Abstract
The life-form and primary productivity of a grassland community located at Rangamatia of Mayurbhanj district, Odisha (21 0 56' N; 86 0 41' E). The floristic composition of the grassland community comprised of 36 species (15 were grasses and 21 were non - grasses). Cynodon dactylon, Digitaria abludens, Eleusine indica, Vetiveria zizanioides among the grasses and Phyllanthus fraternus and Sida cordifolia among the non-grasses were found dominant during the study period. The life-form of the community consisted of the class Chamaephytes 27.78%, Hemicryptophytes 25%, Cryptophytes (Geophytes) 16.67% and the Therophyte 30.55%. Phanerophytes were found to be absent. The annual grass production was found to be 3289.53 g m -2 yr -1 . The non-grass production showed maximum in the month of June (868.55 g m -2 ) and minimum in the month of September (141.11 g m -2 ). The annual non-grass production was found to be 2246.10 g m -2 yr -1 . The study of lifeform and primary productivity helps to recovery of the natural ecosystems to the earlier balanced state and preservation the biodiversity of grassland community in world.
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