24
Sep
The finding has implications that could ripple up to affect nearly all of marine life the researchers say. As our population approaches 7 billion people the effects of human activities on the ecosystem including the water air land and the life that we share the world with are almost immeasurable.
For example Hall et al.
How could human activities affect planktonic communities. Nevertheless impacts of human activities in embayments have been observed in other studies. For example Hall et al. 2003 reported greater nutrient concentration TP and algal biomass chlorophyll a concentrations in embayments compared to near-shore and off-shore locations in Lake Ontario Canada.
Either way humans may feel the effects down the food web. Less plankton makes for less food for fish and less fish for us. Researchers at two UK universities reported earlier this month that they had found that rising temperatures in the oceans would affect plankton development upsetting the natural cycles of carbon.
It might be possible to increase the oceans uptake of carbon dioxide generated through human activities by increasing plankton production through seeding primarily with the micronutrient iron. However this technique may not be practical at a large scale. The hydrodynamics play actually a great role in plankton communities with high resuspension of tychopelagic forms during flood time.
How to perform such preliminary results. The most marshes of the world and specially in Europe are affected by human activity such as artificial replenishment urbanization and catchment basin size. Plankton are under threat from a variety of human activities and scientists are finding that they are not faring well.
As oceans warm and man continues to dump pollution of all kinds into our. 1 estimated impacts on the oceans from a range of human activities in-cluding various methods of fishing that are among the most important factors affecting the ecological state. The plankton community makes up the base of the marine food web ie.
Primary producers decomposers and primary consumers and plays a pivotal role in global biogeochemical cycles. Any change in the plankton community structure caused by global change may thus cause indirect effect to cycling of organic matter eg. Biological carbon pump and trophic transfer.
Human activities affect the environment by contributing to air pollution or the emission of harmful substances into the air. While it can be difficult to understand which pollutants are associated with specific effects on the environment or public health it is generally accepted that air pollution can indeed cause public health problems and also harm plant and animal life. As our population approaches 7 billion people the effects of human activities on the ecosystem including the water air land and the life that we share the world with are almost immeasurable.
Humans pollute the land water and air with unwanted refuse. Almost 24 billion people dont have access to clean water. Pollution has increased very much at present.
It is caused by the human activities and it is destroying the environment. It has affected almost every country in the world. There is trash everywhere.
People have no idea how to recycle. However they are continuously using plastic. Global warming is the best example of our irresponsibility.
How can human activities affect the frequency and impact of natural disasters. All the examples depicted above show that the reason was human activity be it faulty levees system or incogitant deforestation. Saved vegetation well-thought-out draining systems in the settlements.
The distribution community structure and variation of plankton are clearly influenced by the combination and interactions between physical chemical and biological factors presented in a water body Sabo et al. Lancelot and Muylaert 2011 such as rainfall temperature light and water discharge Wehr and Descy 1998. Given the extreme impacts caused by tropical cyclones though understanding the possibility of more intense storms in the future as our climate changes is critical.
Adam and his colleague Suzana Camargo wanted to add to our understanding of the impact on tropical cyclones from another side effect of burning fossil fuels aerosols particles tiny enough to float in. The overall effect of human activities on climate has been a warm-ing influence. The human impact on climate during this era greatly exceeds that due to known changes in natural processes such as solar changes and volcanic eruptions.
Human activities result in emissions of four principal green-house gases. Every sea creature from clownfish to whales ultimately depend on plankton for food. Now a new study that peers into a past before human influence shows climate change has upset the distribution of plankton across the globe.
The finding has implications that could ripple up to affect nearly all of marine life the researchers say. The marine food chain for instance is essential for oceans - and depends on plankton. But environmental changes and human activities may be threatening plankton -.
Result in an altered plankton community and that this change will likely degrade the socioeconomic return from the estuary and coast by decreasing yield of harvestable species and altering the human life styles dependent on those. It is also probable that HABs will increase in magnitude duration and distribution and that there will be. Among the ideas.
Releasing sulfate particles in the air to mimic the cooling effects of a massive volcanic eruption. Placing millions of small mirrors or lenses in space to deflect sunlight.