群生 的英文怎麼說
中文拼音 [qúnshēng]
群生
英文
local-
There are five natural sample zones of adiantum reniforme l. var. sinense y. x. lin investigated, and recorded 34 species. 10 dominant species were used to calculate the niche width of populations and the niche overlap interpopulations
調查了5個自然樣地,記錄了34個伴生種,取10個優勢種進行種群生態位寬度與生態位重疊的計算。Form. taxus chinensis var. mairei is protecting plant in the first class, which is a precious and endangering plant in china in this paper, the quantitative characterics of form. taxus chinensis vsr. mairei population including age structure, spatial distribution pattern, growth dynamics of tree basal area, niche characterics, fractal dimension and competition between specises were studied using methods of mathematics ecology from the angle of population ecology of form. taxus chinensis var. mairei, then the prent state and the endangering causes were analysed. this research offers gist to protecting and enlarging the crude resourse of form. taxus chinensis vsr. mairei population, afforesting plantation and sustainable utilize for us
本文從南方紅豆杉種群生態學的角度、主要應用數學生態學的方法探討南方紅豆杉種群的數量特徵,包括南方紅豆杉種群年齡結構、種群空間格局(探討分佈格局動態規律與生境相互關系) 、不同立地條件下種群優勢度增長趨勢、生態位寬度、生態位相似比例、生態位重疊、空間占據能力及種間競爭等,分析其目前現狀及瀕危原因,期望為南方紅豆杉野生資源的保護和擴大、營造人工林及可持續利用提供理論基礎,也為瀕危植物種群生態學的研究提供參考。The method of modified simplex was applied to optimize the models, and the fitting results show that liu - logistic model was more suitable than logistic model to the actual growth trend of form. taxus chinensis var. mairei population, and the highest growth rate of basal area was the tenth age class, namely the phase when breast diameter was 68 ~ 76 cm
以胸高斷面積代替種群生物量,分別採用logistic常規模型及劉金福提出的logistic改進模型對南方紅豆杉種群的增長動態進行研究,運用改進單純形法對模型進行優化,擬合結果表明改進模型比logistic常規模型更符合南方紅豆杉種群的增長趨勢,南方紅豆杉種群的最大增長速度出現在第10齡級,即胸徑為68 76cm時期。Study on the distribution and pathogenicity of biotype one ureaplasma urealyticum in female reproductive tract
解脲支原體生物一群在不同女性人群生殖道中的分佈Lovely white flowers and rose colored bracts are produced on an extended scape
此種容易栽培,植株漸漸成長為群生。Survey and analysis of the fertility desires of the childbearing - aged people
千名育齡人群生育意願的調查與分析In this paper, the resistance of sweet corn varieties to asian corn borer ( acb ) ( ostrinia nubilalis ) were evaluated by means of host experimental population life table and natural population life table ; the order of their resistibility is as follows : s2 > y3 > h1 > y1 > c20
摘要利用亞洲玉米螟實驗種群生命表和自然種群生命表方法評價甜玉米品種對亞洲玉米螟的抗蟲性,結果得出亞洲玉米螟對不同甜玉米品種的抗性大小依次為:穗甜2號>奧甜2號>華1 >奧甜1號>超甜20 。Think we ' re all just a bunch of deviant iifestyle - iiving,
覺得我們只是一群生活不正常Experimental population ecology of carcelia matsukarehae shima diptera : tachinidae
松毛蟲狹頰寄蠅實驗種群生態學研究In order to solve the problems of space group formation and event detection in battlefield, a novel group formation algorithm for maneuvering target was proposed
摘要為了解決空間合群和戰場中的事件檢測問題,提出了一種新的機動目標的空間群生成演算法。State of war and sovereignty states are the two opposite ends of the spectrum of hobbesian predicament. ( 3 ) a critical - oriented political education, which advances by and to everyone in the society to identify the harmful capacities of fear and pride and to transform them into the beneficial ones, provides a reliable way to deliver from hobbesian predicament and to open the gate to a possible better political order
自然狀態猶如群居生活中的原色,只有深淺之分,而無存滅之實,人群生活之樣貌與福禍,便在自然狀態與政府治理之兩端持續拉扯起伏,其中的關鍵力量在於每個人的恐懼與驕傲是否獲得內外在力量的掌握,宛如利維坦之雙足,須協調一致,始能穩立而成巨大的驕傲之王。In this thesis, hordeum brevisubulatum ( trinius ) link, which is one of the fine and important forage grass species in the north of china, is researched on its growth and development, physiological ecology and population ecology
本論文對野大麥( hordeumbrevisubularum ( trinius ) link )這一北方優良牧草在個體生長發育、生理生態以及種群生物學等方面進行了較全面的系統研究。The iguanodon lived in groups. they were sort of smart. they could run on two legs or walk on four legs. they could run fast
禽龍成群生活。它們有點聰明。它們跑步時用兩條腿,走路用四條腿,禽龍能跑得很快。We synthetically discussed intraspecific differentiation and evolution, from four biotic levels of population, individual, cell and gene. intraspecific differentiations in morphology were investigated firstly. the results indicated that there are varied polymorphsim within populations, and obvious polytypism among populations
本文在形態分類的基礎上,根據居群生物學的原理和方法,對淡黃花百合的形態學、細胞學、分子生物學進行了研究,從居群、個體、細胞和基因四個層次綜合探討了該種植物的種內分化與進化。To investigate what causes who to leave whom, and when, a group of animal behaviourists and mathematicians has been studying a shore dwelling bird called the kentish plover
為了調查何時、何因導致哪方離開哪方,一群生物行為學家和數學家對一種住在海邊的肯特郡鳥進行了研究。Life table analysis of castanopsis carlesii population in wuyishan
武夷山米櫧種群生命表分析Life table for 3 mite species under different temperature
不同溫度下3種害蟎實驗種群生命表研究Study on the natural population life tables of pantana phyllostachysae chao
剛竹毒蛾自然種群生命表的研究Life table of natural bemisia tabaci population on cucumber plants in
不同季節黃瓜上煙粉虱自然種群生命表研究Bionomics of perissopneumon xyliae and life tables of its natural population
雲龜履碩蚧的生物學及其自然種群生命表分享友人