Case Studies
Where were the 2 case studies conducted?
North Thailand and Mexico City
Is fragmentation beneficial to the habitat being affected?
No
What habitat is most commonly effected by fragmentation?
Forests
Does fragmentation happen more naturally or through human impact?
Human impact
Not really
In North Thailand, what was the result of prolonged fragmentation?
Lowered populations of native birds
What is it called when a species becomes separated due to fragmentation?
Isolation
What is the main characterization of fragmentation?
Isolated patches of habitat
Are the effects of fragmentation getting better or worse?
Worse
What was step 1 to enhance conservation?
Protecting and increasing the amount of habitat
What was the main cause for fragmentation in the University study?
Urbanization
What is the major impact of fragmentation on animal communities?
Loss in biodiversity
Edge-Effects
It is estimated that there will be an additional 15.5 million miles of road by what year?
2050
What was step 2 to enhance conservation?
Improving habitat quality
What percent decrease in the North Thailand forest area was found over the 50 year period due to fragmentation?
50% decrease
What main ecosystem topic that we learned is affected by fragmentation?
Ecological balance
What is the unnatural effect on animal movement from habitat fragmentation?
Edge effects causing impaired migration
Name at least 3 of the 4 main human causes for fragmentation.
Logging, Agriculture, Construction/roads, urbanization
What was step 3 to enhance conservation?
Increasing connectivity
In the National autonomous university of mexico study, less than what percentage of urban land cover resulted in greatest biodiversity engagement?
<40%
What percentage of forest is less than 1km away from the forests edge and is in danger of fragmentation?
70%
What is the unnatural effect on relationships between animals from fragmentation?
Increased competition
In North Thailand, what technique was used as the main way for chopping trees which led to the fragmentation?
Slash and Burn technique
What was step 4 to enhance conservation?
managing disturbance processes in the wider landscape