Lime forests    Till relatively recently, forests with prevalence of lime (Tilia spp.), preferentially T. amurensis, occupied more or lessa significant areas only in the lower belt of Sikhote Alin Mountains and on foothill elevations of the Hanka-Ussuri plain. Their habitats include gently sloping and medium-steep preferentially northerly slopes and gently sloping low watersheds with stable soil humidification regime. At present, the area of forests with prevalence of Tilia spp. has considerably increased at the expense of forests where Tilia was a concomitant species and had become prevalent after felling of coniferous species. Lime forests are the principal bases of bee keeping in Primorye and consequently felling of lime is prohibited.