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ecological response     
相关语句
  生态反应
     Physio ecological response of spring wheat root to water and nitrogen
     小麦根系对水分和氮肥的生理生态反应
短句来源
     QUALITY ECOLOGICAL RESPONSE OF SOYBEAN VARIETIES WITH DIFFERENT PROTEIN AND FAT CONTENT IN DIFFERENT LOCATION OF HEILONGJIANG PROVINDE
     不同蛋白质、脂肪含量大豆品种在黑龙江不同地点的品质生态反应
短句来源
     A preliminary study on ecological response of dominant tree species in Korean pine broadleaf forest at Changbai Mountain to soil water stress and their biomass allocation.
     长白山阔叶红松林主要树种对干旱胁迫的生态反应及生物量分配的初步研究
短句来源
     The physio ecological response of spring wheat root under different water and nigrogen conditions was studied with soil column experiment.
     利用模拟土柱研究了不同水分和氮素营养条件下春小麦根系的生理生态反应
短句来源
     The results indicate: the effect limited water supply on the roots length is remarkable than that on the biomass of root, and limited water supply can urge the summer corn to use soil moisture more, the water supply is little and the use of soil moisture is higher which reflects the physiological adaptation mechanism and drought-resistant ecological response of summer corn to drought caused by soil water deficiency.
     结果表明,有限供水对夏玉米根长的影响效应比根生物量显著,有限供水能促使夏玉米更多地利用土壤底墒,供水少,底墒利用率高,凸现出夏玉米对土壤缺水干旱的生理性适应机制和抗旱生态反应
短句来源
  生态响应
     The emphasis of the study was placed on hydrological and hydraulic characteristics,variations of spatial structure,matter structure,and energy structure,and ecological response of each transitional region.
     根据水力特征的变化,对河道型水库工程影响区域水力过渡区进行划分,重点研究各个水力过渡区内的水文水力特征、空间结构、物质结构和能量结构的变化及其生态响应.
短句来源
     To strengthen ecological management on Wutai Mountain tourism region, Shanxi, the ecological response of forest vegetation is studied from their recognition, population and community structure, bio-diversity in disturbing and non-disturbing regions.
     本文以五台山国家级风景名胜区为例,对旅游干扰区和非干扰区进行比较,分别从森林植被的生态识别、种群结构和群落结构、以及物种多样性四个方面,来研究森林植被对旅游干扰的生态响应,从而为旅游景区的生态建设和生态管理提供理论指导。
短句来源
     Intrusion of Warm Water into the Taiwan Strait during Winter Monsoon of 1998 and its Ecological Response
     1998年冬季台湾海峡的暖水入侵及其生态响应
短句来源
     Study on the Ecological Response of Forest Vegetation to Tourism Disturbance in Wutai Mountain
     五台山森林植被对旅游干扰的生态响应研究
短句来源
     Study on the Ecological Response of Hydrology on Land-Use/Forest Vegetation Change in Typical Watershed in Loess Plateau
     黄土高原典型流域土地利用/森林植被变化的水文生态响应研究
短句来源
更多       
  生态效应
     Control Effect of Soil Water and Physiological and Ecological Response of Crops under Micro-Catchment Cultivation
     微集水种植条件下土壤水分调控效果及作物的生理生态效应
短句来源
     Ecological response of phytoplankton to the operation of Daya Bay nuclear power station
     大亚湾核电站对海湾浮游植物群落的生态效应
短句来源
     The quality ecological response is mainly influenced by the different rainfall of east and west of Heilongjiang.
     这种东西变化趋势明显所表现的品质生态效应主要是东西降水差异影响的结果。
短句来源
     At present,the main tasks of the eco-hydrogeology in China are the quantitative description of the ecological situation,relation between hydrogeological conditions and ecological situation,mechanism of moisture transform at multiple interfaces and its ecological effect,impacts of climatic changes and ecological effects of various physical and chemical processes of groundwater in aquifers on groundwater and its ecological response.
     当前中国生态水文地质学研究的主要任务是生态状况的定量描述、水文地质条件与生态状况的关系、多重界面水分转换机制及其生态效应、含水层中地下水各种物理化学过程的生态效应和气候变化对地下水的影响及其生态响应等问题。
短句来源
  生态环境响应
     Based on ordinary index system of regional ecological security,taking the characteristic of regional land use into account,we compose and construct the index system of land ecological security,from three aspects as ecological pressure,ecological status and ecological response of land resources.
     依据区域生态安全评价一般性指标体系,结合镇赉县土地利用结构及特点,从土地资源生态压力、生态环境状态和生态环境响应三方面入手,建立了由19项指标组成的土地生态环境安全评价指标体系。
短句来源

 

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      ecological response
    Areas that combine low potential for ecological response with high demographic and economic costs are likely to be poor choices for restoration.
          
    The ecological response of forest ground flora and soils to experimental trampling in British urban woodlands
          
    Ecological response surface were constructed, describing the relationship between the mean % cover of each of 100 vascular plant species and two major environmental complex-gradients represented by soil drainage and altitude.
          
    An ideal ordination method would have known properties with respect to an explicit, order invariant ecological response model defined in more than one dimension.
          
    Two alternatives are suggested based on β-functions and an ecological response curve model incorporating competition between species.
          
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    It is important for the guarantee of tomato supply all the year round in markets in the middle and lower Yangtze River area. It is possible and also profitable to plant tomato in mountain area in summer and autumn by utilizing the ■ool climatic resources. The climatic-ecological responses of tomatoes at different altitudes were investigated in detail. It is concluded that tomatoes grow very well at the altitudes 600-1000 metres above sea level in summer and autumn in Tian-Mu mountain area. The optimum...

    It is important for the guarantee of tomato supply all the year round in markets in the middle and lower Yangtze River area. It is possible and also profitable to plant tomato in mountain area in summer and autumn by utilizing the ■ool climatic resources. The climatic-ecological responses of tomatoes at different altitudes were investigated in detail. It is concluded that tomatoes grow very well at the altitudes 600-1000 metres above sea level in summer and autumn in Tian-Mu mountain area. The optimum transplanting and starting harvest time were calculated from the view point of fully utilizing the climatic resources in the mountain area after three year study.

    利用亚热带山区夏秋季的温凉气候资源种植番茄,是长江中下游地区保证番茄周年供应的重要措施。本文通过三年试验和观测,探讨了天目山区不同海拔高度间夏秋番茄的气候生态差异,从充分利用气候资源角度提出了天目山区种植夏秋番茄的适宜高度为海拔600~1000米和不同高度的最佳栽培期,并研制了番茄果实初采期的推算方法。在试验基础上已大面积推广种植,获得了明显的经济效益和社会效益。

    Song Nen plain is located at the northeast of China.The south of the plain is chara- cterized by temperate semimoist continental climate.Summer is hot and rainy,but winter is cold and snowless.In the region,the meadow steppe developes and has become a zonal ve- getation type.During the 1982—1984 sampling of 286 sites was done,recording abundance- coverage,sociability (according to Braun-Blanquet) of vascular plant species,along with the soil characteristics.The correlation of vegetation and environment has been...

    Song Nen plain is located at the northeast of China.The south of the plain is chara- cterized by temperate semimoist continental climate.Summer is hot and rainy,but winter is cold and snowless.In the region,the meadow steppe developes and has become a zonal ve- getation type.During the 1982—1984 sampling of 286 sites was done,recording abundance- coverage,sociability (according to Braun-Blanquet) of vascular plant species,along with the soil characteristics.The correlation of vegetation and environment has been used to analyse ecological response of the plant species of plant communiies to enviromental conditions.The distribution and growth rate of plant species are largely determined by salt content,alkaliza- tion,and water content in the soil.The organic matter,nitrogen,and pH in the soil are secondary factors influencing the distribution of plant.It has been found that there is usually a similarity of the ecological response of many species to single or a group of above men- tioned factors.According to these similarities,life form and combination index,the main plants in the research area can be divided into ecological group of species.These ecologi- cal groups of species are essential for understanding the ecological basis of plant communities and their relation to environment.Therefore the correlation of ecological group of species, plant community and environment could be used as a basis for classifying site types.It can divide site types in the research area. The results show that the ecological groups of species not only reveal the relationship between vegetation and environment but also can be used as a basis for classification of site types and lead to practical consideration of the management of steppe in the southern Song Nen Plain.

    从环境格局入手,分析植被对环境的反应,是研究植被与环境相关性的一条途径。本文采用该途径,从生态种组入手,分析松嫩平原南部植被与环境的相关性。根据该区自然条件的特点,用生态系列表,分析植物对土壤盐碱、水分、有机质和氮素的含量以及土壤酸度的反应。依植物对上述各因素要求的相似性划分单因子生态种组,并以此为基础,综合植物对上述各因素反应的相似性,划分了11个综合因子生态种组。阐明了生态种组与植物群落及立地的关系。依据三者的关系,结合牧业生产,划分了4个立地类型。

    Regularly,it is not cold in winter in Yunnan Province,but weather had been changed from its normal ehaviour intoa very cold,microthermal and sunless climate in the winter of1982.Extreme values had been appeared istinctly for both coldwinters and winter rains.For the sake of contrast,the ecological responses for thefrozen ucalyptus were divided into five grades and four speciesof Eucalyptus which have a greatest grown area and widepreaded distribution in Yunnan Province have been recordedaccording to this...

    Regularly,it is not cold in winter in Yunnan Province,but weather had been changed from its normal ehaviour intoa very cold,microthermal and sunless climate in the winter of1982.Extreme values had been appeared istinctly for both coldwinters and winter rains.For the sake of contrast,the ecological responses for thefrozen ucalyptus were divided into five grades and four speciesof Eucalyptus which have a greatest grown area and widepreaded distribution in Yunnan Province have been recordedaccording to this criterion among which the verage rozenrades of Eacalyptus grown in Yuxi area with an elevation of1680 meters such as .maideni.E.globulus,E.robusta nd E.camaldulensis were 1.00,1.06,1.39 and 1.49 respectively.Moreover,57 species of affected Eucalyptus have een ecoredealso.In the winters of 1983,1984 to 1988,we have measuredhe anti freezing physiological indices of 61 ecies f Eu-calyptus.These indoor-measured data are generally showing nodifference with the grades of ecological esponses for the out-door frozen Eucalyptus.Based on the measured data,we havedivided the freezing resistance or 1 species of Eucalyptusinto three grades,namely,strong,moderate and weak.It can beused as a scientificai basis for he rational distribution ofEucalyptus in Yunnan Provincs.

    云南常年冬天不冷,1982年度冬,一反常态,变成冬季奇寒,低温寡照的气候。不论是冷冬和冬雨,都出现了明显的极值。为了对比方便,将桉树(Eucalyptus)受冻后的生态反映情况分为五级,并以这个标准记录了在云南面积最大,分布最广的4种桉树的受冻情况,其中直干桉(E.maideni)、蓝桉(E.globulus)、大叶桉(E.robusta)、赤桉(E.camaldulensis)在玉溪海拔1680米处的平均受冻级别分别为1.00级,1.06级,1.39级,1.49级,此外还记录了57种按树受害情况。1983、1984到1988年度冬,我们测定了61种桉树的抗冻生理指标,这些室内测定数据,与室外桉树受冻的生态反映级别是基本趋于一致的。因此,根据测定数据,我们将61种桉树的抗冻性分为强、中、弱三等,可为云南桉树的合理布局提供科学依据。

     
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