Niche of Organisms: Same Species, Different Niches?

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Discussion Overview

The discussion revolves around the concept of ecological niches, specifically whether two members of the same species can occupy different niches within the same habitat. Participants explore definitions of niche and species, and provide examples to illustrate their points.

Discussion Character

  • Conceptual clarification, Debate/contested

Main Points Raised

  • One participant asserts that niche is a lifestyle rather than a geographical location, questioning the possibility of different niches for the same species in the same habitat.
  • Another participant references Wikipedia and suggests that it may be possible for members of the same species to have different niches depending on definitions, mentioning examples like Helicobacter.
  • A humorous remark is made regarding the difficulty of imagining different niches for the same species, implying a metaphorical comparison to marriage.
  • One participant states that they view niches as ecological, providing an example of predator and prey dynamics in the same region as different niches.

Areas of Agreement / Disagreement

Participants express differing views on whether members of the same species can occupy different niches in the same habitat. The discussion remains unresolved with multiple competing perspectives presented.

Contextual Notes

Definitions of niche and species are not uniformly agreed upon, which may affect the interpretations of examples provided. The discussion includes references to specific biological examples that may require further exploration to clarify their relevance.

gracy
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As far as i know niche is not any place or geographical location/space (i.e habitat),instead it is a kind of lifestyle which enable an organism to survive in particular habitat,right?Now i want to ask can two members of same species living in same habitat have different niches?if yes then please give example.I don't think so because members of same species would have similar lifestyle so similar niche.Even members of same same species can have different lifestyle or niche if they are in different habitat but members of same species in same habitat having different niches i can't imagine!
 
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Wikipedia suggests that it may be possible depending on how niche and species are defined: http://en.wikipedia.org/wiki/Polymorphism_(biology)#Polymorphism_and_niche_diversity.

Googling for "polymorphism niche diversity" led to some other interesting links:
http://www.ncbi.nlm.nih.gov/pubmed/11724955
http://www.ncbi.nlm.nih.gov/pubmed/15514047

I think the Helicobacter example is something like what you are looking for, with different niches in the same(?) habitat being occupied by a single species. The question is whether the habitats for the different niches are the really the same.

The Borrelia example seems different, but I listed it for comparison.
 
Last edited:
gracy said:
members of same species in same habitat having different niches i can't imagine!
You're not married, are you?:oldeyes:
 
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I've always thought niche was ecological. So a predator and a prey in the same region will have different niches. The prey feeds the predators, the predators keep prey populations stable.
 

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