A population cycle in zoology is a phenomenon where populations rise and fall over a predictable period of time. There are some species where population...

The Gartner hype cycle is a graphical presentation developed, used and branded by the American research, advisory and information technology firm Gartner...

overpopulation Human population planning Negative Population Growth Political demography Population cycle Population growth Rural flight Societal collapse Antinatalism...

Social cycle theories are among the earliest social theories in sociology. Unlike the theory of social evolutionism, which views the evolution of society...

Minimum viable population (MVP) is a lower bound on the population of a species, such that it can survive in the wild. This term is commonly used in the...

In world demographics, the world population is the total number of humans currently alive. It was estimated by the United Nations to have exceeded eight...

nutrients is cyclic. Mineral cycles include the carbon cycle, sulfur cycle, nitrogen cycle, water cycle, phosphorus cycle, oxygen cycle, among others that continually...

biogeochemical cycles include the carbon cycle, the nitrogen cycle and the water cycle. In each cycle, the chemical element or molecule is transformed and cycled by...

model Pest insect population dynamics Population cycle Population dynamics of fisheries Population ecology Population genetics Population modeling Ricker...

yearly events (such as weather conditions and phase of snowshoe hare population cycle). Breeding generally begins in late December to January and lasts until...

yearly increase of an unrestricted population." However, the propensity for population increase also leads to a natural cycle of abundance and shortages: We...

Pakistan to Kumaon in India. The holly blue is subject to marked population cycles which appear to be caused by interactions with the parasitoid ichneumon...

hares populations similarly cycle dramatically, as did those of one of their predators, the lynx. Another example is the cycles among populations of grey...

ovulatory menstrual cycle, the ovarian and uterine cycles are concurrent and coordinated and last between 21 and 35 days, with a population average of 27–29...

years, the population of lemmings was believed to change with the population cycle, but now some evidence suggests their predators' populations, particularly...

their own cells. A characteristic type of food chain called the detritus cycle takes place involving detritus feeders (detritivores), detritus and the...

In population genetics and population ecology, population size (usually denoted N) is a countable quantity representing the number of individual organisms...

of the Iberian lynx. Apex predators affect prey species' population dynamics and populations of other predators, both in aquatic and terrestrial ecosystems...

increasing complexity of non-living into living matter. Nitrogen cycle Phosphorus cycle Wikiquote has quotations related to Abiotic component. Ricklefs...

Population ecology is a sub-field of ecology that deals with the dynamics of species populations and how these populations interact with the environment...

The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmospheric, terrestrial...

leading to population cycles. When prey is abundant predator species increases, thus eating more prey species and causing the prey population to decline...

healthy population. A population cycle occurs where populations rise and fall over a predictable period of time. There are some species where population numbers...

beating of the human heart (for circulation), business cycles in economics, predator–prey population cycles in ecology, geothermal geysers in geology, vibration...

defined as Population I star and population II, with another newer, hypothetical division called population III added in 1978. Among the population types,...

The Ulster Cycle (Irish: an Rúraíocht), formerly known as the Red Branch Cycle, is a body of medieval Irish heroic legends and sagas of the Ulaid. It...

Dynastic cycle (traditional Chinese: 朝代循環; simplified Chinese: 朝代循环; pinyin: Cháodài Xúnhuán) is an important political theory in Chinese history. According...

predator population is low, the prey population will increase again. These dynamics continue in a population cycle of growth and decline. Population equilibrium...

turgescence of the inferior turbinates in 80% of a normal population. According to Heetderks, the cycle is the result of alternating congestion and decongestion...

social, technological, economic and regulatory changes, thus maximizing life cycle value." The goal is to "reduce the likelihood of a prematurely obsolete...