Resource

A resource is a source or supply from which a benefit is produced. Resources can broadly be classified upon their availabilitythey are classified into renewable and non-renewable resources. They can also be classified as actual and potential on the basis of level of development and use, on the basis of origin they can be classified as biotic and abiotic, and on the basis of their distribution, as ubiquitous and localized (private resources, community-owned resources, natural resources, international resources). An item becomes a resource with time and developing technology. Typically, resources are materials, energy, services, staff, knowledge, or other assets that are transformed to produce benefit and in the process may be consumed or made unavailable. Benefits of resource utilization may include increased wealth, proper functioning of a system, or enhanced well-being. From a human perspective a natural resource is anything obtained from the environment to satisfy human needs and wants. From a broader biological or ecological perspective a resource satisfies the needs of a living organism (see biological resource).
Resources have three main characteristics: utility, limited availability, and potential for depletion or consumption. Resources have been variously categorized as biotic versus abiotic, renewable versus non-renewable, and potential versus actual, with more elaborate classifications.
In biology and ecology a resource is defined as a substance that is required by a living organism for normal growth, maintenance, and reproduction (see biological resource). The main essential resources for animals are food, water, and territory. For plants key resources include sunlight, nutrients, water, and a place to grow. Resources, can be consumed by an organism and, as a result, become unavailable to other organisms. Competition for resources vary from complete symmetric (all individuals receive the same amount of resources, irrespective of their size) to perfectly size symmetric (all individuals exploit the same amount of resource per unit biomass) to absolutely size-asymmetric (the largest individuals exploit all the available resource). The degree of size asymmetry has major effects on the structure and diversity of ecological communities, e.g. in plant communities size-asymmetric competition for light has stronger effects on diversity compared with competition for soil resources.The degree of size asymmetry has major effects on the structure and diversity of ecological communities.
A computer resource is any physical or virtual component of limited availability within a computer or information management system. Computer resources include means for input, processing, output, communication, and storage.

 


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