Lecture 13 Flashcards
eg (unitary organism)
fish
eg (modular organism)
coral
a group of organism of the same species occupying a particular space a particular time
population
a measure of population size/ number of individuals per unit area
density
3 method assess population density
sessile organism: quadrat
mobile organism: capture-recapture method
sampling
4 factor of population growth rate
mortality=death, natality=birth, immigration, emigration
demographic techniques
life table
survivorship curve
static table
net reproduction rate/ Ro
intrinsic capacity for increase/ r
3 steps calculate intrinsic capacity for increase/ r
net reproductive rate: survivorship, fertility
generation time: mean btw birth and birth of offspring
intrinsic capacity for increase
r increase 3 situation
age at first reproduction decrease
number of progeny per reproductive event increase
number of reproductive event increase
grow exponentially 3 situation
initial stage of colonization
condition favorable
recover from negative environment