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Disponibilidad
Institución detectada Período Navegá Descargá Solicitá
No detectada desde mar. 1997 / hasta dic. 2023 Science Journals

Información

Tipo de recurso:

revistas

ISSN impreso

0036-8075

ISSN electrónico

1095-9203

Editor responsable

American Association for the Advancement of Science (AAAS)

País de edición

Estados Unidos

Fecha de publicación

Cobertura temática

Tabla de contenidos

Iconic CO 2 Time Series at Risk

Sander Houweling; Bakr Badawy; David F. Baker; Sourish Basu; Dmitry Belikov; Peter Bergamaschi; Philippe Bousquet; Gregoire Broquet; Tim Butler; Josep G. Canadell; Jing Chen; Frederic Chevallier; Philippe Ciais; G. James Collatz; Scott Denning; Richard Engelen; Ian G. Enting; Marc L. Fischer; Annemarie Fraser; Christoph Gerbig; Manuel Gloor; Andrew R. Jacobson; Dylan B. A. Jones; Martin Heimann; Aslam Khalil; Thomas Kaminski; Prasad S. Kasibhatla; Nir Y. Krakauer; Maarten Krol; Takashi Maki; Shamil Maksyutov; Andrew Manning; Antoon Meesters; John B. Miller; Paul I. Palmer; Prabir Patra; Wouter Peters; Philippe Peylin; Zegbeu Poussi; Michael J. Prather; James T. Randerson; Thomas Röckmann; Christian Rödenbeck; Jorge L. Sarmiento; David S. Schimel; Marko Scholze; Andrew Schuh; Parv Suntharalingam; Taro Takahashi; Jocelyn Turnbull; Leonid Yurganov; Alex Vermeulen

Palabras clave: Multidisciplinary.

Pp. 1038-1040

Response to Comments on “Intensifying Weathering and Land Use in Iron Age Central Africa”

Germain Bayon; Bernard Dennielou; Joël Etoubleau; Emmanuel Ponzevera; Samuel Toucanne; Sylvain Bermell

<jats:p> Neumann <jats:italic>et al</jats:italic> . argue that terrestrial evidence does not support our interpretation of large-scale human land use in Central Africa about 2500 years ago and that climate was the main driver of the rainforest crisis at that time, and Maley <jats:italic>et al</jats:italic> . raise a number of concerns about our interpretation of data from chemical weathering proxies. Taking into account existing palaeoclimatic data and clarifying some misconceptions, we reassert that humans must also have contributed fundamentally to this large vegetation change. </jats:p>

Palabras clave: Multidisciplinary.

Pp. 1040-1040

Comment on “Intensifying Weathering and Land Use in Iron Age Central Africa”

K. Neumann; M. K. H. Eggert; R. Oslisly; B. Clist; T. Denham; P. de Maret; S. Ozainne; E. Hildebrand; K. Bostoen; U. Salzmann; D. Schwartz; B. Eichhorn; B. Tchiengué; A. Höhn

<jats:p> Bayon <jats:italic>et al</jats:italic> . (Reports, 9 March 2012, p. 1219) interpreted unusually high aluminum-potassium ratio values in an Atlantic sediment core as indicating anthropogenic deforestation around 2500 years before the present (B.P.). We argue that there is no terrestrial evidence for forest destruction by humans and that the third millennium B.P. rainforest crisis can be clearly attributed mostly to climatic change. </jats:p>

Palabras clave: Multidisciplinary.

Pp. 1040-1040

Corrections and Clarifications

Palabras clave: Multidisciplinary.

Pp. 1040-1040

Decoding Cryptosystems

Rodney Van Meter

Palabras clave: Multidisciplinary.

Pp. 1040-1040

Comment on “Intensifying Weathering and Land Use in Iron Age Central Africa”

Jean Maley; Pierre Giresse; Charles Doumenge; Charly Favier

<jats:p> Bayon <jats:italic>et al</jats:italic> . (Reports, 9 March 2012, p. 1219) claim that the “rainforest crisis” in Central Africa centered around 2500 years before the present “was not triggered by natural climatic factors” and that it was caused by widespread deforestation resulting from the arrival of the Bantu colonists. However, there is a consensus among palaeoecologists that this landscape change and the related physical erosion it caused was due mainly to a shift to more seasonal rainfall regime. </jats:p>

Palabras clave: Multidisciplinary.

Pp. 1040-1040

A Creation Story for Humanity The Social Conquest of Earth by Edward O. Wilson Liveright (Norton), New York, 2012. 341 pp. $27.95, C$29.50, £18.99. ISBN 9780871404138.

Rudolf Griss

<jats:p>Wilson argues that a multilevel selection perspective offers the best approach to understanding the human condition.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1041-1041

Books Received

<jats:p> A <jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="http://www.sciencemag.org/site/feature/data/books/brl6098.xhtml">listing of books received</jats:ext-link> at <jats:italic>Science</jats:italic> during the week ending 24 August 2012. </jats:p>

Palabras clave: Multidisciplinary.

Pp. 1042-1042

The Source of Our Morality Moral Origins The Evolution of Virtue, Altruism, and Shame by Christopher Boehm Basic Books, New York, 2012. 426 pp. $28.99, C$33.5

Buyun Zhao

<jats:p>Drawing on studies of primates and human hunter-gatherer populations, Boehm offers a naturalistic explanation for the development of morality.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1042-1042

Climate Negotiators Create an Opportunity for Scholars

Joseph E. Aldy; Robert N. Stavins

<jats:p>Research must address how developed and developing countries can both contribute to emissions reduction.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1043-1044