Pressures affecting Antarctic historic heritage

Component
Summary
Grade
Very high impact High impact Low impact Very low impact
Confidence
In Grade In Trend
Comparability
To previous years

Fine snow particles penetrate and fill the buildings, and cause structural damage and damage to artefacts

Year(s): 
2016
2
Deteriorating
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Comparable

Fine snow particles penetrate the buildings and fill the buildings; causes structural damage and damage to artefacts

Year(s): 
2011
2
Deteriorating
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Not assessed

Can limit conservation work and destroy weakened structures

Year(s): 
2016
2
Deteriorating
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Comparable

Can limit conservation work and destroy weakened structures

Year(s): 
2011
2
Deteriorating
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Not assessed

Increased wind strength and storm frequency puts pressure on structures

Year(s): 
2016
2
Deteriorating
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Comparable

Increased wind strength and frequency of storms puts pressure on huts

Year(s): 
2011
2
Deteriorating
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Not assessed

Dynamic coastline changes at Heard Island and McDonald Islands threaten some artefacts

Year(s): 
2016
2
Deteriorating
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Comparable

Dynamic coastline at Heard Island changes and threatens some artefacts

Year(s): 
2011
2
Deteriorating
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Not assessed

Wildlife, such as elephant seals, can exert considerable impact when they move across sites

Overgrowth by plants on subantarctic islands can obscure items, such as the headstones of graves at Heard Island and McDonald Islands

Year(s): 
2016
2
Deteriorating
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Comparable

Wildlife such as elephant seals can exert considerable impact when they move across sites. Overgrowth by plants on subantarctic islands can lead to obscuring of items, such as the headstones of graves at Heard Island

Year(s): 
2011
2
Deteriorating
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Not assessed

Unauthorised collection of biological and geological material, and artefacts

This assessment summary component has changed from 2011.

  • The title of this component has been expanded to give more detail.

The original 2011 summary, grade, trend and confidence levels have been replicated here to assist comparison of changes between reporting cycles.
 

Could occur at Heard Island; unauthorised visits possibly occur

Year(s): 
2016
0
Unclear
Confidence (in grade): 
Low
Confidence (in trend): 
Low
Comparability (to previous reports): 
Comparable

Could occur at Heard Island; unauthorised visits possibly occur

Year(s): 
2011
0
Unclear
Confidence (in grade): 
Low
Confidence (in trend): 
Low
Comparability (to previous reports): 
Not assessed
Klekociuk A, Wienecke B (2016). Antarctic environment: Pressures affecting Antarctic historic heritage. In: Australia state of the environment 2016, Australian Government Department of the Environment and Energy, Canberra, https://soe.environment.gov.au/assessment-summary-713-pressures-affecting-antarctic-historic-heritage, DOI 10.4226/94/58b65b2b307c0