What would happen to the plants and animals living in an ecosystem if a drought were to occur or if a stream or river was blocked?
Answers
Answer:
Droughts of the future will be hotter, longer-lasting, and larger than droughts of the past. Drought can lead to increases in wildfire and insect outbreaks, local species extinctions, forest diebacks, and altered rates of carbon, nutrient, and water cycling – all of which can have real consequences for ecosystems and human communities alike.
Answer:
The disasters like drought can actually lead to the destruction of the ecosystem along with the destruction of habitats of animals as they will be killed themselves and even the herbs will be exploited.
Explanation:
Drought can lead to increases in wildfire and insect outbreaks, local species extinctions, forest diebacks, and altered rates of carbon, nutrient, and water cycling – all of which can have real consequences for ecosystems and human communities alike.
Without adequate water, biological processes, such as photosynthesis, are greatly reduced. Reduced photosynthesis means reduced plant growth, including root growth. ... Besides the direct effects of drought, a plant under stress becomes more susceptible to insect and disease problems that can attack a weakened plant.
With streams, drought causes loss of water volume, loss of habitat and disruption of connectivity, and if drying persists cease-to-flow can occur, usually breaking the stream up into a series of pools. ... With habitat loss or the stress of drying, some sub-dominant species may temporarily become dominant.
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