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7 - Water resources and functions for agro-ecological systems at the landscape scale

from Part III - Food production globally: in hotspot regions and in the landscape

Published online by Cambridge University Press:  05 August 2014

Johan Rockström ,
Malin Falkenmark ,
Carl Folke ,
Mats Lannerstad ,
Jennie Barron ,
Elin Enfors ,
Line Gordon ,
Jens Heinke ,
Holger Hoff  and
Claudia Pahl-Wostl
Johan Rockström
Affiliation:
Stockholm Resilience Centre
Malin Falkenmark
Affiliation:
Stockholm Resilience Centre
Carl Folke
Affiliation:
Beijer International Institute of Ecological Economics, Stockholm
Mats Lannerstad
Affiliation:
Stockholm Environment Institute
Jennie Barron
Affiliation:
Stockholm Environment Institute
Elin Enfors
Affiliation:
Stockholm Resilience Centre
Line Gordon
Affiliation:
Stockholm Resilience Centre
Jens Heinke
Affiliation:
Potsdam Institute for Climate Impact Research (PIK) and International Livestock Research Institute
Holger Hoff
Affiliation:
Stockholm Environment Institute
Claudia Pahl-Wostl
Affiliation:
Universität Osnabrück
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Summary

This chapter analyses the implications of agricultural expansion on landscape multifunctionality in terms of water, and the related functions of agro-ecosystem services. Through manipulation of water stocks and flows, and landscape characteristics it is feasible to transform agricultural land from degraded to intermediate levels of multiple ecosystem services or beyond. The focus is on water balance alteration and within-stream and downstream effects for other users. The chapter highlights the landscape-scale resilience perspective, based on a set of landscape-scale indicators. It analyses three landscapes with rainfed cultivation, all in the tropical, semi-arid and sub-humid zone and under rapid transformation, and concludes that there is still potential to better utilise water functions and ecosystem services in most agricultural systems.

Social–hydrological–ecological systems at the landscape scale

Healthy water flows are key to sustaining the multiple ecosystem services that underpin the sustainability of social–ecological systems at the landscape scale (meso-scale, here defined as 1–10 000 km2 after e.g. Blöschl, 1996; Montanari and Uhlenbrook, 2004). Water shapes a range of provisioning, supporting, regulating and cultural ecosystem services, directly and indirectly through the presence or absence of water in time and space. This chapter discusses fundamental aspects of water and ecosystem services, and the management of these, with a particular emphasis on tropical, semi-arid and sub-humid zones experiencing rapid transformation and development for human benefit.

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Water Resilience for Human Prosperity , pp. 194 - 224
Publisher: Cambridge University Press
Print publication year: 2014

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