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Marine fertility: Researchers study how nutrients get to the bottom of the food web

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Credit: Public Domain CC0 Almost all marine life—fish, turtles, sharks, whales, and more—depends on marine food webs for survival. However, the foundation of this enormous flow of energy lies on the shoulders of the microscopic but mighty phytoplankton. Without essential nutrients such as phosphorus, the growth of these tiny floating marine plants is limited, and the effects of such restrictions flow through the ecosystem, impacting the abundance and diversity of marine creatures. A team of Florida State University and New Hampshire University researchers have published a new study looking at how one important source of the nutrient, dissolved organic phosphorus, is distributed across the global ocean surface where it is consumed by phytoplankton. The work was published today in Natural Geoscience . All living organisms, including phytoplankton, need phosphorus to synthesize DNA, RNA and other important organic compounds. In addition

How to know when house prices will bottom

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“The rate of decline is much worse than what we saw through the previous decline. Wider affordability, higher household debt and then this double factor of inflation and rising interest rates is hitting it harder,” said Tim Lawless, director of Asia-Pacific research at CoreLogic. This means the biggest factor that plays a role in determining when house prices will start rising again is interest rates, and when the RBA will start its cutting cycle once again. “When we see starting to see interest rates, which will probably be around the middle of next year, if not earlier than that, that may be a sign that the housing market is starting to stabilize,” Mr Lawless said. Two signs that we may be nearing the peak of the interest rate cycle are that inflation is starting to fall back into the 2-3 percent target range, and the tight labor market is starting to loosen. Does the decline (and increase) follow a certain pattern? Yes, there are certain characteristics that the property cycle in A