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Displaying 471 - 475 of 1605Common property protected areas: Community control in forest conservation
This paper examines the role of property rights and community control in promoting forest conservation, and extends the classic framework of the bundles of property rights to non-consumptive resources and ecosystem services. Common property resources are first contrasted with protected areas, and then combined to develop a conceptual framework for common property protected areas (CPPA). A case study of a communally owned forest reserve in Costa Rica shows how the CPPA model identifies various stakeholders and their roles, rights and responsibilities.
Diversity of arbuscular mycorrhizal fungi in the rhizosphere of Asteriscus maritimus (L.) Less., a representative plant species in arid and saline Mediterranean ecosystems
Native arbuscular mycorrhizal fungi (AMF) from saline areas could be a critical issue for success in recovering areas affected by salinity, either in natural environments or in agricultural lands. Despite its important role, there is little information on the distribution and abundance of the different mycorrhizal associations in saline environments in European Mediterranean areas. In the present study the community of AMF is investigated in the rhizosphere of a representative plant species adapted to saline Mediterranean areas, Asteriscus maritimus.
Can intra-aggregate pore structures affect the aggregate's effectiveness in protecting carbon?
Aggregates are known to provide physical protection to soil organic matter shielding it from rapid decomposition. Spatial arrangement and size distribution of intra-aggregate pores play an important role in this process.
Organic matter fraction and pools of phosphorus as indicators of the impact of land use in the Amazonian periphery
The unsustainable use of the soil of the deforested area at the Amazonian border is one of the greatest threats to the rainforest. Among the causes of land degradation in the humid tropics are phosphorus depletion (P), the decrease of soil organic matter (SOM) and the loss of basic cations.
Impact of rainwater harvesting on water resources of the modder river basin, central region of South Africa
Along the path of water flowing in a river basin are many water-related human interventions that modify the natural systems. Rainwater harvesting is one such intervention that involves collecting and use of surface runoff for different purpose in the upstream catchment. Increased water consumption at upstream level is an issue of concern for downstream water availability to sustain ecosystem services.