SUSTAINABILITY 51


on productivity. In this context, adequate soil management and the conservation of native Caatinga species such as carnauba play a key role in sustaining natural ecosystem processes. According to Freitas,3


these practices are


essential for maintaining biogeochemical cycles, particularly carbon, sulphur, phosphorus and nitrogen, as soil enzymatic activity supports the decomposition of organic matter associated with these cycles. Canopy cover further contributes to


microclimate regulation by attenuating solar radiation, lowering soil surface temperatures and reducing evapotranspiration. This creates more favourable conditions for understorey vegetation, soil microbial activity and nutrient cycling. From a biodiversity perspective, carnauba-


dominated systems act as ecological refugia, providing habitat and resources for avian, invertebrate and microbial communities, particularly during prolonged dry seasons. Consequently, conserving standing carnauba populations within regenerative extractivist systems supports ecosystem services that extend well beyond wax production, reinforcing ecological stability and functional resilience at the landscape scale.


Technical management and traditional knowledge systems Regenerative extractivism relies on the alignment of harvesting practices with natural regeneration


rates and well-defined ecological thresholds. For carnauba, technical management protocols specify exclusion criteria that prevent the removal of young or actively regenerating leaves. Such measures ensure that harvesting intensity remains within the biological regenerative capacity of the species, thereby supporting long-term productivity and ecosystem stability. Such technical guidelines are reinforced


by centuries-old traditional knowledge held by local harvesting communities. Experienced harvesters recognise the importance of allowing carnaubais to rest, often by alternating harvest


years. Knowledge transmitted across generations indicates that this practice not only protects palm health, but is also associated with improvements in wax yield and quality over time. The integration of ancestral knowledge with


contemporary technical standards strengthens local economies while preserving the ecological integrity and cultural significance of a species that has sustained regional livelihoods for centuries.


Leaf-only extraction, carbon sequestration, and soil health A defining feature of regenerative carnauba extractivism is leaf-only harvesting. Unlike timber or whole-plant removal, this approach preserves the structural integrity and long-term viability of the palm, allowing sustained productivity without compromising ecosystem function. From a carbon perspective, it enables continuous biomass accumulation while avoiding emissions associated with vegetation removal and land-use change. As a perennial species, Copernicia prunifera


acts as a long-term carbon sink, storing carbon in above-ground biomass, roots, and soils. Preserving standing vegetation is widely recognised as an effective climate mitigation strategy within land- based production systems. Carbon retention is supported by several mechanisms, including maintenance of biomass stocks, continuous root turnover contributing to soil organic carbon, and the absence of synthetic fertilisers or irrigation, which reduces


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June 2026 PERSONAL CARE MAGAZINE


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