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A Mathematical Approach to Defining Spatially Recurring Species Groups in a Montane Rain Forest on Mauna Loa, Hawaii

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Title: A Mathematical Approach to Defining Spatially Recurring Species Groups in a Montane Rain Forest on Mauna Loa, Hawaii
Authors: Maka, Jean E.
LC Subject Headings: Rain forests -- Hawaii -- Hawaii Island.
Vegetation boundaries -- Hawaii -- Mauna Loa (Hawaii Island).
Plant communities -- Hawaii -- Hawaii Island.
Plants -- Hawaii -- Hawaii Island.
Mauna Loa (Hawaii Island, Hawaii)
Issue Date: Dec 1973
Publisher: Island Ecosystems IRP, U.S. International Biological Program
Citation: Maka JE. 1973. A mathematical approach to defining spatially recurring species groups in a montane rain forest on Mauna Loa, Hawaii. Honolulu (HI): Island Ecosystems IRP, U.S. International Biological Program. International Biological Program Technical Report, 31.
Series/Report no.: International Biological Program Technical Report
Abstract: This project has undertaken to determine whether spatial arrangements could be detected and species groups defined mathematically in a montane rain forest ecosystem, which is located on the island of Hawaii on the east side of Mauna Loa in the Kilauea Forest Reserve. The vegetation was divided into four height layers, each of which contained species of similar life-form. A mathematical approach was used to determine if the vegetation could be further stratified on the ground. The data collected consisted of species quantities, such as cover or counts, in quadrats along transects. Plots, consisting of several of the smaller quadrats, were compared by ordination for the similarity of their composition. Species were compared by ordination for their similarity in occurrence by quadrats. The spatial arrangement within each life-form layer was determined by a new approach, called the heterogeneity test, utilizing random samples, the sum-of-squares clustering of the species and the comparison of the resultant dendrograms by statistical tests. Species groups within a heterogeneous layer were isolated by the sum-of-squares clustering. The ordination of plots in general revealed some variation, but no different species assemblages were detected within any of the layers.
Description: Reports were scanned in black and white at a resolution of 600 dots per inch and were converted to text using Adobe Paper Capture Plug-in.
Sponsor: The study was supported by NSF Grant No. GB 23230 of the Island Ecosystems IRP under the US/International Biological Program and a grant provided by the Bishop Estate Corporation.
Pages/Duration: 112 pages
Rights: CC0 1.0 Universal
Appears in Collections:International Biological Program Technical Reports (1970-1975)

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