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Recherches sur l'isolement sexuel dans les populations expérimentales deDrosophila melanogaster. Influence de l'âge des individus sur le coefficient préférentiel

✍ Scribed by E. Bösiger


Book ID
112710589
Publisher
Springer
Year
1953
Tongue
English
Weight
262 KB
Volume
9
Category
Article
ISSN
1420-682X

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✍ Dr. René le Cohu 📂 Article 📅 1976 🏛 John Wiley and Sons 🌐 English ⚖ 715 KB

The influence of nitrates (NH,NO:j, KN03 and Ca(NO:J2) on Diatom populations ham been studied. These populations were isolated by enclosures with transparent walls, without bottom or lid, placed in an oligotrophic pond. The addition of NH,NO, generally resulted in a decrease in the number of Diatoms