Abstract
In Tanzania, miombo woodland is the most significant forest vegetation with both ecological and socioeconomic importance. The vegetation has been threatened from land use and cover change due to unsustainable utilization. Over the past two decades, community based forest management (CBFM) has been practiced to address the problem. Given the current need to mitigate global climate change, little is known on the influence of CBFM to the land use and cover change in miombo woodlands and therefore compromising climate change mitigation strategies. This study explored the dynamic of land use and covers change and biomass due to CBFM and established the implication to climate change mitigation. The study revealed increasing miombo woodland cover density with decreasing unsustainable utilization. The observed improvement in cover density and biomass provides potential for climate change mitigation strategies. CBFM also developed solidarity, cohesion, and social control of miombo woodlands illegal extraction. This further enhances permanence, reduces leakage, and increases accountability requirement for carbon credits. Collectively with these promising results, good land use plan at village level and introduction of alternative income generating activities can be among the best options to further reduce land use change and biomass loss in miombo woodlands.
Highlights
Miombo woodland is a vernacular word that has been adopted by ecologists to describe those woodlands dominated by trees of the genera Brachystegia, Julbernardia, and Isoberlinia Leguminosae, subfamily Caesalpinioideae [1, 2]
Between 1990 and 1999 the average annual flux of carbon to the atmosphere due to land use and cover change in miombo woodlands was estimated at 0.35 ± 0.2 GtC year−1 [19, 24, 25]
Challenges still remain on economic benefits and welfare improvement [30, 33, 36], in miombo woodlands [13, 42]. This is not withstanding; Tanzania is one of the leading countries of Africa legally practicing forest management based on community based framework [7, 35, 36]
Summary
Miombo woodland is a vernacular word that has been adopted by ecologists to describe those woodlands dominated by trees of the genera Brachystegia, Julbernardia, and Isoberlinia Leguminosae, subfamily Caesalpinioideae [1, 2]. As a result land use and forest cover change in the tropics and miombo woodlands remain an enormous challenge with concomitant social, environmental, and economic implications [9, 16]. Between 1990 and 1999 the average annual flux of carbon to the atmosphere due to land use and cover change in miombo woodlands was estimated at 0.35 ± 0.2 GtC year−1 [19, 24, 25]. Challenges still remain on economic benefits and welfare improvement [30, 33, 36], in miombo woodlands [13, 42] This is not withstanding; Tanzania is one of the leading countries of Africa legally practicing forest management based on community based framework [7, 35, 36]. This study examined land use and covers change in miombo woodlands under CBFM and established the implication for climate change mitigation policy
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