0
Man affects habitats as a result of two basic factors: human population growth and industrialisation. These lead to an increasing demand for food and raw materials, both of which are obtained from the natural environment. Obtaining these degrades habitats through five processes:
- · Over-harvesting: This is the removal of an organism faster than it can naturally replace itself. For example, the collapse of the Newfoundland cod fishery through over-fishing.
- Alien introductions: the deliberate or accidental introduction of new species to a habitat. This can lead to the reduction or elimination of native species. For example, the spread of Dutch elm disease has devastated elms in Europe.
- Pollution: the release of harmful substances into the environment eg global warming caused by increasing carbon dioxide levels in the atmosphere
- Habitat fragmentation: the break-up of natural habitats into smaller areas. The species in these smaller areas are more likely to become extinct
- Habitat destruction: this is the complete loss of natural habitat, and is one of the biggest dangers to wildlife
What else can I help you with?
Which habitat man made or natural?
a burrow is a naturall habitat and there are no man made except for a humans which is a house.
What are threats to emus?
The greatest threat to emus is Man. Man degrades the environment and causes habitat loss, and introduces non-native animals such as cats, wild dogs and foxes, which attack juvenile emus. Emus can outrun dogs and dingoes, but the young emus are quite defenceless. Young emus are also subject to predation by goannas and eagles, while lizards eat emu eggs.
Which is a man-made aquatic habitat?
dk
A small saclike structure that degrades waste products is?
Lysosome is the small structure that degrades waste products. This is because Lysosome is not chemistry.
Is habitat loss natural or man-made?
I believe it could be both. A natural loss of habitat may be caused by flooding or a forest fire for instance. - A man made loss of habitat could be caused by building a highway or cutting down a forest.
What is the biggest habitat known to man-kind?
The deep oceans are the largest single habitat of any eco-system.
Is habitat loss man made or natural?
I believe it could be both. A natural loss of habitat may be caused by flooding or a forest fire for instance. - A man made loss of habitat could be caused by building a highway or cutting down a forest.
Is loss of habitat man made or natural?
I believe it could be both. A natural loss of habitat may be caused by flooding or a forest fire for instance. - A man made loss of habitat could be caused by building a highway or cutting down a forest.
Is there habitat being destroyed by man?
no there are just helping them get better
How long does DNA in hair last before it degrades?
DNA in hair can last for centuries before it degrades, as hair is a durable source of genetic material.
When a signal degrades as it runs through a wire you have?
Attenuation.
What are Giant Pandas enemies?
Only Man and mainly by habitat destruction.
