Differences in air temperature, and solar radiation are also functions of elevation, specifically “photosynthetically active radiation” as these are expected to vary with along a gradient due to differences in topography of a region (Alves, et al 2010). Based off of this research, it was hypothesized steepness of slopes impacts vegetation in an area, where slopes that receive more sun have higher productivity. If this hypothesis is true, it was predicted that there will be a higher density of adults on the south slope and the lowest density on the north slope, the flat slope density will be in-between. Total biomass of all species, based on basal area, will be highest on south and lowest on the north slope. There will also be a higher density of saplings on the south slope and the lowest density on the north slope, the flat slope density will be in-between.
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