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1	Present-day constraints and prospects for improvements in shade management in cacao cultivation in two Mayan villages in Toledo District, Belize. Wikström, Jenny January 2014 (has links) Slash-and-burn agriculture is, under conditions with increasing pressure on resources, one cause of deforestation and land degradation. The Mayas of southern Belize use a type of slash-and-burn farming which is currently degrading the environment. On the other hand, cacao cultivation can be an integrated part of multi-storey agroforestry systems, indicated to provide capacity to maintain biodiversity. The Mayas have traditionally farmed cacao and it is now becoming an important cash crop in the district. Institutional stakeholders in Toledo district and six cacao farmers in two Mayan villages was interviewed for this study. The focus was to identify perceived constraints and prospects, as well as considerations of improvements, in shaded cacao cultivation. The farmers who participated in this study produce organic cacao under small-scale farming conditions, growing cacao under a canopy of mainly fruit and timber trees, providing income and food. Banana/plantain (Musa sp.), Salmwood (Cordia alliodora) and Cedar (Cederela odorata) are common shade species. Shade trees are randomly planted and timings for shade management is varying. Many of the farmers experience that their shade management can improve. Weather, disease, income and lack of knowledge are some of the issues in shaded cacao farming in the south of Belize. There is an on-going development of the local cacao market and the organic and Fair Trade production is constantly growing. More attention needs to be given to further research for improvements in shade management, as well as better access to resources for the local cacao farmers. Shade management cacao farming agroforestry Toledo District Belize.
2	Biophysical Drivers of Tree Crop Performance in Shade Agroforestry Systems: The Case of Coffee in Costa Rica Campbell, Leslie 24 July 2012 (has links) Agroforestry production methods present one option for addressing growing concerns about the long term sustainability of intensive coffee production techniques. A study was designed to compare the effects of fertilization and shading from two leguminous species, Erythrina poeppigiana and Chloroleucon eurycyclum, on coffee grown at a Costa Rican research site. Coffee below biannually pruned, conventionally fertilized Erythrina exhibited the highest photosynthetic performance under both low and high light levels as well as greater biomass and higher N concentration. Soil P did not affect coffee performance, although shade trees on sites with higher soil P fixed more N compared to trees grown on low P sites, most of which were not found to be fixing. Results suggest shade mechanisms are the most important drivers of coffee adaptation in coffee agroforestry systems, though proper soil nutrient management and legume species pairing also appear to augment coffee response to microclimate conditions. Agroecology Resource management Agroforestry Coffee Tropical agriculture Soil management Shade management 0473 0285 0368
3	Biophysical Drivers of Tree Crop Performance in Shade Agroforestry Systems: The Case of Coffee in Costa Rica Campbell, Leslie 24 July 2012 (has links) Agroforestry production methods present one option for addressing growing concerns about the long term sustainability of intensive coffee production techniques. A study was designed to compare the effects of fertilization and shading from two leguminous species, Erythrina poeppigiana and Chloroleucon eurycyclum, on coffee grown at a Costa Rican research site. Coffee below biannually pruned, conventionally fertilized Erythrina exhibited the highest photosynthetic performance under both low and high light levels as well as greater biomass and higher N concentration. Soil P did not affect coffee performance, although shade trees on sites with higher soil P fixed more N compared to trees grown on low P sites, most of which were not found to be fixing. Results suggest shade mechanisms are the most important drivers of coffee adaptation in coffee agroforestry systems, though proper soil nutrient management and legume species pairing also appear to augment coffee response to microclimate conditions. Agroecology Resource management Agroforestry Coffee Tropical agriculture Soil management Shade management 0473 0285 0368
4	Economic valuation of of land use change - A case study on rainforest conversion and agroforestry intensification in Central Sulawesi, Indonesia / Die ökomische Bewertung des Landnutzungswandels - Eine Fallstudie über die Umwandlung von Regenwald und die Intensivierung von Agroforstsystemen in Zentral-Sulawesi, Indonesien Juhrbandt, Jana 08 July 2010 (has links) No description available. 630 Landwirtschaft Veterinärmedizin Agricultural Sciences Landnutzungswandel Kakao Agroforstsysteme Schattenmanagement Intensivierung Trade-offs Ökonomische Bewertung Ökosystemdienstleistungen PES land use change cocoa agroforestry systems shade management intensification trade-offs economic valuation ecosystem services PES 83.63 YLM 000: Asien {Agrargeographie}
5	Birds, bats and arthropods in tropical agroforestry landscapes: Functional diversity, multitrophic interactions and crop yield Maas, Bea 20 November 2013 (has links) No description available. 630 birds bats arthropods multitrophic interactions agroforestry tropical landscape forest margin landscape functional diversity crop yield exclosure experiments experimental exclusion arthropod suppression avian predation ecosystem services mist netting point counts artificial plasticine caterpillar dummy experiment biological control monitoring mapping Lemon-bellied White-eye Grosbeak Starling Zosterops chloris Scissiostrum dubium Theobroma cacao cacao agroforestry cacao diseases cacao harvest cacao pests flying vertebrates aerial insectivores volant vertebrates logging breeding colony flower herbivory mesopredator release predatory insects ants spiders aphids Lepidoptera Coleoptera Lepidopteran larvae sustainable agriculture sustainable agroforestry management implications management recommendations applied managament extensive land use management landscape management conservation biodiversity-friendly dbh distance to forest forest proximity habitat conversion herbivory Indonesia insectivorous bats insectivorous birds invertebrates Central Sulawesi Napu valley leaf gleaning leaf herbivory pests insects phytophagous insects plant productivity remnant forest trees shade tree managament South-east Asia Paleotropics tropical landscape tree height landscape gradient local shade management Cacao Pod Borer Cherelle Wilt fruit abortion Helopeltis sulawesi deforestation habitat fragmentation land use intensification forest margin species critical decline predation experiment species-specific functions Southeast Asia biodiversity conservation mesopredators food security human welfare human well-being poverty alleviation poverty reduction smallholder cacao smallholder plantation cacao farmers sustainable cacao management landscape perspective landscape scale large scale field experiment long term field experiment human wellbeing economic importance economic value valuation ecosystem services landscape matrix yield quality yield quantity fruit productivity species identity species diversity species richness ecosystem functioning pesticide use chemical compounds complex food web tritrophic interactions wildlife-friendly rural livelihoods endangered bird species endangered bat species endemic endemic birds endemic bats beneficial impact IUCN Lore Lindu National Park bioindicator indicator species forest margin agricultural habitat agroforestry systems population density predation activity species activity cacao flower cacao pod Orthoptera linear mixed effect models Tukey Post Hoc Test AICc model selection generalized least squares restricted maximum likelihood model simplification species richness estimator species accumulation linear mixed-effects models Likelihood Ratio Test Maximum Likelihood nocturnal insects diurnal arthropods nocturnal arthropods diurnal insects landscape context Land- und Forstwirtschaft (PPN621302791)

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