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International Journal of Latest Research in Science and Technology

DOI:10.29111/ijlrst   ISRA Impact Factor:3.35

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INFLUENCE OF LANDSCAPE VARIABLES ON THE POPULATION DENSITY AND DISTRIBUTION OF BLACK SHAMA (COPSYCHUS CEBUENSIS STEERE) IN ARGAO WATERSHED RESERVE, ARGAO, CEBU, PHILIPPINES

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International Journal of Latest Research in Science and Technology Vol.3 Issue 6, pp 135-141,Year 2014

INFLUENCE OF LANDSCAPE VARIABLES ON THE POPULATION DENSITY AND DISTRIBUTION OF BLACK SHAMA (COPSYCHUS CEBUENSIS STEERE) IN ARGAO WATERSHED RESERVE, ARGAO, CEBU, PHILIPPINES

Archiebald Baltazar B. Malaki

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Received : 21 December 2014; Accepted : 26 December 2014 ; Published : 31 December 2014

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Abstract

This study determined the effects of landscape variables on the population density and distribution of Copsychus cebuensis within Argao watershed, a conservation priority area in Cebu Province in the Philippines. Distance point transect sampling method was used in assessing target species occurrence on the different forest patches being sampled. Results show that estimated population density of C. cebuensis were 52 and 53 individuals per hectare in mixed and natural forests and they are widely distributed among these strata especially in the mixed forest.. There were only three and four predictors at landscape and sampling site have explained the behavior of population density of C. cebuensis. Relative humidity and canopy cover were having high positive significant correlations while tree basal area had high negative correlation at landscape. Elevation and canopy cover have positive high significant and significant correlation while slope and shrub cover have negative significant correlation with C. cebuensis population density. The adjusted R2 values were 0.345 and 0.212 (for landscape and sampling site). These suggest that about 34.5% of the variations at the former have been accounted for and only 21.2% for the later, hence, regression at landscape is better than at sampling site. Thus, it is imperative to conserve, protect, and develop the remaining forest patches in AWR to sustain the population density of C. cebuensis.

Key Words   
Landscape Variables, Argao Watershed Reserve, Spatial Distribution of Black Shama Copsychus cebuensi

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References
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To cite this article

Archiebald Baltazar B. Malaki , " Influence Of Landscape Variables On The Population Density And Distribution Of Black Shama (copsychus Cebuensis Steere) In Argao Watershed Reserve, Argao, Cebu, Philippines ", International Journal of Latest Research in Science and Technology . Vol. 3, Issue 6, pp 135-141 , 2014

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