What Would Happen to the Carrying Capacity?

What Would Happen to the Carrying Capacity of the Ecosystem, and Why?

A volcano covers an area with 2 feet of lava.

Heavy rains cause a mudslide that destroys the plant life in a mountainous area.

A hurricane destroys the bayou where sawgrass grows, which many insects eat.

A company buys an area of forest and decides to cut down the trees and bushes to build a new neighborhood.

PLZZ HELP THIS IS DUE SOON​