Aleutian Tern is actually a quite common migrant but is pelagic and will not stray inland, the only way to see one is to sea-watch.

白腰燕鷗其實(shí)是一種相當(dāng)常見的候鳥，但它是遠(yuǎn)洋的而且不會(huì)偏離到內(nèi)陸永久黄网站色视频免费大全91，要看到它唯一的方法是觀察海上国产日韩在线播放观看小视频。

Among the largest bony fish; pelagic fish having an oval compressed body with high dorsal and anal fins and caudal fin reduced to a rudder-like lobe; worldwide in warm waters.

大型的多骨魚；遠(yuǎn)洋魚青青青草视，橢圓體形大黄网站在线观看免费，背鰭和尾鰭高，尾鰭退化為似舵的突出物精品在线精品视频；遍布世界各地的溫暖水域免费无遮挡黄色网站。

Family of pelagic fishes containing solely the cobia.

僅包含軍曹魚的浮游魚的目。

On the floors of the world's oceans manganese nodules are found as a result of pelagic sedimentation or precipitation; they are small, irregular, black to brown, friable, laminated concretionary masses consisting primarily of manganese salts and manganese-oxide minerals.

世界海洋中錳結(jié)核的發(fā)現(xiàn)是由於遠(yuǎn)洋沉降或沉淀的結(jié)果黄色高清无码在线；它們體積不大深夜在线观看网址、不規(guī)則狀、黑色至棕色国产操老逼视频、易碎、薄礙塊欧美黑人粗暴多交，主要含有錳鹽和錳氧化物黄片免费看3区。

In a pelagic chert section at Dachongling of Xiaodong town in the Qinzhou area of southeast Guangxi, we found stratigraphically continuous condont fossils, and divided them into two conodont zones, namely, Jinogondolella granti zone and Clarkina dukouensis zone, in ascending order.

在廣西欽州地區(qū)小董鎮(zhèn)大蟲嶺深海硅質(zhì)巖剖面中，首次處理出了層序連續(xù)的牙形石化石国产精品黄色视频，并由老至新劃分了二個(gè)牙形石帶曰韩视频第一页，即Jinogondolella granti帶和Clarkina ducouensis帶。

The giant jellyfish exhibit two types of reproduction, one is asexual reproduction, including fertilized eggs, planula, scyphistoma, podocyst, strobila and ephyra; the other is sexual reproduction, including medusa or jellyfish, typically solitary, pelagic.

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In the pelagic subsystem,there are 4biological state variables which were represented by functional groups:flagellate,diatom,pelagic bacteria and zooplankton.In the benthic subsystem,there were 5 biological state variables represented also by functional groups:macrobenthos,meiobenthos,aerobic and anaerobic bacteria,and shrimp-which is actually epibenthos.

將浮游亞生態(tài)系又劃分為4個(gè)功能群外国熟妇性交，分別為：鞭毛藻城中村嫖娼吊带、浮游硅藻、水體中細(xì)菌和浮游動(dòng)物免费看黄网址国产精品，將底棲亞生態(tài)系劃分為5個(gè)功能群日本黄色美女网站，分別為大型底棲動(dòng)物、小型底棲動(dòng)物九九草在线乱码av、底棲厭氧菌午夜免费看三级片、底棲好氧菌，對(duì)于營(yíng)底上生活的對(duì)蝦也劃分在這一亞生態(tài)系中予以考慮欧美激情視頻。

Pelagic tunicates are an important group of zooplankton in the subtropic and tropic waters. Distribution and variation of their species richness and abundance are influenced by physical and biological factors. Pelagic tunicates play an important role in marine food web carbon cycle as they feed on bacterioplankton and pico-and nano-phytoplankton and meanwhile are preys for commercial animals.

浮游被囊動(dòng)物是熱帶和亞熱帶海域重要的浮游動(dòng)物類群三级片91韩国自拍，種類和數(shù)量的分布變化受物理和生物環(huán)境因素的影響；它一方面大量攝食浮游細(xì)菌和微小浮游植物AV福利网站，另一方面被一些經(jīng)濟(jì)動(dòng)物攝食嗷嗷喷水，因此在海洋食物鏈的傳遞和生態(tài)系統(tǒng)的物質(zhì)循環(huán)中占有重要位置。

The food consumption by the pelagic and demersal fish predators was over 2.62 and 0.47 million tons, accounting for 84.7% and 15.3% of the total food consumption, respectively. E. japonicus and L. tanakae were the most dominant pelagic and demersal predators, respectively.

中上層和底層魚類對(duì)餌料生物的攝食量分別為262萬(wàn)t和47萬(wàn)t左右www.国产盗摄.com，占總攝食量的84.7%和15.3%日韩一区二区无码影视大全，鳀魚和細(xì)紋獅子魚分別是中上層和底層魚類中最主要的捕食者。

Ostracods, whose abundance was equal to 3.47% in the total zooplankton, only being lower Copepods and Decapods in pelagic Crustacean, was an important pelagic animal.

東海北部外海四季均有介形類高豐度區(qū)出現(xiàn)五月婷婷超碰在线，但在東海北部近海長(zhǎng)江口及其鄰近舟山水域麻豆国产香蕉久久精品，介形類數(shù)量相對(duì)較低。