International Scholarly Research Notices / 2013 / Article / Tab 2 / Research Article
Landscape Pattern Impacts on the Population Density and Distribution of Black Shama (Copsychus cebuensis Steere) in Argao Watershed Reserve, Argao, Cebu, Philippines Table 2 List of landscape variables.
Habitat variables References Methods of measurement (1) Physical features (a) Altitude/elevation Bibby et al. [6 ] GPS receiver (b) Slope gradient Bibby et al. [6 ] Abney hand level (c) Aspect Bibby et al. [6 ] Compass (d) Distance/nearest streams/rivers Bibby et al. [6 ] Spatial Analyst (GIS) (2) Human disturbance (a) Dist. from sampling site to forest edge/road Spatial analyst (GIS) (b) Dist. from sampling site to a nearest village/community Spatial analyst (GIS) (c) Dist. to agriculture/cultivation Spatial analyst (GIS) (3) Vegetation structures (a) Total height (TH) Bibby et al. [6 ] Haga (b) Diameter at breast height (DBH) Bibby et al. [6 ]/Rosli et al. [7 ] Diameter tape (c) Canopy density Bibby et al. [6 ] Densitometer (d) BA of trees/ha Bibby et al. [6 ] Computation/equation (e) Tree density/ha Rosli et al. [7 ]/Posa and Sodhi [8 ] Computation/equation (f) % shrub/herb cover Rosli et al. [7 ]/Posa and Sodhi [8 ] Computation/equation (g) Number of trees Rosli et al. [7 ]/Posa and Sodhi [8 ] Ocular observation (g.1) Diameter classes Frequency/counts (g.2) Height classes Tally/counts (h) Presence and absence of bamboo thickets Kennedy et al. [9 ] Tally/counts Occular observation (i) Diversity index (
) Shannon-Weaver [10 ] (1
presence; 0
absence) Evenness index value (4) Microclimate (a) Temperature Rosli et al. [7 ]/Posa and Sodhi [8 ] Digital-min/max thermohygrometer (b) Relative humidity Rosli et al. [7 ]/Posa and Sodhi [8 ] EasyViewDigital Light (c) Light intensity Rosli et al. [7 ]/Posa and Sodhi [8 ] Meter-Model EA30