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2
votes
1answer
30 views

How high into the air are spores of molds commonly occurring?

I understand so far that most of the air surrounding us contains mold spores so that given the right environment and a food source they start to grow. I assume this is true for air close to the earth. ...
3
votes
1answer
63 views

Reconstruction of wildlife distribution based on poorly-sampled data [closed]

cross-posted to Signal Processing, Cross Validated, and World Building Stack Exchange Hi, I thought I'd also put this here in case there are any field biologists with ideas on the matter. Problem: ...
5
votes
1answer
73 views

(Why) are polar bears more common in Labrador than in southern Greenland?

The Labrador Sea is between Greenland, Labrador, and Qikiqtaaluk: Map source. A Greenlandic source on polar bears states: In Greenland the polar bear lives and breeds in the northernmost parts ...
2
votes
1answer
61 views

How does the ideal free distribution work?

I have recently completed a study on Brent Goose. I found that Brent Geese occupy high quality habitat first then once this is full of geese, they fill up low quality habitat. However, there were ...
1
vote
1answer
19 views

Determining break/border of movement

A population given inhabiting an area. I can trace every individual and I've got the hypothesis there is a break in distribution like individuals born in the upper half of the area will rarely move to ...
2
votes
0answers
31 views

Using Canonical Correspondence Analysis on matrices with missing data

I have a matrix of sites where not all the environmental variables I want to assess were sampled. In other words, there are sites with the whole set of variables sampled, and there are other sites ...
6
votes
3answers
407 views

Is there a hypothesis that attempts to explain patterns of species richness along all three energy-related environmental gradients?

My question is related to one of the oldest question in ecology: "What determines global patterns of species richness?". However, I want to focus on one particular part of this question, which has ...
1
vote
1answer
96 views

How do I compare the variance of a distribution of species in one area versus another?

It's possible that this question is better suited for stack overflow, but I think the ecologists on this site might be better equipped to answer it. I'm trying to study two geographically-isolated ...