5 years ago

Die Wirksamkeit von Boden

Die Wirksamkeit von Boden


REFERENCES References Alexander M (1991) Introduction to soil microbiology. Wiley, New York. Pp467 Al-Rumikhani YA (2002) Effect of crop sequence, soil sample location and soil depth on soil water holding capacity under center pivot irrigation. Agricultural Water Management, 55:93-104 Amsalu A, de Graaff J (2007) Determinants of adoption and continued use of stone terraces for soil and water conservation in an Ethiopian highland watershed. Ecological Economics, 61(2-3):294-302 Amsalu A, Stroosnijder L, Graaff J (2007) Long-term dynamics in land resource use and the driving forces in the Beressa watershed, highlands of Ethiopia. Journal of Environmental Management, 83(4):448-459 Angassa A, Oba G (2008) Herder perceptions on impact of range enclosures, crop farming, fir ban and bush encroachment on the rangelands of Borana, Southern Ethiopia. Human Ecology, 36(2):201-2015 Anonymous (1980) Ethiopian forest and wildlife conservation and development proclamation, Negarit Gazeta No. 192/1980, Addis Ababa, Ethiopia Anonymous (2005) Federal Democratic Republic of Ethiopia rural land administration and use proclamation. Negarit Gazeta, No 456/2005, Addis Ababa, Ethiopia Anonymous (2006) Amhara National Regional State Environmental Protection, Land Administration and Use Authority (ANRSEPLAA). The revised rural land administration and use determination proclamation, No. 133/2006, Bahir-Dar, Ethiopia, pp 11-70 ANRS-BFED (2008) Amhara National Regional State Bureau of Finance and Economics Development (ANRS-BFED), annual statistical bulletin, Bahir-Dar, Ethiopia, pp 29-50 Antoci A, Russu P, Ticci E (2009) Distributive impact of structural change: Does environmental degradation matter? Structural Change and Economic Dynamics, 20(4):266-287 Asefa DT, Oba G, Weladji RB, Colman JE (2003) An assessment of restoration of biodiversity in degraded high mountain grazing lands in northern Ethiopia. Land Degradation and Development, 14(1):25-38 Assen M, Nigussie T (2009) Land-use/cover changes between 1966 and 1996 in Chirokella micro-watershed, southeastern Ethiopia. East African Journal of Sciences, 3(1):1-8 Awulachew SB, Yilma AD, Loulseged M, Loiskandl W, Ayana M, Alamirew T (2007) Water resource and irrigation development in Ethiopia. International Water Management Institute, Working Paper No. 123, pp 4-9 Aynekulu E, Denich M, Tsegaye D (2009) Restoration response of Juniperus procera and Olea europaea, subsp cuspidate to exclosure in a dry afromontane forest in north Ethiopia. Mountain Research and Development, 29(2):143-152 Babulo B, Muys B, Nega F, Tollens E, Nyssen J, Deckers J, Mathijs E (2009) The economic contribution of forest resource use to rural livelihoods in Tigray, Northern Ethiopia. Forest Policy and Economics, 11(2):109-117 140

References Baccini A, Laporte N, Goetz SJ, Sun M, Dong H (2008) A first map of tropical Africa's above-ground biomass derived from satellite imagery. Environmental Research Letters, 3(4)45011:1-9 Badege B (2001) Deforestation and land degradation in the Ethiopian highlands: A strategy for physical recovery. Northeast African Studies, ISSN 0740-9133, 8(1):7-26 Barbiéro L, Valles V, Régeard A, Cheverry C (2001) Residual alkalinity as tracer to estimate the changes induced by forage cultivation in a non-saline irrigated sodic soil. Agricultural Water Management, 50(3):229-241 Barrow CJ (1991) Land degradation: Development and breakdown of terrestrial environments. Cambridge University Press, ISBN 10:0521466156, pp 5-17 Bekele-Tesemma A, Birnie A, Tengnäs B (1993) Useful trees and shrubs for Ethiopia: Identification, propagation and management for agricultural and pastoral communities. Sweden Belay K, Abebaw D (2004) Challenges facing agricultural extensions: A case study from South-western Ethiopia. African Development Review, 16(1):134-168 Bergmann W (1992) Nutritional disorders of plant: Development, visual and analytical diagnosis, New York Bewket W (2007) Soil and water conservation intervention with conventional technologies in northwestern highlands of Ethiopia: Acceptance and adoption by farmers. Land Use Policy, 24:404-416 Bhan C (988) Spatial analysis of potential soil erosion risks in Wello region, Ethiopia: A geomorphological evaluation. Mountain Research and Development, 8(2- 3):139-144 Bingxin Y, Nin-Pratt A, Funes J, Asrat S (2010) Cereal production and technology adoption in Ethiopia. International Food Policy Research (IFPRI). Discussion paper 1131, pp 3-10 Black CA (1965) Methods of soil analysis Part I, American Society of Agronomy. Madison, Wisconsin, USA Bojö J, Cassells D (1995) Land degradation and rehabilitation in Ethiopia: A reassessment. AFTES, Working Paper No. 17, World Bank Calvi�o PA, Sadras VO (1999) Inter-annual variation in soybean yield: Interaction among rainfall, soil depth and crop management. Field Crops Research, 63(3):237-246 Cao S, Chen L, Feng Q, Liu Z (2007) Soft-riser bench terrace design for the hilly loess region of Shaanxi province, China. Landscape and Urban Planning, 80(1-2):184- 191 Carla K, Arnaud M, Jacques M (2003) Spontaneous vegetation dynamics and restoration prospects for limestone quarries in Lebanon. Applied Vegetation Sciences, 6(2):199-204 Catherine P, Ouimet R (2007) Organic carbon matter and bulk density relationships in forest soils. Canadian Journals of Soil Sciences, 88(3):315-325 Chen ZS, Hsieh CF, Jiang FY, Hsieh TH, Sun IF (1997). Relations of soil properties to topography and vegetation in a subtropical rain forest in southern Taiwan. Plant Ecology, 132(2):229-241 141

Voluntary and incentives programmes for soil ... - Unser Boden
Für die Wand Für den Boden Auf Tisch und Theke On the wall ... - Helit
Die ökologische Bedeutung von Samenbanken, Keimung und ...