本文關(guān)鍵詞：我國海域赤潮甲藻孢囊形態(tài)與分布特征研究　出處：《大連海事大學(xué)》2016年博士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 甲藻 孢囊 形態(tài)學(xué) 分布 中國海 長山群島

【摘要】：在開展渤海、黃海、東海、南海海域33個主要海灣或養(yǎng)殖區(qū)表層沉積物采樣調(diào)查的基礎(chǔ)上,結(jié)合以往調(diào)查資料,系統(tǒng)地闡述了我國海域主要甲藻孢囊種類和數(shù)量的空間分布；對9個代表性海域的甲藻孢囊開展了群落相似性分析；同時,通過對大連長山群島海域甲藻孢囊的時空分布研究,詳細闡述了甲藻孢囊的種類組成、時空分布規(guī)律及其與海流、沉積物等環(huán)境因子的相互關(guān)系。結(jié)果顯示：本研究發(fā)現(xiàn)我國近海常見產(chǎn)孢囊的赤潮甲藻40種,包括膝溝藻目4科5屬12種、裸甲藻目3科5屬7種、多甲藻目3科6屬21種。甲藻孢囊包括膝溝藻類孢囊11種、Tuberculodinioid類孢囊1種、裸甲藻類孢囊6種、鈣質(zhì)孢囊3種、翼藻類孢囊3種和原多甲藻類孢囊16種。其中,渤海海域甲藻孢囊種類和豐度均較低；東海海域孢囊種類豐富,但豐度較低；黃海煙臺、長山群島海域孢囊種類和豐度均較高；南海大亞灣、大鵬灣海域孢囊種類和豐度均較高。9個代表性海域甲藻孢囊群落相似性分析結(jié)果處于中等不相似水平或以下,群落組成差異明顯,表明各海區(qū)甲藻孢囊群落親緣關(guān)系較遠。長山群島海域甲藻孢囊種類豐富,豐度較高,是我國甲藻孢囊分布的一個集中區(qū)；因島嶼效應(yīng)形成的特定沉積環(huán)境促使大量孢囊沉積在位于島影區(qū)域的浮筏養(yǎng)殖區(qū)和底播養(yǎng)殖區(qū)；有毒有害甲藻營養(yǎng)細胞及其孢囊種類和數(shù)量可能與當(dāng)?shù)刎愵愺w內(nèi)赤潮毒素含量有相關(guān)關(guān)系。
[Abstract]:In the Bohai Sea, Huang Hai, the East China Sea, the South China Sea, 33 main bay or aquaculture area surface sediment sampling survey based on the past survey data. In this paper, the spatial distribution of the species and quantity of the major cysts in the sea area of China is systematically described. Community similarity analysis was carried out in 9 representative sea areas. At the same time, the species composition, temporal and spatial distribution and ocean currents of the cysts in Changshan archipelago, Dalian, were studied in detail through the study of the temporal and spatial distribution of the dinoflagellate cysts. The results showed that there were 40 species of common sporocystis in the coastal waters of China, including 4 families, 5 genera and 12 species of geniculata, and 7 species of 3 families, 5 genera and 5 genera of Prorocentrum. There are 21 species in 6 genera, 3 families, 3 families of Pyrocystis, including 11 species of tuberculoid cysts, 6 species of naked algaecia and 3 species of calcareous cysts, including 11 species of geniculate algae cysts, 1 species of tuberculodinioid cysts, 3 species of calcareous cysts. There are 3 species of pterygocystis and 16 species of proto-polychysmal cysts, among which, the species and abundance of these cysts are lower in Bohai Sea. The species of spore cysts in the East China Sea are abundant, but the abundance is low. Huang Hai Yantai, Changshan Islands sea area spore cyst species and abundance are higher; The species and abundance of cysts were high in Daya Bay and Dapeng Bay, South China Sea. The results showed that the phylogenetic relationship of the community of Pyrocystis in different sea areas was far. The sea area of Changshan Archipelago was rich in species and high in abundance, so it was a concentrated area for the distribution of Pyrocystis in China. The specific sedimentary environment formed by the island effect caused a large number of spore cysts to be deposited in the raft culture area and the bottom seeding culture area located in the island shadow area. The species and quantity of nutritive cells and spore cysts of toxic and harmful Prorocentrum may be related to the content of red tide toxin in local shellfish.
【學(xué)位授予單位】：大連海事大學(xué)
【學(xué)位級別】：博士
【學(xué)位授予年份】：2016
【分類號】：X55

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