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Cold hardiness of the green gemmules of Spongilla lacustris L. (Porifera: Spongillidae) (1991)

Fell, Paul E. ; Levasseur, Erika D.

Springer

Hydrobiologia 218 (1991), S. 107-112

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ISSN: 1573-5117

Keywords: gemmules ; cold tolerance ; sponge ; Spongilla lacustris

Source: Springer Online Journal Archives 1860-2000

Topics: Biology

Notes: Abstract Most green gemmules of Spongilla lacustris survived enclosure in ice at −20 °C for up to 30 days; however, their rate of germination at 20 °C was less rapid than that of control gemmules. The length of time spent at low temperature had little effect on gemmule survival. In contrast, repeated cooling to −20 °C and warming to 4 °C led to a progressive decline in gemmule viability. These results indicate that cold injury occurs primarily during transitions between high and low temperatures.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00006783

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