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Ecological stress: various types and possible consequences

Ecological stress refers to chemical, biological and physical constraints on the productivity of species and on the development of ecosystems. There is always a result when the exposure to environmental stressors increases or decreases. Stressors may be the result of human activity or natural environmental factors. Some stressors have a local impact, while others have a regional or global impact. Stressors can break the integrity of the ecosystems and make the quality of the environment worse. So, ecosystems can tolerate some changes. This is known as resistance. However, there are limits to this attribute. When the intensity of environmental stress is too big, there will always be substantial ecological changes.

Environmental stressors can be divided into the following groups:

-Thermal stress happens when the heat influences ecosystems. For instance, it happens near industrial discharges of heated water or natural hot-water vents on the ocean floor. -Physical stress is an intense exposure to kinetic energy. For example, hurricanes, volcanos, and explosions. -Wildfire is also a disturbance and it could lead to awful consequences. A big part of the biomass of an ecosystem is combusted and dominant species might be killed. -Climatic stress is connected with excessive or insufficient regimes of temperature, solar radiation, and moisture. Deserts and Tundra are good examples of climatic stress. At the same time, rainforests are under a relatively benign climatic regime. -Pollution happens when chemicals are present in concentrations big enough to influence organisms and cause ecological changes. Pollution can be caused by sulfur dioxide and ozone or by elements such as arsenic, and mercury. Unfortunately, pollution is often a result of human activity. -Radiation stress refers to excessive loads of ionizing energy. -Biological stresses are associated with different actions that happen to organisms of the same or different species. The harvesting and management of species and ecosystems by humans is a type of biological stress. So, the intensity of environmental stress causes significant changes and often these changes are not good. For instance, disruption of an ecosystem can lead to mortality of organisms and other ecological damage. Our environment is exposed to stress and we need to try to keep it safe.
Ecological stress refers to chemical, biological and physical constraints on the productivity of species and on the development of ecosystems. There is always a result when the exposure to environmental stressors increases or decreases. Stressors may be the result of human activity or natural environmental factors.
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Assignment ID
100002230
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CREATED ON
October 17, 2016
COMPLETED ON
October 18, 2016
Price
$22
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Essay Example Comments
joooycarter43
December 2, 2016
joooycarter43
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hunterstone
December 1, 2016
hunterstone
This writer completed the assignment before agreed timeline. The writer provided a detailed assignment that I'm confident in.
carlosupdates16
November 29, 2016
carlosupdates16
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