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Questions related from Alexandre Ribeiro da Silva
In the past years I've been creating ENMs using dismo and its related packages like raster. I have my own workflow but for didactic purposes I also use modleR workflow...
13 March 2024 8,535 2 View
Dear fellow researchers, I'm gathering data on hermit crabs distribution and I'd like to know if there's any native hermit crabs besides Pagurus bernhardus at North Sea/Baltic Sea/Wadden Sea...
18 September 2023 4,114 2 View
Dear fellow researchers, I'm calculating niche overlap of two species. I used the nicheOverlap() function present and dismo package. I've obtained a result of 0.88. This indicates a high niche...
18 September 2023 3,890 0 View
Dear RG Community, I've been following the steps proposed Buser et al (2020) and I'm running into some difficulties. I load the image stack into Fiji and follow all the steps until I save the...
18 April 2023 9,320 0 View
I was reading a discussion on whether or not use aov() or lm(), and it was suggested that lm() on R does not assume that the variables are centered. So, the discussion has a few examples on how to...
15 March 2022 952 5 View
Dear colleagues, I'm having troubles in some data analysis. I have Presence/Absence data from a few communities. I've run a nMDS based on Jaccard index matrix using vegan package in R. Further,...
26 July 2021 7,397 1 View
Dear coleagues, I'm trying to use R to perform geometric morphometrics and I'm facing difficulties in inputing my data. I've de Geomorph publication (Adams & Otárola-Castillo 2013), and in...
11 June 2019 1,129 1 View
We're having troubles to identify this gastropod shell. It was collected in "laje de santos" on a consolidated substrate (24º15’ S, 46º10’ S). We're thinking of some Xantodaphne, perhaps.
08 December 2016 5,953 14 View
