Global ETD Search
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Showing 1 to 3 of 3 for “"Witness trees"”.
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Vegetation community change over decadal and century scales in the North Carolina piedmont
… of deer populations in the last two decades. Witness trees recorded in historical surveys have been used to reconstruct presettlement vegetation in many parts of North America, leading to a better understanding of vegetation patterns before the effects of Europeans. For some parts of North …
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The Historic Fire Return Interval and the Ecological Effects of Fire Suppression on Montane Longleaf Pine Dominated Ecosystems in Northwestern Georgia.
… using modern vegetation surveys and historic “witness tree” vegetation data obtained from a georeferenced 1832 Georgia Land Lottery Survey map. The historic fire return interval was estimated using remnant longleaf stumps and dendrochronological techniques. Results from chi-squared tests …
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Successive Land Surveys as Indicators of Vegetation Change in an Agricultural Landscape
… settlement in 1787 through to the present day. Witness corners recorded tree species, shrubs, stumps, snags and non vegetative markers. Types of witness corners were tallied and tested for shifts in frequency across time periods. Tree species were also classified by silvical characteristics …