Mw.ir. E. (Eke) Buis: "Arid landscape dynamics in the Northern Negev Desert of Israel; the influence of land use and climate changes"


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2 Sep 2008 16:00

Unit: Wageningen University

Location: Aula, building 362, Gen. Foulkesweg 1, Wageningen

Organisation: Wageningen University

Promotor: prof.dr.ir. A. Veldkamp (Soil Inventarisation and Land Evaluation)

Promotor: Prof.dr.ir. N. van Breemen

Co Promotor: Dr. B. Boeken (Jacob Blaustein Institute for Desert Research, Midreshet Ben-Gurion, Israel)

Semi-arid and arid regions are vulnerable to land degradation and desertification. These processes are often triggered by climate change and land use. Although the IPCC seems to take the dominance of climate change for granted, it is not that certain in the Northern Negev Desert of Israel. This region is very varied, caused by a large variation in climate, land use and landscape. In the desert border, the effect of climate change and land use is tested by reconstruction of the sediment dynamics since the Late Holocene by field and model studies. The most relevant driver of landscape dynamics in this region seems land use, especially ploughing and intensive livestock grazing. Climate fluctuations seem to have much less influence. It is thus of high importance to manage the land sustainable to avoid further degradation of drylands, both in the present and future.

Title thesis: "Arid landscape dynamics along a precipitation gradient. Adressing vegetation – landscape structure – resource interactions at different time scales. A case study for the Northern Negev Desert of Israel."

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