hills , streams, beaches by land . based on this advantage local authorities intensified campaign to encourage people to plant trees arrowroot in the policies of the provincial and district levels , not only promote , but also potentially raise land revenue . understanding the economic value of this...
, sand sea cucumber holothuria scabra ( sand sea cucumber ) distribution is concentrated in the provinces of phu yen , khanh hoa , ninh thuan , binh thuan . in particular , in the waters of binh thuan , phu quy island 's former capital rich fishing grounds of the sand sea cucumber species . however,...