Marine Biology News

Courtesy of Science Daily

Welcome to Sea and Sky's Marine Biology News. Here you can find links to the latest ocean news headlines in the topic of marine biology. Click on any yellow title below to view the full news article. The news article will open in a new browser window. Simply close the browser window when you are finished reading the article to return to the news article listing. You can use the "Click for More" link to go to a page with more news headlines.

 

Limits on pot fishing can result in win-win for fishermen and marine wildlife
The first major study into the impact of inshore potting for crab and lobster within a Marine Protected Area has found that in areas of low potting intensity the industry is operating in a way that had little impact on seabed species or economically-important shellfish.
Publ.Date : Tue, 16 Jul 2019 19:35:49 EDT

Thirty years of unique data reveal what's really killing coral reefs
Coral bleaching is not just due to a warming planet, but also a planet that is simultaneously being enriched with reactive nitrogen from sources like improperly treated sewage, and fertilizers. Nitrogen loading from the Florida Keys and greater Everglades ecosystem caused by humans is the primary driver of coral reef degradation in Looe Key. These coral reefs were dying off long before they were impacted by rising water temperatures. Elevated nitrogen levels cause phosphorus starvation in corals, reducing their temperature threshold for bleaching.
Publ.Date : Mon, 15 Jul 2019 16:46:52 EDT

Algae as a resource: Chemical tricks from the sea
The chemical process by which bacteria break down algae into an energy source for the marine food chain, has been unknown - until now. For the first time, is has been possible to clarify the biochemical function of the multitude of enzymes involved in this process. Now it becomes possible to use algae as a resource: they can be used for fermentations, to produce valuable types of sugar or, in the future, even bioplastics.
Publ.Date : Mon, 15 Jul 2019 09:48:53 EDT

Super salty, subzero Arctic water provides peek at possible life on other planets
Researchers have discovered thriving communities of bacteria in Alaskan 'cryopegs,' trapped layers of sediment with water so salty that it remains liquid at below-freezing temperatures. The setting may be similar to environments on Mars, Saturn's moon Titan, or other bodies farther from the sun.
Publ.Date : Fri, 12 Jul 2019 10:57:07 EDT

DNA analysis reveals cryptic underwater ecosystem engineers
They look like smears of pink bubblegum on the rocks off British Columbia's coast, indistinguishable from one another. But a new DNA analysis of coralline algae has revealed a wealth of different species -- a diversity that could hold the key to protecting critical underwater habitats like kelp forests.
Publ.Date : Thu, 11 Jul 2019 12:07:07 EDT

Coral skeleton crystals record ocean acidification
The acidification of the oceans is recorded in the crystals of the coral skeleton. This is a new tool for studying past environmental changes and combating climate change. Such is the main conclusion of a study led by the Spanish scientist Ismael Coronado Vila, from the Institute of Paleobiology in Warsaw (Poland).
Publ.Date : Thu, 11 Jul 2019 10:56:18 EDT

Wakanda forever! Scientists describe new species of 'twilight zone' fish from Africa
Deep-diving scientists spotted dazzling fairy wrasses -- previously unknown to science -- in the dimly lit mesophotic coral reefs of eastern Zanzibar. The multicolored wrasses sport deep purple scales so pigmented, they even retain their color (which is typically lost) when preserved for research. The scientists name this 'twilight zone' reef-dweller Cirrhilabrus wakanda (common name 'Vibranium fairy wrasse') in honor of the mythical nation of Wakanda from the Marvel Entertainment comics and movie 'Black Panther.'
Publ.Date : Thu, 11 Jul 2019 10:56:02 EDT

Marine scientists discover an important, overlooked role sea urchins play in the kelp forest ecosystem
Marine scientists discover an important, overlooked role sea urchins play in the kelp forest ecosystem.
Publ.Date : Wed, 10 Jul 2019 13:40:21 EDT

New research helps predict locations of blue whales so ships can avoid them
A new model based on daily oceanographic data and the movements of tagged whales has opened the potential for stakeholders to see where in the ocean endangered blue whales are most likely to be so that ships can avoid hitting them.
Publ.Date : Wed, 10 Jul 2019 13:40:18 EDT

Coral reefs shifting away from equator
Coral reefs are retreating from equatorial waters and establishing new reefs in more temperate regions, according to new research. The researchers found that the number of young corals on tropical reefs has declined by 85 percent -- and doubled on subtropical reefs -- during the last four decades.
Publ.Date : Tue, 09 Jul 2019 16:01:36 EDT

Smells like love...to sea lampreys
Some people are drawn to cologne; others are attracted to perfume. When it comes to sea lampreys, however, spermine smells like love. Spermine, an odorous compound found in male semen, proved to be a powerful aphrodisiac.
Publ.Date : Tue, 09 Jul 2019 14:12:38 EDT

Genetic pathway could enhance survival of coral
Researchers have made a groundbreaking discovery that could enhance the ability of reef-building corals to survive a rapidly warming and disease-filled ocean.
Publ.Date : Mon, 08 Jul 2019 15:40:31 EDT

Jurassic shift: Changing the rules of evolution
Is the success of species mainly dependent on environmental factors such as climate changes or do interactions between the species have a greater role to play? A study has investigated this question in more detail.
Publ.Date : Mon, 08 Jul 2019 14:00:58 EDT

Live fast and die young, or play the long game? Scientists map 121 animal life cycles
Scientists have pinpointed the 'pace' and 'shape' of life as the two key elements in animal life cycles that affect how different species get by in the world. The findings have important implications for predicting which species will be the winners and losers from the global environment crisis.
Publ.Date : Mon, 08 Jul 2019 12:24:02 EDT

Deciphering enzymatic degradation of sugar from marine alga
Enzymes are biocatalysts that are crucial for the degradation of seaweed biomass in oceans. For the first time, an international team of scientists recently decoded the complete degradation pathway of the algal polysaccharide Ulvan by biocatalysts from a marine bacterium.
Publ.Date : Mon, 08 Jul 2019 12:23:52 EDT

Coral bleaching: Altered gene expression may trigger collapse of symbiotic relationship
Researchers have identified the potential genes responsible for coral bleaching caused by temperature elevation.
Publ.Date : Mon, 08 Jul 2019 11:24:12 EDT

Hundreds of sharks and rays tangled in plastic
Hundreds of sharks and rays have become tangled in plastic waste in the world's oceans, new research shows.
Publ.Date : Thu, 04 Jul 2019 19:14:27 EDT

Scientists discover the biggest seaweed bloom in the world
The record-breaking belt of brown algae stretches from West Africa to the Gulf of Mexico -- and it's likely here to stay, says a team.
Publ.Date : Thu, 04 Jul 2019 19:14:08 EDT

How to protect corals facing climate change
The best way to protect corals threatened by climate change is to conserve a wide range of their habitats, according to a new study. The finding likely applies to conservation efforts for many other species in the ocean and on land, including trees and birds.
Publ.Date : Mon, 01 Jul 2019 14:45:27 EDT

Environmentally friendly control of common disease infecting fish and amphibians
Aquatic organisms in marine systems and freshwaters are threatened by fungal and fungal-like diseases globally. These pathogens are especially dreaded in aquaculture. But they also pose a threat to biodiversity of amphibians. There are few approved chemical means for combating these pathogens, and many have unwanted side-effects. Scientists now propose alternative biological concepts to control fungal disease in a more environmentally friendly way.
Publ.Date : Mon, 01 Jul 2019 14:45:11 EDT