Title

Distribution of Seagrass in Western Port in 1994 

Alternate title

SEAGRASS_WESTERN_PORT_1994 

Purpose

Represents the spatial extent, distribution and density of seagrass and other aquatic vegetation in Western Port mapped from aerial photography by the Environment Protection Authority. 

Supplemental Information

Related Documents: None 

Status

Completed  

Code

4283 

Maintenance and update frequency

Not planned  

Topic category

• Oceans

Use limitation

. 

Classification

Unclassified  

Statement

Dataset Source: Andy Stephens (1995) at the Victorian EPA produced maps representing seagrass distribution and abundance in Western Port based on aerial photography flown in May 1994, using field surveys to ground-truth the mapping. DPI translated the hard-copy maps in Stephens (1995) to this GIS layer be digitally scanning and georeferencing the maps against 1:25k Vicmap coastline data. Dataset Originality: Primary 

Description

Collection Method: Aerial photography mapping and field observations 

Description

Source description not available 

Description

These polygons were created by DPI translating the hard-copy maps of seagrass distribution and abundance in Western Port produced by Andy Stephens of EPA Victoria by digitally scanning these maps and georeferencing them against 1:25,000 coastline data from the VicMap layers. 

Classification

Unclassified  

Attribute Quality

Comments

All attributes have been checked by DPI Queenscliff, and are complete 

Positional Accuracy

Comments

Not determined 

Conceptual Consistency

Comments

Attributes checked by DPI Queenscliff 

Missing Data

Comments

This layer is complete for Western Port 

Excess Data