The savannah is not a desert. It is a distinct biome of its own, a transition zone between a desert and a grassland. Therefore, your question is invalid as written.
Decomposers are found in the desert.
Bacteria and fungi are decomposers in the desert.
There is no such thing as a 'Savannah Desert." The Savannah is a distinct biome and not a desert.
The savannah-desert region is quite arid.
The main decomposers in any biome, including the desert, are bacteria and fungi.
Bacteria and fungi are the main decomposers in a desert as well as in other biomes.
Bacteria and fungi are the principal decomposers in any biome, including the desert.
The Savannah is not a desert but it is a cross between a desert and a grassland. It is south of the Sahara Desert and is in mid-central Africa. Nigeria, Central African Republic, and South Sudan are countries in the Savannah. It can be spelled "Savannah" or Savanna"
Decomposers that burrow in the sand and are found in the desert include worms and beetles. There are also millipedes.
Fungi are the only plants that are decomposers.
There is no such thing as the 'Savannah Desert.' The savannah is a distinct biome from the desert. It is a transition zone between two biomes such as a rainforest and grassland or desert. Savannahs receive more rainfall than a desert.
There is no 'Savannah Desert.' The savannah is a separate biome and is a transition zone between a desert and another biome, such as a grassland. It receives a bit more rain than a true desert.