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Chapter 28

Population and Community Ecology

What are Populations and Communities?
Overview Populations are groups of individuals of the same species that inhabit a shared environment. Communities include multiple co-existing,…
Distribution and Dispersion
To understand intra-specific interactions in populations, scientists measure the spatial arrangement of species individuals. This geographic…
Life Histories
Overview Constrained by limited energy and resources, organisms must compromise between offspring quantity and parental investment. This trade-off…
Energy Budgets
Organisms must balance energy intake with the energy required for growth, maintenance and reproduction. These trade-offs result in a variety of…
Population Growth
Population size is dynamic, increasing with birth rates and immigration, and decreasing with death rates and emigration. In ideal conditions with…
Symbiosis
Symbiotic relationships are long-term, close interactions between individuals of different species that affect the distribution and abundance of…
Experimental Protocol for Manipulating Plant-induced Soil Heterogeneity
Coexistence theory has often treated environmental heterogeneity as being independent of the community composition; however biotic feedbacks such as…
Assembly and Tracking of Microbial Community Development within a Microwell Array Platform
The development of microbial communities depends on a combination of complex deterministic and stochastic factors that can dramatically alter the…
Empirical, Metagenomic, and Computational Techniques Illuminate the Mechanisms by which Fungicides Compromise Bee Health
Growers often use fungicide sprays during bloom to protect crops against disease, which exposes bees to fungicide residues. Although considered…

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