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Bulletin of the Geobotanical Institute ETH

Volume 64 (1998)
Titelseiten _
Vorwort: Editorial _
Artikel: Soil characteristics and Chusquea bamboos in the Quercus forests of the Cordillera de Talamanca, Costa Rica 3
Artikel: Lemna yungensis, a new duckweed species from rocks of the Andean Yungas in Bolivia 15
Artikel: Does mowing in summer reduce the abundance of common reed (Phragmites australis)? 23
Artikel: Habitat use of foraging skylarks (Alauda arvensis L.) in an arable landscape with wild flower strips 37
Artikel: Review : Notes on the ecological restoration of fen meadows, ombrogenous bogs and rivers : definitions, techniques, problems 47
Artikel: Research Note : the appearance of two duckweed species in sewage effluents in Yaoundé (Cameroon), and their possible use for sewage treatment and feed production 63
Artikel: Research Note : Untersuchungen zur Trollius - Chiastocheta-Interaktion in kleinen, isolierten Pflanzenpopulationen 69
Artikel: Research Note : the N:P ratio and the nutrient limitation of wetland plants 77
Artikel: Research Project : zur relativen Bedeutung von Nährstoffeintrag und Wasserstand für die Biodiversität in Streuwiesen 91
Artikel: Research Project : testing speciation mechanisms in orchids witz molecular and ecological methods 103
Rubrik: Summaries of diploma and PhD theses (1997) 109
Vereinsnachrichten: Annual report of the Geobotanical Institute ETH (1997) 137
Werbung 147
Inhaltsverzeichnis _