Browsing Bergen Open Research Archive by Author "Andersen, Gidske L."
Now showing items 1-5 of 5
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Change and variation in a hyer-arid cultural landscape: A merhodological approach using remote sensing timeseries (Landsat MSS and TM, 1973-1996) from the Wadi vegetation of the eastern desert of Egypt
Andersen, Gidske L. (Master thesis, 1999)Nine wadi localities in a hyper-arid environment have been registered in the field and studied using earth observation data. Branch height, crown – and trunk – diameter, and indicators of land-use such as present traces ... -
Long-term dynamics of wadi trees in a hyper-arid cultural landscape
Andersen, Gidske L. (Doctoral thesis, 2007-03-09)This study focuses on the long-term dynamics of wadi (dry river valley) trees, in particular Acacia tortilis (Forssk.) Hayne, in the hyper-arid Eastern Desert of Egypt. The project was motivated by the importance of drought ... -
Longevity and growth of Acacia tortilis; insights from 14C content and anatomy of wood
Andersen, Gidske L.; Krzywinski, Knut (Peer reviewed; Journal article, 2007-06-15)Background: Acacia tortilis is a keystone species across arid ecosystems in Africa and the Middle East. Yet, its life-history, longevity and growth are poorly known, and consequently ongoing changes in tree populations ... -
Mortality, Recruitment and Change of Desert Tree Populations in a Hyper-Arid Environment
Andersen, Gidske L.; Krzywinski, Knut (Peer reviewed; Journal article, 2007-02-14)Background: Long-term vegetation changes in hyper-arid areas have long been neglected. Mortality, recruitment and change in populations of the ecologically and culturally important and drought persistent Acacia tortilis ... -
Traditional nomadic tending of trees in the Red Sea Hills
Andersen, Gidske L.; Krzywinski, Knut; Talib, Mohamed; Saadallah, Ahmed Ebaid Mohamed; Hobbs, Joseph J.; Pierce, Richard H. (Peer reviewed; Journal article, 2014-04-12)There are recurring questions about the ecological sustainability of indigenous resource management and what traditional ecological knowledge and rationale underlie such practices. Pastoral nomads from the Hadandawa, Amar ...