Embryonic development of Podocnemis unifilis (Testudines: Podocnemididae)

Exploring the Value of Strengthening Natural Environment Protection to Enhance the Competitiveness of Urban Tourism

“…The construction of transportation facilities in tourist areas, the state of social security, the level of management, the reasonableness of land use, the level of prices, the cultural level of residents, the degree of social civilization, the friendly attitude to the outside world and the leave system may affect the development and spatial layout of ecotourism areas to some extent at any time. In recent years, the rapid development of China's national economy, the continuous adjustment and improvement of the leave system, as well as the increase of paid holidays and legal holidays, residents have more and more time and economic expenditure for tourism and leisure, and tourism resources suitable for subUT have been effectively developed, effectively expanding the regional tourism network and greatly changing the regional spatial layout [2,3].…”