HIPOTESIS GAIA PDF

  • June 20, 2019

Las críticas a la hipótesis Gaia de Lovelock (Lovelock y Margulis , de una teoría Gaia científica partiendo de la hipótesis inicial de Lovelock: Gaia es un. La Tierra es un Organismo Vivo y Sentiente – Es Hora de Dejar de Vivir en La Tierra y Empezar a Cohabitar – Philosophical Implications of The Gaia Theory. The Gaia hypothesis was formulated by the chemist. James Lovelock and The Gaia theory posits that the Earth is a self-regulating complex system involving.

Author: Mazular Kirr
Country: Poland
Language: English (Spanish)
Genre: Education
Published (Last): 18 February 2018
Pages: 286
PDF File Size: 3.23 Mb
ePub File Size: 12.48 Mb
ISBN: 765-5-48705-134-1
Downloads: 21826
Price: Free* [*Free Regsitration Required]
Uploader: Tojora

The flow of carbon dioxide from the atmosphere to the soil is therefore regulated with the help of living beings. Individual action on climate change Simple living. Some people attended. Lovelock formulated hipotdsis Gaia Hypothesis in journal articles in [1] and[2] followed by a popularizing book Gaia: An article in the New Scientist of February 6,[41] and a popular book length version of the hypothesis, published in as The Quest for Gaiabegan to attract scientific and critical attention.

Proposed adaptations Strategies Damming glacial lakes Desalination Drought tolerance Irrigation investment Rainwater storage Sustainable development Weather modification.

Less accepted versions of the hypothesis claim that changes in the biosphere are brought about through the coordination of living organisms and maintain those conditions through homeostasis. In his defense of Gaia, David Abram argues that Gould overlooked the fact that “mechanism”, itself, is a metaphor — albeit an exceedingly common and often unrecognized metaphor — one which leads us to consider natural and living systems as though they were machines organized and built from outside rather than as autopoietic or self-organizing phenomena.

New Scientistp. However, the composition of seawater is far from equilibrium, and it is difficult to explain this fact without the hiipotesis of organic processes. It is hypothesized that these are created by bacterial colonies that fix ions and heavy metals during their life processes.

Gaia hypothesis

A significant argument raised against it are the many examples where life has had a detrimental or destabilising effect on the environment rather than acting to regulate it. Also in the turn to the 20th century Aldo Leopoldpioneer in the development of modern environmental ethics and in the movement for wilderness conservation, suggested a living Earth in his biocentric or holistic ethics regarding land.

  HISTORIA DE UNA MAESTRA JOSEFINA ALDECOA PDF

Processing of the greenhouse gas CO 2explained below, plays a critical role in the maintenance of the Earth temperature within the limits of habitability. However, he finds that the agia weaker forms of Gaia—Coeveolutionary Gaia and Influential Gaia, which assert that there are close links between the evolution of life and the environment and that biology affects the physical and chemical environment—are both credible, but that it is not useful to use the term “Gaia” in this sense.

Wholeness and Disintegration in Ecology and Science. Golding’s advice was based on Gea, an alternative spelling for the name of the Greek goddess, which is used as prefix in geology, geophysics and geochemistry. Once dead, the living organisms’ hhipotesis fall to the bottom of the oceans where they generate deposits of chalk and limestone.

As the model runs the output gqia the “sun” increases, meaning that the surface temperature of an uninhabited “gray” planet will steadily rise. In the biogeochemical processes of the earth, sources and sinks are the movement of elements.

The only significant natural source of atmospheric carbon dioxide CO 2 is volcanic activitywhile the only significant removal is through the precipitation of carbonate rocks. The elements that comprise salinity do not readily change and are a conservative property of seawater.

Most accusations of teleologism ceased, following this conference. It would appear that the claim that Gaia acts “intentionally” was a metaphoric statement in his popular initial book and was not meant to be taken literally.

Gaia hypothesis – Wikipedia

In [this] new approach, environmental regulation is a consequence of population dynamics, not Darwinian selection. It is at least not impossible to regard the earth’s parts—soil, mountains, rivers, atmosphere etc,—as organs or parts of hipotesiw of a coordinated whole, each part with its definite function.

The Life of an Independent Scientist.

In accentuating the direct competition between individuals for resources as the primary selection mechanism, Darwin and especially his followers created the impression that the environment was simply a static arena”. It has been suggested that the results were predictable because Lovelock and Watson selected examples that produced the responses they desired.

  IBM UPS1500THV PDF

The resulting co-evolving dynamical process eventually leads to the convergence of hipotezis and optimal conditions”. The originality of the Gaia hypothesis relies on the assessment that such homeostatic balance is actively pursued with the goal of keeping the optimal conditions for life, even when terrestrial or external events menace them.

And if we could see this whole, as a whole, through a great period of time, we might perceive not only organs with coordinated functions, but possibly also that process of consumption as replacement which in biology we call metabolism, or growth.

HIPÓTESIS GAIA by loreto cabrera on Prezi

Chelsea Green Publishing,p. A Biography of Our Living Earth. Retrieved August 27, Potential effects and issues.

Aside from clarifying his language and understanding of what is meant by a life form, Lovelock himself ascribes most of the criticism to a lack of understanding of non-linear mathematics by his critics, hipoteeis a linearizing form of greedy reductionism in which all events have to be immediately ascribed to specific causes before the fact. Lovelock and gaiia Gaia-supporting scientists, however, did attempt to disprove the claim that hiotesis hypothesis is not scientific because it is impossible to test it by controlled experiment.

In this view, the atmosphere, the seas and the terrestrial crust would be results of interventions carried out by Gaia through the coevolving diversity of living organisms. How does the earth system generate and maintain thermodynamic disequilibrium and what does it imply for the future of the planet?

The hypothesis was formulated by the chemist James Lovelock [1] and co-developed by the microbiologist Lynn Margulis in hipoteiss s. Staley M September Basic Books,p. Retrieved 7 January Compositional and other changes associated with the presence of Life”.

The Gaia hypothesis has since been supported by a number of scientific experiments [44] and provided a number of useful predictions.