Eucalypt durable post study backedFriday 24 Feb 2023
“The study, led by NZ Dryland Forests Initiative (NZDFI) and based at the Marlborough Research Centre (MRC), will evaluate the potential for new eucalypt forests to sustainably supply naturally durable posts, timber and biomass for bioenergy for Marlborough’s wine industry and other local industries,” says Mr Penno. Project manager Paul Millen notes that certain eucalypt species are fast growing, drought tolerant, and produce strong, dense and naturally durable hardwood, which can be used outdoors without chemical treatment. “Untreated eucalypt timber posts in vineyards can last more than 20 years in the ground without contaminating the soil. NZDFI will receive NZ$262,300 towards the research through the Ministry for Primary Industries’ Sustainable Land Management and Climate Change fund. Marlborough Research Centre Trust will contribute NZ$10,000 and the University of Canterbury’s School of Forestry and four local landowners will provide NZ$115,500 in-kind. The project will develop models to show biomass accumulation and carbon storage for two key eucalypt species. It will assess these trees, including using innovative Light Detection and Ranging (LiDAR) drone technology to measure their biomass and carbon storage capabilities. It will also develop a business case to demonstrate how a 5,000-hectare durable eucalypt forest resource in Marlborough could offset emissions. “Marlborough vineyards alone span more than 30,000 hectares, containing more than 18 million posts predominately made from treated radiata pine,” says Mr Millen. “Planting eucalypts could boost sequestration, and provide a sustainable regional supply of naturally durable posts and other timber, as well as biomass to supply solid biofuel to the wine sector. Mr Penno says NZDFI has identified several regions where eucalypt forests could also be grown successfully. “The model developed by this new study has the potential to apply to other regions, mostly in the North Island. | ||
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