Quadrat and sample sizes for frequency sampling mountain meadow vegetation

Authors

Jeffrey C. Mosley, University of Idaho, Moscow
Stephen C. Bunting, University of Idaho, Moscow
M. Hironaka, University of Idaho, Moscow

Abstract

Proper quadrat and sample sizes for sampling species frequency vary among vegetation types. This study found 10 × 10-cm quadrats most appropriate for frequency sampling dry mountain meadows when using a single quadrat size. If large, broad-leaved forbs are of special interest, 25 × 25-cm, 25 × 50-cm, or 50 × 50-cm quadrats may be useful. One hundred 10 × 10-cm quadrats adequately sampled most common species at alpha = 0.20 ± 10% frequency. In contrast, more than five hundred 0.29-m² circular plots usually were needed to sample individual species yield at alpha = 0.20 ± 20% of the mean.

Recommended Citation

Mosley, Jeffrey C.; Bunting, Stephen C.; and Hironaka, M. (1989) "Quadrat and sample sizes for frequency sampling mountain meadow vegetation," Great Basin Naturalist: Vol. 49: No. 2, Article 11.
Available at: https://scholarsarchive.byu.edu/gbn/vol49/iss2/11