No title

As far as I understand, theory of planned behaviour (and similar approaches) is usually used to investigate binary decisions (yes/no). But are there approaches drawing upon TPB (or similar...

09 November 2020 1,645 5 View

Is it possible that cat owners have higher immunity for COVID-19?

In a paper deposited in BioRxiv entitled: "Susceptibility of ferrets, cats, dogs, and different domestic animals to SARS-coronavirus-2" the team from Harbin Vet Institute intentionally infected...

04 April 2020 3,630 21 View

Primary and secondary effects of shrinkage in composite steel-concrete beams?

In Eurocode 4 the primary and secondary effect of shrinkage are introduced. What is the scientific definition of these effects? Are the primary effects of shrinkage related only to deflections...

11 March 2018 9,620 1 View

Are there empirical studies of EU farmers' time allocation?

I am looking for empirical studies (questionnaires, interviews, econometric analyses...) that study time allocation by farmers, preferably in EU countries. I am less interested in time allocation...

20 February 2018 5,529 6 View

What is the relation of the elastic modulus of concrete in tension to the elastic modulus in compression?

21 April 2017 237 6 View

Any advice on MCMCglmm - G-structure phylo effect interpretation?

Dear all, In our romance with MCMCglmm package in R a question arose which we have trouble addressing. How to properly interpret the "strength" or importance of the phylo effect in our model...

03 January 2016 1,622 3 View

Yesterday I found something strange in one of our cell cultures.. Maybe someone can recognise this and could tell what it is?

29 December 2015 7,466 12 View

How to generate least square means from MCMCglmm model for phylogeneticly corrected data in R?

Dear all, We are struggling with producing presentable graphs based on our MCMCglmm models.Our data includes information on body size and how it changes with respect to different components of...

22 December 2015 5,201 2 View

Does anybody came across or knows of a publication listing the phylogenetic position of Carabus ulrichi and Carabus obsoletus?

I am searching (fruitlessly I might add) for the phylogenetic information on the two Carabus species (C.ulrichi and C.obsoletus). I would be very grateful if anyone could point me to a publication...

05 October 2015 6,412 3 View

Does the energy of a Byers-Yang type system change on adding magnetic flux quanta?

What happens if one adds magnetic flux quanta into a Byers-Yang type system (http://en.wikipedia.org/wiki/Byers-Yang_theorem)?The wavefunction does not change according to the gauge transformation...

20 October 2014 8,442 3 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

Your thoughts on the spherical densiometer to estimate relative species canopy cover?

Hi biologists and biogeomorphologists, I want to characterize vegetation plots on a transect that follows a successionnal gradient from a river bed to a mature forest. Ecologically, I am...

26 February 2021 5,720 2 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

Bayesian decision trees and bayesian regression trees in Python and/or R?

I am looking for implementation of bayesian decision trees and bayesian regression trees in Python and/or R.. Do you know if the existing libraries support this

23 February 2021 6,689 3 View

How to assure whether a regression tree overfit or not by seeing bias-variance value of the model?

Lets consider a regression tree in which variance is 1.1065*e-10 and bias is 2.962e-13. Also the model RMSE on training set is 1.5e-5 and on training set is 1.2950e-5. Is the model is overfit or...

22 February 2021 7,755 2 View

Are cloud points able to identify tree species?

Hello Dears My goal is to classify dense forest tree species using drone images. Is it possible to classify dense cloud points? If yes, in what way and in what software? Thankful

15 February 2021 3,475 3 View

Is aligning mitochondrial and nuclear sequences inconsequential?

Probably a silly question but I am a complete novice in molecular biology. I have decided to attempt a phylogenetic analysis. I have managed to create a phylogenetic tree but want to confirm...

19 January 2021 5,895 2 View

How can I make unsupervised clustering of trees species using algorithms like HAC, Kmeans... in R?

I am working on the development of multi-species volume allometric equation from diameter (DBH). I would like to form groups of species with the largest possible volume-diameter correlations by...

19 January 2021 5,752 5 View

Can anyone please tell me, what will be the Crop Coefficient value for shortleaf pine and oak tree in HEC-HMS model simulation?

my study area located in the forest region having Shortleaf Pine and Oaktree, thus in the Canopy Method I am trying to get the Crop Coefficient value of these trees but did not get anything.

18 January 2021 9,789 1 View

What is the classification of tree species by texture analysis technique on drone images?

Hi My goal is to distinguish forest tree species (in dense forests) with drone images. I did not get acceptable results using spectral features. Because the pictures were taken in the fall and the...

07 January 2021 7,494 3 View