Reduction in the number of species soil is not very fertile and becomes unusable in a short time. Cfcs released into the atmosphere will break down the ozone layer destruction of ozone will increase the uv light reaching the earth b. At higher altitudes harsh environmental conditions. The study of ecosystems ecology from the greek oikos meaning house or dwelling, and logos meaning discourse is the study of the interactions of organisms with each other and their environment. A group of individual organisms of the same species in a given area is called a population. Mountain ecosystem, complex of living organisms in mountainous areas. Textbook this lecture is based on very current ideas in ecology and earth system. Mountain lands provide a scattered but diverse array of habitats in which a large range of plants and animals can be found. The ecological niche of human being another such example is the vegetation of the forest. Find materials for this course in the pages linked along the left. While, a group of populations of different species in a given area is called a community. For environmental health students introduction to ecology worku legesse, b.
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