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ALP A

ALP A is one of two one hectare (20 m x 500 m) intensive measurement plots established in the Allpahuayo site. These plots are located on long-established forest inventory plots within the RAINFOR network that have been inventories and monitored for above ground stem productivity since the early 1980s.

Metadata
Altitude (m): 110 m
Mean annual temperature (°C): 26
Mean annual precipitation (mm yr-1): 3000
Average tree height:
Soil organic layer depth (cm):
Soil parent material:
Slope (%):
Aspect:
Dominant families:

Where are we working?

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Photos and images

Medium_nature
Uploaded 6 Feb 2014 by Cécile Girardin. Copyright © 2022.

Congratulations to the GEM team (Chris, Yadvinder & Liana) who co-authored a paper in Nature this week (cover story):

"The paper answers a long-standing question about the net carbon balance of the Amazon forest. It uses aircraft flights throughout the year at four different locations to measure the change in carbon dioxide concentration if air as it passes over the Amazon Basin. The study shows that in wet years and wet seasons the Amazon is a net sink (i.e. absorbs carbon) from the atmosphere, but in dry years and dry seasons it is carbon neutral or a source of carbon. Our main contribution in Oxford was to provide insight from our RAINFOR-GEM intensive monitoring plots across Amazonia, which suggest that the loss of the carbon sink was caused by a reduction in photosynthesis." (Y. Malhi blog, Feb 2014)

Gatti L.V., M. Gloor, J. B. Miller, C. E. Doughty, Y. Malhi, L. G. Domingues, L. S. Basso, A. Martinewski, C. S. C. Correia, V. F. Borges, S. Freitas, R. Braz, L. O. Anderson, H. Rocha, J. Grace, O. L. Phillips & J. Lloyd Drought sensitivity of Amazonian carbon balance revealed by atmospheric measurements, Nature 506, 76–80. Supplementary Info

Download the paper from here: http://is.gd/WZmcSs

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People

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    Yadvinder Malhi

    I am Professor of Ecosystem Science at Oxford University.
    I lead the Ecosystems Programme at the Environmental Change Institute, with a focus of understanding the functioning of tropical forests and...

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    Oliver Phillips

    My long-term research goal is to understand the dynamics of carbon and biodiversity across the world’s tropical forests, how these change with our changing climate, and how they may feedback...

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    Cécile Girardin

    I coordinate carbon cycling data for the GEM network. I am an ecosystems scientist focussing on carbon dynamics of tropical forest ecosystems. Following my PhD at Oxford University School of...

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    Georgia Pickavance

    I am a Database Assistant, supporting the tropical forest database ForestPlots.net and associated research projects RAINFOR, Afritron and T-FORCES. I am studying for a Masters in GIS alongside my research...