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Ecological theories

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Gaia hypothesis
paradigm that living organisms interact with their surroundings in a self-regulating system
Liebig's law of the minimum
statement that growth is dictated by the scarcest resource
r/K selection theory
ecological theory concerning the selection of life history traits
limiting factor
bottleneck variable limiting the evolution of a system
theoretical ecology
scientific discipline devoted to the study of ecological systems using theoretical methods
Bateman's principle
Biological principle about the differential reproductive success in males versus females
Medea hypothesis
hypothesis that multicellular life, understood as a superorganism, is suicidal, and that microbial-triggered mass extinctions are attempts to return the Earth to a microbial-dominated state
Younger Dryas impact hypothesis
hypothesis on what initiated the Younger Dryas geological period
Shelford's Law of Tolerance
Ecological principle
Kleiber's law
approximate power law relating animal metabolic rate to mass
Intermediate Disturbance Hypothesis
hypothesis in ecology
adaptability
Adaptability ( "fit to, adjust") is a feature of a system or a process describing the capacity to adjust in response to new conditions. adaptability in the field of organizational management can be generally seen as the ability to change something or oneself under conditions of the environment. In ecology, adaptability has been described as an organism's ability to adjust and thrive under the conditions of its own environment, see adaptive behaviour (ecology).
Unified neutral theory of biodiversity
theory of evolutionary biology
metacommunity
An ecological metacommunity is a set of interacting communities which are linked by the dispersal of multiple, potentially interacting species. The term is derived from the field of community ecology, which is primarily concerned with patterns of species distribution, abundance and interactions. Metacommunity ecology combines the importance of local factors (environmental conditions, competition, predation) and regional factors (dispersal of individuals, immigration, emigration) to explain patterns of species distributions that happen in different spatial scales.
Wood-pasture hypothesis
ecological theory
universal adaptive strategy theory
evolutionary theory developed by J. P. Grime based on the trade-off between growth, maintenance and regeneration
metabolic theory of ecology
theory that posits that the metabolic rate of organisms is the fundamental biological rate that governs most observed patterns in ecology
Janzen–Connell hypothesis
explanation for tree species biodiversity in rainforests
Earth immune system
controversial proposal related to the Gaia hypothesis