00926cam a22002534a 450000500170000000800410001701000140005802000150007203500130008704000180010004200140011805000250013208200190015710000200017624500560019626000340025230000290028644000250031550400640034052001470040465000840055165000130063565000240064820230110144603.0070402s2000    nyua   j b    001 0 eng    a99-057578  a0531116980  a11833142  aDLCcDLCdDLC  apccalcac00aQH541.5.F7bJ66 200000a577.63/0782211 aJosephs, David.10aLakes, ponds, and temporary pools /cDavid Josephs.  aNew York :bF. Watts,cc2000.  a127 p. :bill. ;c24 cm. 0aExploring ecosystems  aIncludes bibliographical references (p. 120-121) and index.  aExplains the importance of preserving and protecting slow-moving water habitats and provides instructions for related projects and activities. 0aFreshwater ecologyxStudy and teachingxActivity programsvJuvenile literature. 1aEcology. 1aFreshwater ecology.