南极长城站潮间带丝藻和底栖硅藻色素组成和吸收光谱的分析

本文对 1 989年 2月采集长城站前高潮区岩石上附着的丝藻 ,以及在中潮区小石块和水沼边生长的底栖硅藻 ,进行吸收光谱分析、分离。鉴定出底栖硅藻的色素种类有 6种 ,它们分别是胡萝卜素、叶绿素 a、岩藻黄质、叶绿酸、新黄素、叶绿素 c。丝藻的色素种类有 9种 ,分别为胡萝卜素、脱镁叶绿素 a、叶绿素 a、叶绿素 b、叶绿酸、脱酯基叶绿酸、新黄素、叶绿素 c和脱镁叶绿素 c。潮间带底栖硅藻和丝藻有各自特定的吸收光谱 ,它们所含色素种类也有明显差异。藻类色素对不同波长光的吸收能力是不同的 ,因此可以利用吸收光谱来鉴定藻类的种类

THE PIGMENTAL COMPOSITION AND ABSORPTION SPECTRUM OF AN ANALYSIS OF ULOTHRIX SP. AND BENTHIC DIATOMS IN THE INTERTIDAL ZONE OF THE GREAT WALL STATION, ANTARCTICA

This paper reports the results of absorption spectrum of Ulothrix sp. attached to the rocks collected from the high tide area in front of the Great Wall Station, Antarctica in February 1989 as well as the benthic diatoms growing on small stones and in the edge of swamps. Six kinds of pigments were isolated and identified in benthic diatoms.They are carotene, chlorophyll a,fucoxanthin, chlorophyllin,P.neoxanthin and chlorophyll c.Nine kinds of pigments were identified in Ulothrix sp.. They are carotinoid, pheophytin, chlorophyll a, b, chlorophyllin chlorophyllide a,neoxanthin, chlorophyll c and pheophytin c. The intertidal benthic diatoms and Ulothrix sp. have specific absorption spectra and there are also marked differences in the composition of algal pigments they contain since the pigments of marine algae show differences in their absorption spectra, the absorption spectrum can be used to identify the species of marine algae.