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Стр. 939
Most of the organisms showed significant vertical migratory behavior in the presence of the light - dark cycle . In addition , several species ( see Fig . 2E ) showed inverse vertical migration , with greater abundance at the surface ...
Most of the organisms showed significant vertical migratory behavior in the presence of the light - dark cycle . In addition , several species ( see Fig . 2E ) showed inverse vertical migration , with greater abundance at the surface ...
Стр. 941
1B and 2B ) indicate that both internal rhythmicity and concurrent light intensity play important roles in their normal vertical migration . Under constant dim light , there was clear evidence for rhythmic changes in surface abundance ...
1B and 2B ) indicate that both internal rhythmicity and concurrent light intensity play important roles in their normal vertical migration . Under constant dim light , there was clear evidence for rhythmic changes in surface abundance ...
Стр. 1183
For all birds the first 3 days were spent in LD 14:10 ( white light only ) . The experimental light regimens began on day 4 of the records . > birds were killed after 39 days of exposure to the experimental regimens .
For all birds the first 3 days were spent in LD 14:10 ( white light only ) . The experimental light regimens began on day 4 of the records . > birds were killed after 39 days of exposure to the experimental regimens .
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