HIPOTESIS GAIA PDF

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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.

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These processes establish a global control system that regulates Earth’s surface temperatureatmosphere composition and ocean salinitypowered by the global thermodynamic disequilibrium state of the Earth system.

The resulting co-evolving dynamical process eventually leads to the convergence of equilibrium and optimal conditions”. Potential effects and issues. The composition of salt ions within our oceans and seas are: Lovelock has also hypothesised hipotrsis methanogens produced elevated levels of methane in the early atmosphere, giving a view similar to that found in petrochemical smog, similar in some respects to the atmosphere on Titan.

HIPÓTESIS GAIA by loreto cabrera on Prezi

Once dead, the living organisms’ shells fall to the bottom of the oceans where they generate deposits of chalk and limestone. Gaia scientists see the participation of living organisms in the carbon cycle as gala of the complex processes that maintain conditions suitable for life. Views Read Edit View history.

The web of life: Lapenis, which states the biota influence certain aspects of the abiotic world, e. The constant ocean salinity was a long-standing mystery, because no process counterbalancing the salt influx from rivers was known. New Scientistp. Biogeochemical Selection or Gaia?

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Retrieved from ” https: She defined Gaia as “the series of interacting ecosystems that compose a single huge ecosystem at the Earth’s surface. Can it be tested? These epochs are evidence against the ability of the pre Phanerozoic biosphere to fully self-regulate. 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, and a linearizing form taia greedy reductionism in uipotesis all events have to be immediately ascribed to specific causes before the fact.

However, she objected to the widespread gai of Gaia and stressed that Gaia is “not an organism”, but “an emergent property of interaction among organisms”. Attribution of recent climate change Aviation Biofuel Black carbon Carbon dioxide Deforestation Earth’s energy budget Earth’s radiation balance Ecocide Fossil fuel Global dimming Global warming potential Greenhouse effect Infrared window Greenhouse gases Halocarbons Land use, land-use change, and forestry Radiative forcing Tropospheric ozone Urban heat island.

Avoiding dangerous climate change Land allocation decision support system.

Gaia hypothesis

The latter is the “weakest” form of Gaia that Lovelock has advocated. The Revenge of Gaia: InTyler Volk argued that a Gaian system is almost inevitably produced as a result of an evolution towards far-from-equilibrium homeostatic states that maximise gaiaa production, and Kleidon agreed stating: Another influence for the Gaia hypothesis and the environmental movement in general came as a side effect of the Space Race between uipotesis Soviet Union and the United States of Hiotesis.

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Since barriers existed throughout the Twentieth Century between Russia and the rest of the world, it is only relatively recently that the early Russian scientists who introduced concepts overlapping the Gaia hypothesis have become better known to the Western scientific gais.

The hypothesis was formulated by the chemist James Lovelock [1] and co-developed by the microbiologist Lynn Margulis in the s. However, the composition of seawater is far from equilibrium, and it is difficult to explain this fact without the influence of organic processes. Rather than a discussion of the Gaian teleological views, or “types” of Gaia hypotheses, the focus was upon the specific mechanisms by which basic short term homeostasis was maintained within a framework of significant evolutionary long term structural change.

Toward a Physiology of Earth. Individual action on climate change Simple living. The Unity of Nature: The existence of a planetary homeostasis influenced by living forms had been observed previously in the field of biogeochemistryand nipotesis is being investigated also in other fields like Earth system science.

L’ambientalismo nuclearista di James Lovelock. Its study has, however, generated many new and thought provoking questions. One suggested explanation lies in the formation gqia salt plains throughout Earth’s history.

Gaia tra mito e scienza.

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