In this article we will discuss about the meaning, types and effects of eutrophication. Meaning of Eutrophication: Inorganic nitrates and phosphates in excess amount stimulate excessive plant growth in lake and reservoir. The plant deplete the oxygen content of water during night. This leads to suffocation of fish and other aquatic life. The rapid algal growth (plant) leads to the [...]
In this article we will discuss about:- 1. Definition of Ecology 2. Study of Ecology 3. History 4. Branches 5. Scope. Definition of Ecology: Ecology is a Greek word which means the study of the habitation of living organisms (oikos=habitation, logos=discourse). The word ecology has been defined variously by different authors. Some prefer to define it as “scientific natural history” [...]
The following points highlight the top four abiotic factors that influencing habitats. The factors are: 1. Temperature 2. Pressure 3. Radiation 4. Light. Factor # 1. Temperature: Life can exist within a narrow range of temperature. Even within this narrow range, temperature tolerance of various species of animals varies. The temperature tolerance of a given species at different stages of [...]