Can you please tell me the effects of human activities on ecosystems. Example Human Activity and Consequences....

We've mowed down the tall grass and cut a lot of trees to plant food crops. We've disturbed habitats by building homes and business buildings. We've paved over good land for roads and parking lots. We've spewed pollutants in the air, killing some vegetation and animals.

Here's a lot more information.

http://www.ehow.com/facts_5479886_effects-human-activities-ecosystem.html

http://www.livestrong.com/article/272608-the-impact-of-human-activity-on-the-ecosystem/

Certainly! Human activities have both direct and indirect effects on ecosystems, often resulting in significant consequences for the environment. Here are a few examples:

1. Deforestation: The clearing of forests for agriculture, logging, or urban development leads to habitat loss and degradation. This disrupts the delicate balance of ecosystems, resulting in the extinction of plant and animal species, imbalanced food chains, and changes in local climate patterns.

2. Pollution: Industrial activities, agriculture, and improper waste disposal contribute to pollution of air, water, and soil. Air pollution from factories and vehicles can harm the health of both animals and humans, while water pollution, due to the release of toxic chemicals or excessive nutrients into water bodies, causes eutrophication and the death of aquatic organisms.

3. Overfishing: Excessive fishing and unsustainable practices, such as using destructive fishing methods or catching juvenile fish, deplete fish populations. This disrupts the food chain, affecting not only fish populations but dependent species as well. It can lead to the collapse of fisheries, impacting local economies and livelihoods.

4. Urbanization: Rapid urban development often involves the conversion of natural habitats into concrete landscapes. This destroys the habitats of many species, leading to population declines or even extinction. Additionally, urban areas create "urban heat islands" and alter water drainage patterns, affecting local climate and ecosystems.

5. Climate change: Human-induced climate change, primarily caused by the burning of fossil fuels and deforestation, has profound consequences for ecosystems. It leads to rising temperatures, sea-level rise, altered rainfall patterns, and changes in habitats. These can result in shifts in species distributions, loss of biodiversity, and increased vulnerability to extreme weather events.

To find more specific examples and detailed information on the effects of human activities on ecosystems, you can refer to scientific research papers, books, or reliable online sources such as academic journals, government reports, or reputable environmental organizations.