In this book, the authors gather and present current research in the study of the types, threats and management of pine forests. Topics discussed include the sustainability of harvested stands of ponderosa pine forests; climatic and anthropogenic threats to the semi-arid inner Asian pine forests; fructification and species conservation on pinus halepensis Mill forests in Tunisia; evapotranspiration in pinus sylvestris and pinus uncinata forest plots from a water balance component measurement; genetics studies of the Brazilian pine forest ecosystem; potential carbon sequestraion for forest soils under pinus halepensis using RothC models and pine forest species and threats in Israel.