Scholarly record

EXPLORING THE TRADE-OFFS BETWEEN SOIL FUNCTIONS AT LOCAL SCALE

Kristine Valujeva

Abstract

Soil provides many ecosystem services, therefore sustainable soil management, soil protection and ability to deliver ecosystem services are major concern worldwide. The growing demand for food and fiber, increases pressure on delivery of other ecosystem services provided by soil, namely water purification and regulation, carbon sequestration and regulation, nutrient cycling and provision of habitat for biodiversity. In this context, Functional Land Management framework was developed to optimise rather than maximize the delivery of those five soil functions related to agricultural land use. Latvia has specific challenge: from one side it is a development of the traditional bioeconomy sectors, namely agriculture and forestry, to its potential, but from another side there is an international commitment to reduce GHG emissions. Therefore, in this study trade-offs and synergies between supply and demand of primary productivity, carbon regulation and biodiversity are explored to meet socio-economic and climate targets simultaneously. In Latvia, one of the opportunities how to achieve both targets is to return unmanaged and overgrown agricultural land to production with climate-smart land management practices. The aim of the study is to identify possible pathways for changes in land use and soil management at the local scale in order to increase the supply of both functions primary productivity and climate without compromise the supply of biodiversity.

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DOI resolver: doi.org/10.5593/sgem2019/3.2/s13.027

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