The Tanzanian mainland is estimated to have a total of 48 million ha of forest, which is 51 per cent of the total area, with woodlands occupying about 90 per cent of the total forest area and the remainder being shared by mangrove forests, montane forests, small patches of coastal forests, and plantations of softwood and hardwood (NAFORMA, 2014). Other services that are also important for the economy, such as the ability of forest soils to purify water for domestic and industrial use, regulate runoff to support hydroelectric power generation, sequester carbon, etc., The current contribution of the forestry sector to the country's gross domestic product (GDP)3 is 3 per cent (National Bureau of Statistics, Ministry of Finance 2013).