However, by the beginning of the Frasnian, the seas began to change from calcite to aragonite and the water temperatures began to cool. This icehouse effect caused a drop in sea level, exposing the reefs. This event was devastating to the reef building corals. Throughout the rest of the ...
Present CO2 rise has an effect equivalent to a warming of 0.4掳C, more probably 1.2掳C. Hence CO2 rise appears as a main cause of reef bleaching. Given expected future CO2 levels, reefs must be considered in very great danger.Martin Pêcheux...
E. Chemicals from the poisons kill reefs or make them weak. F. Steps must be taken now to stop over-fishing and pollution of the oceans. G. When the algae die, the coral loses its color and it also dies in the end 点击展开完整题目 查看答案和解析>> 科目...
circulation patterns both within the Arctic ocean and,consequently, in the atmosphere will change. That will affect weather and climate phenomena, such as India’s monsoon season, thousands of miles to the south.3Where they differ is on just how large the effect will be and which processes are...
periods. Some researchers predict that the Red Sea region is entering a cooling phase. Therefore, researchers from Bar-Ilan University and Interuniversity Institute for Marine Science in Eilat conducted an experiment to investigate the effect of an unusually cold winter on corals from the Gulf of ...
Which of the following is NOT true about the Caribbean coral reefs? [ ] A. They are in Florida. B. They used to be very beautiful. C. They began dying in the past decades. D. The African microbes have bad effect on them.
We can use ___ to show cause-and-effect relations. A、because of B、due to C、owing to D、on account of 点击查看答案 第2题 A.requirement discovery B.business process redesign C.cause-and-effect analysis D.total quality management 点击查看答案 第3题 A.requirement discovery B.business ...
affected. According to many marine scientists and marine ecologists‚ unsustainable (overfishing) fishing is the greatest threat to the ocean ecosystems. For example‚ recent scientific studies suggest thatoverfishingof large shark species has had a rippleeffectin the shark’s food chain‚ ...
byNational University of Singapore Credit: Daniel Friess / National University of Singapore More than a decade ago, academics warned that mangrove forests were being lost faster than almost any other ecosystem, including coral reefs and tropical rainforests. But things are looking better. ...
1957: David Keeling discovers a regular year-on-year rise of CO2 levels in the atmosphere and Roger Revelle finds that CO2 produced by humans will not be readily absorbed by the oceans. 1960s: various scientists studying Venus, the polar ice cores, and coral reefs, make theories that the ...