File:American malacological bulletin (1987) (17535850884).jpg

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Title: American malacological bulletin
Identifier: americanmal4519861987amer (find matches)
Year: 1983 (1980s)
Authors: American Malacological Union
Subjects: Mollusks; Mollusks
Publisher: (Hattiesburg, Miss. ?) : (American Malacological Union)
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Biodiversity Heritage Library

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HOLOPAINEN: ANOXIA IN PISIDIIDAE 45
Text Appearing After Image:
Fig. 5. (A) A median section of Pisidium amnicum collected from Siilaisenpuro on 5 March 1985. High concentrations of glycogen in the subepithelial tissue of the foot is shown by black color. Allochrome HFW = 5.5 mm. (B) Ventral surface the foot of P amnicum show- ing a epithelial cilia and subepithelial cells filled with glycogen granules. Allochrome HFW = 0.05 mm. Survival times of up to 55 days at 10°C have been reported for marine molluscs (Theede ef a/., 1969; Hammen, 1976). Zs.-Nagy (1973) gives 7-10 days as the anoxia tolerance period for Anodonta cygnea (L.) at 15°C; Ligumia subrostrata (Say), another freshwater species, survived more than 15 days at 25°C(Dietz, 1974). These are, however, short times when compared to aerial survival of one year or more of some tropical unionids at very high temperatures (Dance, 1958). I also held a juvenile Anodonta piscinalis Nilsson (= A. cygnea) (30 mm, caught in March from Lake Paajarvi), 66 days in anoxic water at 3°C. When transferred to aerobic water, the foot was soon introduced but started to withdraw upon touching only after 1 day. Indications of the survival of Pisidiidae during anoxia in natural lakes range from 2-3 months (Juday, 1908; Holo- painen and Jonasson, 1983) to 5-7 months (Eggleton, 1931). In addition, some experimental data are given by Juday (1908), Jatzenko (1928) and Eggleton (1931). My data on Sphaerium corneum closely agree with the 46-day survival

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Volume
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5
Flickr tags
InfoField
  • bookid:americanmal4519861987amer
  • bookyear:1983
  • bookdecade:1980
  • bookcentury:1900
  • bookauthor:American_Malacological_Union
  • booksubject:Mollusks
  • bookpublisher:_Hattiesburg_Miss_American_Malacological_Union_
  • bookcontributor:Smithsonian_Libraries
  • booksponsor:Biodiversity_Heritage_Library
  • bookleafnumber:315
  • bookcollection:biodiversity
  • BHL Collection
  • BHL Consortium
Flickr posted date
InfoField
27 May 2015

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This work is in the public domain because it was published in the United States between 1978 and March 1, 1989 without a copyright notice, and its copyright was not subsequently registered with the U.S. Copyright Office within 5 years. Unless its author has been dead for several years, it is copyrighted in the countries or areas that do not apply the rule of the shorter term for US works, such as Canada (50 pma), Mainland China (50 pma, not Hong Kong or Macau), Germany (70 pma), Mexico (100 pma), Switzerland (70 pma), and other countries with individual treaties. See this page for further explanation.

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