Ecology

Habitat

Depth range based on 81 specimens in 4 taxa.
Water temperature and chemistry ranges based on 15 samples.

Environmental ranges
  Depth range (m): 0 - 11.4
  Temperature range (°C): 11.471 - 12.348
  Nitrate (umol/L): 4.729 - 6.151
  Salinity (PPS): 35.184 - 35.363
  Oxygen (ml/l): 6.128 - 6.200
  Phosphate (umol/l): 0.336 - 0.421
  Silicate (umol/l): 2.315 - 3.285

Graphical representation

Depth range (m): 0 - 11.4

Temperature range (°C): 11.471 - 12.348

Nitrate (umol/L): 4.729 - 6.151

Salinity (PPS): 35.184 - 35.363

Oxygen (ml/l): 6.128 - 6.200

Phosphate (umol/l): 0.336 - 0.421

Silicate (umol/l): 2.315 - 3.285
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Associations

Known predators

Audouinella (Audouinella sp.) is prey of:
Aoteapsyche
Aphrophila noevaezelandiae
Naonella
Hudsonema amabilis
Olinga feredayii
Philorheithrus agilis
Pycnocentrodes evecta
Zelandoperlinae
Deleatidium
Hydora nitida
Nesameletus ornatus
Oniscigaster
Stratiomyidae
Epeorus dispar
Diamesid Blond
Amphipoda
Aphrophila
Neocurupira hudsonii
Parachironomus
Pycnocentria
Pycnocentrodes
Zelandoperla
Acroperla trivacuata
Orthocladiinae
Cricotopus II
Cricotopus I
Tanytarsini
Oligochaeta I
Oligochaeta II
Potamopyrgus antipodarum
Psychodidae
Scirtidae
Hydrobiosella
Maoridiamesea
Eukiefferiella
Pirara
Polypedellum
Acroperla
Austroclima jollyae
Coloburiscus humeralis
Orchymontia
Austrosimulium australense
Helicopsyche albescens
Olinga feredayi

Based on studies in:
New Zealand: Otago, Blackrock, Lee catchment (River)
New Zealand: South Island, Canton Creek, Taieri River, Lee catchment (River)
New Zealand: Otago, Dempster's Stream, Taieri River, 3 O'Clock catchment (River)
New Zealand: Otago, German, Kye Burn catchment (River)
New Zealand: Otago, Healy Stream, Taieri River, Kye Burn catchment (River)
New Zealand: Otago, Kye Burn (River)
New Zealand: Otago, Little Kye, Kye Burn catchment (River)
New Zealand: Otago, Stony, Sutton catchment (River)
New Zealand: Otago, Sutton Stream, Taieri River, Sutton catchment (River)
USA: North Carolina, Coweeta (River)

This list may not be complete but is based on published studies.
  • Townsend, CR, Thompson, RM, McIntosh, AR, Kilroy, C, Edwards, ED, Scarsbrook, MR. 1998. Disturbance, resource supply and food-web architecture in streams. Ecology Letters 1:200-209.
  • Thompson, RM and Townsend, CR. 2003. Impacts on stream food webs of native and exotic forest: an intercontinental comparison. Ecology 84:145-161
  • Thompson, RM and Townsend, CR. 1999. The effect of seasonal variation on the community structure and food-web attributes of two streams: implications for food-web science. Oikos 87: 75-88.
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
                                        
Specimen Records:18Public Records:3
Specimens with Sequences:6Public Species:3
Specimens with Barcodes:3Public BINs:0
Species:7         
Species With Barcodes:2         
          
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Barcode data

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Locations of barcode samples

Collection Sites: world map showing specimen collection locations for Audouinella

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Wikipedia

Audouinella

Audouinella is a widespread genus of red algae, found in marine and freshwater. Grows as small tufts of red, brown, or black hairlike filaments on any solid surface - most dramatically on the edges of slow-growing leaves. Often tolerant of high levels of pollution, acidity, and thrives on dissolved phosphate and nitrates. Reproduces via spores.

The form known as Black Brush Algae is a particular nuisance in aquaria as few fish, even those widely promoted as algivores, will eat it.

In natural ecosystems, this genus that infested aquariums is found in unpolluted lotic systems.

It has been tested for germination and new growth using NO3 and PO4 fertilizers and such results came out negative for a decade's worth of observations.[citation needed] It has been shown to be inducible by limiting and varying the CO2 concentration in planted aquariums.[citation needed] While other possible inducement mechanisms may exists, this is the most consistent and has been shown in many test by aquarists.[citation needed]

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