Deserts occupy one third of the surfaces above the water level, and are present in all the continents. In these environments rain is very scarce: at times for a few drops of water to fall from the sky it may even take years.
The temperature at day time reaches very high values, while at night it drops greatly because a large amount of heat present on the surface disperses in the atmosphere. However life does not stop even in the desert, and even though there are thousands of difficulties, it successfully can resist a climate that is so unfavourable, by resorting to very effective expedients.

subjects dealt with in Desert

ecosistemi_400x225_0034_il bioma deserto

Desert biome

The desert (from the Latin deserere, to abandon) is a habitat with poor rainfalls. In many deserts, the annual rainfall…

ecosistemi_400x225_0036_deserto e uomo

Man and desert

Despite the desert being so inhospitable, there are ethnic groups living in these places; they are groups of people that…

ecosistemi_400x225_0037_desertificazione

Desertification

According to the figures reported by the United Nations Environment Programme (UNEP), 25% of the earth's land is threatened by…

special reports

  • 10 February 2014 / Ecosystems

    Coral turns pale!

    The delicate balance of the coral reef “When looking at a coral reef, we are fascinated by the enormous variety…

    29 April 2013 / Ecosystems

    Intruders in the Mediterranean

    Mare Nostrum The Mediterranean Sea (Mare Nostrum, Latin for “Our Sea”) has always been considered of fundamental importance for the…

    1 August 2012 / Ecosystems

    Holidays, yes! but they must be sustainable!

    Sustainable holidays Lately we have been speaking of sustainable behaviours to apply to our daily life, but what happens when…

  • 8 July 2011 / Ecosystems

    Who's coming to dinner

    A shark in my hamburger Summer is finally here! As usual, we have waited for it all year long and…

    8 April 2011 / Ecosystems

    Protected areas

    Taking a look at the past Protecting nature, at least as a general concept, has rather old origins; in fact…

    15 March 2008 / Ecosystems

    Biodiversity

    Defining biodiversity Much is said about biodiversity and of the need to protect it. But what is biodiversity? And why…

  • 1 November 2007 / Ecosystems

    The environment and health

    Two faces of the same coin The topic of the relationship between the environment and health is very transversal, i.e.…

    13 October 2007 / Ecosystems

    Environmental risk in Nepal

    Institutional management The government institution in charge of management of natural resources in Nepal, is the Ministry of Population and…

    1 June 2007 / Ecosystems

    Nepal’s natural resources

    The country Morphological characteristics Nepal is a relatively small country with a total area of little less than 150,000 square…

  • 10 February 2014 / Ecosystems

    Coral turns pale!

    The delicate balance of the coral reef “When looking at a coral reef, we are fascinated by the enormous variety…

    29 April 2013 / Ecosystems

    Intruders in the Mediterranean

    Mare Nostrum The Mediterranean Sea (Mare Nostrum, Latin for “Our Sea”) has always been considered of fundamental importance for the…

  • 1 August 2012 / Ecosystems

    Holidays, yes! but they must be sustainable!

    Sustainable holidays Lately we have been speaking of sustainable behaviours to apply to our daily life, but what happens when…

    8 July 2011 / Ecosystems

    Who's coming to dinner

    A shark in my hamburger Summer is finally here! As usual, we have waited for it all year long and…

  • 8 April 2011 / Ecosystems

    Protected areas

    Taking a look at the past Protecting nature, at least as a general concept, has rather old origins; in fact…

    15 March 2008 / Ecosystems

    Biodiversity

    Defining biodiversity Much is said about biodiversity and of the need to protect it. But what is biodiversity? And why…

  • 10 February 2014 / Ecosystems

    Coral turns pale!

    The delicate balance of the coral reef “When looking at a coral reef, we are fascinated by the enormous variety…

  • 29 April 2013 / Ecosystems

    Intruders in the Mediterranean

    Mare Nostrum The Mediterranean Sea (Mare Nostrum, Latin for “Our Sea”) has always been considered of fundamental importance for the…

  • 1 August 2012 / Ecosystems

    Holidays, yes! but they must be sustainable!

    Sustainable holidays Lately we have been speaking of sustainable behaviours to apply to our daily life, but what happens when…

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curiosities

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    The steppe was the protagonist of one of the most important events in the history of space explorations. The very…

    Lemmings

    One of the most typical animals of the tundra is the lemming, a small rodent. Lemmings reproduce very quickly and…

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    In Canada, Norway and Greenland, baby seals are killed for their skin and fur, to be sold all over the…

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    Number Three, this is the official name of the express train (also called Trans-Mongolian Railway), is the best and most…

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    A peculiar trait of these soils is that they are easily moved by the wind: the vegetation has shallow roots,that…

    Myths and legends of the forest

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    During the Pleistocene (approximately 1.5 million years ago), the tundra covered all central Europe and was inhabited by spectacular animals,…

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    Some parts of the plants have healing properties: lime trees are among the most common ones. Lime trees (Tilia cordata)…

    Peat-bogs

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    The steppe was the protagonist of one of the most important events in the history of space explorations. The very…

    Lemmings

    One of the most typical animals of the tundra is the lemming, a small rodent. Lemmings reproduce very quickly and…

  • Let’s save the baby seals

    In Canada, Norway and Greenland, baby seals are killed for their skin and fur, to be sold all over the…

    By train through the steppe

    Number Three, this is the official name of the express train (also called Trans-Mongolian Railway), is the best and most…

  • The loess

    A peculiar trait of these soils is that they are easily moved by the wind: the vegetation has shallow roots,that…

    Myths and legends of the forest

    The dark and mysterious shadows of the forest are populated by fabulous creatures that have existed in men’s dreams for…

  • Sputnik in the steppe

    The steppe was the protagonist of one of the most important events in the history of space explorations. The very…

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  • Let’s save the baby seals

    In Canada, Norway and Greenland, baby seals are killed for their skin and fur, to be sold all over the…

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