Why Does Natural Capital Matter for Biodiversity-Sensitive Farming?

FRAMEwork has released evidence showing that ecological health directly supports crop production and long-term farm profitability, bridging the divide between conservation and productivity.

The natural capital approach views farms as integrated systems where soil, water, habitats, and biodiversity underpin essential ecosystem services. FRAMEwork has released a comprehensive analysis testing this approach at Cranborne Chase farmer cluster in England, revealing critical insights for policy reform and landscape-scale planning. The evidence bridges the traditional divide between production and conservation, demonstrating that they are complementary rather than competing objectives.

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Measuring environmental performance and economic value

Cranborne Chase covers 20,000 hectares across 19 farms with intensive conventional agriculture at nearly 200 kilograms of nitrogen per hectare annually, compared to the European average of 68 kilograms. This intensity, whilst producing high yields, creates pressure on soil, water, and biodiversity. Analysis using the Natural Asset Profiling method measured 24 environmental indicators across atmosphere, water, land, and biodiversity dimensions, providing a comprehensive assessment of farm system health.

Results showed that hedgerow expansion directly correlates with pollinator diversity. To raise the Shannon diversity index from 0.7 to 0.8, hedgerows would need to expand by approximately 200 per cent, requiring 2.4 per cent of farmland reallocated from crop production to permanent habitats. Economic modelling revealed soil regeneration practices deliver substantial returns. Avoiding soil erosion of 0.7 tonnes per hectare annually provides marginal crop benefits of 500 pounds per hectare. Soil conservation contributes to 28 per cent of crop production—demonstrating that soil conservation is not merely an environmental benefit but an economic imperative for sustainable production and long-term farm viability.

Policy implications for landscape-scale change

Expanding hedgerows to 10 per cent of agricultural land, as recommended by the EU Biodiversity Strategy 2030, could generate revenue losses near 20,000 pounds per farm, requiring targeted subsidy incentives around 600 pounds per hectare to compensate farmers for lost production. However, improving soil retention from 0.7 to 1.2 tonnes per hectare per year could reduce nitrogen fertiliser use by approximately 33 kilograms per hectare, generating input cost savings around 13,200 pounds per farm—offsetting some subsidy requirements through operational efficiencies. Long-term monitoring is essential, as changes in natural capital may manifest only after several years of implementation.

Policies should integrate biodiversity considerations into land-use planning, dedicating at least 10 per cent of farmland to natural features. Governments, NGOs, and the private sector must collaborate on practical implementation. The Common Agricultural Policy should promote community-led biodiversity-sensitive practices through landscape-scale initiatives, recognising both environmental goals and farm viability. Flexible incentive schemes combining biodiversity payments with technical support can accelerate adoption.

Explore this policy analysis at https://zenodo.org/records/17304889 and the Farmland Ecosystem Assessment Support Tool. Visit https://www.framework-biodiversity.eu/publications for additional resources.