Herbivores : The 38th Symposium of the British Ecological Society 1997 Book

	Preface
1	What we know and do not know about coevolution: insect herbivores and plants as a test case	7
2	The ecology and evolution of host plant range: butterflies as a model group	31
3	Genetic variation in cytochrome P450-based resistance to plant allelochemicals and insecticides	55
4	To leave or to stay, that is the question: predictions from models of patch-leaving strategies	85
5	The evolution of direct and indirect plant defence against herbivorous arthropods	109
6	Herbivore diversity and plant dynamics: compensatory and additive effects	175
7	Insect and nematode herbivory below ground: interactions and role in vegetation succession	205
8	Competition for light, plant-species replacement and herbivore abundance along productivity gradients	239
9	Cyclic grazing in vertebrates and the manipulation of the food resource	271
10	Herbivores, nutrients and trophic cascades in terrestrial environments	301
11	Digestive and ingestive adaptations of mammalian herbivores to low-quality forage	337
12	Functional responses to resource complexity: an experimental analysis of foraging by beavers	371
13	Scaling up from functional response to numerical response in vertebrate herbivores	397
14	Physiological flexibility and its impact on energy metabolism and foraging behaviour in birds	427
15	Community dynamics of vertebrate herbivores: how can we untangle the web?	447
16	Plant-carnivore interactions: evolutionary and ecological consequences for plant, herbivore and carnivore	483
17	Dynamics of consumer-resource interactions: importance of individual attributes	521
18	Individual-based modelling as an integrative approach in theoretical and applied population dynamics and food web studies	551
19	Predator control in terrestrial ecosystems: the underground food chain of bush lupine	577
	Author index	603
	Subject index	617