In addition, Marco Polo sheep and mountain goats are hunted for trophy and sold for hard currency. Although no reliable statistical data according to the opinion of national experts and government officials, degradation of forests and arable land, overcollection, and poaching have all contributed to the considerable declines in these species’ populations. Commercial fishing in Lake Issyk-Kul and Lake Son-Kul is limited to 200-300 kg per year. However, most of the trade is from poaching, and, thus lies outside these official limits. Such medicinal plants are collected and sold through special trade associations.