Author: Padmini Garud

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 …

Food Chain and Food Web

Food Chain The transfer of food energy from the producers, through a series of organisms (herbivores to carnivores to decomposers) with repeated eating and being eaten is termed as …

Ecosystem

Ecosystem The ecosystem comprises the biotic community and the non-living environment.  It is the basic functional unit as it includes both the organism and its environment, each influencing the …

Halophytes

Halophytes Halophytes are special types of xerophytes which grow in saline soils.  These soils are called physiologically dry because of high salt concentration.  Halophytes are plants of saline habitats …

Oxidative phosphorylation

Oxidative phosphorylation Oxidative phosphorylation is the synthesis of energy-rich ATP molecules with the help of energy liberated during oxidation of reduced coenzymes ( i.e.,NADH2 and FADH2), produced in respiration.  …

Anaerobic Respiration

Anaerobic respiration: Anaerobic respiration is a process of release of energy in enzymatically controlled incomplete degradation of organic food without oxygen being used as oxidant.  It is an exclusive …