grassland ecology

. Further decomposition of these annual grasses lead to replacement by perennial grasses like Cymbopogon, Heteropogon etc. Some small animals also invade the habitat. d) Shrub stage - Further weathering or rocks and death of herbs make the habitat more suitable for the growth of shrubs like Rhus, C..

. Terrestrial ecology is further subdivided into forest ecology, grassland ecology, cropland ecology and desert ecology. Demecology is that branch of biology which deals with the ecology of populations. Modern ecology i..

Summary - The biotic and abiotic components form an interacting system called 'ecosystem'. Producers, consumers and decomposers are the various trophic levels, which are linked by their food relationship forming a 'food chain'. Several food chains are interrelated and interconnected to form a netwo..

Ecosystem - Definition - An ecosystem can be defined as 'a structural and functional unit of biosphere or segment of nature consisting of community of living beings and the physical environment, both interacting and exchanging materials between them'. E. P. Odum, an American ecologist, defined ..

. Second law of thermodynamics states that processes of energy transformation will not occur spontaneously unless there is degradation of energy from a non - random to a random form. Energy transformations, which occur within the ecosystem are considered in ecological energetics. The quan..