wildflowerfields {blmeco}

Territory numbers of Whitethroat in wildflowerfields

Description

Number of territories of Whitethroat in wildflowerfields of different ages. The data has been collected by J-L Zollinger.

Usage

data(wildflowerfields)

Format

A data frame with 136 observations on the following 8 variables.

field

field id

year

year

age

age of the wildflower field in years

bp

number of territories of whitethroats Sylvia communis

X

x-coordinate

Y

y-coordinate

size

area of the field in ares (a, 10 x 10 m)

Nspec

number of species

References

Zollinger J-L, Birrer S, Zbinden N, Korner-Nievergelt F (2013) The optimal age of sown field margins for breeding farmland birds. Ibis 155: 779-791

Examples

data(wildflowerfields)