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Các nghiên cứu Moshi-La Paz 26 Chương trình nghị sự về "Hiệu ứng sử dụng đất đa dạng sinh học núi nhiệt đới và cận nhiệt đới" Các danh sách sau đây của các câu hỏi ưu tiên khoa học nổi lên từ các cuộc thảo luận của hai hội thảo GMBA (Moshi, Tanzania, 2002; La Paz, Bolivia, 2003) cùng để giải quyết chúng một cách tiếp cận phối hợp trên khắp thế giới cao nguyên sinh vật, đặc biệt tập trung trên các vùng nhiệt đới và cận nhiệt đới. Danh sách này minh họa cho các nghiên cứu cần. | 26 The Moshi-La Paz Research Agenda on Land Use Effects on Tropical and Subtropical Mountain Biodiversity The following list of priority scientific questions emerged from discussions at the two GMBA workshops Moshi Tanzania 2002 La Paz Bolivia 2003 along with the need to address them in a concerted approach across the world s highland biota with particular focus on the tropics and subtropics. This list exemplifies the required research but is not exhaustive. THE USE OF HIGHLAND VEGETATION AND HUSBANDRY SYSTEMS FOOD What is the sustainable annual biomass production of herbaceous including grass and woody vegetation in tropical and subtropical highlands What is the differential contribution of dominant tussock grasses and shrubs and subdominant species to overall yield and biodiversity What is the role of nitrogen-fixing plants and their phosphate limitation for overall yield What is the impact of grazing and trampling on pasture species diversity including wildlife and other trophic levels How can these impacts be modified by shepherding or the use of fences What is the significance of animal type stocking rate and animal weight for pasture integrity How does plant diversity affect the capacity to recover after disturbance resilience and ecosystem integrity How do wild and domestic animals interact on common pastureland FIRE ECOLOGY What is the optimal fire frequency for sustainable yield and biodiversity What is the differential effect of fire on dominant tussock grasses and shrubs vs. subdominant species Are there alternatives to burning for improving forage quality while at the same time maintaining or increasing biodiversity How does burning affect runoff and the export of solid organic and inorganic matter and dissolved nutrients What is the relative significance of climatic vs. anthropogenic controls of fire HIGHLAND CROPPING HUNTING AND GATHERING AND MEDICINAL PLANTS Establishing wild-medical-plant inventories of mountain regions. What is the effect of .