At current rate seawater will turn acidic by century end. Human activities affect ocean dynamics. HUMAN activities are affecting the ocean, altering its composition and damaging it bit by bit. Several researchers have documented this, but as isolated cases.

Biomass estimation and productivity studies were conducted in 3, 6 and 9 years old plantations of Dalbergia sissoo in sodic lands of Sultanpur District in Eastern Uttar Pradesh, India. A set of regression equations for biomass production per unit area was also developed to be applied on regional basis.