Environment

Biosphere is a part of the earth where life can exist. represents a highly integrated and interacting zone comprising of atmosphere (air), hydrosphere (water) and lithosphere (land) Life in the biosphere is abundant between 200 metres (660 feet) below the surface of the ocean and about 6,000 metres (20,000 feet) above sea level. absent at … Read more Biosphere

  Aquatic systems are not called biomes, The major differences between the various aquatic zones are due to salinity, levels  of dissolved nutrients; water temperature, depth of sunlight penetration.   Fresh Water Ecosystem-Fresh water ecosystem are classified as lotic (moving water) or lentic (still or stagnant water).   Marine Ecosystem- Estuaries-Coastal bays, river mouths and … Read more Aquatic Zones

Biome The terrestrial part of the biosphere is divisible into enormous regions called biomes, which are characterized, by climate, vegetation, animal life and general soil type. No two biomes are alike. The most important climatic factors are temperature and precipitation. Tundra- Northern most region  adjoining the ice bound  poles. Devoid of trees except stunted shrubs … Read more Biomes and Its types

  Niche:- a  description  of  all  the  biological,  physical  and  chemical  factors  that  a  species needs to survive, stay healthy and reproduce. No two species have exact identical niches. Niche plays an important role in conservation of organisms. Types of Niche Habitat niche – where it lives Food niche – what is eats or decomposes … Read more Niche

  Natural Ecosystem- Terrestrial- Forests, Grasslands, Deserts Aquatic- Fresh Waters, Saline Waters, Marine Waters Ecotone :- a zone of junction between two or more diverse ecosystems. For e.g. the mangrove forests represent an ecotone between marine and terrestrial ecosystem. Characteristics of Ecotone It may be very narrow or quite wide. It has the conditions intermediate … Read more Classification of Eco-system

  The components of the ecosystem is categorised into abiotic of non-living and biotic of living components. Both the components of ecosystem and environment are same.   Abiotic Components the inorganic and non-living parts of the world.  consists of soil, water, air, and light energy etc.  involves a ,large number of chemicals like oxygen, nitrogen-, … Read more Components of Ecosystem

    Ecology is  defined “as a scientific study of the relationship of the living organisms with each other and with their environment.” The classical texts of the Vedic period such as the Vedas, the Samhitas, the Brahmanas and the Aranyakas-Upanishads contain many references to ecological concepts .The Indian treatise on medicine, the Caraka- Samhita … Read more ECOLOGY- An Introduction

 Act of 1991 To regulate development activity on India’s coastline The approach adopted by the first notification was to define the ‘High Tide Line’ and ‘Coastal Regulation Zone’ and thereafter specify the activities permitted and restricted in the vicinity of the CRZ This regulated zone was further divided into four categories (CRZ 1-4) as per permitted … Read more Coastal Regulation Zone

Wetland Conservation Programme Wetlands are lands transitional between terrestrial and aquatic system where the water table is usually near the water surface and land is covered by shallow water. Essential as: control floods, water treatment, recharging of water sources, reduce sediments, check soil erosion, bulwark against encroachment by the sea, winter resort for birds and … Read more Wetland Conservation Programme, Ramsar Convention and The Montreux Record.

Bruntland Report (1983) was the first publication and recognition of the term ‘Sustainable Development’ “meeting the needs of the present generation without compromising the needs of the future generation” Three pillars of sustainable development (Bruntland) Care and respect for People, Planet and Prosperity (Commercial Activities) <hence poverty alleviation, conservation and business development> These three pillars … Read more Sustainable Development