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紫色海胆（Strongylocentrotus purpuratus (Stimpson)）的负生长与长寿。

Negative Growth and Longevity in the Purple Sea Urchin Strongylocentrotus purpuratus (Stimpson).

出版信息

Science. 1967 Aug 4;157(3788):557-8. doi: 10.1126/science.157.3788.557.

DOI:10.1126/science.157.3788.557
PMID:17801416
Abstract

Purple sea urchins were tagged, measured, and placed in a tidepool at Sunset Bay, Oregon. After 1 year, many animals had decreased in size. Accordingly, size is not necessarily a reliable index of age in Strongylocentrotus purpuratus; however, it is possible to conclude that these animals are relatively long-lived.

摘要

在俄勒冈州的日落湾，人们给紫海胆贴上标签、测量尺寸并将其放入潮池。1 年后，许多动物的体型变小了。因此，体型大小不一定是紫海胆年龄的可靠指标；但是，可以得出这些动物相对长寿的结论。

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