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...Quantification of ecosystem services in forest based ecosystems forests and woodlands are known for their contribution to rural livelihoods through production food fuel wood medicine however other natural also provide less tangible goods that fundamental human life such as sequestration carbon biodiversity conservation watershed protection erosion prevention micro climate control etc see table these can broadly be divided into ecological regulating economic supporting social cultural account a good understanding the functions process is required assessment valuation relatively new area research because many years people had little interest it were considered have or no value they not commercially marketable this has changed with increasing importance s daily conducted both monetary even more importantly non terms which requires supply demand relationships well methods intrinsic preferences multi criteria main threats drivers change population pressure leading degradation modification d...