A Primer of EcologyWith the aim of teaching students the essential models in population and community ecology, this book explains in detail the basic concepts of exponential and logistic population growth, age-structured demography, metapopulation dynamics, competition, predation and island biogeography. |
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Page 164
... parasite load on ( a ) the winter mortality , ( b ) egg mortality , and ( c ) chick losses of red grouse ( Lagopus lagopus scoticus ) . The x axis is the average parasite load ( worms per host ) , and the y axis is the proportional ...
... parasite load on ( a ) the winter mortality , ( b ) egg mortality , and ( c ) chick losses of red grouse ( Lagopus lagopus scoticus ) . The x axis is the average parasite load ( worms per host ) , and the y axis is the proportional ...
Page 165
... parasite popu- 10,000 Density of red grouse 10000 100 Mean parasite load 10 1 1978 1980 1982 1984 1986 1988 Year Figure 6.18 Changes in red grouse ( Lagopus lagopus scoticus ) density ( breeding hens per square kilometer ) and mean parasite ...
... parasite popu- 10,000 Density of red grouse 10000 100 Mean parasite load 10 1 1978 1980 1982 1984 1986 1988 Year Figure 6.18 Changes in red grouse ( Lagopus lagopus scoticus ) density ( breeding hens per square kilometer ) and mean parasite ...
Page 166
... parasite and host fecundity are not high enough , the parasite will go extinct , and the grouse population will rise to its carrying capacity . If the larval life of the parasite is relatively short , the grouse and parasite pop ...
... parasite and host fecundity are not high enough , the parasite will go extinct , and the grouse population will rise to its carrying capacity . If the larval life of the parasite is relatively short , the grouse and parasite pop ...
Contents
Logistic Population Growth Expens | 27 |
AgeStructured Population Growth | 55 |
MODEL PRESENTATION AND PREDICTIONS | 90 |
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Common terms and phrases
abundance age class age structure Allee effect allenbyi assumptions axis birth and death birth rate calculate carrying capacity Chapter coexistence colonization competition competitors constant death rate decrease density-dependent depends E. O. Wilson ecology Euler equation example exponential growth Expression extinction rate Figure fluctuations functional response habitat immigration rate interspecific competition isocline of species iteroparous K-selection K₁ K₂ large islands Leslie matrix logarithmic logistic growth logistic model Lotka-Volterra equations Lotka-Volterra model MacArthur-Wilson model mathematical maximum metapopulation metapopulation models N₁ N₂ number of individuals Number of predators number of species Number of victims offspring parasite passive sampling model patches persist population cycles population growth rate population sizes predator and victim predator isocline predator population primer rate of increase red grouse represents reproductive value rescue effect schedule source pool species richness species-area relationship survivorship survivorship curve tion turnover ulation victim density victim isocline victim population zero