The principles guiding the use of birds as indicators of the ecological
one. A variety of bird species As a result of the evolution and adaptability to the environment, habitats
2. Habitat environment Determine the status of bird species local residents
three. Notable bird species in the local environment as an indicator of habitat use of birds as indicators of the environment and ecology. Considering the ecological roles of birds species locally. According to the Competitiveness And the predominance of birds species in the habitat together. Analysis of ecological importance index of species of birds (Importance ValueIndex - IVI), which is an average of ecological factors such as marital status, presence, abundance (relative abundance - RA) and the predominance of the species. According to the index, the dominant position (relative dominant - RD) compared with the IVI social bird habitat. IVI, which is the average population of all bird species bird with the IVI higher than the average population of all bird shows. A bird with a huge population. There appeared to have found abundant habitat, spreading wide. And success in the competition. To life with different bird species in the same environment as their habitat birds out. (Commonbirds) Outstanding very abundant, especially birds (common dominant birds), which has the status of the study coincided with the
third position at the most local realities. Used the species indicators, the environment and ecosystems, wildlife locality is ideal garden birds species with the IVI over the average population of all the birds that to them with a small population. There appeared little seen. A narrow endemic species restricted competition and adapting to different bird species poor. Or do not succeed in living in the local environment. Compared with the same local birds as they dominated the filter (uncommonbirds) are addressed. Number of species population size and the presence of the filter. Often deviate from reality. Due to the period of the survey data. And the continuation of education, inadequate coverage of species and number of birds that will be available in the local area, including mistakes from being unable to distinguish the species. Or identification of bird species found invalid. It should not take the species filter. Used as indicators of the environment and local wildlife ecology directly
with four birds and ecological environment in the
five most birds have adapted to life in a variety of habitat conditions. Immigration and live according to the changing environment with good social conditions in the forest are not separate and distinct. Make bird habitats often overlap in many environments. BY physical characteristics and habitat of birds.
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