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1.
WTO negotiations, as well as problems associated with intensive agriculture, such as overproduction, dependency on high levels of subsidies, diffuse pollution, soil degradation and loss of wildlife, have led to a reconsideration of agricultural policies in Europe. In April 2005, the new common agricultural policy (CAP)-reform came into force in the United Kingdom, decoupling financial support to farmers from agricultural production. Farm income support payments are now linked to compliance with standards (cross-compliance rules) which protect the environment, animal health and welfare. In the light of these policy changes, semi-structured interviews were carried out with 36 farmers in five catchments in the UK to explore interrelationships between CAP-reform, agricultural land management and runoff-related problems. Results from three catchments are specifically highlighted because of their relevance for soil policy.The CAP-reform appears to facilitate and accelerate changes in the agricultural sector that were already happening. It is likely that upland livestock farms will extensify further, which will reduce environmental burdens such as diffuse pollution, soil compaction and runoff. The uptake of agri-environment schemes by individual farmers has increased since the CAP-reform. However, additional impacts are limited as there is a tendency among participants to enter these schemes based on existing features and practices.Although most farmers interviewed for this study appear to recognise the need to reduce soil erosion and diffuse pollution, they are less convinced they should be held responsible for controlling storm-water runoff from farmland that might contribute to flooding downstream. However, there are opportunities to achieve several objectives simultaneously, including improved soil management, runoff control and reduced pollution. Lessons can be learned from farmers’ opinions about CAP-reform, from successful interventions that aimed to reduce soil erosion and diffuse pollution, and also from failures. Recommendations are made for improvements to the current agri-environment schemes and to promote land management practices with less environmental burden.  相似文献   

2.
This paper reports results from a study of resource degradation and conservation behavior of peasant households in a degraded part of the Ethiopian highlands. Peasant households' choice of conservation technologies is modeled as a two-stage process: recognition of the erosion problem, and adoption and level of use of control practices. An ordinal logit model is used to explain parcel-level perception of the threat of the erosion problem and the extent of use of conservation practices. Results show the importance of perception of the threat of soil erosion, household, land and farm characteristics; perception of technology-specific attributes, and land quality differentials in shaping conservation decisions of peasants. Furthermore, where poverty is widespread and appropriate support policies are lacking, results indicate that population pressure per se is unable to encourage sustainable land use. The challenge of breaking the poverty-environment trap and initiating sustainable intensification thus require policy incentives and technologies that confer short-term benefits to the poor while conserving the resource base.  相似文献   

3.
Sustainable agricultural intensification (SAI) practices have been promoted in developing countries to improve farm productivity and environmental services. However, it is still unclear whether use of a combination of SAI practices has a significant influence on the cost efficiency of smallholder farms. This study investigates whether the cost efficiency of smallholder maize producers in Ethiopia depends on use of input-augmenting and agronomic SAI practices. Stochastic cost frontier models that account for heterogeneity across farms are used for estimation. We find that the use of individual SAI practices increases cost while the combined use of the practices reduces it. The marginal effect on cost reduction is substantial when SAI practices are set at their sample maximum levels. Overall, the results demonstrate the benefit of using a combination of SAI practices in minimizing production cost while addressing the adverse effects of soil degradation and climate variability. To enhance food security, smallholder farm incomes and the sustainability of production in developing countries, policy programs should focus on promoting packages of input-augmenting and agronomic SAI practices.  相似文献   

4.
Most evaluations of payments for environmental services programs focus on immediate environmental impacts, and do not measure the effects on socioeconomic outcomes or on other land use activities (leakage). Efficient allocation of land use contracts, through auctions for example, may help mitigate concerns about adverse livelihood or leakage effects. This study reports on a field experiment that varied the allocation of afforestation contracts to smallholder farmers in Malawi. Households were randomly assigned to participate in an auction or in a lottery for the contracts, which provided three years of payment based on tree survival outcomes. Households that did not receive a contract as a result of the lottery form a pure comparison group. The results show evidence for within-farm leakage for households that received a contract at random, in the form of additional land clearing. Randomly contracted households are also more likely to report household labor shortages. These effects are mitigated to some degree when contracts are assigned through an auction. Together, the results point to leakage and livelihood impacts from payments for environmental services that are often overlooked in standard evaluations, but which may be reduced through improvements in contract targeting.  相似文献   

5.
As agricultural policies affect land use, they have effects on the amount of soil erosion in agricultural regions through changes of the economic conditions of agricultural production. Prices of inputs and outputs, regulations and incentives can change, forcing or encouraging farmers to adopt new crop rotations. This paper shows how a bio-economic model can be used to describe and estimate the effects of policies on agricultural production and the risk of soil erosion at the example of a region in North-Eastern Germany. The model uses both an assessment tool that is based on a fuzzy-logic approach for the estimation of soil erosion risk of cropping practices, and a linear programming model, that simulates farmers’ economic behaviour under the assumption of gross margin maximisation being the main goal of farmers’ actions.The analysed policy options were both a targeted and an untargeted incentive programme for reduced tillage, and a restriction option where high erosive crops are not allowed on high erodible field types. The results show that policy changes can have an impact on soil erosion. Furthermore, soil conservation policies are shown to have different levels of efficiency in terms of reduced soil erosion related to the costs of the policy. In the case of this study, a restriction option was more efficient than the incentive options. The results of such simulations can serve as a decision support for the development of soil conservation policies and help to foresee the effects of general changes of agricultural policies.  相似文献   

6.
Under the conservation-compliance program, most of the individual producers are forced to cut their soil erosion to 7 t per acre annually irrespective of the marginal cost of controlling soil erosion. In a system where coupons to a ton of soil loss were issued to producers and traded, the marginal cost of controlling soil loss within each soil type and across different soil types would be equalized. An instrumental variable procedure was used to determine the effect of soil erosion on net profits. The results for Iowa show that there is considerable difference in the marginal opportunity cost of controlling soil erosion between soil types. By assigning one ton of erosion to Iowa soil type Downs (5-10% slope) instead of Clarion (2-5% slope), there is a savings of $5.00 per acre for the society as a whole. The tradable coupon system is not only efficient, but will also bring in more land under soil conservation.  相似文献   

7.
In this paper we analyse the economic and environmental impacts of CAP greening introduced by the 2013 CAP reform using the CAPRI model. CAPRI captures the farm heterogeneity across the EU and it allows to depict the implementation of the greening measures in high detail while integrating the environmental effects and the market feedback of the simulated policy changes. The simulated results reveal that the economic impacts (land use, production, price and income) of CAP greening are rather small, although some farm types, crops (fallow land and pulses) and Member States may be affected more significantly. The CAP greening will lead simultaneously to a small increase in prices and a small decrease in production. Farm income slightly increases because the price effects offset the production decline. Similarly to economic effects, the environmental impacts (GHG emissions, N surplus, ammonia emissions, soil erosion, and biodiversity‐friendly farming practices) of CAP greening are small, although some regions may see greater effects than others. In general, the environmental effects at EU level are positive on a per hectare basis, but the increase in UAA can reverse the sign for total impacts. Overall, simulated GHG and ammonia emissions decrease in the EU, while the total N surplus, soil erosion and biodiversity‐friendly farming practices indicator slightly increase due to the CAP greening.  相似文献   

8.
In Vietnam, a quasi-private property regime has been established in 1993 with the issuance of exchangeable and mortgageable long-term land use right certificates. Using primary qualitative and quantitative data collected in a mountainous district of Northern Vietnam, this paper investigates the role of the land policy in the adoption of soil conservation technologies by farmers. This issue is of crucial importance in the region where population growth and growing market demands have induced farmers to intensify agricultural production. While poverty has been reduced, environmental problems such as soil erosion, landslides, and declining soil fertility have become more severe over the past years. Our findings suggest that despite farmers’ awareness of erosion, soil conservation technologies are perceived as being economically unattractive; therefore, most upland farmers continue to practice the prevailing erosion-prone cultivation system. Focusing on agroforestry as one major soil conservation option, we estimate household and plot-level econometric models to empirically assess the determinants of adoption. We find that the possession of a formal land title positively influences adoption, but that the threat of land reallocations in villages discourages adoption by creating uncertainty and tenure insecurity. The analyses reveal that these two effects interact with each other but are of small magnitude. We conclude that the issuance of land titles is a necessary but not sufficient prerequisite to encouraging the adoption of soil conservation practices. However, current practices remain economically unattractive to farmers. This deficiency needs to be addressed by interdisciplinary research and complemented by strong efforts by local authorities to promote sustainable land use.  相似文献   

9.
Reducing emissions from deforestation and forest degradation, conservation and sustainable management of forests and enhancement of forest carbon (REDD+) are considered to be important cost effective approaches for global climate change mitigation; therefore, such practices are evolving as the REDD+ payment mechanism in developing countries. Using six years (2006–2012) data, this paper analyses trade-offs between carbon stock gains and the costs incurred by communities in generating additional carbon in 105 REDD+ pilot community forests in Nepal. It estimates foregone benefits for communities engaged in increasing carbon stocks in various dominant vegetation types. At recent carbon and commodity prices, communities receive on average US$ 0.47/ha/year of carbon benefits with the additional cost of US$ 67.30/ha/year. One dollar’s worth of community cost resulted 0.23 Mg of carbon sequestration. Therefore, carbon payment alone may not be an attractive incentive within small-scale community forestry and should link with payments for ecosystem services. Moreover, the study found highest community sacrificed benefits in Shorea mixed broadleaf forests and lowest in Schima-Castanopsis forests, while carbon benefits were highest in Pine forests followed by Schima-Castanopsis forests and lowest in Rhododendron-Quercus forests. This indicates that costs and benefits may vary by vegetation type. A policy should consider payment for other environmental services, carbon gains, co-benefits and trade off while designing the REDD+ mechanism in community based forest land use practice with equitable community outcomes. The learning from this study will help in the formulation of an appropriate REDD+ policy for community forestry.  相似文献   

10.
As a result of landslides and soil erosion, a substantial amount of soil has been lost in Turkey. Particularly, fertile lands have long been faced with the threat of erosion, largely as a result of traditional (unplanned) land use practices. This threat is more evident in the Black Sea Region with its rough topography and rainy climate. The basic reason for this threat is the lack of organization in land use planning and control. Although proposals, in the context of this requirement, are included in national development plans, they have not been implemented. Accordingly, in this study research based on spatial data evaluation was carried out for Sera Lake located in Akcaabat, Trabzon, Turkey. For this purpose, temporal area, depth and volume changes of the lake were determined by utilizing topographic maps, aerial photographs and hydrographical measurements. To evaluate determined changes in the size of the lake and to produce suggestions to legislators for required sustainable land management activities, information on land use/cover types, land ownership and climate in the vicinity of the lake was utilized. As a result, it was determined that the area, depth and volume of the lake were significantly decreased during the last decades, as a consequence of erosion mainly caused by traditional land use practices; thus, the lake is threatened with the danger of extinction due to erosion. Precautions required for the alleviation of erosion and other adverse environmental effects which largely seem to be caused by harsh physical properties (caused basically by topography) of the region were discussed. In support of the information inherent to the region, traditional arable land use was logically determined as the basic non-natural factor (which is directly prone to erosion) to be rearranged in the context of sustainable land management. In this context, beyond nationwide actions (national agricultural policy and Soil Protection and Land Use Law), which may provide the required land management tools in the long term, it is proposed that planning and accordingly land management activities specific to the study area (Sera Valley) should immediately be commenced in close collaboration with the related public (owners or farmers). However, behaviours of different types of land users (engaged in commercial, subsistence and semi-subsistence farming) and also high number of owners and/or farmers (caused by small pieces of land parcels owned/used in shares) make the desired collaboration almost impossible. This socio-economical problem may be solved by further developing the current land registry and cadastre system in terms of customary land use rights, land use/cover changes and updating procedures.  相似文献   

11.
A previous study developed a framework for choosing among groups of policy mechanisms for encouraging environmentally beneficial land-use change. The framework highlights that these choices should depend on the relative levels of private (or internal) net benefits, and public (or external) net benefits. Incentive-based mechanisms (polluter-pays and/or beneficiary-pays) and extension need to be targeted carefully to appropriate projects—where private net benefits are close to zero, and/or public net benefits are more extremely positive or negative. This article focuses on policy mechanisms that alter the net benefits of changing land management, including R&D to develop new technologies, and training to improve the skill of landholders at using existing technologies. These policy options are now treated more comprehensively within the public benefits: private benefits framework. Benefits of technology-change projects can include reductions in the opportunity cost of compliance with environmental programs, increases in the public benefits of a particular type of land-use change, or improvements in private net benefits, resulting in public benefits through greater or more rapid adoption by private landholders. From an environmental management perspective, technology development is most relevant where public net benefits of land use change are positive and private net benefits are negative, but not highly negative. There is a set of projects for which technology change is the only viable alternative to no action, highlighting the importance of technology change in these cases.  相似文献   

12.
An analysis of the drivers of agricultural land use is important for policy makers as the issues of climate change and food security become increasingly prominent in the political landscape. This paper analyses the role of prices, total land holdings and climate on land use in Australia. The analysis relates to a unique comprehensive coverage of commodity types at a regional level. An explicit treatment of missing data and the novel use of cluster analysis is employed within a partial adjustment framework for modelling land allocation. The majority of commodity types across regions exhibit significant degrees of slow partial adjustment for land allocation, the frequency of slow adjustment is greatest with crops and livestock and weakest for vegetables. In general, relative own and cross prices, total land holdings and rainfall only have a minor impact on short‐term land allocations, however numerous individual commodity/regional combinations have identified significant short‐run impacts.  相似文献   

13.
This study examined how agricultural households involved in China's Sloping Land Conversion Program (SLCP) could respond to expected changes in environmental and livestock policies and changing commodity prices. We calibrated a farm household model using 2009 survey data collected in northeast Gansu Province, China, and examined the responses of four different household groups. Household groups were distinguished based on the resources they possessed for either cropping, livestock husbandry or off-farm employment. We also calculated the opportunity cost of converting sloping land from grain crop production to perennial grass production and included the net value of the replacement crop in these calculations. Our model simulations indicated that subsistence-oriented households were most likely to participate in the SLCP, and that SLCP payment reductions could have large negative income effects for this group. Reductions in SLCP payments increased income inequality among households in the study area. Migration- and cropping-oriented households have fewer incentives to participate in the SLCP. With rising commodity prices, SLCP payments need to rise to avoid that subsistence-oriented households reconvert their land from perennial grasses to annual grain crops. Local government policies related to livestock production are being devised in Gansu as a method to lift incomes, and these policies could also have positive environmental benefits by increasing grass production on sloping land. The introduction of these livestock promotion policies had modest income effects but did not alter the area grown with grasses under the SLCP.  相似文献   

14.
研究目的:构建适应市场配置的国家宏观调控体系,保障土地资源市场配置的顺利实施。研究方法:系统分析法,政策分析法。研究结果:在市场配置下,政府可以通过以下措施实现对土地市场的宏观调控:(1)改革现行土地利用规划、计划制度,建立适应市场经济的规划、计划体系;(2)改革并建立能够促进土地集约利用、优化配置、收益公平分配的土地财税制度;(3)实行土地用途管制分区,限制土地使用权,克服土地利用的负外部性;(4)为实现公共利益征收土地所有权、使用权,由国家确定其土地用途;(5)改革现行行政审批制度,简政放权;(6)尽快制定《土地基本法》。研究结论:目前应首先改革财税制度,把建立稳定的、与地方政府事权相匹配的地税体系作为土地管理制度改革的切入口,为全面开展土地管理制度改革奠定基础。  相似文献   

15.
Soil erosion is a serious environmental threat to New Zealand’s agricultural sector. Economic costs of soil erosion are significant and the costs of adopting mitigation and management practices, given the targets set by environmetal policy, do not spread uniformly across space, economic activities and types of erosion processes. Management practices have been widely employed by farmers and promoted by several policy programs. Practices are not mutually exclusive and could be jointly adopted by comparing productivity gains against costs of implementation. However, research on the identification of the drivers of adoption is scarce in New Zealand. To identify the determinants of adoption of management practices in New Zealand farms, we combine novel survey information with data on climate and erosion in a multivariate probit framework. This framework allows identification of potential complementarity or substitution between management practices. We find significant and heterogeneous effects from erosion levels, temperature, wind velocity and primary land uses on the adoption of any of the practices. In addition, we also find significant complementarities between management practices. The results of this study are important because the complementarities relate to external effects of erosion mitigation which can help to promote public acceptability of mitigation policies.  相似文献   

16.
In the Genil River Basin (southern Spain), agriculture is the greatest pressure on freshwater demand. Furthermore, water degradation caused by soil erosion is becoming a key environmental concern. This study aims to assess the water-related impacts of agriculture combining the use of an ecohydrological model (SWAT) with a spatiotemporal water footprint assessment to evaluate the current status of streamflow (blue water), soil water (green water) and the assimilability of sediments by streamflow (grey water footprint). The Common Agricultural Policy (CAP) requires farmers to adopt certain agricultural practices that are beneficial for the environment. Such practices could affect the conditions of available land and water resources. Because of the importance of applying the best land management practices for the maintenance of sustainable water resources, the study also infers probable water availability and water pollution level changes under different post-2013 CAP scenarios. The Genil streamflow is highly regulated, and, as a result, it is hard to discern significant changes (p < 0.05) under the proposed scenarios. However, there is a shift with afforestation measures from unproductive (i.e., direct soil evaporation) to productive water (i.e., evapotranspired water from agricultural and natural areas, excluding non-growing periods) consumption. The probability of annual evapotranspiration from natural areas being greater in afforestation scenarios than in the baseline scenario is 0.70 to 0.88, whereas the likelihood of soil water evaporation being lower is 0.60. Evapotranspiration in natural areas increases by about 521% from September to May under afforestation measures compared with the baseline scenario, whereas soil water evaporation decreases by 30% in winter. The grey water footprint and water pollution level decrease by 19% and 9%, respectively, with the highest streamflow conditions under afforestation as opposed to current conditions. However, water pollution levels of suspended solids greater than 1 indicate that the river flow is not capable of assimilating the existing sediment loads. Since land use changes and agricultural practices have a major impact on water resources, the post-2013 CAP reform can provide environmental benefits for water allocation and mitigation of water pollution. However, further efforts are required to better align the policy goals of the CAP and the Water Framework Directive.  相似文献   

17.
The paper aims to comprehensively analyze key issues of current land use in China. It identifies the major land-use problems when China is undergoing rapid urbanization. Then, the paper interprets and assesses the related land-use policies: requisition-compensation balance of arable land, increasing vs. decreasing balance of urban-rural built land, reserved land system within land requisition, rural land consolidation and economical and intensive land use. The paper finds that current policies are targeting specific problems while being implemented in parallel. There is lacking a framework that incorporates all the policies. The paper finally indicates the current land-use challenges and proposes strategic land-use policy system to guide sustainable land use in the future.  相似文献   

18.
The main novelty of the most recent Common Agricultural Policy reform is the greening, which provides a payment to farmers who respect certain ‘agricultural practices beneficial for the climate and the environment’. The greening is part of a framework that includes other changes to the first pillar.In the present study the possible impact of first pillar reform on a Farm Accountancy Data Network (FADN) sample of Italian farms was carried out using a Positive Mathematical Programming model. This model considers the mechanisms of production choices according to compliance with the greening practices, as well as possible administrative penalties or reductions in payments in the case of non-compliance.Results showed that while the impact of the greening practices is limited in terms of land use, there were positive effects on environmental indicators. Coupled payments, along with greening practices, determine a larger impact and are effective in achieving environmental goals. Moreover, the system for reducing green payments and levying administrative penalties in case of non-compliance is effective and ensures compliance with practices in almost all farms.  相似文献   

19.
To reverse the negative environmental impacts of agriculture, a land evaluation decision support system (DSS) known as MicroLEIS-DSS was used to design the most sustainable land use and management practices for selected Mediterranean benchmark sites in Sevilla Province, Southern Spain. This DSS is based on the multifunctional evaluation of soil quality, using input data collected in standard soil surveys, and with particular reference to the peculiarities of the Mediterranean region. Specific agro-ecological strategies to prevent soil degradation in the benchmark sites were designed within two major topics: (i) strategies related to land use planning at a regional level: segregation of agricultural lands, restoration of marginal areas, diversification of crop rotation, and identification of vulnerability areas; and (ii) those related to land management planning at a farm level: organic matter restoration, formulation of tillage practices and workability timing, optimum machinery use, and input rationalization. The predicted results of applying the 12 agro-ecological land evaluation model constituents of MicroLEIS DSS are presented and discussed for each application site. The main conclusion of this paper is that using soil type information in decision-making is at the heart for sustainable use and management of agricultural land. This agro-ecological approach can be especially useful when formulating soil-specific agricultural practices to reverse environmental degradation, based on the spatial variability of soils and related resources.  相似文献   

20.
Recent changes in the Common Agricultural Policy (CAP) introduced different definitions regarding the eligibility of various types of land used by grazing animals. In particular, shrublands and other low-quality areas which have traditionally been used as grazinglands are now not eligible for European Union income support payments. Subject to these changes, a large part of livestock farms will be affected, being partially or fully deprived of EU income support. In addition to these policy-driven changes, pasture-fed livestock farms in Greece are faced with a unique system of grazingland allocation, as all grazing areas in the country are state-owned. These areas are allocated for a short period either directly to farmers who are permanent residents of the Municipalities or to other livestock farmers through an auction system, which does not take into account the grazing capacity thus bringing about environmental degradation. This paper investigates the effects of CAP changes and of this communal land allocation system based on the findings of a typological analysis. The study focuses on a typical Greek territory in terms of land uses, economic activities and sociodemographic developments. Data from a questionnaire survey are used to build a typology of local livestock farms in terms of their nutritional management and land use characteristics and then the profile of each type is investigated through the estimation of a Multinomial Logit Model where the dependent variable is the cluster participation. Three distinct types of farms (clusters) are determined. Cluster 1 includes traditional farms which rear sheep and goats and bovine for meat, which are highly dependent on grazingland uses and EU income support. Cluster 2 farms – mainly sheep and goat – have evolved a ‘double’ dependency on land in the form of grazingland but also of cropland for feedstuff production, which renders them more resilient to policy changes. Finally, Cluster 3 farms are intensive dairy cattle farms and use artificial (cultivated) privately-owned grazinglands and cropland for feedstuff production. Market-oriented measures are proposed for each type and suggestions for an integrated land use plan are made, including long-term leasing of land and the consideration of environmental criteria for land allocation, thus rendering farmers responsible for keeping their land in a good production state.  相似文献   

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