Effects of short-term variations of salinity and temperature on the photosynthetic response of the red alga Grateloupia doryphora from Brittany (France)

被引：46

作者：

Simon, C

Gall, EA

Levavasseur, G

Deslandes, E

机构：

[1] Univ Bretagne Occidentale, IUEM, Lab Ecophysiol & Biochim Algues Marines, F-29280 Plouzane, France

[2] Univ Paris 06, CNRS UPR 9042, Biol Stn, F-29682 Roscoff, Brittany, France

来源：

BOTANICA MARINA | 1999年 / 42卷 / 05期

关键词：

D O I：

10.1515/BOT.1999.050

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Photosynthetic activity of the recently-discovered red seaweed Grateloupia doryphora was investigated from oxygen measurements on samples collected in two areas of Brittany (France). Some photosynthetic parameters [maximum photosynthesis (Pmax) and dark respiration (R-d)] were studied after short-term incubation at different temperatures and salinities. The results showed that the maximum photosynthetic rate and dark respiration were both increased with temperature elevation. Whatever the seawater temperature, G. doryphora withstood a large range of salinity. Similar results obtained in photosynthetic measurements observed for both populations suggest that they respond to environmental conditions in the same way.

引用

页码：437 / 440

页数：4

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