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Manglar
Print version ISSN 1816-7667On-line version ISSN 2414-1046
Abstract
FLORES COCHACHIN, Melissa Karina; PALOMINO CADENAS, Edwin Julio; AGUILA, Keneth Reategui del and AGUIRRE BAIQUE, Nazario. Floristic diversity in the grasslands of the Arhuaycancha and Rurec streams, Peru. Manglar [online]. 2023, vol.20, n.3, pp.271-279. Epub Oct 09, 2023. ISSN 1816-7667. http://dx.doi.org/10.57188/manglar.2023.031.
The objetive of the study was to determine the floristic diversity in the grasslands of the Arhuaycancha and Rurec streams. The step transection method was used. In the Río Negro sub-basin, 70 species belonging to 19 families were found. Poaceae (31.43%) was the most abundant, followed by Asteraceae (20%), Juncaceae (7.14%), Cyperaceae (5.71%), Fabaceae (5.71), Gentianaceae (4.29%), Rosaceae (2.86%), Apiaceae (2.86%), Iridaceae (2.86%), Plantaginaceae (2.86%), Poligonaceae (2.86%), and others in a smaller percentage. In the Arhuaycancha stream, two dominant species were found: Distichia sp. (0.51%) and Calamagrostis spiciformis (0.43%), while in the Rurec stream, Agrostis breviculmis (0.29%) and Distichia sp. (0.28%) were determined as dominant species. The biomass production of the Arhuaycancha and Rurec was 9 608.7 kg/ha/MS and 9 999.2 kg/ha/MS respectively. Ecological processes improve with rest and are affected with continuous grazing. It is recommended to carry out rotational grazing and to recover the grasslands that are in the process of degradation.
Keywords : Andean grassland; biodiversity index; stocking capacity..