Interactions and relationships among organisms and their environment. This includes biotic and abiotic (non-living/environmental) factors that impact organisms.

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44 views

About animal ecology and one view of this in science fiction

In the movie the Matrix Agent Smith said something like, 'all animals strive to find a natural 'equilibrium' with there environment ,... a harmonious existence with their ecosystem', ( forgive ...
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1answer
107 views

Which factors may affect a choice of an oviposition place in nocturnal moths?

Winter Moth (Operophtera brumata) is a small brachypterous (females have stunned wings - unable to fly) moth which places eggs on thick branches. I would like to know which abiotic and biotic factors ...
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1answer
337 views

Would oxygen levels be stable without photosynthesis?

I learned how the CO$_2$ cycle works in several biology classes, high school, elementary school, geology, and physics. Then today there was an article published in the NY Times claiming: ...it is ...
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1answer
55 views

How long does it take for a hard clam (Mercenaria mercenaria) to reach sexual maturity?

How long does it take for a wild hard clam (Mercenaria mercenaria) to reach an age where they are reproductive? How does fecundity depend on age and size? I've looked at several hard clam life cycles ...
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2answers
105 views

Premise of life cycle synchronization between predator and prey

While reading about the predator satiation hypothesis of the periodical cicadas' 13/17 year life cycles, I started wondering about its premise. By the way, I understand the math behind the prime ...
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1answer
52 views

Why do pine stands exist?

I live in the midwestern United States. I cycle to work, sometimes on heavily wooded roads, and I can't help but notice that in most places within the surrounding deciduous forests Pine and evergreen ...
4
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1answer
199 views

Null distribution of Blomberg's K

I've noticed different functions in different R libraries have different ways of assessing significance for Blomberg's K. For instance, picante's phylosignal looks at a distribution of PIC variance ...
4
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1answer
92 views

Could habitat selection pattern be deformed in environment with low variability?

It is possible that strong (clearly visible) pattern of selection towards particular parameter is detectable only in environment with high variability (difference between used (red) and non-used ...