State and trends of ecological processes

This assessment summary has changed in 2016

  • The new 2016 assessment summary combines ecological processes, physical & chemical processes and pests, introduced species. diseases and algal blooms
Component
Summary
Grade
Very poor Poor Good Very good
Confidence
In Grade In Trend
Comparability
To previous years

Connectivity—spatial/physical disjunctions

This assessment summary component has changed in 2016. 

  • Connectivity within the marine environment is predominantly driven by physical processes which influence spatial/physical disjunctions, biological, migration , flyways, recruitment, settlement, genome structures, genetic adaptation. The assessments were merged and the title revised to reflect the primary driver of connectivity in the marine environment and focus the assessment on an area where the most information is available.
  • This component is now included in a different summary

South-east has been significantly affected

Year(s): 
2011
4
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Connectivity—biological, migration, flyways

This assessment summary component has changed in 2016. 

  • Connectivity within the marine environment is predominantly driven by physical processes which influence spatial/physical disjunctions, biological, migration , flyways, recruitment, settlement, genome structures, genetic adaptation. The assessments were merged and the title revised to reflect the primary driver of connectivity in the marine environment and focus the assessment on an area where the most information is available.
  • This component is now included in a different summary

 

South-east in poor condition and continues to decline

Year(s): 
2011
3
Deteriorating
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Connectivity—recruitment, settlement

This assessment summary component has changed in 2016. 

  • Connectivity within the marine environment is predominantly driven by physical processes which influence spatial/physical disjunctions, biological, migration , flyways, recruitment, settlement, genome structures, genetic adaptation. The assessments were merged and the title revised to reflect the primary driver of connectivity in the marine environment and focus the assessment on an area where the most information is available.
  • This component is now included in a different summary

Variable across the regions, improving in some and declining in others

Year(s): 
2011
3
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Connectivity—genome structures, genetic adaptation

This assessment summary component has changed in 2016. 

  • Connectivity within the marine environment is predominantly driven by physical processes which influence spatial/physical disjunctions, biological, migration , flyways, recruitment, settlement, genome structures, genetic adaptation. The assessments were merged and the title revised to reflect the primary driver of connectivity in the marine environment and focus the assessment on an area where the most information is available.
  • This component is now included in a different summary

Knowledge base very limited and condition hard to assess

Year(s): 
2011
3
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Knowledge base very limited and condition hard to assess

Year(s): 
2011
3
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Whale feeding grounds significantly affected by human activities in the south-west and north-west

Year(s): 
2011
3
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Water column, pelagic productivity

no longer required

  • Primary productivity (production at the base of the food chain) is quite distinct from secondary productivity (production at the next level up from the base of the food chain)and therefore it doesn't make scientific sense to combine them into 'pelagic productivity'. Assessments of the water column are already presented in Water column inner shelf (0-25m), water column outer shelf (25-250m), water column slope (250-700m), water column abyss (>700m). There is no need to repeat the assessment again here

Good to very good in all regions

Year(s): 
2011
4
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Benthic productivity

This component is now included in a different summary

Good to very good in all regions

Year(s): 
2011
4
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Condition poor in south-east

Year(s): 
2011
3
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Knowledge base very limited and condition hard to assess

Year(s): 
2011
4
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Condition of the worst areas very poor in the south-west and north

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

Herbivory processes

This component is now included in a different summary

Declines observed in the east

Year(s): 
2011
4
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Condition poor in the south-east

Year(s): 
2011
4
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Microbial processes

This assessment summary component has changed in 2016. 

  • The assessment title was revised to support provision a comprehensive assessment for the marine environment.
  • This component is now included in a different summary

Knowledge base very limited and condition hard to assess

Year(s): 
2011
4
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed

Assessed four ecological process features that principally occur in only one region

Year(s): 
2011
3
Stable
Confidence (in grade): 
Limited
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed
Ward T (2011). Marine environment: State and trends of ecological processes. In: Australia state of the environment 2011, Australian Government Department of the Environment and Energy, Canberra, https://soe.environment.gov.au/assessment-summary-63-state-and-trends-ecological-processes, DOI 10.4226/94/58b657ea7c296