Trade, diseases and droughts: a model for societal changes...

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Trade, diseases and droughts: a model for societal changes in the Cuzco area during the last 4000

years.

ALEX CHEPSTOW-LUSTY

GuamanPoma, c. 1615

2007

French Institute of Andean Studies, Lima, PeruFrench Institute of Andean Studies, Lima, Peru

French Institute of Andean Studies, Lima, Peru

Michael R. Frogley (Sussex)Brian Bauer (Illinois at Chicago)Melanie Leng (NERC Isotope Geosciences Lab)Karin Boessenkool (Amsterdam)Alain Gioda (IRD, Lima)Andy Cundy (Brighton)Christopher Carcaillet (Montpellier)

Environmental and Cultural Change in Cuzco and adjacent

regions

ECCUZECCUZ

……everybodyeverybody needs an acronym...needs an acronym...

INTRODUCTIONINTRODUCTION

WHY THE WHY THE REGIONREGION

OF CUZCO?OF CUZCO?

c. AD 1400c. AD 1400--15321532

*

Rise & Fall of the Inca State c. AD Rise & Fall of the Inca State c. AD 14001400--AD 1532AD 1532

Cultural expansion: Cultural expansion: TiwanakuTiwanaku c. AD 500c. AD 500--AD 1100AD 1100 and and WariWari c. AD 600c. AD 600--AD 1000AD 1000

Map of the Cuzco region showing the position of lakes, marshesand other sites

Inca road

Marcacocha

Pasture

Archaeological sitespanning 2700 years

Inca road

“Lake” Marcacocha

Pasture

River Patacancha

*1000

1500 INCA

Concentration of pollen types at Marcacocha, Perou (Chepstow-Lusty et al. 2003).

MarcacochaMarcacocha

ORIBATID MITES

Economy and demographics

© Roy Norton

1900

1800

1700

1600

1500

1400

1300

1200

1100

1000

900

8000 20 40 60 80

0 1 2 3N-content (%)

1900

1800

1700

1600

1500

1400

1300

1200

1100

1000

900

800

Killke

Wari

Inca

Post-Inca

Mites (cm-3)

1

2

3

45

20 40C-content (%)

AD AD

* INCA

Oribatid mites/cm3

N%

C%

*

*

CURRENT PROJECTS FUTURE PROJECTS

Marcacocha

1900

1800

1700

1600

1500

1400

1300

1200

1100

1000

900

800

0 20 40 80

x10 0 10 20

x10 0 10

x10 2 0 20 40 60

0 20 40 60 80

0 1 2 3

Ncontent (%)

��

-28 -26�13 C (‰)

-30

1900

1800

1700

1600

1500

1400

1300

1200

1100

1000

900

800

Killke

Wa ri

Inca

P ost -Inca

20 40

Ccontent (%)

‘M W P’(wa rm phase )

‘M W P’(a rid phase )

transitiona lpe riod

10 20 30

C:N rati o

“M W P”

“LIA ”

δC 13

Diatoms Juncusseeds

Macro-charcoal

Charo-phytes

OribatidMites

*

C% N%

IncaEmpire

1100

1500

AD

OTHERINDICATORS

••

••

••••

••

1000

0

1000

2000

AD

BC

1500

1500

500

500

0 20 40 60 80

0 4 8 12

0 20 40

0 10 20

0 20 40 60 0 10 x103 x102 x102 x102 x10%

Concentration (number of pollen grains per cm 3)

m-4

m-1

m-3

m-2

Number per cm 3

FORMATIVE

Qotakalli

Killke

Wari

Inca

Post-Inca

Archaic

1000

0

1000

2000

AD

BC

1500

1500

500

500

Inorganics SedgesAlnus

Chenopods

AmbrosiaMaize

MITES

*

LE JOURNAL DU CNRS (05/07) Le Figaro (17/04) Pour la Science (05) Le Point (05/04)Le Nouvel Observateur (3/06)…

FRANCE 3 (6/04/2007)

SCIENCE « Editor’s choice » (30/03/2007)Los Angeles Times (31/03), New York Times (3/04)

The Times (26/03/2007)BBC News (26/03) : http://news.bbc.co.uk/1/hi/sci/tech/6490389.stmThe Daily Telegraph (27/03)

Interviews (26/03/2007) : Radio 4 (Today Programme), Radio 5 Live, Radio 2, Radio Scotland, Radio Wales, The World Service, Radio New Zealand, Radio France

Reference article : Chepstow-Lusty et al. (2007) Evaluating socio-economic change in the Andes using oribatid mite abundances as indicators of domestic animal densities. Journal of Archaeological Science, 34 : 1178-1186.

“WARM MEDIEVAL PERIOD”

(C. AD 1000-1490 )

VERSUS GLOBAL WARMING

SOLUTIONS:

Plantation and protection of Polylepis

and other native species (trees, shrubs and herbs)

Protection of forests

from livestock and

use of controlled fires

WhatWhat moremore? ?

* Restoration of irrigation canals and agricultural terraces where possible,

but always in close collaboration with local farmers and with a holistic

approach.

CHOQUEBAMBA TERRACES, PATACANCHA VALLEY,nr. OLLANTAYTAMBO-

CANAL SYSTEM RESTORED SUPPLYING THEM BUT IT WAS MOSTLY ABANDONED AFTER END OF

RURAL DEVELOPMENT PROJECT IN 1998

fin

Integrated programmesof development, conservation and restoration.

And, in the future?

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