𝔖 Bobbio Scriptorium
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Calcium and the release from dormancy of freshwater sponge gemmules

✍ Scribed by K.M. Ostrom; T.L. Simpson

Book ID
118873131
Publisher
Elsevier Science
Year
1978
Tongue
English
Weight
524 KB
Volume
64
Category
Article
ISSN
0012-1606

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## Abstract With the onset of changing environmental conditions in autumn, the freshwater sponge __Spongilla lacustris__ (Linnaeus, 1759) produces resistant stages (gemmules) which are in the state of quiescence. Gemmules stored at 8Β°C remained quiescent; however, germination occurred within 24 hr