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A potential geoconservation map of the Las Lagunas area, northern Peru

Published online by Cambridge University Press:  21 July 2010

A. C. SEIJMONSBERGEN ,
J. SEVINK ,
L. H. CAMMERAAT  and
J. RECHARTE
A. C. SEIJMONSBERGEN*
Affiliation:
Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Sciencepark 904, 1098 XH Amsterdam, the Netherlands
J. SEVINK
Affiliation:
Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Sciencepark 904, 1098 XH Amsterdam, the Netherlands
L. H. CAMMERAAT
Affiliation:
Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Sciencepark 904, 1098 XH Amsterdam, the Netherlands
J. RECHARTE
Affiliation:
The Mountain Institute (Instituto de Montaña), Av. República de Panamá, 6539 Surco, Lima 33, Perú
*
*Correspondence: Dr A. C. Seijmonsbergen Tel: +31 20 5258137 Fax: +31 20 5257832 e-mail: [email protected]
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Summary

The Andean páramo ecosystems host geodiversity of global importance, but also have important societal functions, including agricultural production and delivery of water to people and industry. Páramo geo-ecosystems are highly susceptible to environmental degradation because of their alpine relief, extreme climate and fragile soils. In contrast to other parts of the world, geodiversity assessment studies in the Andes are scarce. A geodiversity assessment method was adapted and used to produce a potential geoconservation map of the Andean páramo. The Las Lagunas area (Cajamarca, Northern Peru) has a rich archive of climate proxy data and landscape reconstruction, and plays a key role in the functioning of regional geo-ecosystems. Undisturbed proxies for climate change are contained in four Late-Glacial recessional complexes of its former local ice cap and in pollen records preserved in the post-glacial peat cover. These new findings were used to develop a refined chronostratigraphy of the Late-Glacial warming period in the Andes of Northern Peru. Geo-ecosystem functions (for example water and carbon storage) depend on the environmental vulnerability and disturbance of the landforms and deposits. Therefore, potential geoconservation areas that combine a high scientific value and environmental vulnerability with a low disturbance and low frequency of occurrence should be prioritized for geoconservation. Such a strategy should also optimize sustainable use of resources and development of these areas. Mountainous countries like Peru require future management strategies that recognize and incorporate potential geoconservation information in regional planning, to prevent unnecessary loss of irreplaceable soils, climate proxies and geo-ecosystem functions upon future changes in land use and climate.

Keywords

ecosystem functioningenvironmental vulnerabilitygeodiversitygeomorphologyGISpáramo
Type
Papers
Information
Environmental Conservation , Volume 37 , Issue 2 , June 2010 , pp. 107 - 115
Copyright
Copyright © Foundation for Environmental Conservation 2010

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