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I am trying to understand the relation between apportionment models, niche theory, and neutral theory of biodiversity. Wikipedia seems to suggest that the first two are the same thing, whereas the last one is controversial

The theory has sparked controversy, and some authors consider it a more complex version of other null models that fit the data better.

This impression is further enforced by the fact that the Hubbell's original books seems to be almost the only source of information about this model.

On the other hand, this article suggests that modern niche theory is a synthesis of the apportionment models and the neutral theory

Niche-based theories have emphasized the role of competition for resources, while neutral theory has highlighted the role of stochastic effects, and several works have investigated the interplay between stochasticity and competition.Many of these theoretical insights have been synthesized in what is commonly referred to as contemporary niche theory. Contemporary niche theory highlights the role played by equalizing mechanisms, processes that decrease fitness differences between organisms, and stabilizing mechanisms, processes that decrease competition for resources. These basic organizational schema have been successfully applied to understand community structure in a wide range of settings.

I am looking for guidance in this theory landscape, comments on what is mainstream and what is not, and suggestions for deeper reading (math is welcome).

Remark: It is understood here that neutral theory of biodiversity is not the same as the neutral theory in population genetics (although the latter might have inspired the former).

Additional references:

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    $\begingroup$ I think I would start with Letten et al. doi.org/10.1002/ecm.1242 . BTW I wouldn't say "modern" niche theory, "contemporary niche theory" appears to be the standard terminology ... I wouldn't say Hubbell's book is the only source - there are lots of research papers ... $\endgroup$
    – Ben Bolker
    Jun 16 '21 at 2:15

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