Insect herbivores and neighbourhood effects in plant communities of Al Jabal Al Akhdar, Libya
Abdlrahman,, Abdlrahman Y.A. (2011) Insect herbivores and neighbourhood effects in plant communities of Al Jabal Al Akhdar, Libya. PhD thesis, University of Nottingham.
Neighbouring plants in the locale of an individual plant may help or hinder it in the task of defence against herbivores, depending on their levels of defence (chemical or physical), and their interactions with potential herbivores. Such ‘neighborhood effects’ are part of the complex network of species interactions that structure ecological communities. This thesis sets out to test whether there are neighbourhood effects on insect herbivory among the plants of the Al Jabal Al Akhdar region of Libya. Having chosen to concentrate on the two main species of three study sites, Juniperus phoenicea and Pistacia atlantica, nine plots were mapped in detail and the insect herbivores sampled from focal plants, and then from all plants. Leaves were sampled for chemical analysis of their phenol (tannin) content.
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