• Acacia trees on the cultural landscapes of the Red Sea Hills 

      Hobbs, Joseph J.; Krzywinski, Knut; Andersen, Gidske Leknæs; Talib, Mohamed; Pierce, Richard H.; Saadallah, Ahmed Ebaid Mohamed (Peer reviewed; Journal article, 2014-07-18)
      This paper examines interactions between five pastoral nomadic culture groups of the Egyptian and Sudanese Red Sea Hills and the acacia trees Acacia tortilis (Forssk.) Hayne subsp. tortilis and subsp. raddiana growing in ...
    • 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 ...
    • Palynological investigations in the sanctuary of Athena Alea 

      Bjune, Anne E.; Krzywinski, Knut; Overland, Anette (Papers and Monographs from the Norwegian Institute at Athens. series 4o, volume 4, Chapter, 2014)
    • Seed viability and germination success of Acacia tortilis along landuse and aridity gradients in the Eastern Sahara 

      Andersen, Gidske Leknæs; Krzywinski, Knut; Gjessing, Håkon K.; Pierce, Richard (Peer reviewed; Journal article, 2016-01)
      Our study focuses on the keystone species Acacia tortilis and is the first to investigate the effect of domestic ungulates and aridity on seed viability and germination over an extensive part of the Eastern Sahara. Bruchids ...
    • Tegea II: investigations in the sanctuary of Athena Alea 1990-94 and 2004 

      Bakke-Alisøy, Hege; Bjune, Anne E.; Drocourt, Nicolas; Eiring, Jonas; Ingvaldsen, Håkon; Ingvarsson-Sundström, Anne; Iozzo, Mario; Klempe, Harald; Krzywinski, Knut; Luce, Jean-Marc; Nicolardi, Margharet; Overland, Anette; Pakkanen, Jari; Sande, Siri; Tarditi, Chiara; Voyatzis, Mary E.; Ødegård, Knut; Østby, Erik (Papers and Monographs from the Norwegian Institute at Athens. series 4o, volume 4, Book, 2014)
    • 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 ...