oligotrophic lakes是什么意思

网络释义

用法例句

It includes advice on the following subjects: growing green vegetables and fruit trees, keeping cows, sheep and fish in lakes.

它就蔬菜和果树的栽培，牛羊的饲养、湖泊养鱼等课等课题提出了意见。

METAL ELEMENT CONTENTS IN COMMERCIAL FRESHWATER FISHES FROM LAKES OF DIFFERENT TROPHIC TYPES IN SUZHOU REGION

苏州地区不同营养类型湖泊经济鱼体中金属元素含量水平的探讨

An edible freshwater fish(Cyprinus carpio) of Europe and Asia that is frequently bred in ponds and lakes.

鲤鱼一种产于欧洲和亚洲的可食淡水鱼（鲤鱼鲤属），常饲养在池塘和湖泊中

lake eutrophication assessment

湖泊养分富集作用评估

flesh of large trout of northern lakes.

北方湖泊产的大鳟鱼的肉。

They drifted on the lake, fishing and catching shrimp to get by.

他们漂泊湖上，以打鱼捕虾为生。

Effects of Fish on Tropical Shallow Lakes and the Implication for Lake Restoration;

鱼类对热带浅水湖泊的影响及其在湖泊修复中的意义

The state's lakes, rivers and ocean waters offer king salmon , trout , giant halibut and much more.

此州的湖泊、河川和邻近海域出产王鲑、鳟鱼、大比目鱼和很多鱼种。

The eutrophication in the major lakes is still rather serious.

主要湖泊富营养化问题依然突出。

Study on Numerical Simulation of Eutrophication of Shallow Lake in the City;

城市浅水湖泊富营养化数值模拟研究

Lake Eutrophication Assessment Based on Relational Number

基于联系数的湖泊富营养化评价研究

Study Advances on Technology of Nutrient Control in Lake Water Body

湖泊水体中营养盐控制技术研究进展

Development and Application of Eutrophication Models for Lakes

湖泊富营养化评价模型的发展和应用

A literature review for lake nutrient criteria development

湖泊营养物基准的制定方法研究进展

Atlantic salmon confined to lakes of New England and southeastern Canada.

限于新英格兰和加拿大东南部湖泊中的鲑鱼。

Study and Investigation of Lakes Inner Source Factors for Non-accident Large Death of Fishes;

湖泊非事故性大面积死鱼“内源”因素的调查研究

Short-term Response of Phytoplankton Community Structure to Fish Removal in Huizhou West Lake

广东惠州湖泊浮游植物群落对鱼类去除的响应

Studies on Fisheries Ecology in a Large Eutrophic Shallow Lake, Lake Chaohu;

大型浅水富营养湖泊—巢湖的渔业生态学研究