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| Explanatory variables | Definition | Category |
Mediation level |
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| % tree | Percentage of space between the trees in the microhabitat. | Categorical: 0: absent; 1: <15%; 2: 15%–65%; 3: >65% | Ordinal |
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| % shrubs | Percentage of space occupied by shrubs in the microhabitat. | | |
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| % plants | Percentage of space occupied by the plants in the microhabitat. | | |
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| % grasses | Percentage of space occupied by grasses in the microhabitat. | | |
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| Tree height | Average height of dominant trees in the microhabitat. | Quantitative | Reason |
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| Shrubs height | Average height of dominant shrubs in the microhabitat. | | |
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| Trees numbers | Number of trees that are located in the microhabitat. | Quantitative | Reason |
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| DBH between 10 and 20 cm | Number of trees and shrubs with diameter at breast height (DBH) between 10 and 20 cm in the microhabitat. | Quantitative | Reason |
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| DBH between 21 and 40 cm | Number of trees and shrubs with DBH between 210 and 40 cm in microhabitat. | | |
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| DBH higher than 41 cm | Number of trees and shrubs with higher DBH to 41 cm in the microhabitat. | | |
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| Total DBH |
Sumatory of all DBH of all trees and shrubs in the microhabitat. | | |
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| Height between 3 m and 10 m | Number of trees with height from 3 to 10 m in the microhabitat. | Quantitative | Reason |
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| Height between 11 m and 20 m | Number of trees with height between 11 and 20 m in the microhabitat. | | |
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| Height between 21 m and 40 m | Number of trees with height between 21 and 40 m in the microhabitat. | | |
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| More than 41 m high | Number of trees with height greater than 41 m in the microhabitat. | | |
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| Emerging root | Number of trees with roots visible above-ground and in the microhabitat. | Quantitative | Reason |
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| Strong root | Number of trees with shallow roots with height greater than 20 cm in the microhabitat. | | |
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| Weak root | Number of trees with shallow roots with height less than 20 cm in the microhabitat. | | |
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| Tabloids roots | Number of trees with roots that are visible above-ground and in the microhabitat. | | |
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| Stilt roots | Number of trees with roots that are visible above-ground and in the microhabitat. | | |
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| Foliage between 0 and 10 m | Number of trees with leaves space taken from the shaft to the canopy from 0 to 10 m. | Quantitative | Reason |
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| Foliage between 11 and 20 m | Number of trees with leaves space taken from the shaft to the canopy from 11 to 20 m. | | |
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| Foliage more than 21 m | Number of trees with leaves space taken from the shaft to the greatest canopy 21 m. | | |
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| Holes with radius 5 cm to 20 cm | Number of gapped trees size between 5 and 20 cm radius from the ground level up to 2 m high. | Quantitative | Reason |
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| Holes with radius 21 cm to 40 cm | Number of gapped trees size between 21 and 40 cm radius from the ground level up to 2 m high. | | |
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| Gaps with greater than 41 cm radius | Number of trees with larger holes with a radius of 41 cm from ground level up to 2 m high. | | |
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| Smooth bark | Number of trees crusted with few layers forming flat plates in the microhabitat. | Quantitative | Reason |
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| Rough bark | Number of trees with bark layers arranged in small plates not uniform in the microhabitat. | | |
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| Bark with projections | Number of trees crusted with bumps in the microhabitat. | | |
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| Scaly bark | Number of trees crusted with overlapping structures in the form of flakes in the microhabitat. | | |
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| Fissured bark | Number of small trees with well-defined cortex and linearly spaced apart plates in the microhabitat. | | |
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| Litter depth | Inches of top soil where the litter is not decomposed in the microhabitat. | Quantitative | Reason |
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| Wind barrier | Microhabitat located on type of relief in the form of “V.” | Categorical: 0: absent. 1: present | Nominal |
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| Housing distance | Distance to the nearest microhabitat housing. | Quantitative | Reason |
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| Number of people | Number of people living closest to the microhabitat housing. | Quantitative reason | |
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