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Tag: "habitats" at biology news

By 2048 all current fish, seafood species projected to collapse

... by biological filtering, the provision of nursery habitats and the protection of shorelines by marine species. The loss of marine diversity also appeared to increase the risks of beach closures, harmful algal blooms (red tide, for example), oxygen depletion, fish kills and coastal flooding. "The good news ...

Seagrass ecosystems at a 'global crisis'

...abitat in coastal systems, media coverage of other habitats ?including salt marshes, mangroves and coral reefs ?receive 3 to 100-fold more media attention than seagrass systems. "Translating scientific understanding of the value of seagrass ecosystems into public awareness, and thus effective seagrass mana...

Global changes alter the timing of plant growth, scientists say

.... Scientists studying plant communities in natural habitats call this phenomenon "complementarity." It allows many species to co-exist because it reduces overlap in the time period when species compete for limited resources. Now, in a study posted online the week of Sept. 4 in the Proceedings of the National ...

A buffet for early human relatives

...ey were migrating seasonally between more forested habitats to more open, savanna habitats." Study coautho...ese individuals were migrating between more wooded habitats and more open savannas." Cerling says the study "shows that our early human relatives were able ...

First Biodiversity Census of coral reef ecosystems in the NW Hawaiian Islands

...rms and more), algae, and microbes over a range of habitats at French Frigate Shoals. Although some of these smaller organisms may not be as charismatic as monk seals, or colorful aquarium fish (until you look under a microscope), they form the complex tapestry that supports the existence of the larger anima...

Extraordinary life found around deep-sea gas seeps

... world where at least four types of chemosynthetic habitats occur in close proximity, allowing scientists to address key questions about the patterns of biological distribution that cannot be addressed elsewhere. The team visited eight cold seep sites on the continental slope to the east of the North Island...

Study finds the air rich with bacteria

...ions, which is considered to be one of the richest habitats for microbes. The scientists also sought to determine whether background levels of airborne bacteria change from city to city, or are generally the same throughout a region. To explore this question, they chose Austin and San Antonio because the ...

Living laboratory found on shoreline statues

.... "Creatures like barnacles and mussels prefer habitats that are exposed to the elements but choose optimal positions that allow them to feed in the water column without getting battered by waves and currents. The Gormley statues not only provide a perfect anchor point but sheltered parts of the figures ...

Study suggests evolutionary link between diet, brain size in orangutans

...ry more ecologically than do comparative orangutan habitats on Sumatra. "The eastern parts of Borneo suffer more from El Niño-related droughts than parts of western Borneo," the scientists wrote. "The effects of El Niño on tropical rain forest composition and diversity are also more marked in eastern compared...

Better sludge through metagenomics

...king that these bacteria must be living in natural habitats and that they have become opportunistically adapted to this manmade process, wastewater treatment." It would appear, Hugenholtz went on, that Accumulibacter has been following in humanity's environmental footprints. "The genomes of the bacteria fro...

Ground spider diversity studied in research project

...e of this local natural resource and the role such habitats play in nature," Harris said. "This knowledge can enrich our human experience and can also be used in larger studies of biodiversity and production agriculture involving spiders." For people who think the only good spider is a dead spider, Henderso...

Cougar predation key to ecosystem health

...ith wild ungulates, the sustainability of riparian habitats and biodiversity may require both predation on these herbivores as well as the fear of predation to further affect their behavior, the researchers concluded. Ripple and Beschta considered other factors that may have played a role in loss of co...

Fire ant-attacking fly spreading rapidly in Texas

...tionship in parts of Argentina that are similar to habitats in Texas. "It is rewarding to see the first species expanding over more than four million acres of Texas," says Gilbert, "but we've failed miserably in parts of Texas, like South Texas, to which these first phorids apparently cannot adapt. That's w...

New strategy developed to combat West Nile Virus

...resources confine mosquito populations to selected habitats ?specifically isolated, densely vegetated hammocks where conditions remain humid. These moist hammocks also happen to be the spring nesting and roosting sites of many species of wild birds, which act as hosts and carriers for the diseases. While con...

Fire ants: Their true story told by the scientist who loves them

...t rather the ecological havoc created by disturbed habitats ?fire ants thrive in them, natives don't. Conseque...f the so-called native ants that inhabit disturbed habitats alongside S. invicta are immigrants, too. Like their persecuted cousins, some hail from South Americ...

Female guppies risk their lives to avoid too much male attention

... the researchers found that female guppies swim in habitats that contain few males ?but many predators. "Male guppies spend most of their time displaying to females. But if their courtship displays don't impress the females, males will attempt to sneak mating with them when they aren't looking," says Croft. ...

New research finds surveys of larval-stage organisms effective for measuring marine biodiversity

... more easily collect larvae for sampling since the habitats of the mature marine species can be totally unreachable," said Barber. "This method gives us a better idea of how well we know a particular area. There may be parts of the world that we think we know a lot about, like the Caribbean for example, but t...

WWF captures first-ever photo of wild rhino on Borneo

...s, which are some of the most biologically diverse habitats on Earth, with high numbers of unique animal and plant species. It is one of only two places in the world –Indonesia's Sumatra island is the other ?where orang-utans, elephants and rhinos still co-exist and where forests are currently large enough to...

Invasive species alter habitat to their benefit

When scientists study habitats that alien species have invaded, they usually find predictable patterns. The diversity of native species declines, and changes occur in natural processes such as nutrient cycling, wildfire frequency and the movement of water through the system. Bu...

UN review shows need to halt destructive fishing practice

...DOALOS Web site said extremely vulnerable deep sea habitats require protection, but that fishing for newly dis...om trawling. "The total destruction of deep sea habitats for limited short term rewards is inexcusable," said Rodriguez, now regional vice president and dire...

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