quadrats造句
例句与造句
- the results of twinspan indicated that the communities were classified into 10 associations, and the quadrats classification indicated two environmental gradients which were light intensity and soil humidity
twinspan将翅果油树群落划分为10个群丛，分类矩阵图明显反映出光照强度和土壤湿度两个环境梯度。 - 68 quadrats were divided into 8 types of communities by twinspan, which can be treated as one-dimension resource states . the niche breadths and overlaps of main dominant species were measured using a series of indices proposed by levins, shannon-wiener and petraitis
在该地区植被的优势种生态位的研究方面，仍然运用twinspan把样方分为8个群落类型，用levins、shannon-wiener生态位宽度公式和petraitis生态位特定重叠指数公式测定群落中主要种群生态位宽度和生态位重叠，并分析各种群生态位的生态学意义。 - the study investigated aboveground growths of caragana korshinskii and artemisia ordosica planted in four modes, revealing that in different planting modes their densities, heights and canopy width and biomasses remained unchanged or tended to decrease slightly; the young shoots of a . ordosica annually grew in a s-shaped cure and the young shoots of c . korshinskii grew fast in spring and grew slowly or cease to grow from july on; the biomasses and leaf area indexes of c . korshinskii and a . ordosica annually varied in a double peak curve and there were 8 annual plants that invaded in the four planting modes and formed higher coverage; the quadrat with only a . ordoska appeared to have obviously lower coverage and biomass that the other three quadrats
摘要对腾格里沙漠东南缘2种人工植被柠条和油篙在4种配置方式下地上部分的生长动态进行了研究，结果表明：不同配置方式下它们的密度、高度、冠幅和生物量基本不变或略微呈下降趋势；油篙新梢的年生长动态呈s型曲线，柠条新梢春季生长速度较快，7月份以后生长速度缓慢或基本停止生长；柠条、油篙地上生物量和叶面积指数的年变化均表现为双峰型，4种配置方式下共有8种1年生植物人侵，并具有较高的植被盖度；同其它3个样地相比，纯油篙样地1年生植物的密度、盖度和生物量明显偏低。 - the species, heights, diameter breast heights, canopy widths and plant numbers in 38 quadrats of 6 belt transects, which were located in yingsu cross-section and kaerdayi cross-section lying in the lower reaches of tarim river where populus euphratica concentrated, were investigated to study the distribution patterns, aggregation intensities and distribution pattern scales of p . euphratica populations at different distances away from the river
摘要在塔里木河下游胡杨分布集中的英苏、喀尔达依断面，设置了6条样带38块样地进行植被种类、高度、胸径、冠幅、株数等因子调查，研究了不同离河距离胡杨格局分布类型、聚集强度及其格局规模。 - It's difficult to find quadrats in a sentence. 用quadrats造句挺难的
