Nitrogen Cycle

Nitrogen Cycle The nitrogen cycle is a biogeochemical cycle in which the elemental nitrogen (N2) converts into a form that is useful in biological processes.¬† Atmosphere is a reservoir …

Carbon Cycle and Oxygen Cycle

Carbon Cycle Carbon cycle is a biogeochemical cycle in which carbon travels from the atmosphere into organisms and then back to the atmosphere. The carbon cycle is essential for …

Biogeochemical Cycles

Biogeochemical Cycles Biogeochemical cycles in the environment are the cyclic pathways in which regular and continuous transition of elements occur from the environment into the organism and from the …

Successional Stages of Xerosere

Successional Stages of Xerosere Succession of plant that begins from any dry area and ultimately reaches to a climax is termed as xerosere. Initiation of xerosere usually begins from …

Ecological Niche

Ecological Niche Ecological niche is a most inclusive term that involves not only a physical space occupied by organism but its functional role in the community and its position …

Ecological Succession

Ecological Succession Ecological succession involves an orderly process of community changes, which are directional and hence predictable.¬† It involves the modification of the physical environment, culminating in the establishment …

Plant Community

Plant Community Community is a group of several species living together with mutual tolerance and beneficial interactions in a natural area . In a community, organisms share the same …

Productivity in Ecosystems

Productivity in Ecosystems Productivity is the rate of synthesis of energy containing organic matter by any trophic level per unit area in unit time. ¬†Production ecology is the branch …

Ecological Pyramids

Ecological Pyramids Ecological pyramid is the graphic representation of the numbers, biomass and energy of the successive trophic levels of an ecosystem. Charles Elton (1927) developed the ecological pyramids …