Ecotourism is growing business in Nepal due to domestic and international visitors. Specifically, natural lakes in Ramsar sites are very potential avenues for boating, scenic beauty and study the aquatic ecosystem. However Eichhornia crassipes has been threatening the beauty, ecosystem and eco-tourism business. This research was objectively carried out to explore income generation from ecotouri...


 The article presents the results of inventory checking objects natural and cultural heritage mankind. Preservation has been noted as an important task during any period in history. specifies what can be considered or We describe advantages status world site give to itself country a whole. existence UNESCO World Heritage List allows one identify number unresolved issues regarding protecti...

Evaluating the significance of protected areas for biodiversity and ecosystem services is important for nature conservation. In a recent issue of PNAS, Xu et al. (1) present valuable information on provision of biodiversity and ecosystem services by China’s nature reserves. They conclude that reserves serve bird populations moderately well. However, the importance of coastal wetlands for migrat...

The COVID-19 pandemic has caused (and continues to cause) severe disruption in global and local economies forced countries, societies, individuals adapt quickly the unprecedented unpredictable situations. Despite obvious negative consequences of pandemic, many have called for efforts identify transformative opportunities sustainable development throughout this disorderly time. In present paper,...

two hundred samples were taken from various sites in iran, including coal storage areas, waste water in the tabas and zirab coal mines, and sulphur containing acid springs in ramsar and abask , and were screened for thlobacillus ferruuxidans. during this investigation , seven strains were isolated which could oxidize sdphm , pyrite , thiosdphate and ferrous iron as the sole energy source. macro...