Module 6 PC Flashcards
Anthropogenic
Causes/threats of biodiversity loss
An effect resulting form human activity
Natural Green house gases
Carbon dioxide
Methane
Water vapour
Main human activities for Greenhouse egases
CO2
HFC
CH4
CO2 is produced by
Burning fossil fuels, deforestation
HFCs is produced by
Aerosols, Refrigerants
CH4 is produced by
Organic waste, cattle, Fuel Production
Higher green house cages
Warmer the Earths surface
Effect of Coral Reefs
Coral reefs will disappear
Coral Bleaching
When corals are stressed by a change in environmental conditions
Reach with symbiotic algae called Zooxanthellae, are photosynthetic and provide host coral with food and protection for algae
High Phosphate levels lead to
Eutrophication and growth of nuisance algae
Hypoxia
Threating survival of lake / pond species
Eutrophication
Enrichment of minerals and nutrients in water
Deforestation is caused by
Demand for spaces for agriculture
Habitat Fragmentation
Effect of lodging and logging roads
Operating species in 2 different areas
hOW DO FIX HABITAT GRAGMENTATION
Bridges, Habitat corridors
Dodo
Killed by Sailors
Overexpolitation
Passenger pigeon
Overexploitation
Over hunted
Habitat destruction
Giant Tortoise
Hunted by pirates and habitat loss
Atlantic cod
Overexploitation
Overfishing
Super Trawlers
Type of fishing net method
Can catch 25 to 30 ton s
Argentinian ant
Invasive specie from Argentina
Introduced in USA
Decimated the native ant species in Cali
Low infraspecific ompetetion so forms large colonies
Red fox
Invasive species
Introduced in Aussie for hunting
Threatened ecosystem by killing natural wildlife
European Rabbit
invasive species
Serious pest causing damage to crops
Cane Tods
Its like the ginkgo
Introduced to eradicate cane beetle did not work
Killed many predatory reptiles
Tibbles the cat
1 cat ate all the birds
