The maximum quantity of water on earth belongs to oceans - 96.5 per cent of the total. Only 0.2972 per cent of the total is freshwater, which is needed for meeting human needs, and it comes mainly from lakes, river flows and groundwater aquifers.
A small group of ecologists is looking beyond the pristine to study the scrubby, feral and untended. Emma Marris learns to appreciate 'novel ecosystems'.
Though acquatic weeds such as water hyacinth play a vital role in the acquatic ecosystem, congestion of the weeds in wetlands could hamper the general productivity of the ecosystem.
Taking the matter of growing pressure on forest resource seriously priority on scientific management in letter and spirit should be given and sustainable use of forest products without affecting forest health is the need of the hour.
Lieutenant-Governor Tejendra Khanna is proposing to convert the 22-kilometre Yamuna riverbank stretch into a biodiversity zone, seen by experts as a radical ecological solution to the dying river.
Biodiversity is the source of all ecological goods and services that constitute the source of living of all. India is not only gifted with geographical, climatic, cultural and social diversity but is also endowed enormously with biological diversity.