disruptions to ecosystems

disruptions

natural disasters, species extinction, climate change, loss of habitat, invasive species

in response to change, ecosystems will

adapt, move, disappear

2 forms of diversity

biodiversity and population diversity

biodiversity

ecosystems with more biodiversity are more resistant to disruptions

population diversity

species with more genetic diversity are better able to adapt to ecosystem disruptions

succession

a series of progressive changes in which the species that makes up a community changes over time

primary succession

when a newly formed area is colonized for the first time, pioneer species

secondary succession

when an area that was previously occupied by living things is disturbed

invasive species

a species that has been introduced to an area outside of its native range

human mediated biodiversity loss

land use change, pollution (pollutants become more concentrated at higher trophic levels), introduced invasive species, resource exploitation, climate change