随着尺度的增大，种群分布格局的间隙度逐渐减小。
With the increase of spatial scale, the lacunarity indices of the seedling populations were decreased.
对东昌湖轮虫群落结构、种群分布和丰度进行了初步研究。
The community structure and population distribution of rotifera in Dongchang Lake was studied.
种群分布格局总体上呈聚集型，随年龄增加聚集强度增加。
The population pattern was of clustered distribution, with the aggregating intensity increased with age.
采用何种方法进行种群分布格局的分析研究一直是一个争论性问题。
Following conclusions were obtained from comparison of various methods used in spruce population spatial distribution pattern on sandy sites.
种群分布格局和种间空间关联性研究有助于深入理解物种共存机制。
Exploring tree population distribution patterns and interspecific spatial associations are helpful in elucidating the mechanisms underlying species coexistence in forest communities.
目的了解广州市城区蚊虫自然种群幼虫的孳生地类型及种群分布特点。
Objective to find out the types of the breeding places of the mosquito larvae and the distribution characteristics of the natural mosquito population in urban area of Guangzhou.
从斑块信息的角度分析了四川冶勒的红豆杉种群分布格局与坡度的关系。
The distribution pattern of Taxus chinensis distributed in Yele, Sichuan Province is closely related to the slope patches of their habitation.
大盘山可能是七子花最大种群分布点，因此，在这里应该建立一个保护区。
A reserve should be set because Dapan Mountain may be the largest population of H. miconioides.
介绍了鸢尾科植物的种群分布，各个品种的生长特征，观赏特性以及它们在园林绿化、水土保持中的应用。
It introduces the distribution of iridaceous plants, the growing feature of every variety, and the seeing and enjoying specific.
按林型分类，草类—落叶松林种群分布格局中，均匀分布和随机分布所占比例均11%，聚集分布占78%。
According to the forest type to classify, both of clustered and regular distribution are 11% in the commurity distribution pattern of herbage—Larix forest, the random distribution is 78%.
研究了生物渗滤床处理生活污水稳定运行时介质表面的生物膜形态和微生物种群分布特征，分析了生物膜及微生物种群的空间变化规律。
When the biological filter bed is stably treating with domestic wastewater, shapes of biofilm and distributing characters of microorganism species on the external of medium were studied.
对当前堆肥中微生物种群分布及其对有机物分解作用的研究进行分析，论述了分子生物技术中的变性梯度凝胶电泳（DGGE）的特点。
Studies on the distribution of microbe and their degradation of organic material in compost are presented, and the character of denaturing gradient gel electrophoresis (DGGE) method is also discussed.
对人类种群起源和分布的研究曾是基于考古和化石证据。
Study of the origins and distribution of human populations used to be based on archaeological and fossil evidence.
谁不想加入名为“松鼠计划”(为松鼠观测募捐)或者“寻找丢失的瓢虫”(了解瓢虫种群的分布)的行动呢？
Who wouldn't want to join a mission called "Project squirrel" - inviting you to contribute squirrel observations, or "The Lost ladybug Project" - to understand ladybug species distribution.
研究人员发现了大约1000个种群，而且从个体到个体间分布一致；原来人们的鼻子里、背上都住的房客都大同小异。
The researchers found about 1000 species total, which were fairly consistent from person to person; it turns out we all have similar tenants in our noses and on our backs.
它们的数量仍然巨大，而且它们的超级种群在一个地区仍然分布广泛。
Their numbers are too large, and their supercolony spans too broad of an area.
有些地方动物种群是水平分布的，比如在索尔兹伯里平原，这块冰碛沉积三角洲密集分布着王企鹅、软毛海豹、象海豹和黑背海鸥。
Sometimes the animal multitudes are horizontal, as on Salisbury Plain, a glacial outwash delta densely colonized by king penguins, fur and elephant seals, and kelp gulls.
这个种群被认为是呈垂直地带分布的，也就是说，它们的分布和山区环境相关，但不限于此。
it is found associated to, but not restricted to, mountain environments.It is possible that they migrate altitudinally with season.
本研究采用计盒维数刻画了延龄草不同生境下的种群空间分布格局。
This study depicts the population space distribution under different living circumstances using Box counting dimension.
本研究利用生物监测方法，探明了京杭运河徐州段大型底栖无脊椎动物的生物种群及其分布。
The biolocial population and distribution of benthic macro-invertebrates in Xuzhou region of Jinghang Great Canal have been ascertained bybioassay method.
讨论了一类具终端观测且与年龄相关的非线性时变种群扩散系统的最优分布控制问题。
In this paper, the optimal distributed control problems for a class of age-dependent non-linear population diffusion system with final state observation are studied.
我们利用三阶抽样法，查清了东北地区猞猁种群的分布及数量情况。
The distribution and quantity of Felis lynx population in the northeast have been found out by the three-stage sampling method.
对福建省建阳市书坊乡贵溪村的天然檫树种群结构和空间分布格局进行研究。
The population structure and spatial distribution patten of Sassafras tzumu have been studied in this paper.
分株种群集聚分布格局的规模、强度和纹理在水平空间上与放牧强度的变化表现出一致性的关系。
There were identical changes between seale, intensity, grain of ramet population distribution pattern and the stocking intensity in horizontal space.
讨论了一类时变种群扩散系统的最优分布控制问题，利用J。
This paper discusses the optimal distributed control problem for time-varying population system with spatial diffusion. By J.
根据直播稻区稻水象甲种群动态和分布特点，提出了相应的虫情调查和测报防治建议。
Some Suggestions for the pest forecast and control were also brought forward based on the characteristics of the pest population dynamics and distribution in the direct seeded rice field.
地理信息系统的应用，不但提高了格局分析的效率，也可以直观地反映种群的分布格局。
The results indicate GIS can not only improve the efficiency of pattern analysis but also visually display the distribution pattern.
分析了梭梭种群的径级结构、高度结构、密度和空间分布格局变化等。
The diameter structure, the height structure, the density and the distribution pattern were worked out.
比较了不同方法对厦门海区潮间带游动放线菌的分离效果和分析游动放线菌在不同材料中的种群数量分布。
The isolation methods for the actinoplanetes are compared and the ecological distribution of the actinoplanetes in the intertidal zone of Xiamen sea area is studied.
目的掌握苏州市城区室内蜚蠊种群及其分布，为城市蜚蠊防制提供依据。
Objective to investigate the populations and the distribution of the indoor cockroaches in Suzhou urban districts, and to offer the data for controlling these pest insects.
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