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Zooplankton diversity and potential indicator species for assessment water quality of high altitude wetland, Dodi Tal of Garhwal Himalaya, India

Sushma Singh, Ramesh C. Sharma

Department of Environmental Sciences, Hemvati Nandan Bahughuna Garhwal University (A Central University), Srinagar, Garhwal, 246174, Uttarakhand, India

*Corresponding author: Ramesh C. Sharma (Email: drrameshcsharma@gmail.com)

Abstract: The present study deals with the zooplankton density and identification of potential bioindicator for assessing the water quality of high altitude wetland, Dodi Tal over a period of one annual cycle (November 2014-2015). A total 32 species including the potential indicator belonging to four groups were recorded from Dodi Tal during the year. Over all contribution to zooplankton diversity was made by Rotifera (62%), Cladocera (16%), Copepoda (13%), and Protozoa (9%). Maximum density (353.00±35.69 ind.l^-1) of zooplankton was recorded in summer season and minimum (24.00±2.00 ind.l^-1) in monsoon season in Dodi Tal. Water quality and health of the wetland was assessed based on Shannon Wiener diversity index, physico-chemical parameters of water and potential indicator species of zooplankton. Some of the potential indicator species were identified Brachionus caudatus, B. patulus, Cephalodella gibba and Colurella obtuse. While, Ascomorpha ovalis, Lrcane hastate, Trichocera, alona guttatta, Bosmina longirostris, Dephnia catwaba, Acanthocyclops vernalis and Arcella vulgaris were found most tolerant species among zooplankton dwelling Dodi Tal. The present investigation revealed that the density of zooplankton species depended upon the physico-chemical parameters of the lacustrine environment. This was confirmed by Karl Pearson correlation coefficient and bioplotting Canonical Correspondence Analysis (CCA) between physico-chemical parameters and the zooplankton species.

[Sushma Singh, Ramesh C. Sharma. Zooplankton diversity and potential indicator species for assessment water quality of high altitude wetland, Dodi Tal of Garhwal Himalaya, India. Academ Arena 2020;12(5):1-16]. ISSN 1553-992X (print); ISSN 2158-771X (online). http://www.sciencepub.net/academia. 1. doi:10.7537/marsaaj120520.01.

Keywords Water quality, High Altitude wetland, Zooplankton, Shannon Wiener index, Canonical Correspondence Analysis

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伽利略变换问题的直接简单证明

吴中祥

1929年10月生，湖北红安人。1952年5月武汉大学物理系毕业，任武汉大学物理系助教，1960年在第二机械工业部第九研究院理论部任助理研究员，1972年至今在中国科学院力学研究所任助理研究员、副研究员、研究员。

Abstract: 提要：按时间与参考系无关的所谓：“绝对时间”观点，经典物理学仅用3维空间矢量处理各种问题。将3维空间位置和速度矢量在不同牵引运动系的变换，直接由其各方向余弦组成的正交归一矩阵表达，就容易直接证明相应不同条件下伽利略变换问题的不同特性。因而相应不同条件下能量、动量和动量矩守恒的问题，就都容易得到直接的简单证明,就应能适用于各种具体实例。

[吴中祥. 伽利略变换问题的直接简单证明. Academ Arena 2020;12(5):17-25]. ISSN 1553-992X (print); ISSN 2158-771X (online). http://www.sciencepub.net/academia. 2. doi:10.7537/marsaaj120520.02.

Keywords: 关键词：绝对时间，伽利略变换，能量、动量和动量矩守恒

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前沿科学中心物质材料应用研究----量子人工智能大脑黑洞并行计算（1）

长江康

Recommended: 王德奎 (Wang Dekui), 绵阳日报社, 绵阳, 四川 621000, 中国, y-tx@163.com

Abstract: 摘要：联系虚拟世界改进现实世界的物质材料以适应社会发展的需要，有人推进前沿科研的同时，自然界也在对人类自身这种材料在进行改进，并且不仅是一次、两次，如2020年全球抗击蔓延的新冠肺炎疫情开辟的科学新纪元----只要“无症状感染”的病毒或细胞风暴等肉眼看不见的类似虚拟世界的存在，科技仍将是人类赖以生存的有力工具----这种看不见的类似虚拟世界的不是以意识形态划分的“全球化”，即使追踪各国蔓延的新冠肺炎疫情来龙去脉不可行，但从“1→1”和“0→1”都联系着分散“数”和“正负数对”，即使真空和“无”也不例外。“数”和“正负数对”是类似物质、材料的代号，所以前沿科学对物质材料的应用研究始终是离不开中心议题，是前沿材料人物的造就。

[长江康. 前沿科学中心物质材料应用研究----量子人工智能大脑黑洞并行计算（1）. Academ Arena 2020;12(5):26-54]. ISSN 1553-992X (print); ISSN 2158-771X (online). http://www.sciencepub.net/academia. 3. doi:10.7537/marsaaj120520.03.

Keywords: 关键词：新冠肺炎 科学新纪元 物质材料 中村修二

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对一道中学常见力学习题的进一步探讨

李学生

（山东大学物理学院 山东济南 250100）

Abstract: 摘要：利用浮力和支持力是保守力的观点，处理了几道中学生常见的力学习题，包括了2018年济南市中考物理的一道试题，纠正了错误答案．

[李学生. 对一道中学常见力学习题的进一步探讨. Academ Arena 2020;12(5):55-56]. ISSN 1553-992X (print); ISSN 2158-771X (online). http://www.sciencepub.net/academia. 4. doi:10.7537/marsaaj120520.04.

Keywords: 关键词：浮力；支持力；保守力；势能；机械能守恒

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从新冠疫情评量子物理学家瑟奇爱神学 ----四川宽窄科学研究之20

长江康

Recommended: 王德奎 (Wang Dekui), 绵阳日报社, 绵阳, 四川 621000, 中国

y-tx@163.com

Abstract: 摘要： 2020年2月19 日，上海“观察者”网转发《长江日报》发表的《她第一个公开质疑核酸检测可靠性：绝不瞻前顾后，只管大胆直言》一文，和20日转载的发表在最新一期的《科学美国人》杂志上的文章《克里斯·瑟奇：我希望科学，尤其是物理学能更多地接受宗教和信仰》。我们读后两相对比，觉得美国量子物理学家克里斯·瑟奇猛烈抨击弦理论，显然他是弦理论科学研究的落伍者。

[长江康. 从新冠疫情评量子物理学家瑟奇爱神学 ----四川宽窄科学研究之20. Academ Arena 2020;12(5):57-113]. ISSN 1553-992X (print); ISSN 2158-771X (online). http://www.sciencepub.net/academia. 5. doi:10.7537/marsaaj120520.05.

Keywords: 关键词：新冠肺炎 宗教信仰 弦理论 量子序 拓扑序

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Management and Organisation of HFC in Banking Sectors in India

Mr. Vikki

Lecturar, Department of Economics, Ram Krishan Public School, Sihma, Mohindergrah, Haryana (India)

e-mail: yadavvikki39@gmail.com

Abstract: The Corporation grants loans upto Rs. 500.00 lacs in case of private limited/ public limited companies and Rs. 200.00 lacs in case of sole proprietary/ partnership concerns. The Corporation also extends loans in joints participation with HSIDC. The existing units can avail loan to the extent of Rs. 500.00 lacs from the Corporation for expansion/ modernisation of the units and for setting up new units. 0.20% of the loan applied for is charged as processing fee by the Corporation and is deposited along with the loan application. Further, in case loan proposal has been accepted and appraisal initiated, the processing charges are not refundable. However, if the application is withdrawn after the acceptance of case but before starting the appraisal, the processing charges are refundable after retaining service tax and a minimum of Rs. 5,000/- or processing fee deposited whichever is lower. After the sanction of loan, upfront fee @ 0.50% of the loan amount is collected/ deducted before release of first installment of loan. The objective of charging upfront fee is to meet the commitment cost of funds during disbursement stage. Service tax & surcharge as applicable on the processing fee and upfront fee is borne by the borrower.

[Mr. Vikki. Management and Organisation of HFC in Banking Sectors in India. Academ Arena 2020;12(5):114-116]. ISSN 1553-992X (print); ISSN 2158-771X (online). http://www.sciencepub.net/academia. 6. doi:10.7537/marsaaj120520.06.

Keywords: Customers, Banking Secors, RBI, India.

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