by admin | May 29, 2015 | sem3
In-situ conservation In-situ conservation is on site conservation or the conservation of genetic resources in natural populations of plant or animal species, such as forest genetic resources in natural populations of tree species. It is the process of protecting an...
by admin | May 29, 2015 | sem3
value of biodiversity Direct values The direct value include food resources like grains, vegetables, fruits which are obtained from plant resources and meat, fish, egg, milk and milk products from animal resources. These also include other values like medicine, fuel,...
by admin | May 29, 2015 | sem3
desert ecosystem The different components of a desert ecosystem are: (A) Abiotic Component: The abiotic component includes the nutrients present in the soil and the aerial environment. The characteristic feature of the abiotic component is lack of organic matter in...
by admin | May 29, 2015 | sem3
forest ecosystem The levels of a food chain (food pyramid) is called Trophic levels. The trophic level of an organism is the level it holds in a food pyramid. The sun is the source of all the energy in food chains. Green plants, usually the first level of any food...
by admin | May 29, 2015 | sem3
ecological succession processes The processes of ecological succession are 1. Nudation. It is the development of a bare site uninhabited by any organisms. The process is usually caused by disturbances. These factors can be either topographic (soil erosion, wind action...
by admin | May 29, 2015 | sem3
energy flow in the ecosystem Nearly all of the energy that drives ecosystems ultimately comes from the sun. Solar energy, which is an abiotic factor, by the way, enters the ecosystem through the process of photosynthesis. You can learn more than you want to know about...
