As such, these climates support very low biodiversity. On some tropical coral reefs, for example, there can be 1,000 species per m². Oceans & Clean Water. continental shelf. Using this classification, aquatic biomes cover an immense area and therefore a very large number of species. Thus, the aquatic or marine biome would have the greatest diversity in a large part due to the size of this biome. Many deep-sea animals, such as corals and sponges, are sessile, meaning they spend most of their lives permanently attached to rocks. Almost 300 bird species have been observed at the Dixon Waterfowl Refuge in north-central Illinois, while the restored wetland–prairie landscape at Midewin National Tallgrass Prairie near Joliet supports some species found almost nowhere else, including federally endangered leafy prairie-clover. A marine protected area is. Plastic accumulating in our oceans and on our beaches has become a global crisis. As opposed to a flat seafloor, seamounts rise off the ocean bottom and interact with water flowing around them. At current rates plastic is expected to outweigh all the fish in the sea by 2050. Our oceans comprise almost three quarters of the surface of the earth. Introduction. In freshwater, these are mainly plants, phytoplankton and zooplankton. Billions of pounds of plastic can be found in swirling convergences that make up about 40 percent of the world's ocean surfaces. A new study took a deep dive into critical aspects of ocean life to identify the areas of the high seas most worthy of conservation effort. Written By Dr. Steven Katona, Managing Director, Ocean Health Index Dr. Bruce Robison may have the best job in the world! Ocean acidification may render most regions of the ocean inhospitable to coral reefs, affecting tourism, food security, shoreline protection, and biodiversity. ... Oceans have a high heat capacity and change temperature slowly. High biodiversity means that many different species live within one ecosystem. The Top 10 Ocean Biodiversity Hotspots to Protect. Biodiversity of the oceans. However, if we look only at terrestrial biomes, tropical rainforests have the greatest biodiversity. We were able to categorize 12 434 marine species (more than 99% of all marine percomorphs) as present or absent in each region. On the other extreme, moist, tropical zones like the Amazon rainforest support some of the highest levels of biodiversity in the world. Most data were from the Ocean Biogeographic Information System (OBIS) , augmented using the Global Biodiversity Information Facility (GBIF) and FishBase when needed. Plants and animals have as much difficulty surviving in the thin atmosphere on freezing mountain tops as they do living in hot, waterless deserts. "The World Ocean (Oceanosphere) contains on the order of 1,340.7 million km3 of water, making up 1/800th of the total volume of the Earth (1,083.3 billion km3). What portion of the ocean contains the highest biodiversity and the greatest productivity? Also, like the open ocean, a lake's biodiversity starts with primary producers. ... also have high biodiversity. Two of TWI’s restoration sites are particularly well known for their high level of biodiversity. Narrow niches tend to reduce the extent of overlap and therefore reduce interspecific competition. Most of the productivity of the ocean occurs in (on) the _____. Each species of organism has its own niche within the ecosystem; if niches overlap, one species will die out as a result of interspecific competition. Alternatively, the volume of fresh water is … Coral reefs are the nurseries of the oceans, they are biodiversity hot spots. May 21, 2020 - by Tara Lohan