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  2. Basal area - Wikipedia

    en.wikipedia.org/wiki/Basal_area

    Basal area is the cross-sectional area of trees at breast height (1.3m or 4.5 ft above ground). It is a common way to describe stand density. In forest management, basal area usually refers to merchantable timber and is given on a per hectare or per acre basis. If one cut down all the merchantable trees on an acre at 4.5 feet (1.4 m) off the ...

  3. Stocking (forestry) - Wikipedia

    en.wikipedia.org/wiki/Stocking_(forestry)

    When stocking, a tree's basal area is measured. The basal area is a cross-sectional area of the stump taken about 4.5 feet (1.4 m) above the ground. [7] The equation for calculating the basal area of trees in a stand is Basal Area = 0.005454 DBH 2, where DBH is the diameter of the tree at the aforementioned measuring height. [7]

  4. Quadratic mean diameter - Wikipedia

    en.wikipedia.org/wiki/Quadratic_mean_diameter

    where BA is stand basal area, n is the number of trees, and k is a constant based on measurement units - for BA in ft 2 and DBH in inches, k=0.005454; for BA in m 2 and DBH in cm, k=0.00007854. References

  5. Category:Statistical charts and diagrams - Wikipedia

    en.wikipedia.org/wiki/Category:Statistical...

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  6. Area chart - Wikipedia

    en.wikipedia.org/wiki/Area_chart

    Area charts which use vertical and horizontal lines to connect the data points in a series forming a step-like progression are called step-area charts. Area charts in which data points are connected by smooth curves instead of straight lines are called spline-area charts. [3] Stacked area charts in which the area is displaced around the central ...

  7. Chart - Wikipedia

    en.wikipedia.org/wiki/Chart

    A radar chart or "spider chart" or "doi" is a two-dimensional chart of three or more quantitative variables represented on axes starting from the same point. A waterfall chart also known as a "Walk" chart, is a special type of floating-column chart. A tree map where the areas of the rectangles correspond to values. Other dimensions can be ...

  8. Data and information visualization - Wikipedia

    en.wikipedia.org/wiki/Data_and_information...

    Streamgraph (type of area chart) width; color; time (flow) A type of stacked area chart that is displaced around a central axis, resulting in a flowing shape. Unlike a traditional stacked area chart in which the layers are stacked on top of an axis, in a streamgraph the layers are positioned to minimize their "wiggle".

  9. Microsoft Office XML formats - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Office_XML_formats

    Besides differences in the schema, there are several other differences between the earlier Office XML schema formats and Office Open XML. Whereas the data in Office Open XML documents is stored in multiple parts and compressed in a ZIP file conforming to the Open Packaging Conventions, Microsoft Office XML formats are stored as plain single monolithic XML files (making them quite large ...