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There is also a lack of communication with neighboring countries bordering the Caspian Sea. The Absheron Peninsula, which meets the Caspian Sea and where the capital Baku is located, is the ecologically most devastated area in the world due to oil spills and widespread use of toxic agrochemicals, including DDT. [2] [3]
The Parties also undertake to ensure the protection, preservation, restoration and rational use of marine biological resources in the Caspian Sea; strive to maintain or restore populations of marine species at levels that can produce the maximum sustainable yield; prevent over-exploitation of marine resources and protect endemic, rare and ...
The Caspian Sea is the world's largest inland body of water, described as the world's largest lake and usually referred to as a full-fledged sea. [2] [3] [4] An endorheic basin, it lies between Europe and Asia: east of the Caucasus, west of the broad steppe of Central Asia, south of the fertile plains of Southern Russia in Eastern Europe, and north of the mountainous Iranian Plateau.
The Caspian's water levels, which have fluctuated sharply during the last century, have been falling since the mid 1990s, scientific studies have found. ... discussed with Russian President ...
The depression is also home to many insect species, with several thousand different species likely living in the region around the Caspian Sea. Studies have shown that water pollution, mostly coming from the Volga River, poses a serious threat to the biodiversity of the Caspian Depression. Water pollution is contributed mainly by industrial ...
Between 1993 and 2018, the mean sea level has risen across most of the world ocean (blue colors). [71] Coastal ecosystems are facing further changes because of rising sea levels. Some ecosystems can move inland with the high-water mark, but others are prevented from migrating due to natural or artificial barriers.
Anoxia is quite common in muddy ocean bottoms where there are both high amounts of organic matter and low levels of inflow of oxygenated water through the sediment. Below a few centimeters from the surface the interstitial water (water between sediment) is oxygen free.
While marine pollution can be obvious, as with the marine debris shown above, it is often the pollutants that cannot be seen that cause most harm.. Marine pollution occurs when substances used or spread by humans, such as industrial, agricultural and residential waste, particles, noise, excess carbon dioxide or invasive organisms enter the ocean and cause harmful effects there.