雁類 的英文怎麼說
中文拼音 [yànlèi]
雁類
英文
wild geese-
This survey also discovered 3 white pelicans, about 10, 000wild geese and ducks include green - winged teal, eurasian wigeon, spotbill duck and mallard ; and also 5, 000 plovers and curlews like eurasian curlew, dunlin, rufous - necked sandpiper, kentish plover and black - bellied plover ! con the other hands, a flock of about 1, 000 swan geese anas cygnoides was discovered in wenling town at minjiang estuary on 8 january 2003
是次調查還發現3頭白鵜鶘，綠翅鴨赤頸鴨斑嘴鴨綠頭鴨等雁鴨類約1萬頭;白腰杓鷸黑腹濱鷸紅胸濱鷸環頸灰斑1. because the taxonomic division is rather complex and has been much disputed and revised, in this part, we will review the classification and phylogeny of families, subfamilies and tribes of anseriformes based on morphology, ethology, osteology, mitochondrial and nuclear dna restriction fragment length polymorphism, single - copy nuclear dna hybridization and the sequences of mitochondrial gene analysis referring to the different definition, classification and phylogenetic relationships of the families, subfamilies and tribes of anseriformes. the controversial questions and deficiency in the systematic studies of anseriformes were pointed out
具體包括以下幾個部分： 1 、針對雁形目鳥類異常復雜的分類狀況及分類上存在的爭議，根據雁形目鳥類的形態學、行為學、骨骼學、角蛋白、線粒體與核dna酶切片段長度多態、單拷貝核dna - dna雜交及線粒體基因dna序列分析等方面的研究，對雁形目鳥類分類中科、亞科和族的劃分及其相互間的系統發生關系進行綜述，分析系統學研究中存在的不足，提出了雁形目鳥類分類中急需解決的問題。Phylogenetic analysis surports that anseranas should be placed in monotypic family anseranatidae, and the whistling ducks and the white - backed duck should be separated from subfamily anserinae and placed them into family dendrocygnidae. the family anatidae could be classified into two subfamilies, anserinae and anatinae. the results approve that the swans should be put into the tribe cygnini of subfamily anserinae as suggested by livezey ( 1996, 1997b ) and the shelducks should be placed in the tribe tadornini of subfamily anatinae, therefore, our results do not support sibley and ahlquist ' s ( 1990 ) establishment of the subfamily cygninae and placing the shelducks in the tribe anserini
研究結果表明： 1 ）雁形目鳥類12srrna基因有較多的堿基插入和缺失，堿基轉換數高於顛換數； 2 ）贊同將鵲鵝（ anseranas ）置於鵲鵝科（ anseranatidae ）中，樹鴨（ dendrocygna ）應從雁亞科（ anserinae ）中獨立出來設立樹鴨科（ dendrocygnidae ） ，白背鴨（ thalassornis ）隸屬于樹鴨科； 3 ）鴨科（ anatidae ）可分為雁亞科和鴨亞科（ anatinae ） 2個亞科，不贊同sibley & ahlquist （ 1990 ）設立天鵝亞科（ cygninae ）及將麻鴨歸入雁族（ anserini ）的觀點，支持livezey （ 1996a ， 1997b ）的觀點建議將天鵝類歸為雁亞科天鵝族（ cygnini ） ，麻鴨置於鴨亞科下麻鴨族； 4 ）在鴨亞科內的系統發生上，潛鴨最早分歧出來，麻鴨、海中文摘要鴨及棲鴨彼此iaj的親緣關系較近；河鴨族為一單系發生群，在系統演化中形成獨立的一支。3. the sequence variation of mitochondria ! cytochrome b gene and phylogenetic relationships of anseriformes were studied based on the complete cytochrome b gene sequences of 19 species combined with 4 species got from genbank
3 、研究測定雁形目鳥類19f mtdna細胞色素b基因全序列，結合genbank中的4個物種，分析了雁形目鳥類細胞色素b基因的序列變異及其分子系統發生。2. the sequences variation of mitochondrial 12s rrna gene and phylogenetic relationships of anseriformes were studied based on the complete 12s rrna gene sequences of 36 living species of which 19 species were sequenced and other related data obtained from genbank
2 、研究測定了雁形目（ anseriformes ） 19種mtdna12srrna基因全序列，結合genbank中雁形目種類相關數據，分析了雁形目36種鳥類12srrna基因序列變異及其分子系統發生。Among avian orders, the anseriformes ( screamers and waterfowls ) are a morphologically and biologically diverse group containing ca. 150 species distributed worldwide except antarctica. this paper will review the phylogeny of anseriformes firstly and then discuss the molecular phylogeny of anseriformes based on the genetic variation of mitochondrial 12s rrna gene and cytochrome b gene respectively
本文首先對雁形目鳥類的系統發生研究進行了綜述，然後分別基於雁形目鳥類線粒體dna12srrna基因和細胞色素b基因全序列的遺傳變異分析，探討了雁形目鳥類分子系統發生。Analysis of the sequence variation of cytochrome b gene indicated that there is no evidence of insertions or deletions, i. e., they are all of identical length of 1143 bp in all the sequences of cytochrome b gene. further, the sequences can be fully translated into amino acid using chicken mitochondrial codon without nonsense mutations or intervening stop codons. the 1143 bp cytochrome b alignment contained 416 variable sites, of which 306 were parsimony informative sites with the strongest variable in third codon positions and less variable in first and second codon positions
細胞色素b基因序列變異分析表明： 1 ）雁形目鳥類細胞色素b基因全序列長度一致，無插入和缺失：對照雞線粒體密碼子系統全序列能全部翻譯成氨基酸序列，無無義突變，全序列內部無終止密碼子； 2 ）序列比對后1143加，含416個核著酸變異位點， 306個簡約信息位點，其中處於密碼子第三位的變異最大，第一位和第二位堿基的變異相對較小。Trainees also conducted waterbird surveys in 15 coastal wetlands from january to may 2003, one of the key research sites being minjiang estuary wetland. among the 30, 000 waterbirds wintering there, 1, 000 endangered chinese geese 1. 8 % of the world population can be seen. it is also a wintering and roosting site for black - faced spoonbills, with a maximum of 15 individuals 1. 4 % of the world population recorded there
其中一個重點調查地區是閩江河口濕地，該地除了是超過三萬只水鳥的越冬地之外，亦記錄到約1 ， 000隻瀕危鳥類鴻雁約佔全球數量1 . 8 % ，也是黑臉琵鷺的越冬地和遷徙停棲地，最多記錄為15隻約佔全球數量1 . 4 % 。During april - july each year, over a hundred thousand birds such as wild geese, cormorants, swans and ducks, migrate over from south china and southeastern asia onto this small island with less than one square kilometre
在不到一平方公里的小島上，聚集來自中國南方及東南亞的十萬多隻各類候鳥，主要有斑頭雁魚歐天鵝及鴨類等。So far, the quality of the water of the summer palace can reach the high level, therefore, visiters can see wild duck, wild goose, etc
目前，頤和園的水質已達到二級，因此遊客還能見到野鴨、鷗鷺、大雁等許多珍稀鳥類。The company now has obtained all the products production permits of four categories of electric power fittings and taken the lead in passing the certification of international quality system iso9001. it is the unit managed centralizedly by the original electric power industry department, the director s unit of china standard metrology quality association, the member unit of provincial electric power fittings manufacturers, the provincial excellence - creating enterprise, the provincial metrological, standard and qualified enterprise, the provincial city town star enterprise, the advanced enterprise in quality management, the advanced unit, the excellent enterprise, the key backbone enterprise, the advanced enterprise in safe production, the vice president s unit of the electric power fittings and cable accessories industrial association, and the aaa - grade credit enterprise of the agricultural bank of china
中國浙江天吉電力金具有限公司地處國家級風景旅遊區溫州雁蕩山南麓柳市鎮內，是我國最大的電力金具電纜附件專業生產企業之一，公司已取得四大類電力金具所有產品生產許可證，率先通過iso9001國際質量體系認證，是原電力工業部歸口管理單位，中國標準計量質量協會理事單位，省電力金具生產廠家會員單位，省創優企業，省計量標準合格企業，省市鎮明星企業質量管理先進企業先進單位優秀企業重點骨幹企業安全生產先進企業，電力金具電纜附件行業協會副會長單位，中國農行歷年aaa資信企業。According to lithology, color, size of grain, sedimentary structure, and fossil types, the matuo formation vertical lithofacies are grouped into four types, represented tidal flat circumstance dominated by tide and shoreface circumstance dominated by wave, respectively
根據巖性、顏色、顆粒粒徑、沉積構造以及所含有化石類型，可以將雁石坪地區瑪托組劃分為4個巖性組合，它們分別代表以潮汐作用為主的潮坪?海灣環境和以波浪作用為主的濱面環境。Through the analysis of the stratigraphy and sedimentary facies of the research areas, the description model between the stratigraphic framework and deposite environment can be set up firstly by the transition from the " three horizons sandstone with two intercalated limestone horizons ' mn yanshiping area to shale and marl in amdo - zigetang co, and to oil shale in bilong co, then by the transition of the shallow water platform facies to the deep water continental shelf, slope, and to the deep water basin
通過對研究區地層和沉積相分析，建立起一個從北向南由雁石坪地層類型「三砂夾兩灰」過渡為安多?茲格塘錯地層類型泥頁巖、泥灰巖，最後到比洛錯地層類型黑色油頁巖，由淺水臺地相過渡到深水陸棚、斜坡，最後到深水盆地相的地層格架與沉積環境解釋模式。Scolopacidae, ardeidae and anatidae are the common migrants in winter, while laridae love to live here in summer
魚瘟區冬季以鷸行鳥科、鷺科、雁鴨科為主，夏季則常有鷗科鳥類出現。Their appearance in korea every year resembles typhoon habit
雁群于韓國的出沒模式與臺風相類似。分享友人