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干扰状况
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  disturbance regimes
     Disturbance Regimes and the Characteristics of Gaps in Maolan Karst Forest, Guizhou Province
     茂兰喀斯特森林干扰状况与林隙特征
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  disturbance regime
     Gap Characteristics and Disturbance Regime in a Dark Coniferous Forest in Changbai Mountain Areas
     长白山暗针叶林林隙一般特征及干扰状况
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     The general characteristics and disturbance regime in artificial Pinus massoniana forest in Pengzhou were studied.
     本文对彭州人工马尾松(Pinus massoniana)林林隙的一般特征和干扰状况进行了初步研究.
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     Gap characteristics and disturbance regime in a dark coniferous forest in Changbai mountain areas were studied.
     对长白山暗针叶林林隙一般特征和干扰状况进行了研究。
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     1. Gap characteristic and disturbance regime in the Betula albo-sinensis forest in Taibai mountain areas were studied, including the quantity, type and causal factors of gaps and the type, number, species composition and size structure of gap makers (GM).
     1.从林隙干扰尺度对太白山红桦林林隙的一般特征和干扰状况进行了初步研究,分析了植被中林隙的数量、类型及成因,并对林隙形成木的类型、数量、物种构成和径级结构做了分析。
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     The results show that the forest landscape will reach a relative stable state in 2024 under the present management policy and disturbance regime;
     结果表明该地区森林景现在现有经营方针和干扰状况下 ,将在 2 0 2 4年左右达到一个稳定状态。
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  disturbance status
     Characteristics and disturbance status of gaps in subalpine fir forest in Southeast Tibet.
     藏东南亚高山冷杉林林隙特征与干扰状况研究
短句来源
     Characteristics and disturbance status of gaps,including gap size,disturbance frequency, forming patterns of gaps, and quantity of the tree in gap, in subalpine fir forest in Southeast Tibet were studied.
     从林隙的大小结构、干扰频率、形成方式及林隙内形成木的数量特征等几个方面 ,对藏东南色季拉山亚高山冷杉林的典型群落类型———藓类冷杉林的林隙干扰状况进行了分析 .
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     The characteristics and disturbance status of gaps in pure and mixed Tsuga longibracteata forests, including gap size, gap formation and the numbers of gap makers were studied.
     从林隙的大小结构、形成方式及形成木的数量特征等几个方面 ,对长苞铁杉纯林及混交林林隙干扰状况进行了对比研究 .
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  “干扰状况”译为未确定词的双语例句
     The molar absorptivity measured at this wavelength ε=1.41×105 L·cm -1·mol -1, the maximum binding number is n=32, and the detection limit is c=8.04×10 -8mol·L -1. The basic reaction condition of best pH value, time, and temperature, and the interference of different materials on the system were also studied.
     在此波长下测得配合物的表观摩尔吸光系数ε=1.41×105L·cm-1·mol-1,最大结合数n=32,最低检出限为c=8.04×10-8mol·L-1等。 研究了体系的酸度、温度、时间等基本反应条件,以及不同类型物质对反应体系的干扰状况
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     Based on forest type map (1:25000), digitized terrain map (1:50000) and forest resourcesinventory data of 1997, combining vegetation, disturbance and genesis features, 20 landscapetypes were divided in Fenglin Natural Reserve, Heilongjiang Province.
     本文以丰林自然保护区1:25000的林相图、数字化的1:50000的地形图和1997年森林经理普查数据为基础,结合斑块起源、植被及受干扰状况,划分了20种景观类型。
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     A Study of Fire Disturbance in the Songnen Grassland
     松嫩草原火干扰状况研究
短句来源
     Thus, the greatest challenge to the ecologists is to probe the adaptive mechanism of vegetation to disturbance and prediction of the global vegetation dynamics.
     对植物干扰适应机制的高度的理论概括和对干扰状况下全球植被动态进行预测是目前研究干扰的生态作用的生态学家面临的最大挑战
短句来源
     Based on 4 terrain map(1: 10000), 4 aerial photographs of 0.6 meters resolution through orthprojection rectity and inventory data,combining vegetation ,disturbance and genesis features,3 spatial types were divided in Shenzhen Fairy Lake Botanical Garden, Guangdong Province.
     本文以深圳市仙湖植物园所在区域的4幅1:10000的地形图,4幅经正射投影纠正的0.6米分辨率的航片图,及本底调查数据为基础,结合斑块起源、植被及干扰状况划分了三大空间类型。
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  disturbance regimes
These disturbance regimes were also imposed on buckets of sediment (855?cm2) collected from the field study site and maintained within a mesocosm system.
      
Substrate composition and corallimorpharian growth were examined on three reefs in Tanzania under different disturbance regimes using the line-intercept transect and point techniques.
      
These areas were selected to include a range of disturbance regimes and contrasting faunal assemblages associated with different temperature regimes.
      
Fouling communities grown on artificial settlement substrata experienced disturbance regimes that differed in their inherent levels of temporal variability and timing of disturbance events, while disturbance intensity was identical across all levels.
      
Patterns of plant species diversity during succession under different disturbance regimes
      
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  disturbance regime
Relictness of the species was discussed in relation to the specific site conditions (light supply, disturbance regime, and geographical isolation) and to the occurrence of other rare taxa and habitats.
      
We conclude that the spatial arrangement of clones in seagrasses allows inferences about the past demography and the disturbance regime at a given site which may prove useful for coastal zone management of ecologically valuable seagrass meadows.
      
The disturbance effectively reduced the average total cover of the assemblages, but no consistent effect of variability in the disturbance regime on the assemblages was detected.
      
Our model revealed that the reason for this is the non-linear dependence of the dispersal distance on the disturbance regime and on species longevity.
      
The ecological effects of the disturbance regime are likely to include depth zonation of benthic assemblages, patchiness of communities at varying stages of recovery and the near denudation of sessile fauna in the shallow subtidal.
      
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  disturbance status
These observations provide an aid to interpretation of the ABC plots, especially in some situations where they have been deemed to give a false impression of the disturbance status of a community.
      
No consistent relationship was found between the disturbance status of macrobenthic communities within disposal sites and the nature or amount of dredgings disposed.
      
Linking the model with forest inventoryinformation on age-class structure provided auseful step toward incorporating realisticpatterns of forest disturbance status acrossthe landscape.
      
Each watershed is thus assigned a pair of ranks indicating its vulnerability status and its disturbance status.
      
Using WinCC exible, you can log alarms and document operating and disturbance status conditions of the industrial plant.
      


From the view of disturbance ecology,this paper studied the species group age structure of Larix gmelini population in the north Daxinganling Moun- tains and its relation to natural disturbance factors, such as forest fire, wind- fall etc. Following results were obtained: The species group age structure of Larix gmelini population consists of one or more discrete age waves and can be derided into three groups: One-genera- tion, two-generation and multi-generation, moreover eleven types according to the structure...

From the view of disturbance ecology,this paper studied the species group age structure of Larix gmelini population in the north Daxinganling Moun- tains and its relation to natural disturbance factors, such as forest fire, wind- fall etc. Following results were obtained: The species group age structure of Larix gmelini population consists of one or more discrete age waves and can be derided into three groups: One-genera- tion, two-generation and multi-generation, moreover eleven types according to the structure state. Natural disturbances have an important effect on the age structure. Forest fire almost affacts all age waves, and windfall and windbre- akage are also proved to be important to the late generations. Generally, the weak fire with high frequency favors to form two or multi-generation, the strong fire with low frequency favors one-generation. The major reason for the coexistence of many types of age structure is ascribed to the differences in natural disturbance regime in each region. Age waves, being basic unit of age stru- cture, evidently show β distribution feature with the shapes of right deviation, left deviation, progressive decrease and increase distribution. The shape of age waves is related to the environment of species group, which reflects the regen- eration processes comprehansively.

研究结果表明,该种群的年龄结构由一至数个相间隔的年龄波组成。据此,可将该种群的年龄结构划分为一代型、两代型和多代型三大类,进一步又可按世代(年龄波)的构成状态细分为11种类型。自然干扰因素对年龄结构具有重要影响。绝大多数年龄波的出现都与森林火有关。风倒、风折亦有影响,但其作用只能从新近发生的幼小一代中看出。高频、低强度的森林火利于形成两或多代型的年龄结构;而低频、高强度的森林火则利于形成一代型的年龄结构。不同地段自然干扰状况的差异是造成多种年龄结构类型共存的主要原因。年龄波,做为年龄结构的基本构成单元,具有明显的β分布特点。年龄波的形状大致可分为右偏、左偏、递减分布和递增分布四种类型。不同形状的年龄波与种群环境有关,是种群更新过程的综合反映。

he paper deals with the spatial patterns of Larix gmelini population in different agestructures. The results show that Larix gmelini presents apparent aggregated colonies whichcan be reflected in a diagram of relationship of mean variance-block size and orientationmaps of trees. Different generations distribute in mosaic state which , to a great extent ,resultsfrom disturbance regime.

本文采用格局分析、相关分析的方法,结合样地立木定位图研究了不同年龄结构类型的兴安落叶松种群的空间格局。结果表明,该种群具有明显的聚集分布特点。在格局分析图上,中年世代有2-3个均方峰,峰值多位于区组大小为8m ̄2和32m ̄2处;成年世代仅具一个均方峰,峰值多位于区组大小为16m ̄2和32m ̄2处;老年世代均方峰不明显或仅在区组大小为128m ̄2处有一个均方峰。不同世代在空间上也呈现明显的镶嵌特点。这种聚集、镶嵌特点在很大程度上取决于干扰状况

The disturbance theory of ecology and its study advance were briefly introduced and the concepts of dusturbance,disturbance regime,patch,patch dynamics were discussed.Based on the researches and knowledge we have obtained,we suggest a general definition of disturbance as follows:disturbance is the events that break the ecological process of the original biological system,it changes or destroys the composition and structure of the ecosystem,community or population,and changes the resource basis and environmental...

The disturbance theory of ecology and its study advance were briefly introduced and the concepts of dusturbance,disturbance regime,patch,patch dynamics were discussed.Based on the researches and knowledge we have obtained,we suggest a general definition of disturbance as follows:disturbance is the events that break the ecological process of the original biological system,it changes or destroys the composition and structure of the ecosystem,community or population,and changes the resource basis and environmental state of the biological system.

探讨了干扰、干扰状况、缀块及缀块动态等相关概念,并在已有的研究和认识基础上,给出了干扰的一般性定义,即干扰是阻断原有生物系统生态过程的非连续性事件,它改变或破坏生态系统、群落或种群的组成和结构,改变生物系统的资源基础和环境状况.

 
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