GEOCHEMICAL CHARACTERISTICS OF INTERSTITIAL WATER OF THE BOHAI GULF

This paper discusses the geochemical characteristics of the interstitial water of the Bohai Gulf, where the main salt contents (K+, Na+, Ca++ Mg+ + , C1-, HCO3-, SO4-) in 55 sedimentary layers of 13 cores (3-4 m in length) and those of bottom seawater have been determined and the exchange capacity and exchange cations (K+, Na+, Ca++, Mg++) of the layers analysed (see Fig. 1)Fig. J. The stations of core samplings in the Bohai Gult.     

DIRECT DETERMINATION OF STRONTIUM IN SEAWATER BY FLAME EMISSION SPECTROPHOTOMETRY

A procedure is suggested for direct determination of Sr in seawater using diluted seawater sample and background emission correction by FES. The standard deviation for 8 ppm Sr is better then 2 %, and the recovery of the added Sr is 97-105 %.     

胶州湾沉积物中有机碳、三氧化硫和矿物学的初步研究

作者曾对胶州湾表层沉积物的化学成分和部分微量元素作了初步研究。但有关胶州湾沉积物的矿物学和有机质的研究,迄今未见报道。本文对该湾表层沉积物的矿物学和有机碳、三氧化硫作了初步探讨。     

四苯硼酸钠季铵盐容量法测定钾的改进

海水中钾的测定方法颇多,从最古老的氯铂酸钾法到近代仪器分析方法不下十多种,比较而言,以四苯硼酸钾法、亚硝酸钴钠钾法、火焰光度法和原子吸收法等优点较多,但均存在某些缺点,尚待继续改进。海盐和卤水中钾的工业分析通常采用四苯硼酸钠季铵盐容量法。     

AN ECOLOGICAL STUDY OF BENTHIC ORGANISMS IN THE NEARSHORE WATERS TO THE WEST OF TAIWAN STRAIT

In seven cruises on benthic organisms in the nearshore waters(>50 m) to the west of the Taiwan Strait(23°20''-25°54''N,117°11''-119°58''E) in 1961-1964,altogether 189 stations of quantitative grabbing and 33 stations of qualitative trawling were made.
Altogether 392 species of benthic organisms have been identified.The composition was dominated by nearshore shallow water species,with tropical and subtropical species absolutely dominant.The total average of biomass was 38.0 g/m² and average density,116.0 ind./m².The communities of benthic organisms in the area can be classified into five communities namely,(1) Amphiura sp.-Acaudina molpadioides Community;(2) Protankyra asymmetrica-Arnphioplus pracstans-Murex trapa Community;(3) Modiolus meicalfei-Phyllophorus liuwutiensis-Armandia letocirris-Nephtys sinensis Community;(4) Branchiostoma belcheri-Solenr oseomaculatus-Marphysa sinensis- Onuphis eremita Community;(5) Iconomtra japonica-Barbatia decussata Community.     

海洋初级生产力的测定

前言十九世纪末,海洋科学工作者开始对浮游生物进行定量测定,以了解海洋中有机物质的生产状况以及海洋浮游生物在海洋中的物质循环和能量转换中所起的作用.众所周知,有机物质生产的基础是植物的光合作用活动.植物通过光合作用吸收太阳辐射能、二氧化碳(C0_2)和营养物质把无机碳固定、转化成有机碳.我们把在一定时间里所生成的有机物质总量称为"生产量",单位时间里的生产量定义为"生产力".在海洋中,能行     

贻贝人工育苗的改进研究——Ⅰ.改进采苗器及抑制细菌

七十年代初期,我国开始发展贻贝(Mytilus edulis L.)的生产性养殖。当时苗源有限,苗种供应严重不足,人工培育贻贝苗遂成为着手解决缺苗的技术问题。经1972—1973年的研究,我们与烟台地区海水养殖试验场等提出了一套育苗工艺,育苗水体最高单产量达到137万/m~3。又经数年研究,最高单产量即达360万/m~3,平均单产量稳定在150—200万/m~3。再后几年的实验结果,使我们意识到:用原方法育苗要进一步大幅度提高单产量会有困难,特别是近几年来海水水质条件的恶化,有时会给育苗带来一些干     

AN ECOLOGICAL STUDY OF FOULING ORGANISMS IN XISHA ISLANDS

Monthly and seasonal panel experiments were carried out in the Yongxing Island from September 1979 to August 1981. Altogether 119 species of fouling organisms are collected, of which, Hydroides elegans, Serpula vermicular is, Scrupocellaria longispinosa, Amathia distant, Enteromorpha spp. and Ostrea spp. are dominant species. Fouling of organisms may occur all the year round with evident seasonal variations, Species succession in the process of community formation is very evident and the climax has arrived after two years. Great variation exists between fouling organisms in different years and at different stations.     

渤海湾砷的研究

渤海湾是个半封闭型的海湾。它三面环陆，东临渤海，周围入湾的河流有滦河、蓟运河、永定新河、海河、独流碱河和黄河等。     

渤海湾海河口区耗氧有机物的分布特征

渤海湾海河口区是北京、天津二大城市工业及生活污水排放入海处，是一比较典型的海域。1972年以来曾对渤海湾进行过综合性的环境污染调查和研究，但由于受调查范围和项目的限制，对河口区特别是大沽口、北塘口区有机污染物的迁移转化研究甚少，尚不足以就有机污染对河口生态环境的潜在影响作出科学判断。目前，有机污染已成为海河口区特别是其附近大城市的主要污染问题之一。本文以化学耗氧量(COD)、生物耗氧量(BOD5)、溶解氧(DO)等项目作为耗氧有机物污染程度评价的主要指标(还有氮、磷、本集另有专文讨论)，对海河口区有机污染物的迁移、转化及生态效应进行了调查研究，为有机污染评价提供数据并作初步探讨。