Behavioral responses to a changing world
(Phys.org) -- Male beetles in Western Australia are mating with beer bottles in response to environmental change caused by human activity. A new book examines why, and the impacts on biodiversity.
View ArticleGrandma is one happy Hippocampus
(Phys.org)—Our understanding of the population dynamics, longevity and reproductive habits of the seahorse species Hippocampus whitei (White's Seahorse) has been significantly expanded thanks to newly...
View ArticleResearcher works to ensure Delaware's wild turkey population proliferates
In colonial times, the Eastern wild turkey was abundant in Delaware. But by the late 1800s, wild turkeys were gone, eradicated by over-zealous market hunters and habitat destruction.
View ArticleViruses that infect oceans' tiny beings are discovered
(Phys.org)—Viruses are well known for making people sick, but a new study provides evidence for the first time of viral infections in tiny marine crustaceans called copepods.
View ArticleExtreme weather events a potent force for arctic overwintering populations
Climate change is known to affect the population dynamics of single species, such as reindeer or caribou, but the effect of climate at the community level has been much more difficult to document. Now,...
View ArticleResearch offers new control strategies for bipolar bark beetles
Population explosions of pine beetles, which have been decimating North American forests in recent decades, may be prevented by boosting competitor and predator beetle populations, a Dartmouth study...
View ArticleBlack bears: Here, gone, and back again
A new study from the Wildlife Conservation Society (WCS) and the Nevada Department of Wildlife (NDOW) has pieced together the last 150 years of history for one of the state's most interesting denizens:...
View ArticleWhen it comes to survival of the fittest, stress is a good thing
When the woods get crowded, female squirrels improve their offspring's odds of survival by ramping up how fast their offspring grow.
View ArticleTemperature alters population dynamics of common plant pests
Temperature-driven changes alter outbreak patterns of tea tortrix—an insect pest—and may shed light on how temperature influences whether insects emerge as cohesive cohorts or continuously, according...
View ArticleHuman transition from foraging to farming was a gradual co-evolution, not a...
Research by SFI Professor Sam Bowles on the co-evolution of agriculture and private property features prominently in a review in Current Biology about scientists' current understanding of the factors...
View ArticleNew computer model of city dynamics could pave way to planning sustainable...
The sustainability of cities is a challenge facing planners across the globe. The numerous complex and wide-ranging interactions between energy consumption, water use, transportation and population...
View ArticleGetting here from there: Mitochondrial genome clarifies North American...
(Phys.org) —It is generally agreed that the ancestors of modern Native Americans were Asian peoples who migrated to North America from Siberia and Beringia – a region proximate to the Bering Strait,...
View ArticleHoming in on the mosquito
(Phys.org) —In the battle against the mosquitoes that carry deadly human diseases scientists are recruiting a new ally: a genetic enemy within the mosquito's DNA.
View ArticleNew method simplifies studies of predator-prey interactions and other...
A team of U.K. researchers has developed a way to dramatically reduce the complexity of modeling "bistable" systems which involve the interaction of two evolving species where one changes faster than...
View ArticleModern population boom traced to pre-industrial roots
The foundation of the human population explosion, commonly attributed to a sudden surge in industrialization and public health during the 18th and 19th centuries, was actually laid as far back as 2,000...
View ArticleHelping local fishermen fight off the crown-of-thorns starfish
New research has been published in Marine Biology on the long term population dynamics of the Crown-of- Thorns starfish, Acanthaster planci. It is one of the most long term and extensive surveys of...
View ArticleIncrease in bear infanticide linked to hunting
(Phys.org) —Studies conducted by multinational government and academic institutes have shown that bear hunting can indirectly increase cub mortality by 81 per cent.
View ArticleBiologist addresses ways in which management efforts can shape predator-prey...
A sex-changing fish called California sheephead (Semicossyphus pulcher) plays a vital role in the food web of kelp forests along the Pacific coast. Commonly found in the waters from Baja California to...
View ArticleCommensal bacteria were critical shapers of early human populations
Using mathematical modeling, researchers at New York and Vanderbilt universities have shown that commensal bacteria that cause problems later in life most likely played a key role in stabilizing early...
View ArticleThe self-made eye: Formation of optic cup from ES cells
Groundbreaking research from the RIKEN Center for Developmental Biology (CDB) shows how mouse stem cells spontaneously form into optic cups, the precursors of eyes. A report on this research, published...
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