population dynamics 中文意思是什麼

population dynamics 解釋
群體動態。

  • population : n. 1. 人口;人口總數;全體居民;人口的聚居。2. 物的全體[總數];【生物學】蟲口;種群(量);群體;族,組,個數;【統計學】對象總體,全域。3. 【物理學】布居;密度。4. 〈罕用語〉殖民。
  • dynamics : n. pl. 1. 〈用作 sing. 〉 力學;動力學。2. 動力,原動力。3. 動態。4. 【音樂】力度強弱法。
  1. He used aphid fecundity data to elucidate the theoretical effects of antibiosis on insect population dynamics.

    他利用蚜蟲繁殖力資料說明了抗生作用對蟲口動態的理論效應。
  2. We constructed fences using 2 x 2 x 2 factorial design to examine the effect patterns of food availability, predation and interspecific competition on population dynamics and spatial behavior of reed voles, microtusfortis. we expected to test two hypothesises : ( 1 ) availability of high quality food, predation and interspecific competition have independent and addictive effects on population system dynamics for small mammalia herbivore ; ( 2 ) availabiliry of high quality food could reduce home range and aggressive behavior level between individuals of microtine, predation and interspecific competition have independent effects on spatial behavior of microtine

    以2 2 2析因實驗設計,在野外圍欄條件下,探討食物可利用性、捕食及種間競爭對沼澤田鼠( microtusfortis )種群動態及空間行為的作用,旨在檢驗下述特定假設: ( 1 )高質量的食物可利用性、捕食及種間競爭對植食性小哺乳動物種群系統動態具有獨立的和累加的效應; ( 2 )高質量的食物可利用性可降低田鼠個體間的攻擊行為水平,並導致其巢區減小;捕食與種間競爭對田鼠的空間行為亦有獨立的作用。
  3. Dynamical systems examples from mathematical biology and population dynamics

    來自生物數學和種群動力學的動力系統的例子。
  4. All records both common and uncommon birds supplement the existing wwf ornithological research work and help us better understand population dynamics of bird species and groups inside the nature reserve

    無論是常見或罕見的雀鳥記錄,也對我們世界自然基金會在米埔的鳥類數目的研究工作有很大的幫助。
  5. Insect population dynamics has always received much attention.

    昆蟲種群動態的研究一直受到重視。
  6. By quantifying these causes the population dynamics of the insect would be better understood.

    通過對這些原因進行定量,可以更好地了解昆蟲的種群動態。
  7. The population dynamics of rhopalosiphum maidis in maize field

    玉米蚜的發生動態研究
  8. Population dynamics of tryporyza incertulas and its control methods

    三化螟種群動態分析及防治
  9. Studies on field population dynamics of aceria litchii keifer

    荔枝瘤癭蟎田間種群數量動態研究
  10. Population dynamics in the information age

    信息時代的人口動力學
  11. Optimal harvesting for a nonlinear age - dependent population dynamics

    非線性依賴年齡的人口動態最優收獲
  12. Prediction of the natural population dynamics of spodoptera litura fabricius

    斜紋夜蛾自然種群數量動態預測研究
  13. Egg in diapause or not : logit ( p ) = - 41. 832 + 1. 422x1 ( sea - water temperature ) + 0. 509x2 ( photoperiod ) ; female laying diapause eggs or not : logit ( p ) = - 89. 001 + 6. 611x ( photoperiod ) the former reflected the effect of environmental conditions on the amount of diapause eggs of this species in xiamen waters, and it is important to study the population dynamics of this species in this area ; while the latter reflected the effect of envi ronmental conditions on inducing the female of this species to lay diapause eggs, and it is important to research the diapause inducers of this species in this area and the physiological mechanism of diapause

    卵是否滯育: logit ( p ) = - 41 . 832 + 1 . 422x _ 1 (海水溫度) + 0 . 509x _ 2 (日照時間) ;雌體是否產滯育卵: logit ( p ) = - 89 . 001 + 6 . 611x (日照時間) 。前者反映的是海區環境對整個廈門海區該種類滯育卵多寡的影響,對于研究本海區該種類的種群動力學有著重要意義;後者反映的是海區環境對該種類雌體產滯育卵的誘導作用,對于研究誘導該種類在本海區滯育的環境因子和生理機制具有重要意義。
  14. Base on the data collected from the field investigations, we analyzed the static life table, age structure, spatial distribution patterns of the populations of e. chloranthoides. we further studied the intraspecific competitions within the species and the interspecific competitions between the species and other concomitant species in the communities. with the helps of the logistic equation, leslie ' s matrix and the average moving law method we simulated and estimated the population dynamics of this endangered plant species

    本研究以縉雲衛矛為研究對象,通過對三個種群的野外調查,研究和分析了縉雲衛矛的種群年齡結構、種群空間分佈格局及種內和種間的競爭關系,並利用logistic方程、 leslie矩陣及移動平均法模擬和預測了三個種群的數量和結構動態,在此基礎上分析了造成縉雲衛矛瀕危的原因,提出了相應的保護措施,旨在為縉雲衛矛的保護提供理論依據。
  15. Population dynamics of cotton bollworm and the forecasting technique of the principal damaging generation in yanjiang, jiangsu province

    江蘇沿江棉區棉鈴蟲世代增殖規律及主害代預測技術
  16. Effects of elevated atmospheric co2 concentrations on population dynamics of thewheat aphid, rhopalosiphum padi

    大氣二氧化碳濃度變化對禾穀縊管蚜種群動態的影響
  17. During 2003 ~ 2004, according to investigation and statistic of the community stabilities of main arthropods in organic tea gardens in guangxi province. the result shown that the principles that the population dynamics of main arthropods in organic tea gardens gradually become stable after organic management of 6 years and need no manual control

    摘要2003 ~ 2004年,對廣西百色地區有機茶園主要益、害節肢動物群落進行調查,並對其穩定性進行了分析,試驗結果表明,隨著有機管理時間的增加,節肢動物群落逐漸趨于穩定,實施有機管理6年以上的茶園,群落的穩定性最高,群落的自我調控能力強,在生長季節不需進行人工防治。
  18. The effect of environmental factors on the population dynamics of brachionus calyciflorus

    環境因子對萼花臂尾輪蟲種群動態的影響
  19. Monitoring monochamus alternatus population dynamics with three kinds of traps

    三種誘源監測松墨天牛成蟲的比較
  20. Population dynamics and structure of wood mice apodemus sylvaticus in the set aside area around the farmland

    農田生態保留帶中小林姬鼠的種群動態和結構
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