After reading this article you will learn about the modelling of populations and their interaction in a community. The effects of different types of interaction amongst the community's component populations may be modelled in terms of their consequences for population growth and dynamics. The models used to describe the dynamics of such population fall in effect into two distinct 'families' [...]
In this essay we will discuss about soil. After reading this essay you will learn about: 1. Introduction to Soil 2. Components of Soil 3. Functions 4. Microclimate 5. Formation of Soil 6. Types of Pollutants 7. Fertiliser Contamination 8. Greenhouse Effect and Soil Fertility 9. Weathering 10. The Soil Profile 11. Textural Classes 12. Cation Exchange Capacity 13. Soil [...]
This article throws light upon the transect and quadrat methods of sampling plant communities. Method # 1. Transect Method: When the vegetation is to be studied along an environmental gradient or eco-tone (e.g. tropical to temperate, high or low rainfall areas or precipitation gradient, adjacent areas with different types of soil, etc.) a line is laid down across a stand [...]