Glacier Bay Murrelet Survey Raw Observations for 2019

2019 raw field observations of murrelet bird groups from Glacier Bay, Alaska, collected by the Department of the Interior. Data include observations, covariates, and GPS tracklogs from line transect surveys, recorded via a custom ArcGIS application. The data are stored in their original, unedited form.

Use Cases

• Modeling murrelet population density based on line transect observations.
• Analyzing spatial distribution patterns based on GPS points and tracklogs.
• Studying habitat covariates associated with murrelet sightings.
• Assessing survey methodology and data quality control processes.

Strengths

• Data are stored in their original, unedited raw form, preserving field accuracy.
• Includes multiple related data types: observations, covariates, tracklogs, and GPS points.
• Collected via a standardized custom application for consistency.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

Department of the Interior

Collection Method

Field surveys with data directly recorded into an ArcGIS file geodatabase via a custom application.

Time Range

Survey year 2019

Freshness

Last updated 2026-03-04 01:12:32.064224; freshness should be verified.

Geography

Glacier Bay, Alaska