2.3: Island Biogeography & 2.4: Ecological Tolerance

The highest species richness will be found on

large islands near the mainland.

The lowest species richness will be found on

small island far from the mainland.

Island Biogeography

study of ecological relationships & distribution of organisms on islands & community structure.

How do species get to islands

with the help of humans, animals, land bridges, ocean currents, and stepping stones.

Ecotones

regions of different physical areas that serve as boundaries between different communities.

Edge Effects

the different physical makeup of an ecotone that creates different conditions that either attract or repel certain species.

SLOSS (Single Large or Several Small)

debate about how nature should be preserved and the need to set aside land to preserve nature.

Ecological Tolerance

the range of conditions such as temperature, salinity, flow rate, & sunlight that an organism can endure before injury or death.