Vertical Distribution Characteristics of Pu Isotopes, 137Cs and 237Np in Sediments of Lake Xingkai and the Response to Catchment Environmental Changes

2021 ◽  
Author(s):  
Shuai Zhang ◽  
Guosheng Yang ◽  
Jian Zheng ◽  
Shaoming Pan ◽  
Liguo Cao ◽  
...  
Keyword(s):  
Vertical Distribution ◽  
Environmental Changes ◽  
Distribution Characteristics ◽  
Pu Isotopes

Vertical distribution characteristics of aerosol particles over the Guanzhong Plain

2021 ◽  
Vol 255 ◽  
pp. 118444
Author(s):  
Yuanping He ◽  
Xinqi Xu ◽  
Zhaolin Gu ◽  
Xinhao Chen ◽  
Yuman Li ◽  
...  
Keyword(s):  
Vertical Distribution ◽  
Aerosol Particles ◽  
Distribution Characteristics

Aerosol Vertical Distribution Characteristics in Northwest China

2017 ◽  
Vol 37 (3) ◽  
pp. 0301001
Author(s):  
秦武斌 Qin Wubin ◽  
李学彬 Li Xuebin ◽  
鲁先洋 Lu Xianyang ◽  
陈小威 Chen Xiaowei ◽  
崔生成 Cui Shengcheng ◽  
...  
Keyword(s):  
Vertical Distribution ◽  
Northwest China ◽  
Distribution Characteristics

The Spatial Dispersion of Spiders in a Cotton Ecosystem.

1981 ◽  
Vol 29 (1) ◽  
pp. 15 ◽  
Author(s):  
AL Bishop
Keyword(s):  
Vertical Distribution ◽  
Spatial Dispersion ◽  
Cotton Field ◽  
Distribution Characteristics ◽  
Sequential Decision ◽  
Crop Canopy ◽  
Spider Species ◽  
Cotton Pests ◽  
The Mean ◽  
Western Side

In a cotton field in south-eastern Queensland, the spider species Cheiracanthium mordax L. Koch (diversum L. Koch), Archaearanea veruculata (Urquhart) and Lycosa sp. were equally distributed in the outer, middle and inner portions. However, A. veruculata was more abundant in the western side of the field late in the season, apparently in response to a more favourable habitat. In sampling, the variance was greater than the mean and overdispersion was apparent. C. mordax and A. veruculata were most abundant in the top one-third of plants, and Oxyopes mundulus L. Koch was evenly distributed over plants. The consistency with which these spiders were recorded in levels of vertical strata was enhanced by the formation of the crop canopy, and the eventual vertical distribution of C. mordax was apparently influenced by rainfall. Among crop spacings, most spiders of 4 species preferred the highest density (12 plants/m). The ecological consequences of the distribution characteristics are discussed in relation to current sequential decision plans for the management of cotton pests and beneficial species in the region.

Distribution characteristics of 137Cs, Pu isotopes and 241Am in soil in Korea

2013 ◽  
Vol 81 ◽  
pp. 315-320 ◽  
Author(s):  
S.H. Lee ◽  
J.S. Oh ◽  
J.M Lee ◽  
K.B. Lee ◽  
T.S. Park ◽  
...  
Keyword(s):  
Distribution Characteristics ◽  
Pu Isotopes
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