Francisco O. Borges

9 Questions 8 Answers 0 Followers

Questions related from Francisco O. Borges

Marine environmental layer datasets?

Hello everyone! I've been having some difficulty in finding datasets for specific variables: - Dissolved oxygen - Upwelling index - Sea surface Salinity I was hoping of getting datasets of...

16 April 2024 5,227 2 View

High fecundity and paralarvae dispersal vs direct development and smaller fecundity?

Hi! I've been wondering on this subject and would like to gain some insight from the community. In the context of marine climate change, namely in Octopuses, what type of reproductive strategy...

14 August 2023 5,575 2 View

Meta-analysis: weird graphics effects?

Hello everyone! When calculating meta-analysis in R, using package metafor, and computing the -|lnRR| (that is, the negative of the absolute value of the natural logarithm of the response ratio)...

14 November 2022 9,756 1 View

In R software, how to restrict geographical area only to the coastline / intertidal zone?

Hello all! I'm trying to conduct an SDM analysis in R regarding a species which only occurs in the intertidal area. I need to be able to restrict my geographical range to a range of points in...

14 November 2020 540 9 View

SDM and intertidal species?

Hello all. I have a technical question regarding species distribution models on intertidal species. The main issue here is the fact although the species in question are associated with intertidal...

13 October 2020 2,323 2 View

What distance method to use in UPGMA analysis?

Hello all, I am conducting a Bray-curtis / UPGMA analysis in R, based in a binomial dataset (presence and absence of species in specific areas). I want to cluster the areas according to their...

05 January 2019 8,849 3 View

Weighted arithmetic means vs Geometric means?

Hello all! I'm having some difficulty addressing a database problem with data of Sizes (cm). I want to calculate the geometric mean of the values of the size of a number of species in a group...

25 October 2018 4,690 5 View

What taxa of Chitons have eyes?

Hello, I'm reaching out to see if anyone knows any species / genre / subfamily of chiton which has been described to have eyes (ocelli), besides the Schizochitonidae family, and the...

16 November 2016 3,479 3 View

Id of Amphipoda?

My thesis advisor gathered some Ulva sp. and Fucus vesiculosus for our amphipod stock and we found these little guys roamming around.They were gathered in the rocky shores of Cascais, on the...

03 November 2016 2,606 4 View