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Ecology & environment

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15 janv. 2009
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Spirulin: astonishing seaweed - publié le 15/01/2009

Essay - 8 pages - Ecology & environment

From a biological point of view, Spirulin is one of the oldest inhabitants of the Earth. This cyanobacterium appeared 3.5 billions years ago. It is thought to have achieved photosynthesis for another billion years, until the first plant apparition. It naturally grows between latitudes 35°N and...

15 janv. 2009
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Using the examples of organically grown coffee in Mexico and fair trade bananas St-Vincent, this paper argues that a new global 'Green Revolution' is underway - publié le 15/01/2009

Essay - 5 pages - Ecology & environment

'Globalization is the increasing interdependence, integration and interaction among people and corporations in disparate locations around the world' . This phenomenon can have good effects such as helping developing countries improve their economy or their industry but also their...

15 janv. 2009
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Manix - environmental analysis: Objectives and strategy formulation - publié le 15/01/2009

Essay - 6 pages - Ecology & environment

Manix is a brand belonging to Ansell, a company operating in three business segments (professional health care division, consumer health care gloves and occupational division for gloves and clothing worn for protection). Manix is developed in the consumer health care division, which also supplies...

15 janv. 2009
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Global warming may open Northwest Passage - published: 15/01/2009

Essay - 3 pages - Ecology & environment

It is almost daily that television news mention environmental and natural disasters in each area of the world. Thus, the recent environmental events in the last years were cyclones like Katrina, tsunamis, floods, dryness… Scientifics don't give a verdict on these events but public opinion...

15 janv. 2009
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Environment and international trade - publié le 15/01/2009

Essay - 5 pages - Ecology & environment

The warming of the planet and global climatic change has been the centre of heated debate for the last few years. The environmental problems, by the force of nature, somehow set themselves to the political agenda of the planet. In this paper I'd like to see if the concepts of trade and...

15 janv. 2009
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Coal: energy of the future or energy of the past? - publié le 15/01/2009

Essay - 4 pages - Ecology & environment

In 2006, Doctor Heinz Scholtholt, member of a German firm of the energy industry (STEAG), pretended that Germany could become the worldwide leader of the coal industry by developing new clean coal technologies. Less than a year later, the German coalition's government has decided to stop its coal...

15 janv. 2009
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Institutional Failures of the Global Environmental Governance - publié le 15/01/2009

Essay - 42 pages - Ecology & environment

Despite a great awareness of environmental questions from developed and developing countries, there is a degradation of environmental issues and an appearance of new environmental problems. This aggravation of environmental matters is due to the inefficient state of the global environmental...

13 janv. 2009
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Life Cycle Assessment (LCA) : PET-bottles

Essay - 10 pages - Ecology & environment

A life cycle assessment is the investigation and valuation of the environmental impacts of a given product or service caused or necessitated by its existence. It is a variant of input-output analysis focusing on physical rather than monetary flows. The procedures of life cycle assessment (LCA)...

13 janv. 2009
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Air transportation and climate change - publié le 13/01/2009

Essay - 4 pages - Ecology & environment

A sophisticated transport system has evolved in Europe to move people and frets. The air transport industry is growing at rate above the average growth of the economy of the EU: multiplication of short distance flies, the arrival of the “low cost” market, and increasing of aerial fret...

09 janv. 2009
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Carbon footprinting

Essay - 9 pages - Ecology & environment

The nature of the carbon footprint is to examine human use of carbon and to try to apply it to how much greenhouse gas (converted to a scale based on CO2) is used. By discussing this, and viewing how "Climate change and infectious diseases in North America: the road ahead" discusses climate, it...

09 janv. 2009
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Lacustrine carbonate sedimentation

Essay - 6 pages - Ecology & environment

Lakes act as outdoor laboratories for the observation and understanding of natural processes. Every process has its own signature. If science looks at processes occurring today and their respective characteristics, then the door opens for understanding past processes that have similar...

09 janv. 2009
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Corn Ethanol: How realistic is this source?

Essay - 8 pages - Ecology & environment

While the price of gasoline has dropped precipitously since the summer, the memory of $3.80 - $4.00/gallon of gasoline is still fresh in the minds of most Americans. In fact, gasoline is at its lowest price in almost 10 years; however, the American population is still looking to President-elect...

08 janv. 2009
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Why Did The Hague Climate Conference Fail? Study of the article Suraje DESSAI

Text commentary - 1 pages - Ecology & environment

In the year 2000, the Hague Climate Conference took place from the November 13 to November 25 of the same year. It was eight years after the Rio Earth Summit, where the United Nations Framework Convention on Climate Change (UNFCCC), or Conference of Parties, opened the way to a global...

22 déc. 2008
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The global environment is chaotic, complex, dynamic and turbulent- all generally increasing the level of uncertainty facing senior managers. How might these environmental characteristics affect the way control is exercised in a multinational firm?

Essay - 9 pages - Ecology & environment

Multinational companies are moving towards a highly diversified world where domestic and global competition is really strong. In the business world, trends and demands of consumers are changing frequently, and firms have to adapt and struggle to find their way to retain their positions as market...

21 déc. 2008
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The Nanterre shorting center

Essay - 9 pages - Ecology & environment

In the 80's, a group of cities of Ile de France decided to create an important syndicate because of the huge amount of waste they generated. Nowadays, this syndicate is composed of more than 85 cities, and is at the service of more than 5.3 million inhabitants. Consequently, SYCTOM takes care...

05 déc. 2008
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The concept of landscape ecology

Essay - 9 pages - Ecology & environment

Landscape ecology is an emerging discipline that aims to understand the environmental processes and patterns in?uencing habitats and species beyond the site level. It arose independently in the latter part of the twentieth century in central and Eastern Europe and in North America as geographers,...

04 déc. 2008
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Perceptions of nature by indigenous communities and their relation to the ecological contexts

Essay - 11 pages - Ecology & environment

The purpose of this article is to provide an overview of how indigenous communities perceive and relate to the bio-ecological contexts of which they are part and on which they depend. The main message is that there is much more to learn from them than information about plant resources or methods...

04 déc. 2008
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Perceptions, object and observer of forest landscape and planning

Essay - 7 pages - Ecology & environment

For many centuries people have been concerned with perceptions of the natural world. Philosophers have written about it, psychologists have studied it, and, more recently, foresters have become concerned with it. However, when we speak of ‘perceptions of forest landscapes' in relationship to...

04 déc. 2008
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The role of visualization in forest planning

Essay - 8 pages - Ecology & environment

Modern techniques of computer visualization, involving three-dimensional (3D) modeling, computer animation, and virtual reality (VR), are taking their place among decision-support tools for forestry. This article focuses on the emerging role of visualization techniques that simulate the...

04 déc. 2008
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Landscape ecology, use and application in forestry

Essay - 6 pages - Ecology & environment

Many ecological processes result in or are affected by spatial patterns. However, the relative importance of different processes is very sensitive to the scale of analysis. For example, at a very local scale, species diversity is often strongly affected by competition and trophic interactions...

04 déc. 2008
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Visual analysis of forest landscape

Essay - 11 pages - Ecology & environment

This article examines the broad concepts and methods underpinning the management of visual resources in forestry, and describes some of the key scienti?c methods of addressing the often dif?cult issue of aesthetics and public perceptions of forested landscapes. It draws on accumulated research...

02 déc. 2008
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Opposing views about forest harvesting in British Columbia, Canada - publié le 02/12/2008

Essay - 2 pages - Ecology & environment

The forest industry has been a crucial part of British Columbia's economy for a very long time. Up until the 1970s, it was widely claimed that 50% of every dollar spent in BC was generated by the forest industry (from textbook, Farley 1972, 87). Today, this industry still remains the backbone of...

28 nov. 2008
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Impact of forest management on the quality of water

Essay - 8 pages - Ecology & environment

In forested catchments the hydrologic cycle, involving precipitation, interception, evapo-transpiration, overland ?ow, subsurface ?ow, groundwater ?ow, and stream ?ow is closely linked to water quality in that water movement through the forest ecosystem also transports sediment, and dissolved...

28 nov. 2008
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Forest fires (prediction, prevention and suppression)

Essay - 7 pages - Ecology & environment

The problems and negative impacts associated with large-scale uncontrolled forest ?res have increased worldwide over the past two decades. Globally an estimated 300-400 million hectares of forests and woodlands burn annually, emitting an estimated 9.2 billion tonnes of greenhouse gases; however,...

28 nov. 2008
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Soil erosion control

Essay - 6 pages - Ecology & environment

Soil erosion control in managed forests is undertaken, and best achieved, for two main reasons. The ?rst relates to soil protection for the sustainable productivity of the forest resource. The second relates to the protection of valuable water resources located in forested catchments. The...

28 nov. 2008
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Propagation technology for forest trees

Essay - 8 pages - Ecology & environment

There are six major kinds of propagules now available for the reproduction of forest trees: seeds, sprouts, grafts, cuttings, tissue-culture plantlets, and somatic embryos. Each has two or more subclasses, and each has increasingly understood advantages, disadvantages, and uses. For several of...

25 nov. 2008
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Genetic aspects of air pollution and climate change

Essay - 6 pages - Ecology & environment

The ?rst incidences of air pollution impacts on the genetic constitution of forest tree populations were those documented near point sources of sulfur dioxide (SO2), particulates, and heavy metals. Localized extinction of forests around these point sources was documented by ecologists in the past...

25 nov. 2008
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Genecology and the adaptations of forest trees

Essay - 8 pages - Ecology & environment

Genecology is the study of intraspeci?c genetic variation in relation to environmental conditions. It reveals patterns of adaptation of populations to their environments that result from differences in natural selection among locations. Genecological studies are conducted for the practical...

25 nov. 2008
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Cytogenetics of forest tree species

Essay - 9 pages - Ecology & environment

The discipline of cytogenetics was ?rst de?ned by Sutton in 1903, as a ?eld of investigation which developed from the separate sciences of genetics and cytology. It is concerned with studies on the correlation of genetic and cytological (especially chromosomal) features characterizing a...

25 nov. 2008
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The global and forest environment carbon cycle

Essay - 5 pages - Ecology & environment

The forest environment carbon cycle can be viewed at a number of scales. Measurements can be made at the scale of an individual leaf or tree, stand-scale measurements can be made, and models can be developed that examine forest-level, regional, and global carbon cycles. The role of the forest in...