(1) Partial or complete alteration of a community or an ecosystem by a biotic or abiotic factor. (2) Cyclonic low pressure system.

A weather system usually associated with clouds, rain and/or wind. 

late 13c., "mental distress," from Old French destorbance (12c., Old North French distorbance), from destourber, from Latin disturbare (see disturb). Meaning "public disturbance" i [..]

movement or action that brings a change to a familiar pattern or state of being.

perturbation: activity that is a malfunction, intrusion, or interruption; "the term `distress' connotes some degree of perturbation and emotional upset"; &amp [..]

a noisy interruption, as when people upset a meeting by shouting out

Any process that removes biomass from the community; an abiotic event, natural or human-caused such as fires and storms, that kills or damages some organisms and thereby creates opportunities for othe [..]

an interruption of peace or order ;specif : an interruption of the quiet enjoyment of one's property

Accelerated change caused by human activity or extreme natural events. Diversification:

An event or its change in intensity or frequency which alters the structure or functional status of an ecosystem. Examples of disturbances that can affect soil include drought, fire, harvest, tillage, compaction, overgrazing, or addition of pesticides.

An unplanned event that produces an abnormal system condition on the EPS, a power supply unit, as in the sudden failure of generation or interruption of load.

(n) activity that is a malfunction, intrusion, or interruption(n) an unhappy and worried mental state(n) a disorderly outburst or tumult(n) a noisy fight(n) the act of disturbing something or someone; [..]

A disruption of the atmosphere that usually refers to a low pressure area, cool air and inclement weather.

A rapid change in an environment that greatly alters a previously persistent biological community

Any event, such as forest fire or insect infestations that alter the structure, composition, or functions of an ecosystem.

Any event or series of events that disrupt ecosystem, community, or population structure and alters the physical environment.

Any event or series of events that disrupt ecosystem, community, or population structure and alters the physical environment.

Any event or series of events that disrupts ecosystem, community, or population structure and alters the physical environment.

Disruptions of the rhythmic cycle of bodily functions or activities.

An abnormally disproportionate increase in the Sensation of loudness in response to auditory stimuli of normal volume. Cochlear Diseases; Vestibulocochlear Nerve Diseases; Facial Nerve Diseases; Stape [..]

Variations of Menstruation which may be indicative of Disease.

"A chemical or physical process caused by humans that may or may not lead to a response in a biological system within an organism or at the level of whole organisms or assemblages. Disturbance in [..]

Partial or complete alteration of a community or an ecosystem by a biotic or abiotic factor.

A disruption of the atmosphere that usually refers to a low pressure area, cool air and inclement weather.

In meteorology, applied rather loosely: (1) any low pressure or cyclone, but usually one that is relatively small in size; (2) an area where weather, wind, pressure, etc., show signs of cyclonic devel [..]

See error term.

Accelerated change caused by human activity or extreme natural events.

This term has several applications. Normally describes a low or trough that is small in size and influence or is exhibiting signs of development.

a disruption of the atmosphere

This has several applications. It can apply to a low or cyclone that is small in size and influence. It can also apply to an area that is exhibiting signs of cyclonic development. It may also apply to a stage of tropical cyclone development and is known as a tropical disturbance to distinguish it from other synoptic features.

This has several applications. It can apply to a low or cyclone that is small in size and influence. It can also apply to an area that is exhibiting signs of cyclonic development. It may also apply to [..]

This has several applications. It can apply to a low

This has several applications. It can apply to a low or cyclone that is small in size and influence. It can also apply to an area that is exhibiting signs of cyclonic development. It may also apply to a stage of tropical cyclone development and is known as a tropical disturbance to distinguish it from other synoptic features.

A discrete event, either natural or human induced, that causes change in the existing condition of an ecosystem.

An episode of destruction of some part of a community or ecosystem.