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 [...]
This article throws light upon the four categories of processes of Community Analysis. The categories of processes are: 1. Biological Spectrum or Life Form Analysis 2. Stratification 3. Quantitative Structures of Plant Community 4. Synthetic Characters of Plant Community. Category # 1. Biological Spectrum or Life Form Analysis: Danish Botanist Christen Raunkiaer (1903) attempted to describe the communities (higher plants) [...]
Read this article to learn about the impact of global warming on ecosystem. A warmer global climate could have a number of possible effects. One of the changes is food production, which could increase in some areas and drop in others. Archaeological evidence and computer models indicate that, in the worst case, climate belts would shift northward by 100-150 Kms [...]