Notes and Study material for Exams
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
The Convention on Biological Diversity: A Global Pact for Life on Earth The Convention on Biological Diversity (CBD), adopted in 1992 at the Earth Summit in Rio de Janeiro, is a landmark international agreement that aims to conserve biological diversity, use its components sustainably, and share the benefits arising from the utilization of genetic resources. … Read more
Land Resources: In terms of area India ranks seventh in the world with a total area of 32, 87.263 sq. km. (32.87 crore hectare). It accounts for 2.42% of total area of the world. In absolute terms India is really a big country. However, land man ratio is not favourable because of the huge Population … Read more
Eco-System-An ecosystem is defined as a structural and functional unit of Biosphere consisting of community of living beings and the physical Environment, both interacting and exchanging materials between them. It includes Plants, trees, animals, fish, birds, micro-organisms, water, Soil, and people. When an ecosystem is healthy (i.e. sustainable) it means that all the Elements live … Read more
Techniques of Irrigation and Soil conservations and soil Health cards Techniques of irrigation Surface Irrigation In this method water flows and spreads over the surface of the land. Varied quantities of water are allowed on the fields at different times. Hence, flow of water under surface irrigation comes under unsteady flow. As a result it … Read more
Integrated Development of Wildlife Habitats (IDWH): Protecting India’s Biodiversity India, a land of unparalleled biodiversity, boasts a rich tapestry of flora and fauna, ranging from the snow-capped Himalayas to the sun-drenched tropical rainforests. This biodiversity is not just a source of national pride but also a vital asset for the country’s economy, culture, and well-being. … Read more
Synergistic Cropping: A Path Towards Sustainable and Productive Agriculture The global population is projected to reach 9.7 billion by 2050, demanding a significant increase in food production. However, conventional agricultural practices are facing mounting challenges, including dwindling natural resources, climate change, and environmental degradation. This necessitates a shift towards sustainable and efficient agricultural systems. Synergistic … Read more
Usefulness of Plants and human affairs (utility) Food Plants are the main source of food for humans. Plants, unlike humans and animals, manufacture their own food. They do so by the process known as Photosynthesis in their green leaves by use of sunlight. They can convert and store the Light energy in the … Read more
Unveiling the Tapestry of Life: Exploring Species Richness and its Significance The Earth teems with an astonishing array of life, from the microscopic bacteria in the soil to the towering redwoods that pierce the sky. This incredible diversity, known as biodiversity, is the foundation of our planet’s ecosystems and the very fabric of life itself. … Read more