BiodiversityCrisisLEC38 Flashcards
how many glaciers are still here today?
26
how many inches the sea level has already risen in the past century
8 inches
*Maldives have meeting underwater
keys to minimizing climate changes
–Reduced use of fossil fuels
–Increased energy efficiency
–Increased reliance on renewable energy
how many square miles of Southern Louisiana’s wetlands are we losing each year?
30 square miles per year
*currently losing 2 football fields of land per hour
Introduced species
species moved by humans disrupting communities
Conservation biologists
seek to counteract new mass extinction
Overexploitation
ex. reductions in many game fish, like redfish
human harvesting too fast for a species to recover
keystone species
major species that greatly contribute to its communities
Habitat corridors
narrow strips of habitat connecting isolated patches
Restoration ecology
uses ecological principles to restore degraded ecosystems
Biological augmentation
uses organisms to improve a degraded ecosystem
Ecosystem services
the ways that natural ecosystems help sustain humans
environment’s carrying capacity
the maximum population size the environment can support