Factors affecting avifauna diversity in selected mangrove areas of Misamis Oriental, Philippines: Basis for conservation and management

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Research Paper 01/08/2021
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Factors affecting avifauna diversity in selected mangrove areas of Misamis Oriental, Philippines: Basis for conservation and management

Joly Bee A. Olila, Richel E. Relox
J. Bio. Env. Sci.19( 2), 32-42, August 2021.
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Ecological and anthropogenic factors may influence the distribution and diversity of birds. This study assessed the avifauna and mangrove species composition, abundance, and diversity as well as the socio-economic and institutional conditions in three coastal ecosystems of Molugan, El Salvador City; Baybay, Alubijid and Tubajon, Laguindingan, Misamis Oriental. Point count and mist-netting methods were used to survey birds, quadrat method to survey mangroves, household survey to 212 respondents and Geographic Information System (GIS) in mapping birds, mangroves and human activities. Results showed a total of nine (9) Orders, 19 Families, 22 species and 1,168 individuals were documented in three selected areas. Baybay had the highest diversity index (2.46), followed by Molugan (1.96) and Tubajon got the lowest (1.70). As for the mangroves, five (5) species were recorded namely: Rhizophora mucronata, Sonneratia alba, Avicennia alba, Avicennia rumphiana and Rhizophora apiculata. However, continuing threats such as growing human population, land-use changes and weak management in the coastal ecosystems led to its unsustainability. Thus, the diversity of birds is highly dependent on the mangrove species and zonation and human activities in the coastal areas. Hence, regular monitoring of programs and policies by stakeholders to ensure sustainability and conservation of birds and mangroves species is recommended.


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