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Overall, habitats, communities and species groups assessed in the 2016 state of the environment report are in good condition, with stable or improving trends
2016 Key Finding... indicators of marine health, such as primary productivity, trophic processes and algal blooms, are also mostly considered to be in good ...
Biodiversity: Ecological processes
2016 Report Content... coastal management plans to accommodate these changes. Trophic structures and relationships The nature of trophic (feeding and predation) interactions among ecosystem members has ...
Toxins, pesticides and herbicides
2016 Report Content... Islam & Tanaka 2004 ). Consequently, animals feeding at high trophic levels tend to have higher tissue concentrations than those feeding at lowe r trophic levels ( Aguilar et al. 1999 ). Various pollutants have been reported ...
Resilience of marine systems
2016 Report Content... maintain aggregate properties, such as nutrient cycling or trophic functioning ( Levin & Lubchenco 2008 , Hughes et al. 2010 ). Studies ... phase shift by reinstating size? and habitat?specific trophic interactions. Ecological Applications 22(4):1232–1245. Olds AD, ...
Overview of resilience of the marine environment
2016 Report Content... NA (2009). Testing the robustness of a linked-ecosystem trophic model of the Great Barrier Reef, World Heritage Area. In: Anderssen R, ...
Marine environment: 2011–16 in context
2016 Report Content... variations in recruitment and growth rates, and impacts on trophic (food-chain) relationships and community structure. Cyclone
Yasi
... variations in recruitment and growth rates, and impacts on trophic (food-chain) relationships and community structure. Cyclone
Yasi
...
State and trends in indicators of marine ecosystem health
2016, 2011 Assessment summary... & Development Corporation. Bulman 2002 Bulman C (2002).
Trophic ecology and food web modelling of mid-slope demersal fishes off ... D, Cahill M, Klaer N, Goldsworthy S & Knuckey I (2006).
Trophic dynamics of the eastern shelf and slope of the South East Fishery: ...
Climate and system variability
2016 Report Content... variations in recruitment and growth rates, impacts on trophic relationships, and shifts in community structure, particularly in ... food chain, resulting in changes in productivity of higher trophic levels ( Hare & Mantua 2000 , Hilborn et al. 2003 ). A recent negative ...
State and trends of indicators of marine ecosystem health: Ecologial processes
2016 Report Content... & Fulton 2014 , Kool & Nichol 2015 ). Connectivity and trophic structure Defining connectivity of marine populations is highly ... and across ecosystems to be determined. Connectivity and trophic processes are linked on evolutionary scales. Colonisation history ...
State and trends of species and taxa groups
2016, 2011 Assessment summary... P., Bulman, C., Fulton, B. and Smith, T. 2010. MSC Low Trophic Level Project: South eastern Australian case study.
Marine ... Shannon LJ, Shin Y-J & Tam J (2011). Impacts of fishing low-trophic level species on marine ecosystems. Science 333:1147–1150. Smith et ...
State and trends of the marine environment 2016
2016 At a glance... especially in south-eastern Australia. There has been trophic (food chain) restructuring of some ecosystems as a result of commercial ...
Outlook for the marine environment 2016
2016 At a glance... can affect the overall level of predation in the system and trophic processes. Statistical analysis (methods described in Foster et al. ...
Managing for resilience
2016 Report Content... NA (2009). Testing the robustness of a linked-ecosystem trophic model of the Great Barrier Reef, World Heritage Area. In: Anderssen RS, ...
Water flows and levels
2016 Report Content... provide estimates of important ecological factors such as trophic status and aquatic carbon content. Investigations have concluded that ...
The living environment: Marine and terrestrial
2016 Report Content... that krill, together with other creatures at the lower trophic levels, will experience the greatest effects of a warming ocean ( ... lack of available nutrients or increased predation by higher trophic levels. Conditions in the Southern Ocean are changing at a rate that ...
Effectiveness of marine management
2016, 2011 Assessment summary... mainly focused on resource use; limited recognition of trophic or cumulative impacts Year(s): 2011 2 Stable Confidence (in grade): ... and EPBC Act–listed species, but limited management of trophic impacts. Limited management of recreational fishing. Many ...
Commercial and recreational fishing
2016 Report Content... longlines and large-scale trawl nets ( Flood et al. 2014 ). Trophic structure and ecosystem productivity can be affected if target or ... Shannon LJ, Shin Y-J & Tam J (2011). Impacts of fishing low-trophic level species on marine ecosystems. Science 333:1147–1150. Grubert ...
Pressures on the marine environment
2016 Report Content... may influence the food availability of organisms at higher trophic (food web) levels. Furthermore, under experimental conditions, the ...
Biodiversity: Threatened species
2016 Report Content... urban lighting has ecological consequences for multiple trophic levels under the sea.
Science of the Total Environment
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Biodiversity: Habitat-forming species
2016 Report Content... urban lighting has ecological consequences for multiple trophic levels under the sea.
Science of the Total Environment
...
Climate change
2016 Report Content... this will result in reduced food abundance for higher trophic (food-chain) levels ( Beaugrand et al. 2003 ). The harmful algal bloom ...
Biodiversity: Species groups
2016 Report Content... contaminants, nutrients, sediment loads, and change in trophic structure because of unsustainable fishing pressure. Some pressures ... urban lighting has ecological consequences for multiple trophic levels under the sea.
Science of the Total Environment
...
Coastal waters
2016 Report Content... added potential to increase productivity of other fishes or trophic levels. Artificial reefs can also be deployed for recreational purposes ...
The physical environment: The cryosphere
2016 Report Content... ecosystem structure and function. Plants and animals at all trophic levels are highly dependent on sea ice for a variety of reasons. For ...
State and trends of indicators of marine ecosystem health: Physical, biogeochemical and biological processes
2016 Report Content... (microbes, phytoplankton and zooplankton), food webs ( trophic processes), disease and outbreaks, and invasive species. Overall, ...
Fishing
2011 Report Content... of fish being caught. It can also bring about a shift in the trophic level of the fish in the catch. Where this occurs, fish catches shift from species higher in the food chain (at a high trophic level), including large carnivores such as sharks, to successively ...
Environment protection systems
2011 Report Content... marine conservation issues at the ecosystem level, including trophic and cumulative impacts. Strategic assessment under the EPBC Act ... such as through bycatch, or indirectly, such as through trophic dependencies) need to be considered. For instance, Sainsbury 87 ...
In this chapter
2011 Report Content... service providers Service Ecosystem service providers or trophic level Functional units a Spatial scale a Aesthetic, cultural All ...
Marine biodiversity
2011 Report Content... of animals between their feeding and breeding grounds?), and trophic (food web) structures of the ecosystems (does the abundance and ... of human activities. However, in the offshore areas, the trophic structures and relationships are considered to be poor across the ...
Management context
2011 Report Content... shade streams to shut down algal production and restore trophic pathways). Source: Ted Lefroy, Landscape Logic Commonwealth ...
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