Species richness and conservation status of ferns and lycophytes in Sibagat, Agusan del Sur, Caraga Region, Philippines
Paper Details
Species richness and conservation status of ferns and lycophytes in Sibagat, Agusan del Sur, Caraga Region, Philippines
Abstract
Ferns and lycophytes play an essential role in the environment and provide substantial benefits to human consumption. This study aimed to determine the species richness and conservation status of ferns and lycophytes in Brgy. Tabon-Tabon, Sibagat, Agusan del Sur, Caraga Region, Philippines. Three stations were established and measured 30m x 30 meters. Inside each station, a 1m × 1m plot is built with an interval of 1 meter. Results show that thirteen thousand eighty-four (13,084) individuals belonging to six species under five families were recorded. There were six species Nephrolepis cordifolia, Nephrolepis biserrata, Davalia solida, Diplazium esculentum, Tectaria athyriosora and Selaginella delicatula categorized as Least Concern (LC) by the International Union for Conservation of Nature (IUCN). While five species Nephrolepis cordifolia, Diplazium esculentum, Davallia solida, Tectaria athyriosora, and Selaginella delicatula are considered Philippine endemic. On the other hand, two species Tectaria athyriosora and Nephrolepis cordifolia were Mindanao endemic. It indicates that the sampling area demonstrates the richness of ferns and lycophytes based on the observed species. Thus, the significance of the study provides baseline information on which the sampling area must be adequately managed to conserve the fern species further.
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