Top-down and bottom-up effects in a Fennoscandian tundra community
The objective of this thesis was to investigate the effects of mammalian grazers, such as microtine rodents and reindeer, (top-down effects) and nutrient availability (bottom- up effects) on the plant community of a tundra heath. I conducted a large-scale fertilization experiment and studied the imp...
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| Format: | Doctoral Thesis |
| Language: | English |
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Umeå universitet, Institutionen för ekologi, miljö och geovetenskap
2001
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| Online Access: | http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-96883 http://nbn-resolving.de/urn:isbn:91-7305-032-6 |