Ecology

Pollution has been characterized by Odum (1971) as “the undesirable change in the physical, compound or organic qualities of air, land and water that may influence the human life. The poisons cause undesirable physical and natural changes. Man is hunting down sustenance and better living conditions. It has devastated the earth. Man has included a great deal of clean, smoke, ...

The wearing away of the soil by wind, water, snow or gravity is called soil erosion. Climatic, topographic. biotic, edaphic, and geologic factors cause the soil erosion. Climatic factors: Wind and rainfall are climatic factors. Topographic factors: Length of slope is a topographic factor. Biotic factors: Uncontrolled grating of vegetation by animals and cutting of vegetation by man are biotic ...

Spreading of deserts to the green areas is called desertification. Desertification occurs due to human activities. Desertification occurs in grasslands and forests. Earlier, vegetation was present there. But over exploitation of these natural resources changes them deserts. These are not natural deserts. But they arc man made deserts. Deserts are characterized by few vegetation and arid land. The ruins of ...

There are following application of ecology in different environmental managements: Land management The operation by which land is prepared for crops plantation, harvesting is called land management. Good land management increases efficiency. Poor land management cause soil erosion, salinity and water logging. It changes the fauna and flora of the soil. Increased knowledge of ecology improves the land management techniques. ...

There are following application of ecology in different environmental managements: Land management The operation by which land is prepared for crops plantation, harvesting is called land management. Good land management increases efficiency. Poor land management cause soil erosion, salinity and water logging. It changes the fauna and flora of the soil. Increased knowledge of ecology improves the land management techniques. ...