population and housing censes: Population size by age and sex, United Nation Population Fund (UNFPA). Addis Ababa, Ethiopia, pp 7-19 Cuffaro N (1997) Population growth and agriculture in poor countries: A review of theoretical issues and empirical evidence. World Development, 25(7):1151-1163 de Sherbinin A, Carr D, Cassels S, Jiang L (2007) Population and environment, annual reviw, Enviromental Resources, Springer ISSN: 1573-7810, 11111(32):345-573 Dejene A (1990) Environmental, famine and politics in Ethiopia: A view from the village. London, pp 1-128 Dercon G, Deckers J, Govers G, Poesen J, Sánchez H, Vanegas R, Ram´�rez M, Loaiza G (2003) Spatial variability in soil properties on slow-forming terraces in the Andes region of Ecuador. Soil and Tillage Research, 72(1):31-41 Descheemaeker K, Mapedza E, Amede T, Ayalneh W (2010) Effects of integrated watershed management on livestock water productivity in water scarce areas in Ethiopia. Physics and Chemistry of the Earth, 35(13-14):723-729. Descheemaeker K, Muys B, Nyssen J, Sauwens W, Haile M, Poesen J, Raes D, Deckers J (2009) Humus from development during forest restoration in exclosures of the Tigray Highlands, Northern Ethiopia. Restoration Ecology, 17(2):280-289 Descheemaeker K, Muys B, Nyssen J, Poesen J, Raes D, Haile M, Deckers J (2006) Litter production and organic matter accumulation in exclosures of the Tigray, Ethiopia. Forest Ecology and Management, 233(1):21-35 Dong D, Ramsey MH, Thornton I (1995) Effect of soil pH on Al availability in soils and its uptake by the soybean plant (Glycine max). Journal of Geochemical Exploration, 55(1-3):223-230 Dregne HE (1990) Erosion and soil productivity in Africa. Journal of Soil and Water Conservation, 45(4):431-436 Dubale P (2001) Soil and water resources and degradation factors affecting productivity in Ethiopian highland agro-ecosystems. Northeast African Studies, ISSN 0740- 9133, 8(1):27-52 EFAP (Ethiopian Forestry Action Program) (1994) Ministry of Natural Resources Development and Environmental Protection, Volume 2 and 3, Final Report, EFAP Secretariat, Addis Ababa Ehret C (1979) On the antiquity of agriculture in Ethiopia. Journal of African History, 20(2):161-177 El-Swaify SA (1997) Factors affecting soil erosion hazards and conservation needs for tropical steep lands. Soil Technology, 11(1):3-16 Eshatu Z (2004) Natural 15N abundance in soils under young-growth forests in Ethiopia. Forest Ecology and Management, 187(2-3):139-147 FAO (2006) Guidelines for soil description, 4 th edition. Rome, Italy, pp 4-5 142

References FAO (2004) Methodological framework for land degradation assessment in dry-lands. Cited 12 Feb 2011 Organization site FAO (2001) Global forest resource assessment 2000. FAO forestry paper, pp 1-140 FAO (2000) Land covers classification system (LCCS): Classification concepts and user manual. Cited 12 Feb 2011 Organization site FAO (1986) Ethiopian highland reclamation study (EHRS). Land Use Planning and Regulatory Department, Ministry of Agriculture, FAO, Final report, Vol. 1 and 2, Rome FAO (1984) Ethiopian geomorphology and soils (1:1,000,000 scales). Assistance to Land Use Planning, Addis Ababa, Ethiopia, np Feller C, Beare MH (1997) Physical control of soil organic matter dynamics in the tropics. Geoderma, 79(1-4):69-116 Feoli E, Vuerich LG, Zerihum W (2002) Evaluation of environmental degradation in northern Ethiopia using GIS to integrate vegetation, geomorphological, erosion and socio-economic factors. Agriculture, Ecosystems and Environment, 91(1- 3):313-325 FRA (2005) Global forest resource assessment (FRA): 15 key findings. A4. Cited 20 Mar 2010 FAO site Franzluuebbers AJ, Haney RL, Honeycutt CW, Arshad MA, Schomberg HH, Hons FM (2001) Climatic influences on active fractions of soil organic matter. Soil Biology and Biochemistry, 33(7):1103-1111 Fu B, Liu S, Chen L, Lu Yi, Qiu J (2003) Soil quality regime in relation to land cover and slope position across a highly modified slope landscape. Ecological Research, 19(1):111-118 Fu H, Pei S, Changgui Wan C (2008) Changes in soil properties and vegetation following exclosure and grazing in degraded Alxa desert steppe of Inner- Mongolia, China. Agriculture, Ecosystems and Environment, 124(1-2):33–39 Gabrielle B, Da-Silveira J, Houot S, Michelin J (2005) Field-scale modeling of carbon and nitrogen dynamics in soils amended with urban waste composts. Agriculture, Ecosystems and Environment, 110(3-4):289-299 Gebermichael D, Nyssen J, Poesen J, Deckers J, Haile M, Govers G, Moeyersons J (2005) Effectiveness of stone bunds in controlling soil erosion on cropland in the Tigray highlands, northern Ethiopia. Soil Use and Management, 21(3):287-297 Gebreegziabher T, Nyssen J, Bram G, Fekadu G, Behailu M, Haile M, Deckers J (2009) Contour furrows for in-situ soil and water conservation, Tigray, Northern Ethiopia. Soil and Tillage Research, 103(2):257-264 Ghobadi ME, Ghobadi M (2010) Effect of anoxia on root growth and grain yield of wheat cultivars. World academy of Science, Engineering and Technology, 70:85-88 143

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