Beschreibung:
<jats:p>Differences in temperature, pH, calcium content, specific conductivity, and food in eight small forest lakes did not account for differences in abundance and size of <jats:italic>Holopedium gibberum.</jats:italic> Variations in number and size of <jats:italic>Holopedium</jats:italic> may result from different predation rates caused by differences in fish species composition, fish density, and presence or absence of fish fry.</jats:p>