Should I normalize the environmental variables in order to run a Ecological Niche Model (ENM)?

06 July 2018 5,592 2 View

What's the distribution range of the mustachioed snake-eel (Herpetoichthys fossatus)?

According to distribution maps (IUCN, http://www.iucnredlist.org/details/183882/0) this species has been restrictively allocated to specific sites in the eastern Pacific including the Gulf of...

05 June 2017 2,982 2 View

Can anyone identify this hermit crab of the Western Pacific Ocean?

09 October 2015 6,416 8 View

Any idea on the family/genus/sp. of this Antarctic amphipod?

07 August 2015 8,868 4 View

Can anyone identify the family/genus/sp. of this Antarctic amphipod?

Sampled on the shallow waters of Admiralty Bay (King George Island, Western Antarctic Peninsula), max depth 90ft. (30m.)

07 August 2015 8,119 6 View

What species (or genus even) of crab is this (bivalve using hermit type)?

Two weeks ago I found a peculiar crab in the intertidal zone in SW Florida. when found, the crab was not utilizing a shell. It was similar shaped to porcelain crabs found in our area, but with...

17 January 2021 1,620 4 View

Output of rankMANOVA in R?

Dear all, I am working on data including two responses (count data, relatively correlated~R2=0.4, non-normal distribution, and violated the homogeneity of covariance) and three independent...

26 November 2020 711 3 View

RS dataset of ice cover of Arctic Antarctic?

I am looking for datasets of ice cover of Arctic Antarctic. I want only India related dataset. If you have any source of dataset please share with me. It will be very helpful for my...

13 October 2020 7,137 1 View

Can anyone tell me which species (or higher taxon) this is?

We found this small, maybe parasitic, crustacean in the North Sea offshore. The posterior body part is missing, but it looks quite characteristic. There is double-hooked rostrum, 2 antennae...

08 April 2020 6,842 9 View

Macrofauna-Can you tell me what species this is?

Can anyone identify this species? It's from a temperate lagoon located in the southern part of the Po River delta (Italy). Many thanks, Monia

03 March 2020 9,999 5 View

Can anyone tell me the largest number of proteins directly extracted from soil ?

Can anyone tell me the largest number of proteins directly extracted from soil ? I am writing a paper about soil protein extraction and wanted to know what sort of yields other researchers were...

30 January 2020 9,060 2 View

Can anyone tell me the largest number of proteins directly extracted from soil ?

Can anyone tell me the largest number of proteins directly extracted from soil ? I am writing a paper about soil protein extraction and wanted to know what sort of yields other researchers were...

31 December 2019 7,930 2 View

Anyone used "casting traps" to study the blue crab Callinectes sapidus?

Anyone has field experience on eficiency of using this type of casting traps (image attached) versus more "traditional" pots ? If applied to the blue crab, would be optimal. The idea would be to...

11 December 2019 5,478 6 View

Why can't I get target-specific sequences of Bryozoa in PCRs?

Hello, I am a PhD student interested in population genetics of marine invertebrates. Currently I'm working with a bryozoan: Reteporella. I have been trying to amplify COI (at least) and, although...

13 November 2019 7,387 4 View

Why can't I get target-specific sequences of Bryozoa in PCRs?

Hello, I am a PhD student interested in population genetics of marine invertebrates. Currently I'm working with a bryozoan: Reteporella. I have been trying to amplify COI (at least) and, although...

10 November 2019 2,188 4 View