DRAFT TEXT FOR DISCUSSION
Integrated Methods for Monitoring and Assessing Desertification/Land Degradation Processes and Drivers
(Land Quality)
DRAFT
White Paper of DSD Working Group 1 Version 2, 19 August 2009
Drylandscience for Development Consortium (DSD)
Document open for comments until
31 October 2009
at
http://www.drylandscience.org
DSD_WG1_White-Paper_Version2_20090819.doc
Page 1 of 173
DRAFT TEXT FOR DISCUSSION
This is document is the 2nd DRAFT of the White Paper of DSD Working Group 1 It builds on the first version from 22nd May 2009 and considers comments and input received between end of May 2009 and mid August 2009 This 2nd version is the basis for discussion at the first UNCCD CST Scientific Conference 22 to 24 September 2009 Buenos Aires
Comments on this version can be provided online at http://www.drylandscience.org
Based on the further work of DSD Working Group 1, the discussions during the Scientific Conference and the comments received online, a final version will be elaborated.
DSD_WG1_White-Paper_Version2_20090819.doc
Page 2 of 173
DRAFT TEXT FOR DISCUSSION
Table of Contents
1. 1.1. 1. 2. INTRODUCTION.........................................................................................................13 Introduction to the White Paper...................................................................................14 The use of the terms "desertification", "monitoring" and "assessment" in the context of this report....................................................................................................20 1.2.1 Definition and boundary setting of "desertification" .......................................20 1.2.1.1 The pairing of "desertification and land degradation" ........................20 1.2.1.2 A phenomenological distinction between "land degradation" and "desertification"................................................................................22 1.2.1.3 Land degradation and desertification in hyper-arid areas ...............22 1.2.1.4 Land degradation and desertification in non-drylands ....................23 1.2.1.5 Global climate change and the spatial boundary setting of desertification ..................................................................................23 1.2.1.6 "Climatic variations" and the persistence of productivity loss..........24 1.2.2 1.2.3 1.3 Definition of Monitoring and its Boundary Settings .......................................25 Definition of Assessment and its Boundary Settings.....................................26

下一页