epiphy (version 0.3.4)

arthropods: Counts of arthropods.

Description

A sampling unit was made of a pitfall to collect arthropods in a field of organic winter wheat, near Wimborne, Dorset, UK in 1996. The sampling units were located on a 9 x 7 rectangular grid at intervals of 30 m. There were six sampling dates.

Usage

arthropods

Arguments

Format

A data frame with 378 rows and 4 variables:

[, 1:2] x,y Grid spatial coordinates.
[, 3:4] xm,ym Metric spatial coordonates.
[, 5] t Sampling date. 1: 7 Jun, 2: 14 Jun, 3: 21 Jun, 4: 28 Jun, 5: 5 Jul, 6: 12 Jul 1996.
[, 6] i Counts of arthropods.