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Habitats become regimented when development breaks up solid stretches of land. Examples include roads which may cut through forests or even trails which wind through prairies. While it may not sound all bad on the surface, there are serious consequences. The largest of these consequences are initially felt by specific plant and animal communities, most of which are specialized for their foreign or require large areas of land to retain a healthy genetic heritage. Area Sensitive Animals Some wildlife species require large stretches of land in order to meet all of their needs for food, habitat, and other resources.These animals are called area sensitive.

When the environment is fragmented, the large patches of habitat no longer exist. It becomes more difficult for the wildlife to get the resources they to survive, possibly becoming threatened or endangered. The environment suffers without the animals that play their role in the food web. Aggressive Plant Life A more critical result of habitat fragmentation is land disturbance. Many weedy plant species, such as garlic mustard and purple loosestrife, are both opportunistic and invasive. A breach in the habitat gives them an opportunity o take hold.These aggressive plants can take over an environment, displacing the native flora. The result is habitat with a single dominant plant which doesn’t provide adequate food resources for all the wildlife.

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Entire ecosystems are threatened with extinction, according to the National Resources Defense Council. Effects of Environmental Degradation One of the greatest challenges facing humanity is environmental degradation, including deforestation, desertification, pollution, and climate change – an issue of increasing concern for the international community.Environmental gradation increases the vulnerability of the societies it affects and contributes to the scarcity of resources.

Climate change will lead to an increase in the intensity and frequency of weather extremes, such as heat waves, floods, droughts and tropical cyclones. The people hardest hit by climate change and environmental degradation are those living in the most vulnerable areas, including coastal communities, small island nations, Sub-Sahara Africa and Asian delta regions. It is the poorest of the poor, who lack the resources to prepare, adapt and rebuild, that are most affected.Environmental degradation can lead to a scarcity of resources, such as water and bearable. Extreme weather events, such as severe flooding, increase the spread of waterborne diseases, such as malaria and diarrhea. The effects of the major environmental problems on both health and productivity are: a. Water pollution and water scarcity: As per the estimation of JINN, more than two million deaths and billions of illnesses a year are attributable to water pollution. Water scarcity compounds these health problems.

Productivity is affected by the costs of providing safe water, by constraints on economic activity caused by water shortages, and by the adverse effects of water pollution and shortages on other environmental resources such as, declining fisheries and aquifer depletion leading to irreversible compaction. B. Air pollution: As per the estimation of UN, urban air pollution is responsible for deaths annually and creates chronic health problems for many more people. Restrictions on vehicles and industrial activity during critical periods affect productivity, as does the effect of acid rain on forests and water bodies. . Solid and hazardous wastes: Diseases are spread by uncollected garbage and blocked drains; the health risks from hazardous wastes are typically more localized, but often acute.

Wastes affect productivity through the pollution of groundwater resources. D. Soil degradation: Depleted soils increase the risks of malnutrition for farmers.

Productivity losses on tropical soils are estimated to be in the range of 0. 5-1. 5 per cent of GNP, while secondary productivity losses are due to isolation Of reservoirs, transportation Chain Nell and other hydrological investments. E.Deforestation: Death and disease can result from the socialized flooding caused by deforestation. Loss of sustainable logging potential and of erosion prevention, watershed stability and carbon sequestration provided by forests are among the productivity impacts of deforestation. F.

Loss of biodiversity: The extinction of plant and animal species will potentially affect the development of new drugs; it will reduce ecosystem adaptability and lead to the loss of genetic resources. G. Atmospheric changes: Ozone depletion is responsible for perhaps 300,000 additional cases of skin cancer a year and 1. Million cases of cataracts. Global warming may lead to increase in the risk of climatic natural disasters. Productivity impacts may include sea-rise damage to coastal investments, regional changes in agricultural productivity and disruption of the marine food chain.

Conclusion: The impact Of environmental disasters can be devastating on the social, economic, and environmental systems of a country or region as well as the global ecosystem. Environmental disasters do not recognize man-made borders, and threaten the legacy left to future generations of a clean and supportive environment.

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