Boreham (crossfield)
Basic information
Sample name: Boreham (crossfield)
Reference: T. Gardiner. 2007. Orthoptera of crossfield and headland footpaths in arable farmland. Journal of Orthoptera Research 16(2):127-133 [ER 2140]
Geography
Country: United Kingdom
Coordinate: 51° 46' N, 0° 33' E
Coordinate basis: based on nearby landmark
Geography comments: "just outside Chelmsford" (coordinate based on Boreham)
Environment
Habitat: temperate broadleaf/mixed forest
Altered habitat: cropland
Substrate: ground surface
MAT: 10.0
MAP: 550.0
Habitat comments: "A high proportion of the arable area of the farmland is cropped with winter cereals (wheat and barley)"
Methods
Life forms: orthopterans
Sites: 4
Sampling methods: line transect,visual
Sample size: 21 individuals
Years: 2006
Days: 24
Seasons: summer
Sampling comments: sampling was "across the middle of arable fields... Each transect was walked at a slow strolling pace (2 km/h) and the number of orthopterans 'flushed' in a 0.5-m strip in front of the observer were counted... Six transect surveys were taken... survey dates: 16/06, 29/06, 13/07, 27/07, 10/08, 22/08"
Metadata
Sample number: 2129
Contributor: John Alroy
Enterer: John Alroy
Created: 2016-07-24 16:20:13
Modified: 2016-07-24 06:22:22
Abundance distribution
3 species
1 singleton
total count 21
extrapolated richness: 5.0
Fisher's α: 0.958
geometric series k: 0.3015
Hurlbert's PIE: 0.5167
Shannon's H: 0.8468
Good's u: 0.9524
Each square represents a species. Square sizes are proportional to counts.
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