Abstract:
water. Jater is indispensible for the existence and evolution of plant and animal ec os yst em . .fat er is a factor of climatic and soil conditions from which it follows that its quantity and quality in the atmosphere and in the soil, have a bearing on the ecosystems. :later forms an essential part of the plant protoplasm. It is on important constituent of photo-synthesis end an indispensible means of nutrition for plants. In animal ecos-ystem water plays a prominent role as a port of the protoplasm. At the some time it acts as a solvent of inorganic and organic substan-ces. It is also an essential component of body liquid.
