Notes and Study material for Exams
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
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
Environmental concerns of tourism Industry, both positive and negative effects including Climate change with reference to Himachal Pradesh Environmental concerns of tourism All too often, the Environment is the ultimate victim of development and expansion. Growth pressures have seen Dharamshala’s boundaries encroach on previously untouched land as the local Population and tourist demands … Read more
Wetland Farming: A Sustainable Approach to Agriculture The world’s population is growing, and with it, the demand for food. Conventional agriculture, however, is facing increasing pressure from climate change, resource depletion, and environmental degradation. This has led to a growing interest in sustainable agricultural practices, including wetland farming. Wetland farming, also known as paddy rice … Read more
Fresh water Ecosystems– The salt content of fresh bodies is very low, always less than 5 ppt (parts per thousand). E.g lakes, ponds, pools, springs, streams, and rivers Marine ecosystems – the water bodies containing salt concentration equal to or above that of sea water (i.e., 35 ppt or above). E.g shallow seas and … Read more
Any – body of standing water, generally large enough in area and depth, irrespective of its hydrology, ECOLOGY, and other characteristics is generally known as lake. Ageing of Lakes The nutrient enrichment of the lakes promotes the Growth of algae, aquatic Plants and various Fauna. This process is known as natural eutrophication. Similar nutrient … Read more