Placing land degradation and biological diversity decline in a unified framework: Methodological and conceptual issues in the case of the north Mediterranean region
Identifieur interne : 000072 ( Main/Exploration ); précédent : 000071; suivant : 000073Placing land degradation and biological diversity decline in a unified framework: Methodological and conceptual issues in the case of the north Mediterranean region
Auteurs : V. Detsis [Grèce]Source :
- Land Degradation & Development [ 1085-3278 ] ; 2010-09.
Descripteurs français
- Wicri :
English descriptors
- KwdEn :
- Abandonment, Agricultural abandonment, Aquifer, Aquifer recharge, Arianoutsou, Arid environments, Biodiversity, Biological conservation, Biological diversity, Biological diversity decline, Canopy vegetation, Central spain, Climate change, Coastal areas, Common mechanisms, Community synthesis, Copyright, Cultivation abandonment, Cultivation terraces, Dahlem university press, Degradation, Detsis, Different mechanisms, Different processes, Diversity, Eastern iberian peninsula, Ecology, Ecosystem, Environmental management, Erosion rates, Extreme rainfall events, Forest ecology, Former case, Freshwater, Freshwater resources, Functional group approach, General picture, Harokopio university, Human actions, Human activities, Human factors, Human management, Humans cause deserts, Iberian peninsula, Initial increase, Intensive cultivation, Intolerant species, Irrigated agriculture, John wiley sons, Land abandonment, Land degradation, Land degradation development, Land degradation processes, Land management, Land management practices, Land resources, Landscape ecology, Landscape heterogeneity, Landscape homogeneity, Landscape pattern, Landscape structure, Large number, Latter case, Limited number, Lloret, Mediterranean, Mediterranean basin, Mediterranean biodiversity land degradation, Mediterranean climate ecosystems, Mediterranean environment, Mediterranean europe, Mediterranean landscape, Mediterranean landscapes, Mediterranean region, Mediterranean vegetation, Mooney, Moreno, Negative consequences, Negative effects, Negative results, Northern mediterranean, Northern mediterranean region, Northern part, Other hand, Particular land, Plant ecology, Positive effects, Recent dynamics, Rural areas, Same direction, Short intervals, Soil erosion, Spatial scale, Species richness, Stafford smith, Straightforward manner, Surface waters, Synergy, Temporal scales, Tourism, Tourism development, Tourist resorts, Urban growth, Urban planning, Vegetation, Vegetation regeneration, Water conservation structures, Water erosion, Water resources, Wild vegetation.
- Teeft :
- Abandonment, Agricultural abandonment, Aquifer, Aquifer recharge, Arianoutsou, Arid environments, Biodiversity, Biological conservation, Biological diversity, Biological diversity decline, Canopy vegetation, Central spain, Climate change, Coastal areas, Common mechanisms, Community synthesis, Copyright, Cultivation abandonment, Cultivation terraces, Dahlem university press, Degradation, Detsis, Different mechanisms, Different processes, Diversity, Eastern iberian peninsula, Ecology, Ecosystem, Environmental management, Erosion rates, Extreme rainfall events, Forest ecology, Former case, Freshwater, Freshwater resources, Functional group approach, General picture, Harokopio university, Human actions, Human activities, Human factors, Human management, Humans cause deserts, Iberian peninsula, Initial increase, Intensive cultivation, Intolerant species, Irrigated agriculture, John wiley sons, Land abandonment, Land degradation, Land degradation development, Land degradation processes, Land management, Land management practices, Land resources, Landscape ecology, Landscape heterogeneity, Landscape homogeneity, Landscape pattern, Landscape structure, Large number, Latter case, Limited number, Lloret, Mediterranean, Mediterranean basin, Mediterranean biodiversity land degradation, Mediterranean climate ecosystems, Mediterranean environment, Mediterranean europe, Mediterranean landscape, Mediterranean landscapes, Mediterranean region, Mediterranean vegetation, Mooney, Moreno, Negative consequences, Negative effects, Negative results, Northern mediterranean, Northern mediterranean region, Northern part, Other hand, Particular land, Plant ecology, Positive effects, Recent dynamics, Rural areas, Same direction, Short intervals, Soil erosion, Spatial scale, Species richness, Stafford smith, Straightforward manner, Surface waters, Synergy, Temporal scales, Tourism, Tourism development, Tourist resorts, Urban growth, Urban planning, Vegetation, Vegetation regeneration, Water conservation structures, Water erosion, Water resources, Wild vegetation.
Abstract
The development of synergies between efforts to mitigate land degradation and biological diversity decline can enhance effectiveness, speed up implementation and avoid potential conflicts. Due to the variable nature of these processes and to the variable characteristics of the areas where they occur, there is no general rule linking land degradation and biological diversity decline. Thus, a geographically limited approach focusing on drivers of change may provide a more appropriate base upon which synergies can be built. This exercise is undertaken for the case of northern Mediterranean. Three related processes are discussed: land use change (in the form of agricultural abandonment and intensification, as well as urbanization), wildfires and overuse of freshwater resources. Agricultural abandonment stands out as it may or may not have adverse effects on land resources and it may promote either a reduction in biological diversity or a shift in community synthesis. Agricultural intensification affects adversely both biological diversity and land resources, though often through different mechanisms. Urbanization, by taking up space, wildfires, if they recur in short intervals or they are very extended spatially, and overuse of freshwater resources adversely affect both issues through common mechanisms. The fact that the various drivers may operate through different mechanisms and sometimes they do not even produce consistently positive or negative results calls for a site‐specific understanding of the mechanisms. As many of the processes generating these patterns are not reversible, e.g. intensification of agriculture or tourism growth, ways should be sought to reconcile them with conservation. Copyright © 2010 John Wiley & Sons, Ltd.
Url:
DOI: 10.1002/ldr.980
Affiliations:
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<front><div type="abstract" xml:lang="en">The development of synergies between efforts to mitigate land degradation and biological diversity decline can enhance effectiveness, speed up implementation and avoid potential conflicts. Due to the variable nature of these processes and to the variable characteristics of the areas where they occur, there is no general rule linking land degradation and biological diversity decline. Thus, a geographically limited approach focusing on drivers of change may provide a more appropriate base upon which synergies can be built. This exercise is undertaken for the case of northern Mediterranean. Three related processes are discussed: land use change (in the form of agricultural abandonment and intensification, as well as urbanization), wildfires and overuse of freshwater resources. Agricultural abandonment stands out as it may or may not have adverse effects on land resources and it may promote either a reduction in biological diversity or a shift in community synthesis. Agricultural intensification affects adversely both biological diversity and land resources, though often through different mechanisms. Urbanization, by taking up space, wildfires, if they recur in short intervals or they are very extended spatially, and overuse of freshwater resources adversely affect both issues through common mechanisms. The fact that the various drivers may operate through different mechanisms and sometimes they do not even produce consistently positive or negative results calls for a site‐specific understanding of the mechanisms. As many of the processes generating these patterns are not reversible, e.g. intensification of agriculture or tourism growth, ways should be sought to reconcile them with conservation. Copyright © 2010 John Wiley & Sons, Ltd.</div>
</front>
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