查询词典 algal disease

Evapotranspiration value and transpiration indexes of the three types of soil microbiotic crust under different water content(including Bryum argenteum crust,Didymodon nigrescens crust and algal crust) were measured.

通过对3种土壤生物结皮在对照和3个不同水分条件下进行蒸散量以及蒸腾指标的观测，结果表明：①3种土壤生物结皮蒸散量日变化过程呈现单峰型，各个处理间峰值出现时间和蒸散量变化幅度差异较大；真藓对照组峰值为0.473 g/10 cm2，出现时间为11：00时。

The results showed that the freshwater species were predominant, and 45 species of algal (5 phylums, 32 genera), in which 18 species of Bacillariophyta belong to 12 genera, 15 species of Chlorophyta one genus, 10 species of Cyanophyta 7 genera, and one specie of Euglenphyta and Chrysophyta; 37 species of zooplankton, in which 9 species of Protozoa, 14 species of Rotifera,...

结果表明，淡水种类占绝对优势，藻类5门32属45种，其中硅藻12属18种，绿藻1属15种，蓝藻7属10种，裸藻、金藻各1属1种；浮游动物共计37种，其中原生动物9种，轮虫14种，枝角类2种，桡足类8种，浮游幼虫及其它4种；底栖动物20种，分别为环节动物的多毛类7种，寡毛类2种，软体动物8种，甲壳动物2种，鱼类1种。

By means of core observation and log analysis of reservoir, it is recognized that widely distributed Tazhong uplift is formed from the late of Middle Ordovician to the early of Late Ordovician (from Llandeilo in Early Caradoc). The buried hill paleo-karst reservoir developed in the carbonate rocks of the mid-upper section of Yingshan formation of Lower Ordovician and covered by Lianglitag formation of Upper Ordovician is dominated by lithology of granular limestone, micritic limestone and algal elastic limestone interlayered with dolomite of open to semi-restricted platform fades.

通过岩心观察、测井储集层分析等手段，识别出塔中凸起区广泛分布形成于中奥陶世晚期－晚奥陶世早期（兰代洛世－卡拉道克世早期）、发育于下奥陶统鹰山组中上部碳酸盐岩中且被上奥陶统良里塔格组覆盖的古潜山岩溶储集层，其原岩主要为开阔－半局限台地相颗粒灰岩、泥晶灰岩、藻灰岩夹白云岩。

The growth and physiological change of Chlorococcum sp. under different nitrogen concentrations were studied adopting the standard method of algal bioassay.

采用藻类生物测试标准方法研究了不同氮浓度条件下绿球藻Chlorococcum sp。

The feature Chromophoric dissolved organic matter and its source in Meiliang bay and Da Taihu lake in Taihu Lake are analysed based on every 2 time′s samplings in summer with algal bloom and winter.

基于2004年夏季水华暴发期和冬季在梅梁湾及大太湖各2次采样，分析了夏季、冬季CDOM的特征及其可能的来源，发现夏季CDOM吸收系数、叶绿素a浓度均明显高于冬季，DOC浓度、CDOM吸收系数a(355)的变化范围分别为5.17～12.42 mg/L、2.57～6.77 m-1，最大值均出现在冬季(12月15日)的直湖港入湖口。

The algal species of the Cyanophyta such as Chroococcus, Dactylococcopsis, Phormidium and Spirulina were all euryhaline algae.

并就浮游生物在对虾养殖中的重要作用进行了分析。

Under the influence of different types of bait Solen strictus energy for growth from low to high by the order for the algae Nitzschia closterium, Chlorella, Dunaliella, the algae, algal flat; feeding algae growth to the highest flat.

不同饵料种类影响下长竹蛏用于生长的能量由低到高所排列的藻类为新月菱形藻，小球藻，盐藻，金藻，扁藻；投喂扁藻生长能最高。

Sauna didn't ingest the algal cells. When the re-suspended cells and cell-free medium of A. catenella were mixed with N. closterium or P.

暴露于链状亚历山大藻藻液，卤虫体重减轻，且在其体内未检测到叶绿素a，表明卤虫未摄食该藻。

It is shown from the assessment results that (1) both the TN and TP fluxes discharged from the Changjiang River to the Changjiang River estuary sea area increased continuedly, the DIN concentration in the sea areas increased continuedly, and the Si concentration decreased continuedly, which resulted in the significant changes in N/P/Si ratios;(2) the chlorophyll a concentration in the sea areas increased continuedly, and the significant changes in community structure of phytoplankton occurred;(3) the species and biomass of benthos declined greatly, and the bottom oxygen-poor water area increased significantly;(4) the range and occurrence frequency of red tide events in the sea areas increased greatly, and the algal toxic infection events of mussel were frequently found in the sea areas.

结果表明，长江向长江口海域输送总氮和总磷通量持续增大，长江口及其邻近海域无机氮浓度持续增高而硅浓度持续下降，并由此导致N/P/Si与比值的显著变化；该海域叶绿素a浓度持续增大，浮游植物群落结构也发生了显著变化；该海域底栖生物种类和生物量都大大减少，底层水低氧区面积也显著扩大；该海域赤潮事件无论是规模还是频率都大大增加，藻类毒素DSP/PSP贻贝传染事件也时有发生。

Evidence of emergence including sabkha dolostone, algal mat, bird-eyes and fenestral structure, mudcracks and crustose limonite has been found in the top of the Changhsingian reefs in Ziyun, Guizhou province.

贵州紫云长兴期生物礁顶部存在的出露证据有：（1）形成于萨勃哈蒸发环境的白云岩，（2）藻纹层沉积，（3）鸟眼和窗格构造，（4）干裂缝和褐铁矿风化壳，等等。

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