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.

 

Researchers find climate change and turf seaweed causing 'patchy' seascape
Researchers find environmental developments caused by climate change are contributing to the transformation of the seafloor to a lower, more patchy seascape dominated by shrub-like seaweed which could impact species habitats and the structure of the food web.
Publ.Date : Thu, 14 Nov 2019 16:19:14 EST

Bigger doesn't mean better for hatchery-released salmon
A recent study examines hatchery practices in regards to how Chinook salmon hatcheries in the PNW are affecting wild populations over the past decades. Over 65 years, Chinook salmon hatcheries in the PNW have skewed towards releasing larger fish that are more easily preyed upon.
Publ.Date : Thu, 14 Nov 2019 16:18:58 EST

There are variations in plankton biodiversity and activity from the equator to the poles
New results between 2009 and 2013 show that the diversity and functions of planktonic species in the global ocean change dramatically according to latitude.
Publ.Date : Thu, 14 Nov 2019 11:59:26 EST

How giant kelp may respond to climate change
Like someone from Minnesota being dropped into an Arizona heat wave, giant kelp living in cooler, high-latitude waters were more vulnerable to excessive heat than kelp already living in warmer, Southern California waters, according to a study of Chilean and Californian kelp.
Publ.Date : Wed, 13 Nov 2019 17:03:10 EST

Something old, something new in the ocean's blue
Microbiologists have discovered a new metabolic process in the ocean. Ranging from molecular structures of individual genes and detection of their global distribution, their results give insight into the pathway process and its degradation products and thus provide valuable information for future calculations of the ocean`s carbon dioxide balance.
Publ.Date : Wed, 13 Nov 2019 15:30:35 EST

Tuna carbon ratios reveal shift in food web
The ratio of carbon isotopes in three common species of tuna has changed substantially since 2000, suggesting major shifts are also taking place in the phytoplankton populations that form the basis of the ocean's food web, according to a new international study. Much of the change occurring in phytoplankton physiology and species composition may be driven by increased ocean stratification, an impact of climate change, the study suggests.
Publ.Date : Wed, 13 Nov 2019 15:30:33 EST

Healthy mangroves help coral reef fisheries under climate stress
Healthy mangroves can help fight the consequences of climate change on coral reef fisheries, according to a new study. Researchers say corals have been bleached and reefs have lost their structural complexity as a major consequence of warming seas.
Publ.Date : Wed, 13 Nov 2019 09:25:57 EST

Cats of the sea offer insights into territorial behavior of wild fishes
Researchers carrying out regular monitoring of a Marine Protected Area off the UK coastline noticed species of wrasse demonstrating almost cat-like behavior as they chased lasers shone onto the seabed.
Publ.Date : Tue, 12 Nov 2019 07:36:05 EST

Prey-size plastics are invading larval fish nurseries
Researchers revealed that many larval fish species from different ocean habitats are ingesting plastics in their preferred nursery habitat.
Publ.Date : Mon, 11 Nov 2019 15:06:36 EST

New study first to reveal growth rates of deep-sea coral communities
Researchers revealed for the first time growth rates of deep-sea coral communities and the pattern of colonization by various species over time scales of centuries to millennia. Age-dated submarine lava flows helped constrain maximum ages of coral communities.
Publ.Date : Mon, 11 Nov 2019 10:09:21 EST

Mosquito nets: Are they catching more fishes than insects?
Mosquito nets designed to prevent malaria transmission are used for fishing which may devastate tropical coastal ecosystems, according to a new scientific study. The researchers found that most of the fish caught using mosquito nets were smaller than a finger and potentially collect hundreds of individuals.
Publ.Date : Mon, 11 Nov 2019 10:09:10 EST

Finding Nemo's cousins: Meet the little fish that can see UV light
New research reveals anemonefish can see UV light and may use it as a secret channel find their friends and food, while evading predators.
Publ.Date : Mon, 11 Nov 2019 08:49:31 EST

Early dispersal for quadrupedal cetaceans: Amphibious whale from middle Eocene
Scientists have a relatively precise idea about where whales and their closest terrestrial relatives evolved more than 50 million years ago (early Eocene), thanks to the discovery of ancient cetacean fossils in India and Pakistan. Around 45 million years ago, four-legged whales (protocetids) gradually dispersed out of Asia, westward towards Africa and then reached the east coast of North America more than 41 million years ago.
Publ.Date : Fri, 08 Nov 2019 17:16:39 EST

New sphenisciform fossil further resolves bauplan of extinct giant penguins
New Zealand is a key area for understanding the diversity of the extinct penguins and has even revealed the existence of 'giant' penguin species (larger than living penguins). A new study describes a remarkably complete giant penguin skeleton from the Oligocene, Kawhia Harbour in the North Island of New Zealand.
Publ.Date : Fri, 08 Nov 2019 16:25:56 EST

Millions of seabirds rely on discarded fish
Millions of scavenging seabirds survive on fish discarded by North Sea fishing vessels, new research shows.
Publ.Date : Thu, 07 Nov 2019 20:25:57 EST

Unless warming is slowed, emperor penguins will be marching towards extinction
Emperor penguins are some of the most striking and charismatic animals on Earth, but a new study has found that a warming climate may render them extinct by the end of this century.
Publ.Date : Thu, 07 Nov 2019 16:07:04 EST

Pesticide management is failing Australian and Great Barrier Reef waterways
Scientists say a failure of Australian management means excessive amounts of harmful chemicals -- many now banned in countries such as the EU, USA and Canada -- are damaging the country's waterways and the Great Barrier Reef.
Publ.Date : Thu, 07 Nov 2019 12:26:41 EST

Melting Arctic sea ice linked to emergence of deadly virus in marine mammals
Scientists have linked the decline in Arctic sea ice to the emergence of a deadly virus that could threaten marine mammals in the North Pacific, according to a study.
Publ.Date : Thu, 07 Nov 2019 11:29:26 EST

Huge gaps in research on microplastics in North America
Amid increasing concern about the effects of plastic pollution on marine ecosystems, a new study found that North America is lagging behind other continents when it comes to understanding the potential risks that microplastics and associated pollutants pose to both fisheries and the humans that consume the seafood.
Publ.Date : Wed, 06 Nov 2019 15:45:23 EST

Exceptional fossils may need a breath of air to form
New research has found that a long held belief by paleontologists about the fossilization process may be wrong. The team has found that while low oxygen environments set the stage, it takes air to catalyze the fossilization process.
Publ.Date : Wed, 06 Nov 2019 11:21:09 EST