Biodiversity within a community Flashcards
1
Q
why is it more useful to calculate a species diversity index rather than recording species richness
A
the diversity index takes into account the population (number of individuals) of each species whereas species richness only counts the number of different species
2
Q
what does Biodiversity mean?
A
a term used to describe the number and variety of living organisms in a particular area
3
Q
what does Species Richness mean?
A
the number of different species in a community
4
Q
what is the Index of Diversity and how to calculate?
A
the number of different species and the number of individuals of each species within an area
5
Q
what causes the reduction of biodiversity?
A
Deforestation and farming practices lead to:
- decrease in variety of plant species
- decrease in the number and variety of habitats
- decrease in the variety of food sources
- decrease in animal diversity due to the factors above
