Niche breadths of twenty dominant species were analyzed using Shannon-Wiener niche breadth index, and the dominant species were classified into four ecological groups.

采用Shannon-Wiener生態(tài)位寬度指數(shù)和Petraitis生態(tài)位重疊指數(shù)測(cè)定了滹沱河流域濕地植被20個(gè)優(yōu)勢(shì)種群的生態(tài)位寬度和生態(tài)位重疊。

The refractive index of metal effects mainly resonance depth and the half peak breadth. There is an optimum metal thickness with the largest resonance depth and the smallest reflection coefficient. The refractive index and thickness of dielectric layer and recording layer impact resonance angle and the half peak breadth.

金屬薄膜的折射率是影響共振半峰寬度和共振深度的主要因素欧美三级性生活视频，計(jì)算表明存在一個(gè)最佳的金屬層厚度，使得共振深度最大，反射系數(shù)最谐鲈谙呒伺；介質(zhì)層和記錄層的折射率和厚度的變化均會(huì)影響共振角的大小和共振峰半峰寬的變化国产国产成年年人免费看片。

Using the Shannon-Wiener's niche breadth index and the Pianka's niche overlaps index, we found that the Nereis japonica, nemerteans and eelworms had broad niche breadths (above 2.80); the niche overlaps among them was high (above 0.90) in the quantitative analysis on the 21 species present in the quantitative sample analysis.

對(duì)定量取樣中獲得的21個(gè)物種以Shannon-Wiener指數(shù)為基礎(chǔ)進(jìn)行了生態(tài)位寬度測(cè)定亚洲肏穴，以Pianka重疊指數(shù)為基礎(chǔ)進(jìn)行了生態(tài)位重疊值分析，結(jié)果表明日本沙蠶www.206p.com、紐蟲和線蟲的生態(tài)位較寬久操中文视频，均為2.80以上，它們之間的生態(tài)重疊值也較高久久只有这里视频，均為0.90以上国产主播第一页。

METHODS: Employing Health-Carter method, the 218 college students were measured on the indexes of biepicondylar breadth of the humerus, biepicondylar breadth of the femur, tricps skinfold, subscapular skinfold, suprailiac skinfold, medial calf skinfold, body length, body weight, upper arm girth flexed and tensed and calf girth. Every index was measured 3 times and average values were adopted, and compared to that of other regions.

采用Heath-Carter體型法對(duì)218 名在校大學(xué)生進(jìn)行肱骨內(nèi)外上髁、股骨內(nèi)外側(cè)髁間徑及肱三頭肌位女人自啪啪一级毛片、肩胛下位美女福利国产精品免费观看、髂前上棘位、腓腸肌位皮褶厚度欧美色精品视频欧美精品色，身高女人被叉视频、體質(zhì)量、臂最大收縮圍和小腿圍測(cè)量久99久人碰人。10項(xiàng)指標(biāo)均由專人負(fù)責(zé)免费一级黄色，每項(xiàng)指標(biāo)測(cè)量3次，取其平均值作為測(cè)量結(jié)果aaaaa黄色网址，并與其他地區(qū)大學(xué)生體型進(jìn)行比較人人草人人爽。

Niviventer niviventer had the highest index of the niche breadth (1.00)while Rattus nitidus, Soriculus hypsibius, Blarinella quadrticauda and Crocidura attenuata had the lowest index of the niche breadth ...

空間生態(tài)位寬度指數(shù)的季節(jié)變化表明，社鼠種群分布沒(méi)有明顯的季節(jié)差異亚洲色图在线欧美，中華姬鼠和安氏白腹鼠每年可能有一個(gè)數(shù)量高峰期国产福利在线观看免费第一福利，高山姬鼠一年則可能有兩個(gè)數(shù)量高峰。

Mostly have the round skulls, among them theircranial index are mostly hyperbrachycephal and ultrabrachycephaltype. Generally, the cranial length-height indexes of the head arehypsicephalic type, and the majority of cranial breadth-height index on 29head are apeinocrany type.

耶律羽之組男性顱骨一般具有短而寬的顱形美女黄片视频大全，顱長(zhǎng)寬指數(shù)多為特圓顱型和超圓顱型美美女一级A片视频，顱長(zhǎng)高指數(shù)顯示多為高顱型，顱寬高指數(shù)多為闊顱型的顱部特征毛片网站在线免费播放。

The population dominance index, Shannon-Wiener index, evenness, niche breadth and community similarity were used to analyze the diversity and eco-niche of soil moniliaceous hyphomycetes in five ecosystem-types.

利用種群優(yōu)勢(shì)度欧美日韩性爱AAA视频、Shannon-Wiener多樣性指數(shù)、均勻度、生態(tài)位寬度′毛毛黄片、群落相似性等指標(biāo)對(duì)該地區(qū)不同生境的土壤淡色絲孢菌物種的生態(tài)多樣性及物種生態(tài)位進(jìn)行了分析亚洲综合无码精品一区二区三区。

Result The temporal and spatial niche breadth index of mango anthracnose in control area were 0.1785 and 0.9656, resp., that in conventional area were 0.1754 and 0.7966, resp., and that in prediction area were 0.1762 and 0.8267, resp.

結(jié)果］對(duì)照區(qū)芒果炭疽病時(shí)間和空間生態(tài)位寬度指數(shù)分別為0.1785、0.965691自拍偷拍免费视；常規(guī)區(qū)芒果炭疽病的時(shí)間和空間生態(tài)位寬度指數(shù)為0.1754和0.7966国产盗摄在线精品福利；預(yù)測(cè)區(qū)芒果炭疽病的時(shí)間和空間生態(tài)位寬度指數(shù)為0.1762和0.8267。

Based on the investigation of the growth status of gardens plants with the same site conditions, the important values of populations were calculated with the software of ArcMap, the niche breadth of populations were studied using the Shannon-weinne diversity index, Levins niche breadth index and niche overlap.

通過(guò)對(duì)立地條件類型相同城市的園林綠地植物生長(zhǎng)狀況進(jìn)行調(diào)查二区免费视频，運(yùn)用ArcMap軟件計(jì)算各種群的重要值思思热国产精品视频；采用Shannon-weinne多樣性指標(biāo)、Levins生態(tài)位寬度指數(shù)和1994年黃英姿提出的生態(tài)位重疊計(jì)算公式進(jìn)行種群生態(tài)位寬度的研究www五月婷婷，將種群生態(tài)位理論運(yùn)用于生態(tài)園林建設(shè)中学生妹人人操人人干人人。

A space series substituting time series method was adapted and Levins niche breadth index and the Pianka Niche overlap index was applied to calculate the resumption of different age and population niche and niche overlap in spring-autumn grassland enclosed for different years at Zhaosu horse ranch.

采用空間序列代替時(shí)間序列的方法，運(yùn)用Levins生態(tài)位寬度指數(shù)和Pianka生態(tài)位重疊指數(shù)亚洲一区在线视频播放，對(duì)不同圍封恢復(fù)年限種群生態(tài)位及生態(tài)位重疊計(jì)算分析黄色视频在线任意观看。