An agronomist colleague and I are looking for known sites to test a field reconnaissance methodology for rapid verification, so we are looking for sites for which local "dark earths" have been verified as being anthropogenic in origin.
I suggest to have a look at this paper (attached): Lehmann J, Gaunt J, Rondon M. 2006. Bio-char Sequestration in Terrestrial Ecosystems – A Review. Mitigation and Adaptation Strategies for Global Change 11: 395-419.
I also suggest to check out Johannes Lehmann's website: http://www.css.cornell.edu/faculty/lehmann/
Wageningen University (NL) currently has a large research program on terra preta in the Amazonian basin. They should be able to provide you with some useful information.
http://www.terrapretaprogram.org
Hi Steven
I give you below some key references about the TPI sites in Rondônia
MILER, E. T. História da cultura indígena do alto médio-Guapóre: Rondônia e Mato Grosso. EDUFRO: 2000.
MEGGERS, B. J. Natural versus anthropogenic sources of Amazonian biodiversity: the continuing quest for Eldorado. In: BRADSHAW, G. A. e A, M. P. (Ed.). How landscapes change: human disturbance and ecosystem fragmentation in the Americas. Ecological studies 162. Berlin, Springer. Berlin: Springer, 2003. cap. 107, p.89. (Ecological Studies, 162).
You probably now but Eduardo Goes Neves has some master/doctor students working in this subject in Rondonia
Let me know if can help you more
Wenceslau
Thank you, Wenceslau. I am going to try to contact Dr. Neves about his work, and about who might be in this area now, if he is not. I am currently in Porto Velho working with UNIR geographers--I will be returning to the States in early July. Thank you also for the additional references. I am relatively new to this line of research, and am just building my knowledge of the literature, and of who works with this type of soil.
Hi Steven, if you are in RO maybe you should contact - Dr. Kleberson Souza and Angelo Ansur at Embrapa Rondonia both have experiences with TPI. I guess you know already the archeologist Zimpel at UNIR who did his master in TPI in JiParana and made some soil analyses in TPIs there. .
Thank you once again, Wenceslau. I sent Dr. Neves a message last night, but these contacts in Rondonia may be better able to help me in the time that I have left here. I did not know about Zimpel before, but will try to contact him here. I had intended to talk to UNIR archaeologists, so this provides a more specific person to contact.
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