Earth is referred to as Biosphere - 1. Biosphere - 2 is a unique self-sustaining man-made artificial ecosystem, which has been constructed near Tucson in the Arizona desert (USA). The building is airtight and encloses 3.15 acres area. It is totally independent except for sunlight. It has a variety of natural living systems, which include a tropical rainforest, lakes, a [...]
Some of the important types of Biogeochemical Cycles: Hydrologic Cycle, Gaseous Cycles and Sedimentary Cycles! Nearly 30 to 40 elements are required for proper growth and development of living organisms. Most important of these are C, H, O, P, K, N, S, Ca, Fe, Mg, B, Zn, CI, Mo, Co, I and F. These materials flow from abiotic to biotic [...]
Read this article to learn about 7 Effects of Air on Vegetation ! (i) Wind increases the water loss by constantly removing the air saturated with water vapour from the intercellular spaces of the leaves and bringing unsaturated air in contact with leaves and young shoots. (ii) Mechanically, wind causes erosion of soil and abrasion of vegetation through removal of [...]