cataloging diversity plec database. vs. why use access?
TRANSCRIPT
Cataloging DiversityPLEC Database
VS.
Why Use Access?
Access Excel
Yes Yes
Yes
Yes
Yes
No
Limited
No
Spread Sheets
Query and Sort Data
Link Tables/Relationships
Create Reports and Forms
VS.
SampleAreas
PlotDescriptions
SpeciesData
UtilityData
TreeData
Database Structure From Zarin et al, 1999, PLEC N&V No. 14
Linking Tables With Relationships
Sample Area TableContains General Data Describing Each Sample Area including:
• Land Use Stage
• Location
• Researcher
• Sample Area Number*
Access
The plots within each sample area are linked to the sample area table by a unique number assigned to each entry in the
sample area table.
Access
Plot Description Table
• Plot Size
Contains a description of each plot within each sample area number including:
• Elevation • Soil Type • Plot Number*
Access
• Within each plot, tables can be created to hold more specific data
• Data are linked by a unique plot number designated to each plot
entry
Plot Number
Access
Species Data
Data can be recorded on individuals and species within each plot, including:
• Abundance of Species
• DBH and Height of Trees
• Species Utility
• Species ID Number*
Access
Species ListIn order to avoid problems with misspellings and inconsistency with names, a species list can be created. A species list can contain:
• Common Name • Scientific Name • Family• Species ID Number*
AccessExcel
PLEC/AmazoniaSample Database
