Why have frequent small controlled-burn wildfires not helped to maintain chaparral ecosystems?

A.Seeds of chaparral shrubs need a large accumulation of leaf litter in order to sprout.

B.Fire destroys the seeds of many types of chaparral shrubs.

C.The heat from forest fires destroys the roots of chaparral plants.

D.Burnt ground encourages the growth of grasses, which compete with shrubs for nutrients.

Respuesta :

Burnt ground encourages the growth of grasses, which compete with shrubs for nutrients.i.e, option D.

What is chaparral ecosystem?

Chaparral, scrubland plant communities composed of broad-leaved evergreen shrubs, bushes, and small trees usually less than 2.5 metres (about 8 feet) tall—the characteristic vegetation of coastal and inland mountain areas of southwestern North America.

Chaparral vegetation is well adapted to fire and regenerates readily after fire, either through sprouting from stem bases (lignotubers) or from soil-stored seed.

Although mature chaparral consists mainly of shrubs, herbaceous plants are the dominant vegetation during the first few years after fire.

Learn more about chaparral vegetation here:

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