AAE Tech Services Inc.


Lower Trophic Level Monitoring


Invertebrates comprise the largest percentage of species on Earth and serve critical roles in food webs and ecological systems. In aquatic systems, many lower trophic level organisms can also act as bioindicators. This includes benthic invertebrates, which can be used to assess water quality health. As different species have varying tolerances for water quality and pollution, they can be used as an indicator to assess poor or healthy water quality conditions. At AAE Tech Services we have the knowledge and expertise necessary to sample and identify indicator species in the aquatic environment as well as to determine the complexity of a system based on the communities of invertebrates found within.

Representative Projects


Swan Creek Watershed Riparian and Habitat Assessment

AAE Tech Services conducted invertebrate surveys in the Swan Creek Watershed to identify poor water quality conditions based on the presence/absence of bioindicator invertebrates such as Odonata, Ephemeroptera and Tricoptera.



Falcon Lake Long Term Rusty Crayfish Monitoring

AAE conducted an assessment of Falcon Lake to understand the effects of an invasive species, Rusty Crayfish, on native populations of plants, invertebrates and fish species. Modified Hester-Dendy artificial substrate traps were utilized to capture invertebrates at various sites along the lakes shoreline. Modified minnow traps were utilized to capture invasive and native crayfish species.



Impact of Wild Rice on Invertebrate Communities in North Western Manitoba

AAE assessed three west-central Manitoba lakes to compare and contrast the effects of introduced wild rice on invertebrate communities. Invertebrate diversity, abundance and composition between bays with wild rice and bays with native macrophytes were assessed. 



Beaufort Sea Food Web Analysis

Through the use of benthic trawls and box coring, invertebrates were sampled to carry out a food web analysis linking lower, middle and upper trophic levels of organisms in the Beaufort Sea. In conjuction with fish and marine mammal sampling a food web analysis of the Beaufort Sea's near shore waters was completed.