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Coffee crop sustainability in Mozambique and quality under agroforestry system on Gorongosa mountain

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Summary:This dissertation provides newly and timely data related to crop management involving Coffea arabica L. cv. Costa Rica grown under the full sun (FS) exposure and under Agroforestry System (AFS) management systems, the latter considering moderate (MS) and dense (DS) shade levels in Gorongosa Mountain, highland of Gorongosa National Park. In this area the studies considered as well in three altitudes (650, 825, and 935 m a.s.l). The existence of suitable cropping areas under AFS vs. FS systems were also evaluated through a modelling approach for the entire area of Mozambique and for the Gorongosa Mountain until 2100, in a context of predicted climate changes and global warming (CC). Therefore, climate models use, along with field and laboratory experiments were performed to investigate the agronomic, environmental and socio-economic implications to the coffee crop (C. arabica L.) under the prevalent and estimated environmental conditions at the whole country level of Mozambique, and in particular, in the Gorongosa mountain. A distribution modeling approach revealed that actual suitable areas for C. arabica in Mozambique will be negatively affected under future scenarios (SSP126 to SSP585) in both systems (AFS and FS), worst under for FS. Under AFS are predicted the reduction of suitable areas below 50% by 2040, and between 53% and 82% by 2080 (depending on the scenarios) at the whole country level, whereas in the Gorongosa Mountain all scenarios point to area losses between 27% (2040) and 50% (2080). However, under the FS system it was predicted an absence of suitable cropping areas at the entire country by 2040 and onwards, including at the Gorongosa Mountain. Regarding to beans quality, AFS associated to altitude effect suggested the positive changes on some of the physical (bean mass) and chemical attributes (trigonelline, glucose and fructose) of coffee beans which are very important for the improvement of sensory profile. Finally, the Internal rate return (IRR) indicated that coffee agroforestry in the Gorongosa Mountain is economically viable under farmer´s land and Park´s land management. Overall, implementation of coffee production under AFS can be crucial for mitigate future CC and for guarantee the livelihood of smallholder and conservation and restoration of rainforest in the Gorongosa Mountain.
Main Authors:Cassamo, Crimildo Teles
Subject:Agroforestry Altitude Bean quality Climate change Crop management Economic feasibility Light/Shade environment Temperature
Year:2022
Country:Portugal
Document type:doctoral thesis
Access type:open access
Associated institution:Universidade Nova de Lisboa
Language:English
Origin:Repositório Institucional da UNL

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