Middle Creek
Basic information
Sample name: Middle Creek
Reference: J. H. Hawking and T. R. New. 2002. Interpreting dragonfly diversity to aid in conservation assessment: lessons from the Odonata assemblage at Middle Creek, north-eastern Victoria, Australia. Journal of Insect Conservation 6:171-178 [ER 1072]
Geography
Country: Australia
State: Victoria
Coordinate: 36° 10' S, 146° 56' E
Coordinate basis: stated in text
Geography comments: "3 km upstream from [Middle Creek's] confluence with the Kiewa River"
Environment
Habitat: tropical/subtropical upland river
Substrate: lake bottom/stream bed
Disturbance: invasive plants
Habitat comments: "Riparian vegetation is introduced willows, with dense water couch (Paspalum distichum L.) on the stream margins during summer"
Methods
Life forms: odonates
Sampling methods: no design,sieves
Sample size: 2809 individuals
Years: 1987 - 1990
Days: 20
Sampling comments: "Larvae of Odonata were collected bi-monthly from October 1987–March 1989 and thereafter monthly until February 1990, for a total of 20 sampling occasions... The entire area was sampled by dragging a 30 cm diameter × 1 mm mesh sieve through the substrate for one hour"
Metadata
Sample number: 1582
Contributor: John Alroy
Enterer: John Alroy
Created: 2015-05-22 14:06:54
Modified: 2016-10-21 04:39:14
Abundance distribution
15 species
2 singletons
total count 2809
extrapolated richness: 18.4
Fisher's α: 2.081
geometric series k: 0.5968
Hurlbert's PIE: 0.6921
Shannon's H: 1.5507
Good's u: 0.9993
Each square represents a species. Square sizes are proportional to counts.
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