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| 1 | Small mammal community succession on the beach of Dongting Lake,China after the Three Gorges Project显示文摘Although the Three Gorges Project(TGP)may have affected the population structure and distribution of plant and animal communities,few studies have analyzed the effect of this project on small mammal communities.Therefore,the present paper compares the small mammal communities inhabiting the beaches of Dongting Lake using field investigations spanning a 20-year period,both before and after the TGP was implemented.Snap traps were used throughout the census.The results indicate that the TGP caused major changes to the structure of the small mammal community at a lake downstream of the dam.First,species abundance on the beaches increased after the project commenced.The striped field mouse(Apodemus agrarius)and the Norway rat(Rattus norvegicus),which rarely inhabited the beach before the TGP,became abundant(with marked population growth)once water was impounded by the Three Gorges Reservoir.Second,dominant species concentration indices exhibited a stepwise decline,indicating that the community structure changed from a single dominant species to a more diverse species mix after TGP implementation.Third,the regulation of water discharge release by the TGP might have caused an increase in the species diversity of the animal community on the beaches.A significant difference in diversity indices was obtained before and after the TGP operation.Similarity indices also indicate a gradual increase in species numbers.Hence,a long-term project should be established to monitor the population fluctuations of the Yangtze vole(Microtus fortis),the striped field mouse and the Norway rat to safeguard against population outbreaks(similar to the Yangtze vole outbreak in 2007),which could cause crop damage to adjacent farmland,in addition to documenting the succession process of the small mammal community inhabiting the beaches of Dongting Lake. | Meiwen ZHANG Yong WANG Bo LI Cong GUO Guoxian HUANG Guo SHEN Xunjun ZHOU | 2014 | Integrative Zoology2014，9，3： | 3 |
| 2 | Experimental and numerical investigation of residual stresses around cold extrusion hole of ultrahigh strength steel显示文摘 | Chunmei Zhao Hongyan Hu Yefei Zhou Yukui Gao Xunjun Ren Qingxiang Yang | 2013 | Materials and Design2013，，： | 1 |
| 3 | 2-[2′-(6′-Methyl-benzothiazolyl)azo]-5-dimethylaminobenzoic acid as a new reagent for rapid spectrophotometric determination of copper显示文摘 | Youyu Zhu Jinhua Liu Po Liu Xunjun Zhou | 1993 | Mikrochimica Acta (-)1993，，1： | 1 |
| 4 | Assessment of non-target toxicity effects of synthetic estradiol, quinestrol, in chickens显示文摘Fertility control agents for the management of rodent populations are developing and maturing.Investigating the impacts on non-target species of consumption of these agents is essential.The present study assessed the non-target toxicity effects of quinestrol,a synthetic estrogen-based antifertility agent for managing rodent populations.Various quinestrol doses administered to male and female(n=60 each)chickens through single oral gavage were 0(A),10(B),50(C),and 150(D)mg/kg body weight.Chickens were assessed for effect on body weight,weight of vital and reproductive organs,reproductive hormones,histology of reproductive organs and egg laying rates after 15,30,and 135 days of treatment.Quinestrol did not induce mortality in chickens and its effects were time and dose dependent.The 90%egg-laying rates were delayed by 30,60 for groups B and C compared with the control group,and group D did not reach the 90%egg-laying rate by 135 days.Reproductive organs in males and females returned to normal levels within 30 and 135 days,respectively.With the exception of the FSH concentration in group D,reproductive hormones of both sexes were similar to controls by 30 days.No other significant effects were found.The present research demonstrated the safety of quinestrol on non-target species and facilitates recommendations for the general administration of quinestrol for rodent pest management. | Siyuan HE Xunjun ZHOU Yong WANG Meiwen ZHANG Kangjuan WU | 2022 | Integrative Zoology2022，17，6： | 0 |
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