魚類區系 的英文怎麼說
中文拼音 [yúlèiqūxì]
魚類區系
英文
ichthyofauna-
Proper and active habitat management work is essential to maximize the ecological values of these freshwater ponds and our reserve staff at mai po have cautiously managed these habitats by controlling the water levels, clearing invasive water plants as well as removing exotic fish in the systems, said samson so, wwf hong kong training officer. exuviae of dragonfly
世界自然基金會培訓主任蘇毅雄表示：適當的生境管理工作，對于提高淡水池塘的生態價值至為關鍵，保護區的員工透過控制水位清理外來水生植物和生態系統中的外來魚類，仔細而謹慎地管理生境，令生境成為不同野生生物的理想居所。In the fairly deep lake facies there found abundant bivalve fossils, such as the standard foss il of permian in north xingjiang - tarfaniasp.,
半深湖相中發現豐富的瓣鰓類動物化石，如北疆地區二疊系標準化石?吐魯番鱈魚及介形類等。Studies on fish fauna and dividing line of holarctic and oriental regions in upper zhenjiang river
湞江源地魚類區系與全北區東洋區分界線的劃分The results show that ( 1 ) loops are in general more variable than stems, and in loops a strong adenine bias are observed : ( 2 ) there does not exist a saturation effect in stems, loops or all positions of the 16s rrna gene fragments : ( 3 ) in the molecular cladogram, bagarius forms a sister group with glyptothorax, and euchiloganis forms a sister group with pareuchiloglanis, and exostoma forms a sister group with glyptosternum : ( 4 ) the phlogenetic positions of pseudecheneis, exostoma and glyptosternum are not recognized ; the glyptosternoid fishes are not monophyly although they are defined by 13 osteological apomorphies ; the incongruence of cladograms between molecular and morphological sets may be caused by less informative sites of the 550 homologous sites ; ( 5 ) e. davidi and e. kishinouyei could be the same species according to the genetic distances ; p. sinensis and p. anteanalis could be too
結果表明： （ 1 ）環區平均變異位點較莖區多，有很強的a偏好性； （ 2 ）沒有替代飽和現象； （ 3 ）分子系統樹上?屬和紋胸?屬構成姐妹群，石爬?屬和?屬構成姐妹群， ?屬和原?屬構成姐妹群； （ 4 ） ?屬、原?屬和褶?屬的系統發育位置不定， ? ?魚類並未形成一個單系類群；可能的原因是所得到的16srrna基因片段信息位點太少； （ 5 ）青石爬?和黃石爬?可能是同一物種，中華?和前臀?可能是同一物種。The main important protected species of water ecosystem of the yellow river should be valuable economic fishes, such as saury and carp and the main protected ecological zones include the wetlands in reservoir area, estuary and channel and water area for sight and recreation
黃河水生態系統中的主要保護物種應是珍貴經濟魚類北方銅魚、河口洄遊魚類刀魚、鯉魚等，主要保護的生態區包括庫區濕地、河口濕地、河道濕地以及景觀娛樂水域等。Poiycyclic aromatic hydrocarbons ( pah ) are priority trace organic pollutants in the clrtap ( convention on long - range transboundary air poliution ) pops ( persistent organic poilutants ) protocol. both laboratory experiments and fie1d surveys unequivocally demonstrated that pah adversely affect estuarine and marine organisms. pah are implicated in the development of iesions and tumors in fish, they produce biochemical disruptions and cell damage that iead to mutations, developmental malformations and cancel although many marine organisms do not exhibit acute responses to pah " exposure, but suffer sublethal effects
本論文以湄洲灣海域和廈門西海域養殖區為研究區域，採用現代分析技術，從分子水平上系統研究了多環芳烴（ pah ）在海水、沉積物、養殖魚類中的含量分佈：通過現場實驗，實驗室暫養、投毒和恢復實驗系統測定了養殖魚類的肝臟、膽汁、鰓、全血等不同器官、組織的生化指標及養殖魚類肝臟、膽汁的化學指標，探討了這些指標對水環境多環芳烴污染的生物指示作用。A total of 35 species were collected, which could be classified into 11 families, 23 species belonging to cyprinidae, 2 species to serranidae and 2 species to eleotridae, and only one species to each of the remaining 8 families
魚類區系調查表明牛山湖現有魚類35種，鯉科有23科，湖泊定居性魚類居多。魚類物種多樣性比上個世紀七十年代和八十年代有所下降。During our surveys to the lugu lake in 2001, 2002 anti 2004, 518 specimens were collected and the current fish fauna was documented
文獻記錄滬沽湖原始的魚類區系由4種魚類組成，隸屬于裂腹魚屬和泥鰍屬。It also includes an important sample of varzea ecosystems, igapo forests, lakes and channels which take the form of a constantly evolving aquatic mosaic that is home to the largest array of electric fish in the world
保護區內不僅有平坦耕地生態系統、洪泛森林生態系統，還有無數湖泊和河流，這些水域以不同的形式相互演變，為世界上最大的發電魚類種群提供了棲息地。Besides previous collections and abundant reports, 12 species have been recorded in the lugu lake, which belong to 10 genera, four families and three orders
於2001 ， 2002和2004年3次考察滬沽湖，進行標本採集和魚類區系現狀調查。Fish fauna and dividing of northern line of oriental region, at yali river upper reach of beijiang river
南嶺南部北江源地魚類區系及東洋區北側界的劃分分享友人