In ecosystemes
Ecosystems are the basis for human development platform and the economy
sustainable. They provide natural resources, ie materials and services where
You can build an entire civilization: 21
• Provide food, fiber, shelter, medicines and energy.
• Processes and store carbon and nutrients.
• absorb and assimilate the waste.
• purify water, regulate water runoff and mitigate flooding.
• Build fertile soils and reduce their degradation.
• Provide opportunities for recreation and tourism.
• retain the full reserve of genetic material and the diversity of
species on the planet.
• They give identity to the people, providing cultural elements, religious and
aesthetic, intrinsic human value.
Climate change has the potential to affect the geographic location of the
ecosystems, mixing and proportions of species that inhabit them, thereby altering the
dynamic balance of these and their ability to provide benefits to companies
human. Although ecosystems experience a continuing process of balance
dynamic, ie, a constant process of adaptation, climate change caused by
anthropogenic are very fast compared to the resilience of the
ecosystems and the time it takes to recover.
Climate change will affect the flora and fauna ecosystems.
Some consequences of these changes will manifest in the composition of the
forest species that will undergo changes, and in some regions forests could
disappear completely. The vegetation would be affected not only by the increase in
temperature, but by changes in rainfall patterns that bring the
climate change.
Many species of animals would be forced to emigrate, others may disappear
local habitat. Although most ecosystems may be affected in one or other
Thus, the most vulnerable ecosystems are forests, lakes, wetlands, systems,...
sustainable. They provide natural resources, ie materials and services where
You can build an entire civilization: 21
• Provide food, fiber, shelter, medicines and energy.
• Processes and store carbon and nutrients.
• absorb and assimilate the waste.
• purify water, regulate water runoff and mitigate flooding.
• Build fertile soils and reduce their degradation.
• Provide opportunities for recreation and tourism.
• retain the full reserve of genetic material and the diversity of
species on the planet.
• They give identity to the people, providing cultural elements, religious and
aesthetic, intrinsic human value.
Climate change has the potential to affect the geographic location of the
ecosystems, mixing and proportions of species that inhabit them, thereby altering the
dynamic balance of these and their ability to provide benefits to companies
human. Although ecosystems experience a continuing process of balance
dynamic, ie, a constant process of adaptation, climate change caused by
anthropogenic are very fast compared to the resilience of the
ecosystems and the time it takes to recover.
Climate change will affect the flora and fauna ecosystems.
Some consequences of these changes will manifest in the composition of the
forest species that will undergo changes, and in some regions forests could
disappear completely. The vegetation would be affected not only by the increase in
temperature, but by changes in rainfall patterns that bring the
climate change.
Many species of animals would be forced to emigrate, others may disappear
local habitat. Although most ecosystems may be affected in one or other
Thus, the most vulnerable ecosystems are forests, lakes, wetlands, systems,...
In hydrology
T
oday the world produces food for almost seven billion people.
This production depends crucially on the availability of irrigation water.
Since the beginning of the industrial revolution, the demands for fresh water have been on
increasing rapidly. Industrial agriculture is used by older
amounts of this resource. Moreover, the massive extraction of natural resources and
liquid flows that exit from the product of urban or industrial waste, have been
causing pollution of rivers and lakes that is unprecedented in history.
Therefore, the availability of uncontaminated water available for human use has
decreased, so there is much concern about a so-called "global crisis
water. "
This problem is compounded as there is today in the world, more than 1,500 million people
without access to healthy sources of fresh water, and 2.200 million people
have access to adequate sanitation.
In some regions, climate change could cause considerable
decrease in rainfall rates, especially in arid and semiarid
the planet. Therefore, many developing countries would be affected by being located
in these areas. Moreover, these countries lack the resources to generate more
investments in irrigation engineering and aqueducts that could mitigate these impacts.
In turn, in temperate and humid regions can expect increased
flooding. Because of these impacts is expected to be predictable
massive human migrations occur from these areas to other more favored. ar.
This production depends crucially on the availability of irrigation water.
Since the beginning of the industrial revolution, the demands for fresh water have been on
increasing rapidly. Industrial agriculture is used by older
amounts of this resource. Moreover, the massive extraction of natural resources and
liquid flows that exit from the product of urban or industrial waste, have been
causing pollution of rivers and lakes that is unprecedented in history.
Therefore, the availability of uncontaminated water available for human use has
decreased, so there is much concern about a so-called "global crisis
water. "
This problem is compounded as there is today in the world, more than 1,500 million people
without access to healthy sources of fresh water, and 2.200 million people
have access to adequate sanitation.
In some regions, climate change could cause considerable
decrease in rainfall rates, especially in arid and semiarid
the planet. Therefore, many developing countries would be affected by being located
in these areas. Moreover, these countries lack the resources to generate more
investments in irrigation engineering and aqueducts that could mitigate these impacts.
In turn, in temperate and humid regions can expect increased
flooding. Because of these impacts is expected to be predictable
massive human migrations occur from these areas to other more favored. ar.
In food
Today, it is estimated that there around 900 million people are
malnourished, although in the last 30 years has doubled the production of
food in the world due to the expansion of agricultural land, new systems
irrigation, using large amounts of chemical fertilizers and the introduction of
new genetic varieties. The current mechanized agricultural production,
both food and cotton fields, driven almost exclusively by
petroleum, suggests that a new effort to increase production
food and fiber will further increase the emission of gases responsible for
greenhouse.
Thus, climate change will affect agriculture, altered averages
temperature, rainfall patterns, length of seasons and dates
field events such as planting and harvesting. Global warming will bring
with a tendency to shift towards the poles agricultural areas away from
tropical areas where weaknesses related to the major problems
malnutrition. Subsistence farms and villages and arid pastoral
subtropics will feel the impact.
Marine resources and fisheries areas are very sensitive to changes in climate.
Any slight difference in sea temperature causes changes in the
ocean currents, fish migrations and changes in species composition.
Therefore, global fisheries production will face serious problems by modifying the
availability of marine resources. All these changes will be complicated because in
marine species have now been over-exploited indiscriminately, their areas
reproduction have been invaded and have been exposed to extensive
pollution in coastal areas, with tributaries coming from inside the
continents.
malnourished, although in the last 30 years has doubled the production of
food in the world due to the expansion of agricultural land, new systems
irrigation, using large amounts of chemical fertilizers and the introduction of
new genetic varieties. The current mechanized agricultural production,
both food and cotton fields, driven almost exclusively by
petroleum, suggests that a new effort to increase production
food and fiber will further increase the emission of gases responsible for
greenhouse.
Thus, climate change will affect agriculture, altered averages
temperature, rainfall patterns, length of seasons and dates
field events such as planting and harvesting. Global warming will bring
with a tendency to shift towards the poles agricultural areas away from
tropical areas where weaknesses related to the major problems
malnutrition. Subsistence farms and villages and arid pastoral
subtropics will feel the impact.
Marine resources and fisheries areas are very sensitive to changes in climate.
Any slight difference in sea temperature causes changes in the
ocean currents, fish migrations and changes in species composition.
Therefore, global fisheries production will face serious problems by modifying the
availability of marine resources. All these changes will be complicated because in
marine species have now been over-exploited indiscriminately, their areas
reproduction have been invaded and have been exposed to extensive
pollution in coastal areas, with tributaries coming from inside the
continents.
In Coasts
Coastal zones are characterized by a rich diversity of ecosystems and a large
number of socio-economic activities. It is estimated that about half of the population
population live in coastal areas. In many of these settlements already
experienced a population growth rate twice greater than the index
global average.
Currently many countries are facing problems in its coastal areas due to
rises in sea level. This phenomenon is slow and steady movements product
epirogénicos, resulting from the constant adjustment of plate tectonics in the crust
land. In some cases like Venice, the sinking of the land and buildings has
had an anthropogenic origin, which further contributes to expose the coastal cities
flooding from the sea.
Climate change will exacerbate these problems by altering ecosystems
threatening coastal and coastal urban infrastructure. The increased level
sea puts at risk a large number of people living in coastal areas. in
Bangladesh for example, a country with a large percentage of its territory at sea level,
tens of millions of people will be displaced if sea levels rise only reach 1 meter.
number of socio-economic activities. It is estimated that about half of the population
population live in coastal areas. In many of these settlements already
experienced a population growth rate twice greater than the index
global average.
Currently many countries are facing problems in its coastal areas due to
rises in sea level. This phenomenon is slow and steady movements product
epirogénicos, resulting from the constant adjustment of plate tectonics in the crust
land. In some cases like Venice, the sinking of the land and buildings has
had an anthropogenic origin, which further contributes to expose the coastal cities
flooding from the sea.
Climate change will exacerbate these problems by altering ecosystems
threatening coastal and coastal urban infrastructure. The increased level
sea puts at risk a large number of people living in coastal areas. in
Bangladesh for example, a country with a large percentage of its territory at sea level,
tens of millions of people will be displaced if sea levels rise only reach 1 meter.
