What Does The Wi Drivers Lixense Mean

over waste water: impact on a large scale and long-term

For some it seems easy to be convinced that once an object out of his sight, it no longer exists. Malheureusemen t, people who blithely throw waste in nature should be aware that HP oses are not so simple! Here are the opportunities facing the waste is discarded into the environment, especially those q ui re be found in rivers, as the Lachine Canal. I promise it will be difficult to forget the wandering waste to the rest of this article !

1. Risk to health

There are 2 main ways for a waste to harm the health has plants, animals and men: the first is pa r BIOACCEZ umul and second, by ingestion / physical restraint.

First, waste may contain toxic components that are found in the environment and propagate down to us through the food chain. This is the principle bioaccumulation defined as follows:

gradual accumulation substance the specific c orps of a living organism. Bioaccumulative substances may come from sources (air, water, soil), are generally soluble materials fat (in the are animals and man, is in the subjects they accumulate fat) and not not decompose in the body . Bioaccumulation increases exponentially the bottom to the top of the food chain.

This means that in the long term , pollutants remain in the environment affect the health of living organisms and particulièremen of t carnivores. A common example is the tuna that is not advisable to eat too much because it is contaminated with mercury.

Waste is also a danger if are ingested by animals , Who mistake them for food, their diet. 111 of 312 species of seabirds, or 36%, confuse their prey with plastic and ingest; the turtles mistake plastic bags for jellyfish.

Once ingested, the plastic gets stuck in the digestive systems of animals because it is not digestible. Very often it blocks the digestive system, ensuring that animals are dying of hunger . But it's not over! U nce the decomposed carcass of the animal, the plastic is still intact and continues to be a RISQ ue to animal life.

The marine life may be stuck in the waste material ts . In the short term, this may prevent the animal to continue operations as normal but in the long term, it will impede its growth and may cause his death. Many turtles have been found in a state similar to that which can be seen above. Being small, they became caught in a ring of plastic bottle cap and, like the corsets of the Middle Ages, have grown, deformed .

2. Loss of biodiversity

The biodiversity is:

The variability among living organisms from all sources , including, inter alia, ecosystems terrestrial, marine and other aquatic ecosystems and ecological complexes of which they are part : this includes diversity within species, between species and ecosystems.

One main effects pollution is amend pm abitat natural , making so that it no longer meets all the basic needs of a species. Some pollution ants directly affect biota (living organism), killing, weakening or preventing it from fulfilling its essential biological functions (feeding, reproduction, etc..).

pollution means adding substances generally absent or present in concentrations much lower, and can be explained as follows:

• rejection toxic
• the bacterial contamination
• the accumulation of nutrients

If this kind of pollution is mainly caused by industrial and agricultural activities, domestic waste, such as household products, also contribute to the problem. Fortunately, there are more cleaning products made from natural ingredients (eg plant) and phosphate free, chlorine-free, etc.. And if the power of citizens is limited as the laws governing industrial pollution, the buying power allows consumers to boycott companies that do not respect the environment. The COMPAG ned devote much of their image and are willing to change some of their products or industrial processes to make peace with the view public (which has an impact on its rating on the stock market!).

3. The interrelationship of rivers

How waste thrown into the Lachine Canal can be found in the Atlantic Ocean? The watershed principle gives us a clue!

The watershed :

is the entire geographical territory including all stormwater runoff or infiltration flows by gravity to a single stream.

In Quebec, the watershed of the St. Lawrence River covers nearly one third of the provincial land and extends into Ontario and the United States around the Great Lakes. Hundreds of rivers pour into the river which flows into the Gulf of St. Lawrence which joins the Atlantic Ocean.

Across the planet, almost all rivers are connected in this same way. Thus a bottle thrown into the Lachine Canal may be found in the Atlantic Ocean, and even for pollutants of all kinds (industrial, agricultural and domestic).

continents''''The Waste

Once da ns ocean, waste is driven by ocean currents and winds. In each ocean, there is a zone converging currents that ensures that the waste are concentrated. These concentrations of waste has been dubbed 'continents' waste since they can span several kilometers. In fact, by their decomposition, these 'continents' are more like a toxic soup.

And that's how pollution is becoming one else's problem! A simple act of negligence, reproduced throughout the world by hundreds of millions of people, have the results we just spread. Like what it would take so little of each one for a healthier planet!

Sources:

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GreenFacts: Facts on Health and the Environment: Glossary (2009). http://www.greenfacts.org/fr/ [Online]. http://www.greenfacts.org/fr/glossaire/abc/bioaccumulation.htm Accessed August 18, 2010.

Intelligence Green: Ecology and sustainable development: bio Dictionary (2010). Bioaccumulation, http://www.intelligenceverte.org/ [Online]. http://www.intelligenceverte.org/bioaccumulation-g.asp Accessed August 18, 2010.

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