魚群分佈 的英文怎麼說
中文拼音 [yúqúnfēnbù]
魚群分佈
英文
fish distribution-
Most tidal areas in sihcao are distributed near the outlet to the sea where the salt content is low and water flows slowly. therefore, they are ideal habitats for animals and plants and nourish a wide variety of bathos, such as fish, shrimps and shells. when low tide comes, we can see flocks of birds and packs of fiddler crabs come seeking food in these areas
四草地區的潮間帶多分佈於出海口，因為此地位於河海交界，鹽分較低、水流緩慢，適合動、植物棲息，孕育豐富的魚蝦貝類等底棲生物，退潮時經常吸引成群的鳥類及招潮蟹前來覓食。Aligned with cytochrome b sequences from 29 siluriforms in japan, korea, russia, africa, north america and south america retrieved from genbank, and selected astyanax mexicanus, phenacogrammus interruptus, cyprinus carpio and oncorhynchus mykiss as outgroups, which are belonging to characiformes, cypriniformes and salmoniformes, respectively. we constructed a matrix of 65 dma sequences. the kimura ' s two - parameter distances were calculated and molecular phylogenetic trees were constructed by using the maximum parsimony ( mp ), maximum likelihood ( ml ) and neighbor - joining ( nj ) methods
所得序列與從genbank下載的分佈於非洲、北美洲和南美洲等地的鯰形目魚類同一基因序列進行排序，並選用脂鯉目（ characiformes ）的墨西哥麗脂鯉（ astyanaxmexicanus ） 、斷線脂鯉（ phenacogrammusinterruptus ） ，鯉形目（ cypriniformes ）的鯉（ cyprinuscarpio ）以及鮭形目（ salmoniformes ）大麻哈魚屬的oncorhynchusmykiss作外類群。Daming mountain natural reserve is typical evergreen broadleaf monsoon forest area located on the tropic of cance in china. there are rich natural resources in this area, such as 1 836 plants, 49 wild mammals, over 65 birds, 11 fresh water fish and a lot of insects. some suggestions about the protection of biodiversity and sustained exploitation of resources were proposed
大明山自然保護區是我國在北回歸線上保存下來的南熱帶季風常綠闊葉林區，通過對大明山自然保護區調查研究發現有高等植物1836種，野生哺乳動物有49種，鳥類超過65種，兩棲爬行類有13種，淡水魚類有11種，以及種類繁多的昆蟲.分析了植物資源及群落的多樣性，哺乳動物、鳥類、兩棲爬行類、魚類的分佈及現存狀況The order euphausiacea consists of 86 or 87 species distributed over the ocean of the world, plays an important role in marine ecosystem, particularly in southern ocean, and is the key link of marine primarily productivity and higher trophic levels. krill fisheries are relatively recent developments. 47 species belonging to seven genera of two families in krill were recorded in china seas
磷蝦是一類大型的海洋浮遊動物，數量大，分佈廣，是海洋浮遊動物的重要類群之一，在海洋生態系統中具有重要地位，尤其在南大洋，是維系海洋初級生產者與更高營養階的主要環節之一；同時，磷蝦又是許多經濟魚類的主要餌料，近年來，磷蝦作為新興的漁業資源正引起人們的高度重視。This a nimal could not be found in the branches flowing into dongting lake now
長江江豚在洞庭湖的分佈范圍主要集中在從城陵磯到鯰魚口一帶，其種群數量大致為100 150頭。All patches adjacent to water are excotone and they have twist edges and narrow figure, which is suitable with the function of the frequency of exchanging the matter and energy, what ' s more, these patches are mixture in the plant community styles, which is according with the importance character of the excotone which is that many system coexist. 3 ) : the dissimilarity of plant community is key factor in composing the landscape heterogeneity
鄰水斑塊邊界曲折，形狀狹長，多為混合型斑塊，這與生態交錯帶多系統共存特性是相適應的。樹種結構組成差異是構成花港觀魚公園綠地景觀異質性的主要因素，不同木本植物群落類型在花港觀魚公園不同綠地斑塊類型中交錯分佈，同一斑塊類型內部群落相異性指數較高。Macrophyte played important role in the distribution of fish community. biomass of fishes in the macrophyte regions was significantly higher than in the regions without macrophyte
水生植被是小型魚類群落分佈的主要影響因子，有水草的區域魚類數量顯著比無水草的區域多。In addition, the origin and functions of the sub - epidermal cells in h. cordata stems and leaves as well as the characteristics of the corresponding structures of other paleoherbs and hydrapoten structure and distribution were studied
對魚腥草莖和葉中的皮下層細胞的來源和功能、與其他古草本類群相關的結構特徵以及水缽的結構與分佈等問題進行了探討。We compared the population size after spawning this year with the size before reproduction season of last year to deduce the degree of population fluctuation. the scope of investigation is almost the same with that of last year except that the middle and upper segments of skyline creek were excluded
本年度的調查范圍和去年度所做的普查范圍大致相同，但司界蘭溪中、上游溪段在去年度調查結果顯示已無魚群分佈蹤跡，同時因為本年河川流量過大，故於本年度並未調查。分享友人