Does anybody possess pictures of boreal plants in their habitats (Pinus sibirica, Nuphar pumila, Linnaea borealis)?

More Gregor Kozlowski's questions See All

Did you know that the NULL-result of the Michelson-Morley-experiment (MMX) has a classical explanation?

The NULL-result of the Michelson-Morley-experiment (MMX) has a theoretical, let’s say geometrical, explanation. You might see it below: If light goes up with 90 degree and comes from that point to...

22 March 2024 3,503 1 View

How is the Universe expanding proportionally to the space distance from "here" and shrinking proportionally to time distance from "now" ?

This looks as a paradox of the Big Bang theory. The further we look in space the Universe is getting larger and larger. But, at the same time, the further we look in space we are also traveling...

19 July 2023 6,494 4 View

How to determine a sound insulation index of homogeneous single baffle using FE modelling in Abaqus?

Is it possible to model a homogeneous single baffle to obtain a response of the sound insulation in a frequency domain in Abaqus software (R [db] vs frequency plot)? Can anyone provide me with...

18 July 2023 3,820 1 View

Can high concentration of Na and K be found in tolerant plants to salt stress???

Dear All I am running an salt stress experiment at germination stage using seawater in barley. When we measured Na and K we found that the Na and K had higher concentration n the tolerant plants...

30 March 2023 9,339 3 View

Where can I find an analytical formulas for a 2DOF dynamic model?

Hello, I am looking for analytical formulas for a 2DOF dynamic model. Two masses + two springs. Can anyone help? Thanks in advance! Best, Marcin

27 October 2022 7,947 4 View

Why do researchers estimate BLUPs for GWAS?

What is the advantages of estimating BLUPs for GWAS studies

04 February 2022 8,077 8 View

Albumin contamination - Exosome Isolation?

Hello, I'm struggling with a problem isolating tumor-derived exosomes. In short: We are isolating exosomes from concentrated media of HCC cell lines - cultivation for 72h in DMEM containing 10%...

16 January 2022 7,831 1 View

Albumin contamination - Exosome Isolation?

Hello, I'm struggling with a problem isolating tumor-derived exosomes. In short: We are isolating exosomes from concentrated media of HCC cell lines - cultivation for 72h in DMEM containing...

16 January 2022 5,743 4 View

Abaqus: What is the best way to model the inflation of a fluid cavity with known volume of gas?

Hello, I am modelling a steel container filled with air as a fluid cavity (pneumatic). I would like to pump an additional volume of gas into the cavity. In your opinion what is the best way to...

05 August 2021 3,013 3 View

Can anyone identify this fungus/mushroom from China?

The pictures were taken in Guishan Mts in Yunnan. The fungus is ca. 10-12 cm high.

07 January 2021 6,995 10 View

Need help for this fern?

I need some assistance to ID this Fern I collected in remote Papua New Guinea tropical lowland hill forest at 50-100 m asl. I think it is one of the Dryopteridaceae but I can not put a genus and...

27 June 2024 5,076 2 View

How do I best analyse the data from my howler monkey research?

Hello! I am currently situated in Paraguay, where I did research on howler monkeys. I am now in the data analysis fase of my project and pretty stuck. Background of the project: I played 5...

19 June 2024 5,319 2 View

Which method would be most appropriate to use for setting a threshold when analyzing canopy pictures?

I have two sets of canopy pictures from a forest taken at dbh with a fisheye lens. One set of pictures are from the spring just before the trees get their leaves, the other is from late summer...

12 June 2024 2,314 1 View

¿Que enfoque metodológico me recomiendan para abordar los gremios tróficos en un área natural de BST?

Me interesa investigar la distribución espacial de los gremios tróficos de aves en un área natural específica de bosque seco tropical, analizando la abundancia relativa de cada gremio en las...

12 June 2024 9,313 1 View

What is the method of sampling for woody lianas in forest?

I want to study the population status of a particular liana in forest. I am not able to find sampling procedure to do the sampling in the study area.

12 June 2024 8,705 2 View

How does agroforestry promote sustainable livelihood for farmers in India and role of agroforestry in sustainable forest management?

25 May 2024 7,873 8 View

Is it possible to combine a time-series of tree-ring widths and and a time-series of diameter at breast height measurements into one TS?

Hello together! I have some time-series for tree-rings from dating from 1850-2016 and diameter at breast height (DBH) from 1996-2022 for the same plot, however the sampled trees for tree-rings...

16 May 2024 5,295 2 View

How to estimate strong causality for Panel ARDL in Eviews ?

I would like to apply strong causality test for my panel ARDL, but the software does not take into account the coefficient of the error correction term. when I proced by the the "STEPLS Method"...

14 May 2024 2,561 6 View

What criteria define a tree species as monodominant within a given ecosystem?

I am looking for criteria to define a species as monodominant, based on its DBH and presence locations in the field.

13 May 2024 7,716 3 View

Would it be proper to mark species that do not migrate as "stationary" or "sedentary" ?

I am curious how should i label species in a certain swamp habitat, since i want to make a difference between the migratory and the "stationary" species. Both of the terms i mentioned in the title...

11 May 2024 3,216 5 View