物候

wù hòu
  • phenology
物候物候
物候 [wù hòu]
  • [phenology;natural phenomena that recur periodically] 生物的生命活动和非生物的变化对节候的反应,如植物开花、结果;动物蛰眠、迁徙以及始霜、解冻等

  1. 用RAPD标记检测与杨树生长和物候期有关的QTLs

    Detection of QTLs for Growth and Phenology Traits of Poplar Using RAPD Markers

  2. 桃(prunuspersica)种质资源物候期性状遗传多样性的评价指标探讨

    The Evaluating Criteria of Some Fruit Phenology Character of Peach ( Prunus Persica ) Genetic Resources

  3. 基于MODISNDVI数据的东北森林物候期监测

    Monitoring Forest Phenophases of Northeast China based on MODIS NDVI Data

  4. 基于NDVI数据的华北地区耕地物候空间格局

    Monitoring Spatial Patterns of Cropland Phenology in North China Based on NOAA NDVI Data

  5. 历经3a时间,在3个试验点,从魔芋的物候观测、栽培方法,质量、产量分析等方面对魔芋南种北移技术进行了研究。

    In 3 experimental plots were conducted phonological observation and introduction study .

  6. 海拔差异超过500m的亚种群,传粉物候期就不会出现重叠。

    Phenological periods did not overlap with differences between subpopulations of greater than 500 m.

  7. 不同物候期对孢子密度的变化也产生极显著的影响(P0.001)。

    Seasonal changes had a significant effect on the spore density ( P0.001 ) .

  8. CO2排放白天大于夜晚。不同物候期CO2释放速率不同,其顺序为草盛期>枯黄期>返青期。

    Rate of CO 2 emission was different with changing of the phonological periods , and the pattern was observed in order of Exuberance > Withering > Green up .

  9. 在此基础上,对其中11种C3、C4优势牧草的地理分布、物候谱及其相对优势度与土壤pH值和含盐量之间的关系进行了研究。

    On the basis of C_3 or C_4 plants identified , 11 dominant species were selected to study their geographical distribution , phenological spectrum and relationship between their relative dominance and soil pH value or salt content .

  10. 分别利用Logistic方程和高斯方程对作物生长期内植被指数曲线进行模拟,并采用最大曲率法、动态阈值法提取作物关键物候期。

    Modeling the vegetation index curve respectively using a series of piecewise Logistic and Gaussian functions of time and extracting the key crop phenological phase through the methods of maximum curvature and dynamic threshold .

  11. UV-B辐射影响植物物候、形态和次生代谢,从而改变生态系统的物种结构、竞争性平衡、食物链、植物病原体、物质循环、真菌移殖与叶片分解。

    UV-B radiation affects plant phenology , morphological characteristics and secondary metabolism , and lead to changes in species structure , competitive balance , food webs , plant pathogens , matter cycling , fungal colonization and leaf decomposition .

  12. 根据研究区沼泽湿地与其它地物类型物候特征的差异,利用光谱角制图方法(SAM)获取了研究区2009年沼泽湿地的分布数据。

    The Spectral angle mapper ( SAM ) was used to extract marsh wetland of the study area according to the different phenological characters between marsh wetland and other surface features .

  13. 结合了NDVI时序分析和物候特征的面向对象分类方法可以有效区分作物类型。

    The method of integrating the object-oriented classification method with NDVI time series data and crop phenological information can be used to differentiate varieties of crops .

  14. EVI的这些优势为高覆盖植被物候特征的季节性变化监测提供了新的思路。

    All these advantages of EVI provide a new paradigm for seasonal variation monitoring of vegetation phonological characteristics in high vegetation areas .

  15. 结果表明,CO2浓度增加促进了玉米的生长和发育,物候期提前,光合速率增大,蒸腾系数减少,加快了根、茎、叶等干物质积累,提高了生物产量和经济产量。

    The experiments show that increasing CO2 concentration can promote growth and development of maize , shorten phenophase , enhance photosynthetic rate , decrease evaporation rate , step up biomass accumulation of roots , stems and leaves , and increase biolgical and economic yields .

  16. 阐述了昆虫物候分析的SSPM模型(singlesinephonologicalmodel)计算方程和过程,该模型采用Sine函数拟合每天温度变化,并利用积分,获取每天有效积温和一定时间内日度累积值。

    The paper details the calculation method of single sine phonological model ( SSPM ) in insect phenology , in which the daily temperature is curved by sine function . Accumulations and daily degree-days are acquired by integral equation methods .

  17. 根据连续2a的11个品种的2~3a实生美国黑核桃生长量的观测结果,分析认为:试验范围内,黑核桃实生幼苗物候期因品种不同而不同。

    The results of continuous 2 years growth volume survey of 11 varieties Juglans nigra seedling , which are 2 to 3 years , show that seedling phonological periods are different because of different varieties .

  18. 在间作系统透光性上,不同株行距叶面积指数(LAI)均表现为随杏物候期(花期到果实成熟期)的推移呈上升的趋势,到果实成熟期后略有下降。

    Transmittance in the intercropping system , different spacing of leaf area index ( LAI ) are expressed as with the apricot phenology ( flowering to fruit maturity ) goes upward trend , to fruit maturity , decreased slightly .

  19. 结合Walter生态气候图解,本文论述了各区内的气候特点,毛竹林资源概况,毛竹生长情况、主要物候期以及发展竹林生产应注意克服的气候障碍。

    Combined with Walter ecological climatic diagram , the climatic feature , outline of the bamboo resources and growth habit , principal phenology as well as the climatic obstacles to bamboo growth in each of the zones are discussed respectively .

  20. 结果表明,1/86、2/86的物候期比CK较为滞后,所以我们很难确定1/86、2/86能否抵御秋冬季节的寒冷。

    The result show that the phonological period of 1 / 86 and 2 / 86 are latter than CK 's , so we can not ensure 1 / 86 and 2 / 86 could resist the cold or not in autumn in the zone .

  21. 采用VBA程序,计算各物候期平均值,简要分析木本、草本、动物物候期分布规律,并选取具有代表性的木本植物垂柳和桂花做物候分布规律分析。

    I calculated the average of each phenological phase with VBA program . Then I analysed phenology distribution regularities of woody , herbaceous and animal , and selected the representative woody plant of willow and sweet osmanthus tree to analyse phenology distribution .

  22. 利用MODISNDVI和EVI数据作为遥感参数,利用非线性方程模拟,提取作物关键物候期信息,并将物候遥感监测指标与地面观测指标进行对比分析,确定两者匹配关系。

    With MODIS NDVI and EVI as parameters , together with non-linear formulation , the key crop phenological phases can be extracted and the remote sensing phenological monitoring index is contrasted with the land observation index to determine the matching relationship .

  23. 未来随着生理和分子水平上,对控制物候和LAI动态过程机理的揭示,建立基于过程的物候参数化方案和LAI动态模拟模型就成为生态系统模型或气候模型的发展方向。

    In the future , while the mechanisms of processes controlling leaf phenology are clarified with progress being made at the physiological and molecular level , ecosystem models have to set up process-based model of leaf phenology and LAI to promote the robust of simulation results .

  24. 为掌握石林景区主要乡土植物物候节律,选择25科35种乡土植物,对其物候特征与同期主要气象因子进行了2a平行观测。

    The phenology of 35 indigenous plants of 25 families and the relationship between the penological rhythms of the plants and climatic factors in the corresponding period were studied for two years ( 2003 ~ 2004 ) at the Stone Forest Scenic Spot in Yunnan .

  25. 结果表明:(1)阿月浑子从萌动到休眠约200d左右,Kerman和Peters物候期较一致,但花期有不一致的现象。

    The results shows as follow : ( 1 ) The phenophase of Pistachio is probably 200d , the phenophase of Kerman is consistent with Peters , but they have different florescence .

  26. 然后,在提取出冬小麦的基础上,根据当地作物物候特征和种植模式,利用相关掩膜识别出夏玉米,最后,根据两个时相NDVI值变化情况识别出棉花。

    Then , on the basis of winter wheat recognition result , correlation mask method was used to extract summer maize according to the crop phenology and planting pattern in the local area , at last , cotton was extracted based on the change of NDVI in the two phase .

  27. 在为期150d的连续放牧过程中,分别对不同处理区草地土壤水分以及草地主要牧草的物候期和生活力进行观察研究,结果发现:①放牧强度对草地牧草物候期没有显著影响;

    The phenophase , viability of pasturage and soil water contents were measured in the trial grassland . As a result it was found that ① there was not significant effect of grazing intensity on the phenophase of pasturage ;

  28. 北京春季的树木物候与气象因子的统计学分析

    Statistic analysis on the Phenophase of trees in spring of Beijing

  29. 浅谈木本植物物候观测要求及各物候期观测标准

    Discussion on the request and standard of Woody plant phenological observation

  30. 民勤荒漠区植物物候对气候变暖的响应

    Responses of plant phenology to climate warming in Minqin desert area