Tree species Diversity in Srikakulam and Vizianagaram of A.P.,India

Phytosociological studies to carried out during July 2008 to June 2011 to cover over all spectrum of vegetation. The structure of sociological order cannot be studied by observing each and every individual in an area. Some sort of vegetation sampling as to be done. The entire stretches of Eastern Ghats of both the districts are divided in to 6.25 km x 6.25km. grid, based on the toposheets obtained.The total study area divided in to two major sites i.e. Site-I (Srikakulam district) and Site-II (Vizianagaram district). The inventory of tree species was done in 106 different forest areas in Srikakulam (40) and Vizianagaram (66) districts. In each forest area (plot) one belt transect of size 1000x 5m were laid down randomly to study the trees ¿ 15 cm girth at breast height was measure in each of the study area . One belt transect of 5m x 1000m in each of the 6.25 km x6.25 km (grid) is a sampling protocol a total of 165 tree species, belonging to 119 genera and 50 families were recorded, and 160 are dicots and 5 are monocots