Kolappancheri (vegetable fields, 2005)
Basic information
Sample name: Kolappancheri (vegetable fields, 2005)

Reference: V. Anbalagan, M. G. Paulraj, and S. Ignacimuthu. 2013. Odonata diversity (Insecta: Arthropoda) in rice and vegetable fields in a north-eastern district of Tamil Nadu, India. Journal of Research in Biology 3(4):977-983 [ER 1132]
Country: India
State: Tamil Nadu

Coordinate: 13° 8' N, 79° 54' E
Basis of coordinate: based on nearby landmark
Geography comments: "Tiruvallur district" (basis of coordinate)
Climate and habitat
Habitat: tropical/subtropical dry broadleaf forest
Altered habitat: cropland
Substrate: ground surface
Life forms: odonates
Sites: 9
Sampling methods: quadrat, sweep nets
Sample size: 3656
Years: 2005
Days: 24
Sampling comments: "three different locations... Quadrates of 25 m x 10 m size were laid down with threads... Totally three quadrates were put in each rice and vegetable fields. Perched dragonflies and damselflies found inside the quadrates were collected by sweeping net (25 cm in diameter) during day times (between 10.00 AM to 15.00 PM. Flying odonates inside quadrate area were also caught with sweeping net. Sampling was done twice in a month from January 2005 to December 2008"
Sample: 1653
Contributor: John Alroy
Enterer: John Alroy
Created: 2015-06-25 17:23:09
Modified: 2020-09-24 12:35:20
Abundance distribution
31 species
0 singletons
total count 3656
standardised richness: 31.0
Fisher's α: 4.648
geometric series k: 0.9062
Hurlbert's PIE: 0.9508
Shannon's H: 3.2210
Good's u: 1.0000