英文摘要 |
The PRIS is an integrated software system designed to facilitate vegetation survey and resource inventories. The concept behind this system was to develop a tool that could provide information about species and vegetation to conservation agencies, scientific researchers, land-use planners, and resource managers. Sources of information included in the PRIS can be: (1) museum or herbarium collections; (2) extensive searches through scientific and publications pertaining to taxonomy, phytogeography, ecology, biology, and uses of plants; and (3) data from field survey. PRIS takes the advantage of the affordable and widespread personal computer. It requires a 286 or 386 computer with an image system. The software is organized into two subsystems. PRIS I is used for vegetation analysis. Capabilities include: raw data manipulation, plant list preparation, resemblance measurement, dominance and composition analyses, calculation of species diversity, ordination, clustering, regression, population structure analysis, and preparation of species distribution. The second subsystem PRIS II is designed to synthesize information on the status of a species or other taxon. It integrates information regarding herbarium collections, taxonomic classification, biological characteristics, habitat and environment, economic value, legal status, and degree of threat or protection for the various populations. The subsystem also incorporates graphics and image functions, and makes it more versatile and powerful. |