The Impact of Tourist Activities on PO43- Concentrations and Aquatic Algae Growth at the Huanglong Scenic Spot, Sichuan Province
旅游活动对黄龙景区磷酸盐浓度和水藻生长的影响

The Huanglong scenic spot,well known for its unique natural landscape,was listed by UNESCO in 1992 as an entry in the World's Nature Heritage,and has attracted tens of thousands of tourists from various counties of the world every year.Due probably to the impact of tourist activities in recent years,Huanglong travertine landscape has shown serious degradations,one of which is the accelerated algae propagation and travertine darkness.To understand whether this degradation has relation with tourist activities...