Sentences with phrase «reef communities»

This chemical warfare may be increasing the pressure on struggling reef communities worldwide, researchers say.

It results from the changes in the coral reef community due to increasing acidification.

We should note that for coral reef communities, the acid ocean is only one problem that they face, and it's not the worst.

Develop, test, and implement innovative interventions to reduce damage to reefs weakened by ocean acidification, and to promote the replenishment of reef communities impoverished by loss of coral species to the combined impacts of climate change, including elevated seawater temperatures and sea - level rise.

In contrast, diurnal variability in the carbonate chemistry at other sites along the reef flat was driven by reef community metabolism.

Washington, DC — A team of scientists led by Carnegie's Rebecca Albright and Ken Caldeira performed the first - ever experiment that manipulated seawater chemistry in a natural coral reef community in order to determine the effect that excess carbon dioxide released by human activity is having on coral reefs.

As a result of acidification, coral reefs could lose their structural stability, which would affect whole reef communities as well as removing protection for neighbouring coastlines.

«Temperature is widely recognized as a key environmental driver of reefs and temperature extremes are known to be one of the key stressors to coral reef communities around the world,» Ryan Lowe from the University of Western Australia Oceans Institute and School of Earth and Environment who led the research, said in a statement.

Furthermore, by working in controlled areas of a natural reef community, Caldeira, Albright, and their team were able to demonstrate how acidification affects coral reefs on the ecosystem scale, not just in terms of individual organisms or species, as other studies have done.

The species is wreaking havoc on reef communities, prompting efforts to encourage the public to catch and eat the fish

By observing reef communities in Fiji's Votua Marine Reserve, Rasher and his team discovered that sharks do in fact influence plant growth on the reefs — by scaring the herbivorous fish away from eating them.

At the time, crown - of - thorns sea stars, which can grow to the size of a trashcan lid and decimate coral reefs, experienced a population boom on Moorea, threatening the entire reef community found there.

«Species monitoring of shallow reef communities at national scales is only possible with the support of citizen scientists, such as the RLS divers who contributed data to our study.

«The coral die - off has caused radical changes in the mix of coral species on hundreds of individual reefs, where mature and diverse reef communities are being transformed into more degraded systems, with just a few tough species remaining,» said co-author Prof Andrew Baird of Coral CoE at James Cook University.

Per Ahlberg of Uppsala University in Sweden and colleagues found the fossil fish in the Gogo formation in western Australia, where an ancient reef community has been exquisitely preserved.

However, this vital role in maintaining healthy reef communities may be under threat: cleaner wrasse are among the top marine fishes caught for the aquarium industry, due to their colourful patterns and charismatic behaviour.

These high levels of nutrients were reflected in the tissues of common macroalgae and measures of reef community structure.

A University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science - led research team analyzed the sediments of mesophotic coral reefs, deep reef communities living 30 - 150 meters below sea level, to understand how habitat diversity at these deeper depths may be recorded in the sedimentary record.

In many reef communities, fish will take shelter in and around coral during the day — urinating out valuable nutrients — then forage for prey in and around the reef by night.

Realizing the importance of the coral reef community off Ambergris caye, Belize, the Belize government established the Hol Chan Marine Reserve on May 2, 1987.

The islands and their surrounding coral reef communities form one of Western Australia's most unique marine areas.

Coral bleaching, caused by increased sea temperatures, is causing die - offs amongst coral reef communities from Australia to the Caribbean

«We are particularly interested in finding out how much carbon is being turned over by a reef — and by that I mean the whole reef community.

«Temperature is widely recognised as a key environmental driver of reefs and temperature extremes are known to be one of the key stressors to coral reef communities around the world,» Lowe said in a statement.

Once established, they feed on the juveniles of other species, wreaking havoc on reef communities.

As of 2004, ORCAT, run by the Ocean Reef Community Association, had reduced its «overall population from approximately 2,000 cats to 500 cats.»

Ecologists may be able to use this tool or ones like it as a quick and inexpensive approach to monitoring the status and health trajectories of coral reef communities.

From the obtained data, we can estimate the total uptake of oxygen by the reef community, which expresses how much carbon is turned over within a defined area of the reef.

The joint results from this study on the metabolism of cold - water coral reef communities are published in the journal Marine Ecology Progress Series.

«Not only was there a lag in reef growth of up to two thousand years following the flooding of the previous reef platforms but the reef communities that grew there were much less complex than those inhabiting those areas of the reef today.

«These extensive algae meadows represent a major component of the deep - reef communities, and play a fundamentally important role in the overall ecology.»

Now, with these data serving as the basis for their models, Allgeier and collaborators can estimate the total amount of nutrient output from fish by knowing the species and body size of fish in a coral reef community.

I will describe efforts in the Florida Keys to characterize the spatial and temporal variability of the carbonate chemistry of the water and the net community production and calcification of the reef community.

Since then, Barth and OSU colleague Francis Chan have scouted for signs that the reef community is recovering.

«The paper is not just about the reef itself, but about how the reef community changes as you travel north along the shelf break, in response to how much light it gets seasonally by the movement of the plume,» said Patricia Yager, an associate professor of Marine Sciences in UGA's Franklin College of Arts and Sciences and principal investigator of the River - Ocean Continuum of the Amazon Project, in a statement.

Coral colonies provide a source of food and shelter for countless reef - associated organisms and their health is of critical importance to the ecology of the reef community.

There are a great many forces in action that can significantly boost or erode reef sales, so it is imperative that retailers evaluate their store's position in the spectrum of suppliers selling to the reef community and make decisions accordingly.

Even though coral reef communities may not be connected directly to one another, reefs on the edge of the Coral Triangle have the potential to contribute significant amounts of genetic diversity throughout the region.»

Ocean Leadership reports on a new paper titled «Connectivity and the development of population genetic structure in Indo - West Pacific coral reef communities» by Johnathan T. Kool, Claire B. Paris, Paul H. Barber and Robert K. Cowen.

But this time they gave the reef heartburn, increasing acidity by adding carbon dioxide to seawater flowing over a coral reef community.

In that work, they made a coral reef community's seawater chemistry more alkaline — essentially giving the reef an antacid — and demonstrated that the coral's ability to construct its architecture was improved under these conditions.