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Cultivos Tropicales

versión On-line ISSN 1819-4087

Resumen

GONZALEZ, Yaniuska et al. The functioning of a pre-mountain agroecosystem and its prospective orientation towards sustainability: the role of agrobiodiversity. cultrop [online]. 2018, vol.39, n.1, pp. 21-34. ISSN 1819-4087.

ABSTRACT The research was carried out in “Finca La Loma” agroecosystem, Limonar de Monte Rous community, Guantanamo province, Cuba and had the objective of characterizing the integral functioning of a pre-mountain agroecosystem, for its prospective orientation towards sustainability, based on its agrobiodiversity. The initial diagnosis showed that the agroecosystem possessed acceptable socioeconomic and environmental conditions, revealed in the quality of life of the actors and the abundant agrobiodiversity. The analysis by subsystem, showed the existence of 249 species of 79 families; of them 41 forest species, being Hura crepitans L., the one with the highest carbon retention and Poeppigia procera Presl., the one with the highest frequency. 28 new species were introduced to meet food needs. The value of the Agrobiodiversity Index (IDA) went from 0,67 to 0,77 in three years. The Human Food Index was based on 56 species. The contributions to the sustainability of the agroecosystem showed positive effects for the qualitative and quantitative indicators. Problems related to the lack of: attachment to “the land” among the young, training, afforestation and areas to be developed were detected; limiting to the prospective development of the agroecosystem

Palabras clave : species diversity; estimation of carbon stocks; reforestation; carbon sequestration; sustainability.

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