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 61
... axis and age ( x ) on the x axis . The points on this graph are connected to form a survivorship curve . The slope of this curve at any point is In [ g ( x ) ] . Therefore , if the survivorship curve forms a straight line , the ...
... axis and age ( x ) on the x axis . The points on this graph are connected to form a survivorship curve . The slope of this curve at any point is In [ g ( x ) ] . Therefore , if the survivorship curve forms a straight line , the ...
Page 116
... axis and the abundance of species 2 can be read from the y axis . If our point falls on the x axis , then only species 1 is present and the abundance of species 2 is zero . For points on the y axis , only species 2 is pre- sent . So ...
... axis and the abundance of species 2 can be read from the y axis . If our point falls on the x axis , then only species 1 is present and the abundance of species 2 is zero . For points on the y axis , only species 2 is pre- sent . So ...
Page 119
... axis . When you work with state - space graphs , pay close attention to which species ' isocline you are plotting ... axis at a value of K2 and intersects the x axis at a value of K2 / B . The first case is one in which species 1 is ...
... axis . When you work with state - space graphs , pay close attention to which species ' isocline you are plotting ... axis at a value of K2 and intersects the x axis at a value of K2 / B . The first case is one in which species 1 is ...
Contents
Logistic Population Growth Expens | 27 |
AgeStructured Population Growth | 55 |
MODEL PRESENTATION AND PREDICTIONS | 90 |
Copyright | |
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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