Diversity And Abundance Of Wet Land Bird Species In Lake Hora-Arsedi, Bishoftu Town, Oromia Regional State, Ethiopia

Abstract

The investigation of species diversity and abundance of birds was conducted from February 2017 to May 2017 in Lake Hora Arsedi in Bishoftu town. Point count method was used to investigate the abundance of birds. Observation was conducted by periodically walking along the study area early in the morning and late in the afternoon. Different diversity indices and statistical methods (Chi-square test and correlation) were used to analyze data collected during the field survey. Abundances of birds, their richness and evenness as well as bird‟s diversity recording were made. A total of 14 bird species grouped under 7 orders and 11 families were recorded. The month February had the lowest species diversity (H‟=0.33), species evenness (E=0.13) and species richness (12). The highest species diversity, evenness and richness were recorded in March and April (H‟=0.35), (E=0.35) and(S=14), respectively. Variation in abundance of birds was statistically significant between months and different times. Abundance score of frequency of bird species was high during rainy season and uncommon are high during small rainy seasons using encounter rate. Lake Hora Arsedi has a number of natural and human induced bird attractant features. The area possesses favorable places for birds to nest, rest, roost and a good access to food as well as water resources. Maintenance of bird watching records to monitor the effectiveness of management and to ensure early detection of any impact on bird numbers or behavior. Managing the health of water by avoiding the people who are taking shawor inside the lake, washing their closes and swimming.