02 Contents Frame
viii. Comparison of land use with land
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40 2019 ND-CP 413905
- Điều hướng trang này:
- Environmental impact and risk assessment
- Agro-environmental indicators to assess, monitor and evaluate sustainability
| viii. Comparison of land use with land
Matching of requirements The focal point in the evaluation procedure is where the various data are brought together and compared, the comparison leading to the suitability classification. These data are: ¾the relevant kinds of land use and their requirements ¾the land mapping units and their land qualities, limitations and functions ¾the economic and social conditions. The comparison of land use with land was described in the original Framework and is not repeated here. Environmental impact and risk assessment The importance of environmental impact and risk assessments has grown enormously over the past 30 years. The implementation in this stage involves a multidisciplinary approach where the expertise of research domains such as spatial and environmental modelling needs to be involved (see Annex 3). Agro-environmental indicators to assess, monitor and evaluate sustainability Objective and measurable criteria with potential to compare between areas and monitor changes over time are needed to describe the condition and management of land resources and the pressures exerted upon the land (Young 1998). International organizations have initiated programmes on developing measurable and policy-relevant environmental indicators (OECD 1997; UN 1995) to monitor progress in reaching sustainable development, as defined in Agenda 21 (UNCED 1993). The pressure-state- response approach (Pieri et al., 1995) provides a framework to develop land quality indicators and to consider and analyse pressures upon land resources, changes in the state of the land and responses by society to these changes, within the context of policy and natural resource management. Multiple stakeholders are involved in moulding the desirable goal of sustainable natural resource management and each group may find different indicators relevant to their reasons for monitoring change. Integrating these different perspectives, particularly those of local people, into indicators could lead to a better understanding of the processes that cause change (ILEIA 1996; Abbot and Guijt 1998). Another issue is the level of spatial and conceptual aggregation. The design of effective indicators at a continental scale requires a high level of both conceptual and spatial aggregation (Niemeijer 2002), whereas specific and local management interventions may require a larger set of detailed indicators to be developed at a higher resolution. tải về 0.57 Mb. Chia sẻ với bạn bè của bạn:
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