Invasive species
5 important questions on Invasive species
What is an invasive species?
- Economic harm
- Environmental harm
- Harm to human health.
What are the characteristics of invasive species?
- They cause damage in their native range
- Ecological flexibility
- High fecundity
- High longevity
What are the 3 hypotheses on why invasive species are successful?
- Better environmental attributes, such as increased resources
- Fewer or poorer competitors
- Release from natural enemies, such as predators and parasites.
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What are the measures for control of invasive species?
- High ecological benefits
- Is it possible?
- Resistance by the general public?
- Hunting
- Poisoning
- Trapping
- Introduction of diseases
- Fertility control
What are the 2 main categories of the GISS and the 6 sub categories for each of them?
- On plant or vegetation
- On animals through predation, parasitism or intoxication
- On species through competition
- On native species through transmission of diseases or parasites
- Through hybridization
- On ecosystems
Socio-economic impacts:
- On agricultural production
- On animal production
- On forestry production
- On human infrastructure
- On human health
- On human social life
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