This preview shows pages 1–13. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentThis preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: " N t = RN t K # N t K $ % & ( ) Change in population size " # $ % & = the potential rate of population growth " # $ $ $ % & the number of individuals, N " # $ $ $ % & the unutilized opportunity for population growth " # $ $ $ % & The Logistic Equation N is near zero: K " N t K is close to 1, indicating that most resources are underutilized GROW GROW N is near K : is close to 0, indicating that most resources are utilized SLOW DOWN SLOW DOWN N is above K : is close to 1, indicating that most resources are overutilized DROP DROP " N t = RN t K # N t K $ % & ( ) K " N t K K " N t K Selfthinning curve Imagine that instead of low density allowing high fecundity and survivorship, it caused a DECREASE in these rates. Population Size ( N ) Survivorship Regular density dependence Inverse density dependence or Allee Effect...
View
Full
Document
This note was uploaded on 08/18/2011 for the course ECOLOGY 351 taught by Professor Staff during the Spring '11 term at Rutgers.
 Spring '11
 Staff
 Ecology, Population Ecology

Click to edit the document details