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Impact of Cropping Methods on Biodiversity in Coffee Agroecosystems in Sumatra, Indonesia Ecology and Society
Gillison, Andrew N; Center for Biodiversity Management; andy.gillison@austarnet.com.au; Liswanti, Nining; Center for International Forestry Research; n.liswanti@cgiar.org; Budidarsono, Suseno; ; s.budidarsono@cgiar.org; van Noordwijk, Meine; ; :m.van-noordwijk@cgiar.org; Tomich, Thomas P; Alternatives to Slash and Burn (ASB), World Agroforestry Centre; t.tomich@cgiar.org.
The sustainable management of biodiversity and productivity in forested lands requires an understanding of key interactions between socioeconomic and biophysical factors and their response to environmental change. Appropriate baseline data are rarely available. As part of a broader study on biodiversity and profitability, we examined the impact of different cropping methods on biodiversity (plant species richness) along a subjectively determined land-use intensity gradient in southern Sumatra, ranging from primary and secondary forest to coffee-farming systems (simple, complex, with and without shade crops) and smallholder coffee plantings, at increasing levels of intensity. We used 24 (40 x 5 m) plots to record site physical data, including soil nutrients...
Tipo: Peer-Reviewed Reports Palavras-chave: Biodiversity indicators; Coffee-farming systems; Plant functional types; V-index.
Ano: 2004
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A Generic, Computer-assisted Method for Rapid Vegetation Classification and Survey: Tropical and Temperate Case Studies Ecology and Society
Gillison, Andrew N; Center for Biodiversity Management; andy.gillison@austarnet.com.au.
Standard methods of vegetation classification and survey tend to be either too broad for management purposes or too reliant on local species to support inter-regional comparisons. A new approach to this problem uses species-independent plant functional types with a wide spectrum of environmental sensitivity. By means of a rule set, plant functional types can be constructed according to specific combinations from within a generic set of 35 adaptive, morphological plant functional attributes. Each combination assumes that a vascular plant individual can be described as a "coherent" functional unit. When used together with vegetation structure, plant functional types facilitate rapid vegetation assessment that complements species-based data and makes possible...
Tipo: Peer-Reviewed Reports Palavras-chave: VegClass software; Gradsects; Plant functional attributes; Plant functional types; Rapid biodiversity assessment; Vegetation classification; Vegetation survey.
Ano: 2002
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