P. R. Jayachandran

41 Questions 126 Answers 0 Followers

Questions related from P. R. Jayachandran

What is the best method can be used for coastal aquatic pollution monitoring (in situ)?

What is the best method can be used for monitoring the coastal waters? What are the recent trends and method?

04 November 2018 5,494 6 View

What are the criteria for selecting variables for PCA analysis in Primer 6? how to screen variables?

How can I select variables for PCA analysis from huge set of environmental data?

22 January 2017 936 9 View

Can anybody expliain Effects of Tidal Mixing on the Benthos of Estuarine Environments?

Can anybody explain possible effects of estuarine mixing on benthic distribution, especially salinity and feeding behavior? Which zone would be the benefit of high diversity?

22 January 2017 1,751 3 View

Can you give clue to identify this Platyhelminthes?

Can you give clue to this species, collected from inter tidal habitat of South west coast of India

23 November 2016 2,912 3 View

Can you suggest best sediment quality index for tropical estuaries?

Best sediment quality for tropical estuaries

22 November 2016 1,643 3 View

Identify this algae from (water periphyton) brackish?

Chlorophyceae, Algae, Periphyton, Cochin estuary

04 August 2016 4,044 22 View

Eriopisa abhilashi is valid name?

Amphipod Eriopisa abhilashi is valid name, not included in WoRMS?

01 July 2016 7,468 3 View

There is any standard chart for study feeding guild of polychaetes, macrobenthos ?

Any standard publication for feeding guild of macro benthos including polychaetes

28 June 2016 6,025 10 View

Which is the best free software available for fish behavior study?

Which is the best free software available for fish behavior study .

21 February 2016 8,184 5 View

what is the best method to track trophic transfer of heavy metals in aquatic food chain?

what is the best method to track trophic transfer of heavy metals in marine food chain?

17 September 2015 6,900 11 View

Is there any possibility to get high oxygen value as 21 mg/L in fish culture pond with Anabaena bloom?

Possibility of exceptional oxygen saturation in Cyanophyceae bloom in fish culture pond?

17 September 2015 2,682 1 View

What is the best method for estimation of molluscan bimass for macrobenthic studies ? with out or with shell weight?

with shell weight or with out shell out weight ? which is better method ?

13 September 2015 7,030 15 View

Is this specimen an egg?

Collected from an estuary

08 September 2015 9,411 14 View

Is this species the young of Pilargidae?

Pilargidae worm

08 September 2015 1,689 9 View

Can you identify this species?

Isopod family? Cirolana fluviatilis?

08 September 2015 459 9 View

Can anybody help me to identify this animal collected from estuary, south west cost of India?

Can any body help me to identify this animal collected from estuary, south west cost of India?

07 September 2015 6,196 5 View

Species of Ophiuroidea?

Can you identify young one of species of / genus? Ophiothrix? collected form estuary, south west coast of India

13 August 2015 8,790 10 View

Is this Amphibalanus improvisus? Any report from Indian ocean especially Indian Coast?

Can you help me to identify this barnacle?Amphibalanus improvisus? Is Balanus (Amphibalanus) amphitrite synonym of Amphibalanus improvisus (Darwin,...

09 August 2015 6,898 35 View

Does anyone know the genus of these Gobioid fish?

06 August 2015 579 20 View

Can any one identify this?

Does it belong to Dosinia? from estuary in south west cost of India

06 August 2015 6,390 2 View

Can anybody help me to identify this? Is Katelysia opima or Meretrix casta or meretrix meretrix?

Anybody help me to identify this?

06 August 2015 3,002 6 View

Can anyone guess the genus of this tellina?

Any one guess species of tellina ?

06 August 2015 402 17 View

Is Saccostrea cucullata (Born, 1778) ?

Saccostrea cucullata (Born, 1778)?

06 August 2015 180 3 View

Can anybody provide an illustrative identification key for gastropod family nassariidae?

Can anybody provide me identification key for Nassariidae

06 August 2015 5,364 6 View

Can anybody help me to identify this specimen?

Kindly help me to identify this specimen collected from tropical monsoonal estuary, (2m depth, estuary 5-25 ppt salinity), 2 meter depth, 1.5 to 2 cm length.

03 August 2015 6,089 13 View

Why were LC 50 values higher in static renewal tests compared to continuous flow through test?

Any body can give article showing high LC 50 value compared to static renewal test?

24 June 2015 1,547 6 View

How do I estimate porosity of the marine sediment?

Procedure for estimating marine sediment porosity? is their any relationship with sedimment organic matter with porosity and bulk density ?

20 June 2015 5,411 2 View

What are the recent trends in benthic primary productivity studies in estuarine systems?

Can i know recent trends in benthic primary productivity studies in estuarine systems..?

19 April 2015 1,291 1 View

How to compare or correlate estuarine primary production, secondary production, tertiary production with benthic production?

How to compare or correlate estuarine primary production, secondary production & tertiary production with benthic faunal production? How to quantify and model these components in estuarine system?

19 April 2015 268 2 View

It is necessary to use modified aquil's medium to study copper toxicity in Chaetoceros calcitrans?

We have studied the copper toxicity in Chaetoceros calcitrans in F/2 medium (without any modification) at salinity of 30ppt. But I have found in literature that modified aquil's medium is used for...

24 October 2014 2,310 1 View

Is Trace Metal Analyses by Voltammetry reliable?

Heavy metal analysis

14 June 2014 4,603 2 View

How can I measure chlorophyll content in minimum volume of algal culture ( 2-3 ml)?

Can you suggest some methods/ procedure?

13 March 2014 992 1 View

What is the best unit and most accepted unit for dissolved nutrients?

Micro-mole per liter?

16 February 2014 9,628 5 View

What is the best method for estimation of Meiofauna? Can you help me with procedure?

For Meiofuna biomass estimation.

01 February 2014 4,137 9 View

How do you study feeding guilds in benthic polychaete and nematodes ?

In regards to nematodes and polychaete ecology.

27 January 2014 6,532 1 View

Can you identify this benthic organism from the tropical estuary?

Benthos

27 January 2014 2,248 9 View

How we study climate change effects on estuarine animals?

Since estuaries are dynamic are environmental conditions vary on spatial and temporal scale, how we study climate change effects?

01 January 1970 9,979 1 View

Which citation number is most accepted? Google Scholar?/ Research Gate?/ Scopus? and Reason?

Which citation index is most accepted? Google Scholar or Scopus? Reason?

01 January 1970 6,845 16 View

What are the implications of ocean deoxygenation in marine benthic communities ?

What are the new approaches and research directions on ocean deoxygenation and its effects in benthic communities of coastal marine systems?

01 January 1970 2,498 3 View

How to link ecology of coastal systems to address ocean deoxygenation?

How to link ecology of coastal systems to address ocean deoxygenation

01 January 1970 8,963 5 View

Status of deep sea biological exploration in Indian ocean? especially in Indian EEZ?

Status of deep sea biological exploration in Indian ocean? Up to what depth, deep sea studies on benthos carried out

01 January 1970 7,273 2 View