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Questions related from Shankhadeep Chakraborty
Black-footed ferret (Mustela nigripes), a North American species presumed extinct in 1979 until it was rediscovered in 1981. Same thing happened to the Bermuda petrel, peccary, venomous Cuban...
15 June 2022 4,233 11 View
If you have worked or are working on this area please attach reference papers.
02 June 2018 3,380 4 View
Bacteria (both aerobic and anaerobic) are observed to constitute a bio-filter. Is there any associated communities helping bacteria?
31 July 2016 6,244 7 View
Genes are controlling factor of various physiological responses as we all know. Is there any model or general procedure behind determination of particular gene responsible for bioremediation? Have...
27 June 2016 7,627 6 View
What is the significance of this index? Add reference paper if possible.
24 April 2016 8,096 21 View
Marine snow is a shower of organic material falling from upper waters to the deep ocean. NOAA scientists and others have measured the amount of usable material in marine snow and found that there...
19 April 2016 1,183 4 View
What are the effects of different physico-chemical parameters on transfer factor of heavy metals? Please add references if possible.
08 December 2015 1,948 5 View
Young sequoias are able to grow successfully only in mineral soils in full sunlight, free from competing vegetation.
27 June 2015 6,519 9 View
Please attach references in support of answers. Personal message will be appreciated.
03 June 2015 6,669 4 View
These two factors are often been enumerated for heavy metals in water and sediment.
06 April 2015 1,495 7 View
Metallothionein is one of such enzyme.
31 March 2015 4,246 4 View
I need the statistics. If possible add links of scientific papers.
09 March 2015 8,059 2 View
Astaxanthin, a potent anti-oxidant, is already been extracted from mangroves. Add more information related to the question.
24 January 2015 6,697 5 View
Diversity indicates the condition of an ecosystem.
06 January 2015 1,018 35 View
Mangrove ecosystem is one of the important richer biodiversity zone in the world. I am adding two- the Royal Bengal tiger and the cobra. Add more as per your knowledge.
27 December 2014 193 5 View
Increase of salinity due to decrease of freshwater input may be one reason. Give more reasons. Attach your papers on it if possible.
26 December 2014 3,485 2 View
Some recent findings suggested useful findings on the topic. Silent genes are said to be a potent tool for bio-technology. Please attach papers on this research topic if possible.
20 December 2014 7,782 2 View
Many marine molluscs are already included in the group of bioindicator organisms. Attach good references if possible.
10 December 2014 9,716 17 View
Concentration index and transfer index for heavy metals are two important parameters.
06 December 2014 6,603 5 View
The certified level for zinc in nearshore seawater is 1.97 ± o.12 µg/L.
02 December 2014 9,762 3 View
Turbid water generally affect the biodiversity badly.
01 December 2014 7,183 10 View
Atomic Absorption Spectrophotometry is a reliable method. But is there any other more reliable method?
25 November 2014 2,847 14 View
Bacillus thuringiensis is a bacteria that is used in genetic, agricultural and ecological purposes. I need the name of any other bacteria that has also multipurpose roles in the environment.
25 November 2014 6,418 4 View
Water and sediment pH plays a big role on the bio-concentration factor. I need more information about other factors.
22 November 2014 6,132 3 View
Mesembryanthemum crystallinum is a prostrate succulent plant native to Africa, Sinai and southern Europe, and naturalized in North America, South America and Australia. I need the detailed...
19 November 2014 7,656 3 View
For different organisms, the permissible ranges of heavy metals are different. I need the ranges of the mentioned heavy metals as I am working on mangroves and associates.
07 November 2014 3,414 6 View
Great symbiotic association was found by investigators between rhizosphere of mangroves and microbial community in past few decades. But do the microbial community help in the process of...
03 October 2014 2,004 7 View
Due to rapid pace of industrialization and urbanization, the estuarine water and sediment are getting polluted day by day. As a result, the pollutants are also getting accumulated into the tissues...
21 September 2014 8,327 20 View
