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In forestry, periodic annual increment (PAI) is the change in the size of a tree between the beginning and ending of a growth period, divided by the number of years that was designated as the growing period. [1] For sigmoid growth, the graph of PAI increases rapidly and then quickly declines, approaching zero. PAI may go negative if a tree ...
Today, forest and woodland cover in Uganda stands at 49,000 km 2 or 24% of the total land area. Of these 9,242.08 km 2 is tropical rainforest , 350.60 km 2 are forest plantations and 39,741.02 km 2 is woodland. 30% of these areas are protected as national parks , wildlife reserves or central forest reserves .
The mean annual increment (MAI) or mean annual growth refers to the average growth per year a tree or stand of trees has exhibited/experienced up to a specified age. For example, a 20-year-old tree that has a stem volume of 0.2 m 3 has an MAI of 0.01 m 3 /year.
Graph of mean annual increment. Biologists use the concept of maximum sustainable yield (MSY) or mean annual increment (MAI), to determine the optimal harvest age of timber. MSY can be defined as “the largest yield that can be harvested which does not deplete the resource (timber) irreparably and which leaves the resource in good shape for ...
In 2022, the National Forestry Authority (NFA) cleared the Fisheries Protection Unit (FPU) of the Uganda People’s Defence Forces to sustainably occupy part (one acre) of Kitubulu Central Forest Reserve in Entebbe Municipality. The FPU was given permission for one year to temporarily establish its headquarters and a storage facility for ...
In Uganda, a Central Forest Reserve is a body of forest or woodland managed by the National Forestry Authority (NFA) under the National Forestry and Tree Planting Act 8/2003. [1] The NFA is mandated to manage all 506 Central Forest Reserves in Uganda. [2] [3] [4] These reserves are part of the protected areas of Uganda.
The National Forestry Authority (NFA) in Uganda oversees the management of Nyabyeya Central Forest Reserve as a component of the Central Forest Reserve system. All 506 of Uganda's Central Forest Reserves , which together comprise around 12,657.47 square kilometers and make up 6.3% of the country's total land area, are managed by the NFA.
In Uganda, a Local Forest Reserve are managed by the National Forestry Authority (NFA) under the National Forestry and Tree Planting Act 8/2003. [1] [2] The NFA is mandated to manage all 506 Forest Reserves in Uganda. [3] [4] [5] These reserves are part of the protected areas of Uganda. List of Local Forest Reserves in Uganda: [6] [2]