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Plant genetic resources in mountain oases of northern Oman

Gebauer, Dr. Jens; Luedeling, M.Sc. Eike; Hammer, Prof. Dr. Karl and Buerkert, Prof. Dr. Andreas (2008) Plant genetic resources in mountain oases of northern Oman. Poster at: Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

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Summary

In this study we assessed the genetic resources of three mountain oases in the al-Hajar range using a GIS-based field survey and farmer interviews. While arid conditions prevail throughout the mountain range, the different elevations of the oases in the Jabal al Akhdar mountains provide markedly differing agro-climatic conditions. Overall, 107 different crop species were identified belonging to 39 families. Species number was highest among fruits (33 spp.), followed by vegetables (24 spp.). Intensive irrigation allows cultivation of a broad range of species at all oases. However, the number of species varied significantly among sites. Fruit species diversity and homogeneity of the distribution of individual fruit species was highest at Balad Seet and lowest at Maqta, as indicated by respective Shannon indices of 1.00 and 0.39 and evenness values of 32% and 16%. Century plant, faba bean and lentil were identified as relict crops, supporting oral reports of past cultivation and providing evidence of genetic erosion. Overall greatest species similarity was found between Balad Seet and Al Jabal al Akhdar, as indicated by a Sørensen coefficient of similarity of 67%. Overall the study shows a location-specific but surprisingly diverse mosaic of crops in Omani mountain oases that merits further studies and conservation efforts.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:crop diversity, genetic erosion, indigenous knowledge, multicropping systems
Subjects: Crop husbandry > Crop combinations and interactions
Research affiliation: International Conferences > 2008: IFOAM OWC: Research Track / ISOFAR > 6.2 Agro-Ecology
Germany > University of Kassel > Department of Agrobiodiversity
Deposited By: Gebauer, Dr. Jens
ID Code:11900
Deposited On:30 Sep 2008
Last Modified:12 Apr 2010 07:36
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted
Additional Publishing Information:This paper is published in the conference proceedings:
Neuhoff, Daniel; Halberg, Niels; Alfldi, Thomas; Lockeretz, William; Thommen, Andreas; Rasmussen, Ilse A.; Hermansen, John; Vaarst, Mette; Lck, Lorna; Carporali, Fabio; Jensen, Henning Hgh; Migliorini, Paola and Willer, Helga, Eds. (2008) .Cultivating the Future Based on Science. Proceedings of the Second Scientific Conference of the International Society of Organic Agriculture Research (ISOFAR), held at the 16th IFOAM Organic World Congress in Cooperation with the International Federation of Organic Agriculture Movements (IFOAM) and the Consorzio ModenaBio, 18 . 20 June 2008 in Modena, Italy.. International Society of Organic Agriculture Research (ISOFAR), c/o IOL, DE-Bonn, Research Institute of Organic Agriculture FiBL, CH-Frick. http://orgprints.org/13672 and http://orgprints.org/13674

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