Researchers have attempted to incorporate both of them into more general models [ 13 – 17 ]. 2 . Mina Khatibi. ‘Niche Theory and Speciation’ encouraged contributors to interpret and study niches in the manner they felt most useful and informative for their study system of question. ABSTRACT . First, we briefly summa-rize key aspects of each theory and develop an integrated framework (Fig. [ 16 ] assumes that communities are located in a continuum (niche and neutrality form ends of a continuum from niche-structured communities to neutral structure). approach that combines neutral and niche theory to interpret community structure. Niche theory (solid lines) would predict that recruitment and survival rates (niche 1 model) or recruitment rates alone (niche 2 model) would change along the successional gradient, causing deviations from the neutral model. Clearly, the current melding of niche and neutral theories cannot account for such dynamics. The ecological niche describes how an organism or population responds to the distribution of resources and competitors. 1) based on a case study of shrub aggregates in a southern Great Plains, USA, savanna parkland. Gravel et al. Ecological Niche Theory: A Brief Review . The neutral theory of biodiversity is still in its infancy. Progress on the neutral theory depends on both theoretical and experimental improvements. 1 *, Razieh Sheikholeslami. Actually, niche theory and neutral theory alone cannot explain many patterns observed in nature. The 50‐ha long‐term forest plot on Barro Colorado Island in Panama was ‘ground zero’ for the development of ecology's ‘neutral theory’ and comparisons with its ‘niche theory’ counterpart. cesses of both the neutral theory and the niche theory will definitely be a breakthrough in community ecology (Chase, 2005). 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