References
- Benfield, R. F., Hendricks, A. C. & Cairns, J., 1974: Proficiencies of two artificial substrates in collecting stream macroinvertebrates. — Hydrobiologia 45: 431–440.
- Cairns, J., Albaugh, D. W., Busey, F. & Chaney, D., 1968: The sequential comparison index — a simplified method for non-biologists to estimate relative differences in biological diversity in stream pollution. — J. Wat. Pollut. Control Fed. 40: 1607–1613.
- Frost, S., Huni, A. & Kershaw, W. E., 1971: Evaluation of a kicking technique for sampling stream bottom fauna. — Can. J. Zool. 49: 167–173.
- Glime, J. M. & Clemons, R. M., 1972: Species diversity of stream insects onFontinalis species compared to diversity on artificial substrates. — Ecology 53: 458–464.
- Myers, A. A. & Southgate, T., 1980: Artificial substrates as a means of monitoring rocky shore cryptofauna. — J. mar. biol. Ass. U.K. 60: 963–975.
- Schoener, A., 1974: Colonisation curves for palnar islands. — Ecology 55: 818–827.