A spatially explicit population model written in C++ programming language is used in
this study examining the population dynamics of the Desert Tortoise (Gopherus
agassizii) in the California Mojave Desert. The model is constructed with hexagonal
divisions of space, and with one-year increments of time. Four thematic maps: vegetation,
soil...
Data were collected and investigated on 33 communes, 86 villages with a total area of 22,000 ha lagoon. The research are applied with quantitative and qualitative applications. The results were conducted in stable livelihood in the long-term, ensuring life. The results were showed the thousand of residents, the socio-economic situation,...
Tam Giang - Cau Hai lagoon systems covered over 22.000 ha, along coastal region from North to South of Thua Thien Hue with 70 km and more than 400.000 inhabitants are living around in lagoon systems. There are many livelihood activities as fishing, aquaculture and farming. Aquaculture systems are diversified:...
