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Niche Partitioning. Related terms: Coexistence. The niche partitioning theory is central to our understanding of biodiversity. The term niche partitioning refers to the process by which natural selection drives competing species into different patterns of resource use or different niches (Hector...The rapid colonization ability of certain species (e.g. blackfly and chironomid larvae) allows them to exploit temporarily empty areas created by disturbances before they are displaced by other, slower colonists (see p. 191). Colonization ability could therefore be considered another niche dimension. (Giller and Malmqvist 1998:195) Results: Behavioral partitioning was revealed both between and within species in Hawaiian albatrosses. Both species were highly active during chick-brooding trips and foraged across day and night; however, Laysan albatrosses relied on foraging at night to a greater extent than black-footed albatrosses and exhibited different foraging patterns ... Mar 01, 2012 · This coexistence is not maintained by the ability of species to compete more effectively when rare but by the stochasticity of ecological drift. The introduction of drift as an explanation of species assemblages, as opposed to various models of niche partitioning (Tokeshi 1999), is arguably the most significant contribution of neutral theory ...
Cartoon of experiment showing coexistence between bacteria (red and blue) that cyclically colonize nutrient patches (green). Researchers from the AMOLF institute in Amsterdam and Harvard have shown that the ability of organisms to move around plays a role in stabilizing ecosystems.
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Large-scale (temporal and/or spatial) molecular investigations of the diversity and distribution of arbuscular mycorrhizal fungi (AMF) require considerable sampling efforts and high-throughput analysis. To facilitate such efforts, we have developed a TaqMan real-time PCR assay to detect and identify AMF in environmental samples. First, we screened the diversity in clone libraries, generated by ... Jquery array length.
Jun 02, 2017 · Darwin’s On the Origin of Species contains a good deal about competition, usually competition between species operating as the force of natural selection. There is a good deal about plants and plant ecology in Darwin’s work. OVERVIEW This worksheet complements the short video "Niche Partitioning and Species Coexistence" from the Scientists at Work series. QUESTIONS 1. List two pieces of evidence from the film justifying the claim that "termite mounds are an advantage to the savanna ecosystem."