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Genetic study reveals vulnerability of northwest dolphins

A recent genetic study found that northwest dolphins in Australia are more vulnerable to environmental change and localised extinctions due to their isolated populations. The researchers urge management agencies to preserve corridors for individuals to travel between populations.

SourcePLOS·JournalPLOS ONE·DateJul 2, 2014

Finding elusive emperor penguins

A team of scientists found two emperor penguin colonies near the Mertz Glacier in East Antarctica, with a total of 7,400 breeding pairs. The study used both satellite imaging and ground surveys to monitor population trends and habitat changes.

SourcePLOS·JournalPLOS ONE·DateJun 25, 2014

NOAA scientists find mosquito control pesticide low risk to juvenile oysters, hard clams

A NOAA study found that four common mosquito control pesticides pose little risk to juvenile oysters and hard clams, but climate stressors such as hypoxia and acidification increase their toxicity. The research provides valuable data for shellfish mariculture operations and environmental resource agencies.

SourceNOAA Headquarters·JournalArchives of Environmental Contamination and Toxicology·DateJun 9, 2014

Oil and gas development homogenizing core-forest bird communities

Researchers found that conventional oil and gas development in northern Pennsylvania is altering bird communities, with songbird species being pushed out and generalist species taking their place. The study revealed changes in avian guilds resulting from oil and gas development, suggesting a loss of community uniqueness.

SourcePenn State·JournalJournal of Wildlife Management·DateMay 21, 2014

Study sheds light on penguins first year far from home

In the first study of its kind, scientists tracked young king penguins exploring new habitats and eventually developing their foraging skills similarly to their parents. The study found that young penguins undertake large-scale movements at sea and use similar habitat to find food as adults.

SourcePLOS·JournalPLOS ONE·DateMay 14, 2014

Groovy turtles' genes to aid in their rescue

A USGS study identifies four genetically distinct populations of diamondback terrapins, shedding light on the species' conservation needs. The research aims to develop targeted conservation plans, including habitat protection and migration corridors, to maintain genetic diversity and support the terrapin's overall population numbers.

SourceU.S. Geological Survey·JournalConservation Genetics·DateMay 5, 2014

Light pollution impairs rainforest regeneration

A recent study found that light pollution impedes fruit-eating bats from dispersing seeds, which is crucial for tropical forest regeneration. As a result, seed rain is reduced, threatening the natural succession of forests in illuminated habitats.

SourceWiley·JournalJournal of Applied Ecology·DateMar 11, 2014

Mangroves expand north as Florida freezes decline

Researchers found mangroves are expanding along hundreds of miles of coastline in Florida, with a doubling of habitat in areas like Daytona Beach and Titusville. The expansion is linked to a decrease in cold snaps, which allows mangroves to thrive in previously inhospitable conditions.

SourceBrown University·JournalProceedings of the National Academy of Sciences·DateDec 30, 2013

Researchers revise Darwin's thinking on invasive species

A new model suggests that characteristics like phenotype and interaction mechanisms are key to understanding the chances of an invasive species succeeding. The study challenges Darwin's original theory on naturalization conundrum, indicating that ecological relationships alone are a weak predictor of invader success.

SourceWashington State University·JournalProceedings of the National Academy of Sciences·DateDec 2, 2013