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Population dynamics of fisheries

Index Population dynamics of fisheries

A fishery is an area with an associated fish or aquatic population which is harvested for its commercial or recreational value. [1]

114 relations: Alexander John Nicholson, Alfred J. Lotka, Algae, Allele frequency, Aquatic animal, Arditi–Ginzburg equations, Benjamin Gompertz, Beverton–Holt model, Bill Ricker, Biomass, Biomass (ecology), Birth rate, CalCOFI, California, California roach, Carl Walters, Carrying capacity, Cohort (statistics), Commercial fishing, Competitive Lotka–Volterra equations, Computer simulation, Conservation biology, Daniel Pauly, Demography, Depensation, Differential equation, Ecological niche, Ecology, Economics, Ecosystem model, Eel River (California), Effective population size, Evolution in Mendelian Populations, Expected value, Fedor Baranov, Fish, Fish farming, Fish mortality, Fish stock, Fisheries science, Fishery, Food chain, Forage fish, Fresh water, Genetic drift, Genetics (journal), Habitat fragmentation, Herbivore, Huffaker's mite experiment, Hunting, ..., Idealised population, Inbreeding, Insect, Kelp, Kelp forest, Lake, Local extinction, Logistic function, Ludwig von Bertalanffy, Malthusian growth model, Marginalism, Matrix population models, Maximum sustainable yield, Mesopredator release hypothesis, Midge, Milner Baily Schaefer, Mortality rate, Nonlinear system, Normal distribution, Optimum sustainable yield, Organism, Otolith, Overexploitation, Overfishing, Overpopulation, Pacific Ocean, Peter Turchin, Phytoplankton, Pierre François Verhulst, Piscivore, Population, Population bottleneck, Population dynamics, Population ecology, Population genetics, Population model, Population size, Population viability analysis, Predation, Rainbow trout, Ransom A. Myers, Recreational fishing, Resource rent, Richard Levins, Ricker model, Sampling (statistics), Science (journal), Sea otter, Sea urchin, Sewall Wright, Small population size, Spawn (biology), Species, Stochastic, Sustainable yield in fisheries, Systems biology, Thomas Robert Malthus, Tragedy of the commons, Triggerfish, Trophic level, Victor Albert Bailey, Vito Volterra, Wild fisheries, Zooplankton. Expand index (64 more) »

Alexander John Nicholson

Alexander John Nicholson (25 March 1895 – 28 October 1969) was an Irish Australian entomologist who specialised in insect population dynamics.

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Alfred J. Lotka

Alfred James Lotka (March 2, 1880 – December 5, 1949) was a US mathematician, physical chemist, and statistician, famous for his work in population dynamics and energetics.

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Algae

Algae (singular alga) is an informal term for a large, diverse group of photosynthetic organisms that are not necessarily closely related, and is thus polyphyletic.

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Allele frequency

Allele frequency, or gene frequency, is the relative frequency of an allele (variant of a gene) at a particular locus in a population, expressed as a fraction or percentage.

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Aquatic animal

A aquatic animal is an animal, either vertebrate or invertebrate, which lives in the water for most or all of its lifetime.

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Arditi–Ginzburg equations

The Arditi–Ginzburg equations describe ratio dependent predator–prey dynamics.

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Benjamin Gompertz

Benjamin Gompertz (5 March 1779 – 14 July 1865) was a British self-educated mathematician and actuary, who became a Fellow of the Royal Society.

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Beverton–Holt model

The Beverton–Holt model is a classic discrete-time population model which gives the expected number n t+1 (or density) of individuals in generation t + 1 as a function of the number of individuals in the previous generation, Here R0 is interpreted as the proliferation rate per generation and K.

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Bill Ricker

William Edwin (Bill) Ricker, (August 11, 1908 – September 8, 2001) is an important founder of fisheries science.

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Biomass

Biomass is an industry term for getting energy by burning wood, and other organic matter.

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Biomass (ecology)

Biomass is the mass of living biological organisms in a given area or ecosystem at a given time.

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Birth rate

The birth rate (technically, births/population rate) is the total number of live births per 1,000 in a population in a year or period.

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CalCOFI

CalCOFI (California Cooperative Oceanic Fisheries Investigations) is a multi-agency partnership formed in 1949 to investigate the collapse of the sardine population off California.

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California

California is a state in the Pacific Region of the United States.

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California roach

The California roach (Hesperoleucus symmetricus) is a cyprinid fish native to western North America and abundant in the intermittent streams throughout central California.

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Carl Walters

Carl Walters (born 1944) is an American-born Canadian biologist known for his work involving fisheries stock assessments, the adaptive management concept, and ecosystem modeling.

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Carrying capacity

The carrying capacity of a biological species in an environment is the maximum population size of the species that the environment can sustain indefinitely, given the food, habitat, water, and other necessities available in the environment.

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Cohort (statistics)

In statistics, marketing and demography, a cohort is a group of subjects who share a defining characteristic (typically subjects who experienced a common event in a selected time period, such as birth or graduation).

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Commercial fishing

Commercial fishing is the activity of catching fish and other seafood for commercial profit, mostly from wild fisheries.

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Competitive Lotka–Volterra equations

The competitive Lotka–Volterra equations are a simple model of the population dynamics of species competing for some common resource.

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Computer simulation

Computer simulation is the reproduction of the behavior of a system using a computer to simulate the outcomes of a mathematical model associated with said system.

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Conservation biology

Conservation biology is the management of nature and of Earth's biodiversity with the aim of protecting species, their habitats, and ecosystems from excessive rates of extinction and the erosion of biotic interactions.

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Daniel Pauly

Daniel Pauly is a French-born marine biologist, well known for his work in studying human impacts on global fisheries.

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Demography

Demography (from prefix demo- from Ancient Greek δῆμος dēmos meaning "the people", and -graphy from γράφω graphō, implies "writing, description or measurement") is the statistical study of populations, especially human beings.

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Depensation

In population dynamics, depensation is the effect on a population (such as a fish stock) whereby, due to certain causes, a decrease in the breeding population (mature individuals) leads to reduced production and survival of eggs or offspring.

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Differential equation

A differential equation is a mathematical equation that relates some function with its derivatives.

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Ecological niche

In ecology, a niche (CanE, or) is the fit of a species living under specific environmental conditions.

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Ecology

Ecology (from οἶκος, "house", or "environment"; -λογία, "study of") is the branch of biology which studies the interactions among organisms and their environment.

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Economics

Economics is the social science that studies the production, distribution, and consumption of goods and services.

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Ecosystem model

An ecosystem model is an abstract, usually mathematical, representation of an ecological system (ranging in scale from an individual population, to an ecological community, or even an entire biome), which is studied to better understand the real system.

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Eel River (California)

The Eel River (Cahto: Taanchow) is a major river, about long, of northwestern California.

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Effective population size

The effective population size is "the number of individuals in a population who contribute offspring to the next generation," or all the breeding adults in that population.

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Evolution in Mendelian Populations

Evolution in Mendelian Populations is a lengthy 1931 scientific paper on evolution by the American population geneticist Sewall Wright.

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Expected value

In probability theory, the expected value of a random variable, intuitively, is the long-run average value of repetitions of the experiment it represents.

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Fedor Baranov

Fedor Ilyich Baranov (Russian: Фёдор Ильич Баранов) (1 April 1886 – 30 July 1965) was a founder of fisheries science, and has been called the "grandfather of fisheries population dynamics".

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Fish

Fish are gill-bearing aquatic craniate animals that lack limbs with digits.

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Fish farming

Fish farming or pisciculture involves raising fish commercially in tanks or enclosures such as fish ponds, usually for food.

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Fish mortality

Fish mortality is a parameter used in fisheries population dynamics to account for the loss of fish in a fish stock through death.

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Fish stock

Fish stocks are subpopulations of a particular species of fish, for which intrinsic parameters (growth, recruitment, mortality and fishing mortality) are traditionally regarded as the significant factors determining the stock's population dynamics, while extrinsic factors (immigration and emigration) are traditionally ignored.

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Fisheries science

Fisheries science is the academic discipline of managing and understanding fisheries.

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Fishery

Generally, a fishery is an entity engaged in raising or harvesting fish which is determined by some authority to be a fishery.

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Food chain

A food chain is a linear network of links in a food web starting from producer organisms (such as grass or trees which use radiation from the Sun to make their food) and ending at apex predator species (like grizzly bears or killer whales), detritivores (like earthworms or woodlice), or decomposer species (such as fungi or bacteria).

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Forage fish

Forage fish, also called prey fish or bait fish, are small pelagic fish which are preyed on by larger predators for food.

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Fresh water

Fresh water (or freshwater) is any naturally occurring water except seawater and brackish water.

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Genetic drift

Genetic drift (also known as allelic drift or the Sewall Wright effect) is the change in the frequency of an existing gene variant (allele) in a population due to random sampling of organisms.

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Genetics (journal)

Genetics is a monthly scientific journal publishing investigations bearing on heredity, genetics, biochemistry and molecular biology.

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Habitat fragmentation

Habitat fragmentation describes the emergence of discontinuities (fragmentation) in an organism's preferred environment (habitat), causing population fragmentation and ecosystem decay.

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Herbivore

A herbivore is an animal anatomically and physiologically adapted to eating plant material, for example foliage, for the main component of its diet.

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Huffaker's mite experiment

In 1958, Carl B. Huffaker, an ecologist and agricultural entomologist at the University of California, Berkeley, did a series of experiments with predatory and herbivorous mite species to investigate predator–prey population dynamics.

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Hunting

Hunting is the practice of killing or trapping animals, or pursuing or tracking them with the intent of doing so.

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Idealised population

In population genetics an idealised population is one that can be described using a number of simplifying assumptions.

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Inbreeding

Inbreeding is the production of offspring from the mating or breeding of individuals or organisms that are closely related genetically.

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Insect

Insects or Insecta (from Latin insectum) are hexapod invertebrates and the largest group within the arthropod phylum.

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Kelp

Kelps are large brown algae seaweeds that make up the order Laminariales.

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Kelp forest

Kelp forests are underwater areas with a high density of kelp.

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Lake

A lake is an area filled with water, localized in a basin, that is surrounded by land, apart from any river or other outlet that serves to feed or drain the lake.

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Local extinction

Local extinction or extirpation is the condition of a species (or other taxon) that ceases to exist in the chosen geographic area of study, though it still exists elsewhere.

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Logistic function

A logistic function or logistic curve is a common "S" shape (sigmoid curve), with equation: where.

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Ludwig von Bertalanffy

Karl Ludwig von Bertalanffy (19 September 1901 – 12 June 1972) was an Austrian biologist known as one of the founders of general systems theory (GST).

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Malthusian growth model

A Malthusian growth model, sometimes called a simple exponential growth model, is essentially exponential growth based on a constant rate.

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Marginalism

Marginalism is a theory of economics that attempts to explain the discrepancy in the value of goods and services by reference to their secondary, or marginal, utility.

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Matrix population models

Population models are used in population ecology to model the dynamics of wildlife or human populations.

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Maximum sustainable yield

In population ecology and economics, maximum sustainable yield or MSY is theoretically, the largest yield (or catch) that can be taken from a species' stock over an indefinite period.

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Mesopredator release hypothesis

The mesopredator release hypothesis is an ecological theory used to describe the interrelated population dynamics between apex predators and mesopredators within an ecosystem, such that a collapsing population of the former results in dramatically-increased populations of the latter.

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Midge

Midges are a group of insects that include many kinds of small flies.

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Milner Baily Schaefer

Milner Baily ("Benny") Schaefer was born in Cheyenne, Wyoming, in 1912 and died at the age of 57 in San Diego, California in 1970.

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Mortality rate

Mortality rate, or death rate, is a measure of the number of deaths (in general, or due to a specific cause) in a particular population, scaled to the size of that population, per unit of time.

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Nonlinear system

In mathematics and science, a nonlinear system is a system in which the change of the output is not proportional to the change of the input.

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Normal distribution

In probability theory, the normal (or Gaussian or Gauss or Laplace–Gauss) distribution is a very common continuous probability distribution.

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Optimum sustainable yield

In population ecology and economics, optimum sustainable yield is the level of effort (LOE) that maximizes the difference between total revenue and total cost.

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Organism

In biology, an organism (from Greek: ὀργανισμός, organismos) is any individual entity that exhibits the properties of life.

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Otolith

An otolith (ὠτο-, ōto- ear + λῐ́θος, líthos, a stone), also called statoconium or otoconium or statolith, is a calcium carbonate structure in the saccule or utricle of the inner ear, specifically in the vestibular system of vertebrates.

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Overexploitation

Overexploitation, also called overharvesting, refers to harvesting a renewable resource to the point of diminishing returns.

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Overfishing

Overfishing is the removal of a species of fish from a body of water at a rate that the species cannot replenish in time, resulting in those species either becoming depleted or very underpopulated in that given area.

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Overpopulation

Overpopulation occurs when a species' population exceeds the carrying capacity of its ecological niche.

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Pacific Ocean

The Pacific Ocean is the largest and deepest of Earth's oceanic divisions.

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Peter Turchin

Peter Valentinovich Turchin (Пётр Валенти́нович Турчи́н; born 1957) is a Russian-American scientist, specializing in cultural evolution and "cliodynamics" — mathematical modeling and statistical analysis of the dynamics of historical societies.

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Phytoplankton

Phytoplankton are the autotrophic (self-feeding) components of the plankton community and a key part of oceans, seas and freshwater basin ecosystems.

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Pierre François Verhulst

Pierre François Verhulst (28 October 1804, Brussels – 15 February 1849, Brussels) was a mathematician and a doctor in number theory from the University of Ghent in 1825.

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Piscivore

A piscivore is a carnivorous animal that eats primarily fish.

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Population

In biology, a population is all the organisms of the same group or species, which live in a particular geographical area, and have the capability of interbreeding.

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Population bottleneck

A population bottleneck or genetic bottleneck is a sharp reduction in the size of a population due to environmental events (such as earthquakes, floods, fires, disease, or droughts) or human activities (such as genocide).

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Population dynamics

Population dynamics is the branch of life sciences that studies the size and age composition of populations as dynamical systems, and the biological and environmental processes driving them (such as birth and death rates, and by immigration and emigration).

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Population ecology

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

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Population genetics

Population genetics is a subfield of genetics that deals with genetic differences within and between populations, and is a part of evolutionary biology.

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Population model

A population model is a type of mathematical model that is applied to the study of population dynamics.

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Population size

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

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Population viability analysis

Population viability analysis (PVA) is a species-specific method of risk assessment frequently used in conservation biology.

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Predation

Predation is a biological interaction where a predator (a hunting animal) kills and eats its prey (the organism that is attacked).

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Rainbow trout

The rainbow trout (Oncorhynchus mykiss) is a trout and species of salmonid native to cold-water tributaries of the Pacific Ocean in Asia and North America.

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Ransom A. Myers

Ransom Aldrich "Ram" Myers, Jr. (13 June 1952 – 27 March 2007) was a world-renowned American marine biologist and conservationist.

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Recreational fishing

Recreational fishing, also called sport fishing, is fishing for pleasure or competition.

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Resource rent

In economics, rent is a surplus value after all costs and normal returns have been accounted for, i.e. the difference between the price at which an output from a resource can be sold and its respective extraction and production costs, including normal return.

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Richard Levins

Richard "Dick" Levins (June 1, 1930 – January 19, 2016) was an ex-tropical farmer turned ecologist, a population geneticist, biomathematician, mathematical ecologist, and philosopher of science who had researched diversity in human populations.

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Ricker model

The Ricker model, named after Bill Ricker, is a classic discrete population model which gives the expected number N t+1 (or density) of individuals in generation t + 1 as a function of the number of individuals in the previous generation, Here r is interpreted as an intrinsic growth rate and k as the carrying capacity of the environment.

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Sampling (statistics)

In statistics, quality assurance, and survey methodology, sampling is the selection of a subset (a statistical sample) of individuals from within a statistical population to estimate characteristics of the whole population.

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Science (journal)

Science, also widely referred to as Science Magazine, is the peer-reviewed academic journal of the American Association for the Advancement of Science (AAAS) and one of the world's top academic journals.

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Sea otter

The sea otter (Enhydra lutris) is a marine mammal native to the coasts of the northern and eastern North Pacific Ocean.

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Sea urchin

Sea urchins or urchins are typically spiny, globular animals, echinoderms in the class Echinoidea.

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Sewall Wright

Sewall Green Wright (December 21, 1889March 3, 1988) was an American geneticist known for his influential work on evolutionary theory and also for his work on path analysis.

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Small population size

Small populations can behave differently from larger populations.

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Spawn (biology)

Spawn is the eggs and sperm released or deposited into water by aquatic animals.

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Species

In biology, a species is the basic unit of classification and a taxonomic rank, as well as a unit of biodiversity, but it has proven difficult to find a satisfactory definition.

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Stochastic

The word stochastic is an adjective in English that describes something that was randomly determined.

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Sustainable yield in fisheries

The sustainable yield of natural capital is the ecological yield that can be extracted without reducing the base of capital itself, i.e. the surplus required to maintain ecosystem services at the same or increasing level over time.

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Systems biology

Systems biology is the computational and mathematical modeling of complex biological systems.

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Thomas Robert Malthus

Thomas Robert Malthus (13 February 1766 – 23 December 1834) was an English cleric and scholar, influential in the fields of political economy and demography.

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Tragedy of the commons

The tragedy of the commons is a term used in social science to describe a situation in a shared-resource system where individual users acting independently according to their own self-interest behave contrary to the common good of all users by depleting or spoiling that resource through their collective action.

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Triggerfish

Triggerfishes are about 40 species of often brightly colored fish of the family Balistidae.

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Trophic level

The trophic level of an organism is the position it occupies in a food chain.

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Victor Albert Bailey

Victor Albert Bailey (18 December 1895 – 7 December 1964) was a British-Australian physicist.

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Vito Volterra

Vito Volterra (3 May 1860 – 11 October 1940) was an Italian mathematician and physicist, known for his contributions to mathematical biology and integral equations, being one of the founders of functional analysis.

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Wild fisheries

A fishery is an area with an associated fish or aquatic population which is harvested for its commercial value.

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Zooplankton

Zooplankton are heterotrophic (sometimes detritivorous) plankton.

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Redirects here:

Fisheries population dynamics, Population dynamics and fisheries, The population dynamics of fisheries.

References

[1] https://en.wikipedia.org/wiki/Population_dynamics_of_fisheries

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