5 years ago

Die Wirksamkeit von Boden

Die Wirksamkeit von Boden

References Mekonnen A,

References Mekonnen A, Bluffstone R (2008) Policies to increase forest cover in Ethiopia. In: Bane et al. (eds), Proceeding of a policy workshop organized by EEPEF (Environmental Economics Policy Forum for Ethiopia) and EDRI (Ethiopian Development Research Institute), Addis Ababa, Ethiopia, pp23-68 Mekuria W., Veldkamp E, Tilahun M, Olschewski R (2011) Economic valuation of land restoration: The case of exclosures established on communal grazing land in Tigray, Ethiopia. Land Degradation and Development, 22(3):334-344 Mekuria W, Veldkamp E, Haile M, Nyssen J, Muys B, and Gebrehiwot K (2007) Effectiveness of exclosures to restore degraded soils as a result of overgrazing in Tigray, Ethiopia. Journal of Arid Environments, 69(2):270-284 Moges A, Holden NM (2008) Soil fertility in relation to slope position and agricultural land use: A case study of Umbulo catchment in southern Ethiopia. Ecological Research, 42(5):111-118 Nana-Sinkam SC (1995) Land and environmental degradation and desertification in Africa, ECA/FAO. Cited 20 Mar 2010 FAO site NBCBN-RE (Nile Basin Capacity Building Network- for River Engineering) (2005) Assessment of the current state of the Nile basin reservoir sedimentation problems. River morphology research cluster, pp 1-2 Nearing MA, Kimoto A, Nichols MH, Ritchie JC (2005) Spatial patterns of soil erosion and depositions in two small, semiarid watersheds. Journals of Geophyical Research, 110, F04020, doi: 10.1029/2005JF000290, pp1-11 NMSA (National Meteorological Services Agency of Ethiopia) (1996) Climatic and agro-ecology resources of Ethiopia, Addis Ababa, Ethiopia, 1(1):0-137 Nyssen J, Poesen J, Deckers J (2009) Land degradation and soil and water conservation in tropical highlands. Soil and Tillage Research, 103(2):197-202 Nyssen J, Poesen J, Gebremichael D, Vancampenhout K, D’aes M, Yihdego G, Govers G, Leirs H, Moeyersons J, Naudts J, Haregeweyn N, Haile M, and Deckers J (2007) Interdisciplinary on-site evaluation of stone bunds to control soil erosion on cropland in Northern Ethiopia. Soil and Tillage Research, 94(1):151-163 Nyssen J, Haregeweyn N, Descheemaeker K, Gebremichael D, Vancampenhout K, Poesen J, Haile M, Moeyersons J, Buytaert W, Naudts J, Deckers J, and Govers G (2006) Letter to the Editor, Comment on ‘‘Modeling the effect of soil and water conservation practices in Tigray, Ethiopia’’ [Agric. Ecosyst. Environ. 105(2005)29-40]. Agriculture, Ecosystems and Environment, 114(2-4):407-411 Nyssen J, Poesen J, Moeyersons J, Deckers J, Haile M, Lang A (2004) Human impact on the environment in the Ethiopian and Eritrean highlands: A state of the art. Earth-Science Reviews, 64(3-4):273-320 Oba G, Abebe MH, Angassa A, Weladji RB (2006) The role of area enclosures and fallow age in the restoration of plant diversity in northern Ethiopia. African Journals of Ecology, 44(4):507-514 Oba G, Post E, Syvertsen PO, Stenseth NC (2000) Bush cover and range condition assessments in relation to landscape and grazing in southern Ethiopia. Landscape Ecology, 15(6):535-546 146

References Olarieta JR, Rodr�´guez-Valle FL, Tello E (2008) Preserving and destroying soils, transforming landscapes: Soils and land-use changes in the valley`s county (Catalunya, Spain) 1853–2004. Land Use Policy, 25(4):474-484 Olgun M, Kumlay AM, Adiguzel MC, Caglar A (2008) The effect of water-logging in wheat (T.aestivum L.). Acta Agriculturae Scandinavica Section B- Soil and Plant Science, 58(3):193-198 Olsen SR, Colo CV, Watenable FS, Dean LA (1954) Estimation of available phosphorus in soils by extraction with sodium bicarbonate. USDA Circular Omiti JM, Parton KA, Sindena JA, and Ehui SK (1999) Monitoring changes in land-use practices following agrarian de-collectivization in Ethiopia. Agriculture, Ecosystems and Environment, 72(2):111-118 Oorts K, Vanlauwe B, Merckx R (2003) Cation exchange capacity of soil organic matter fractions in a Ferric Lixisols with different organic matter inputs. Agriculture, Ecosystems and Environment, 100(2):161-117 Pandey CB, Srivastava RC (2009) Plant available phosphorus in home garden and native forest soils under high rainfall in an equatorial humid tropic: a review. Plant Soil, 316(1-2):71-80 Pimentel D, Harvey C, Resosudarmo P, Sinclair K, Kurz D, McNair M, Crist S, Shpritz L, Fitton L, Saffouri R, Blair R (1995) Environmental and economic costs of soil erosion and conservation benefits. Science, 267(5201):1117-1123 Pohjonen V, Pukkala T (1990) Eucalyptus globulus in Ethiopian forestry. Forest Ecology and Management, 36(1):19-31 Prasannakumar V, Vijith H, Abinod S, Geetha N (2012) Estimation of soil erosion risk within a small mountainous sub-watershed in Kerala, India, using revised universal soil loss equation (RUSLE) and geo-information technology. Geoscience Frontiers, 3(2):209-215 Puhr CB, Donoghue DNM (2000) Remote sensing of upland conifer plantations using Landsat TM data: A case study from Galloway, south-west Scotland. International Journal of Remote Sensing, 21(4):633-646 Rasool R, Kukal SS, Hira GS (2007) Soil physical fertility and crop performance as affected by long term application of FYM and inorganic fertilizers in rice-wheat system. Soil and Tillage Research, 96(1-2):64-72 Richter DD, Markewitz D, Trumbore SE, Carol G, Wells CG (1999) Rapid accumulation and turnover of soil carbon in a re-establishing forest. Nature, 400:56-58 Riebsame WE, Meyer WB, Turner BL (1994) Modeling land use and cover as part of global environmental change. Climate Change, 28(1-2):45-64 Rowell DL (1994) Soil science: Method and applications. Addison Wesley Longman Limited England Sariyildiz S, Akkuzu E, Kucuk M, Duman A, Aksu Y (2008) Effect of Ips typographus (L) damage on litter quality and decomposition rates of Oriental Spruce [Picea Orientalis (L.) Link.] in Hatila Valley National Park, Turkey. European Journal of Forest Research, 127(5):351-360 147

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