- All grasslands have in common:
- A climate characterized by high
rates of evaporation.
- Periodic severe droughts.
- rolling to flat terrain.
- Animal life that is dominated
by grazing and burrowing species
- Grasslands are dominated by
grasses, members of the family Poaceae (aka Gramineae).
- Has more than 10,000 domesticated
and wild species.
- Is the 5th largest plant family.
- Poaceae live in other habitats
- Domestication of the following
poaceous cereal crops lies at the foundation of sedentary living and
civilization around the world:
- maize (corn)
- Bunchgrass form clumps by the
erect growth of all the culms.
- They spread at the base by shoots
that develop from underground stems (tillering).
- Sod-forming grasses spread by
- Some grasses may be either sod or
bunch depending on the local environment.
- Grasses are also categorized as:
- cool season: put on
growth in the spring and go dormant in summer.
- warm season: put on most
growth and flower in summer.
- Associated with grasses are a
variety of forbs.
- Forbs are flowering plants
that are not grasses, sedges or rushes.
- Example forbs include: