Ulf Helldén

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2005
Mark Remote Sensing and Geomatics Strategies for Desertification and Land Degradation Monitoring and Assessment
Hill, Joachim and Helldén, Ulf ^LU (2005) Local & Regional Desertification Indicators in a Global Perspective.-AIDCCD-Active exchange of experience on indicators and development of prespectives in the context of UNCCD p.113-124
- Chapter in Book/Report/Conference proceeding › Paper in conference proceeding
2003
Mark Desertification and Theories of Desertification Control: A discussion of Chinese and European concepts
Helldén, Ulf ^LU (2003) China-EU Workshop on Integrated Approach to Combat Desertification p.94-104
- Chapter in Book/Report/Conference proceeding › Paper in conference proceeding
2001
Mark Climate Change and Land Degradation in Iceland
Helldén, Ulf ^LU and Olafsdottir, Rannvig (2001) p.78-79
- Chapter in Book/Report/Conference proceeding › Book chapter
1999
Mark Land degradation in NE Iceland : an assessment of extent, causes and consequences
Helldén, Ulf ^LU and Olafsdottir, Rannveig ^LU (1999) In Lund electronic reports in physical geography
- Book/Report › Report
Mark Desertification and global climate change – Little Ice Age desertification in Iceland?
Helldén, Ulf ^LU and Brogaard, Rannveig (1999) 2nd International Conference on Land Degradation; International Union of Soil Sciences (IUSS)
- Chapter in Book/Report/Conference proceeding › Paper in conference proceeding
1998
Mark Comments on dryland degradation assessment; In:Drylands-Sustainable Use of Rangelands into the Twenty-first Century
Helldén, Ulf ^LU (1998) p.25-30
- Chapter in Book/Report/Conference proceeding › Book chapter
1995
Mark Ökenspridning-ett lokalt problem?
Helldén, Ulf ^LU (1995) In Naturvetenskapliga forskningsrådet. Årsbok 1995 “Det evigt rinnande vattnet”. ss 131-142. p.131-142
- Contribution to journal › Article
1994
Mark Desertification, fact or fiction?
Helldén, Ulf ^LU (1994) In Our Planet. -The United Nations Environment Programme Magazine for Sustainable Development, 6(No. 5). p.33-33
- Contribution to journal › Article
1993
Mark Land Cover Conversion, Land Degradation and Desertification in Africa and Asian Drylands-An Assessment of Regional and Continental Change
Helldén, Ulf ^LU (1993) Int. Symp. on Remote Sensing in Arid and Semi-arid Regions-
- Chapter in Book/Report/Conference proceeding › Paper in conference proceeding
Mark An Approach to Monitoring and Assessment for Planning and Management in African Drylands
Helldén, Ulf ^LU (1993) Int. Symp. on "Natural Resource Inventory and Sustainable Management of Forested Areas in Africa" p.9-14
- Chapter in Book/Report/Conference proceeding › Paper in conference proceeding