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Technology, Policy And Population Growth Impacts On Economic Performance,Nutrient Flows And Soil Erosion At Watershed Level: The Case Of Ginchi In Ethiopia

Okumu, B N; Russel, N; Jabbar, Mohammad A.; Colman, D; … - International Livestock Research Institute (ILRI), … - 2004

balances, income and nutrition could not be substantially or sustainably improved in a highland area of Ethiopia. Although cash … possibility of an average twoand- a-half-fold increase in cash incomes and a 28% decline in aggregate erosion levels over a twelve … reliance on the watershed for subsistence food requirements, would imply an increasing need for a more secure land tenure …

Persistent link: https://www.econbiz.de/10011246269

Technology, policy and population growth impacts on economic performance, nutrient flows and soil erosion at watershed level: the case of Ginchi in Ethiopia

Okumu, B N; Russel, N; Jabbar, Mohammad A.; Colman, D; … - International Livestock Research Institute (ILRI), … - 2004

Persistent link: https://www.econbiz.de/10011246201

BIO-ECONOMIC MODELING OF WATERSHED RESOURCES IN ETHIOPIA

Okumu, B N; Jabbar, Mohammad A.; Colman, D; Russel, N - International Livestock Research Institute (ILRI), … - 1999

erosion and hence yields decline. The best strategy in the short run is to combine fertilizer application with crop rotation …

Persistent link: https://www.econbiz.de/10011246193

Dynamically Optimal Phosphorus Management and Agricultural Water Protection

Iho, Antti; Laukkanen, Marita - MTT Taloustutkimus (MTTL), Government of Finland - 2009

loading. It can be used to guide precision phosphorus management and erosion control as means to mitigate agricultural loading … intertemporally optimal combination of fertilization and erosion control and the associated soil phosphorus development. The optimal …. Erosion control was found to increase welfare only on land that is highly susceptible to erosion. …

Persistent link: https://www.econbiz.de/10008577972

Optimisation of policy interventions in environmental quota

Buysse, Jeroen; Van der Straeten, Bart; Nolte, Stephan; … - European Association of Agricultural Economists - EAAE - 2010

The paper analyses the governance choices in production quota with the Flemish nutrient production rights as a case. A static model of quota trade in the short run shows the inefficiency of discrete non-auctioned trade with fixed transaction costs. This model also shows that an obligation to...

Persistent link: https://www.econbiz.de/10008508958

Optimal Annual Changes in Harvests from Multicohort Fish Stocks: The Case of Western Mackerel

Kennedy, John O.S. - 1992

An optimising model is developed to determine the .sequence of total allowable catches of western mackerel which would result in the maximum present value of the stream of annual rents. It is found that the optimal steady state fishing mortality would be one half to one third of recent levels....

Persistent link: https://www.econbiz.de/10009444648

Carbon pricing through subsidy payment for thinning activities in Japan

Yoshimoto, Atsushi - In: Scandinavian Forest Economics: Proceedings of the …, 41

Carbon pricing was conducted through the subsidy payment for thinning activities in Japan within the optimization framework for the forest stand management. The optimal forest stand management model called DP-KYSS (dynamic programming model for Kyushu stand simulator) was utilized for the...

Persistent link: https://www.econbiz.de/10011200919

Bioeconomic meta-modelling of Indonesian agroforests as carbon sinks

Wise, Russell M.; Cacho, Oscar J. - Australian Agricultural and Resource Economics Society … - 2008

In many areas of developing countries, economic and institutional factors often combine to give farmers incentives to clear forests and repeatedly plant food crops without sufficiently replenishing the soils. These activities lead to large-scale land degradation and contribute to global warming...

Persistent link: https://www.econbiz.de/10005806930

WATER MANAGEMENT IN BANGLADESH AGRICULTURE: OPTIMAL USE AND INVESTMENT POLICIES FOR ADAPTATION TO CLIMATE CHANGE

Khan, Mohammad Ismail - Australian Agricultural and Resource Economics Society … - 2011

In Bangladesh, climatic change is likely to impact significantly upon surface and groundwater availability, as well as in other countries. The population of Bangladesh is projected to be double the current 2010 level by 2050. Demand for water will rise with the increasing demand for rice. This...

Persistent link: https://www.econbiz.de/10008853505

An Economic Analysis of Water Infrastructure Investments, Agricultural Productivity and Climate Change in the Mekong Delta: Adapting to Increased Salinity and Sea Level Rise

Corderi Novoa, David; Williams, Jeffrey C.; Howitt, … - Agricultural and Applied Economics Association - AAEA - 2011

Replaced with revised version of paper 07/24/11.

Persistent link: https://www.econbiz.de/10009021215