BlogArena

General blog about anything and everything of everyday's life.

19. Oct 2019

November 14, 2013
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Mutual benefits: Stressed-out trees boost sugary rewards to ant defenders

ANN ARBOR — When water is scarce, Ecuador laurel trees ramp up their investment in a syrupy treat that sends resident ant defenders into overdrive, protecting the trees from defoliation by leaf-munching pests. The water-stressed tropical forest trees support the … Continue reading

April 15, 2013
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Invasive crabs help Cape Cod marshes

Ecologists are wary of non-native species, but along the shores of Cape Cod where grass-eating crabs have been running amok and destroying the marsh, an invasion of a predatory green crabs has helped turn back the tide in favor of … Continue reading

February 18, 2013
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Southwest Regional Warming Likely Cause of Pinyon Pine Cone Decline, Says CU Study

Creeping climate change in the Southwest appears to be having a negative effect on pinyon pine reproduction, a finding with implications for wildlife species sharing the same woodland ecosystems, says a University of Colorado Boulder-led study. The new study showed … Continue reading

January 27, 2013
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Scientists Use Marine Robots to Detect Endangered Whales

Two robots equipped with instruments designed to “listen” for the calls of baleen whales detected nine endangered North Atlantic right whales in the Gulf of Maine last month. The robots reported the detections to shore-based researchers within hours of hearing … Continue reading

June 18, 2012
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Recreational Fishing Brings Salt Marsh Die-Off

As recreational fishing activity has reduced predators in many of Cape Cod’s salt marsh ecosystems, Sesarma crabs have feasted on grasses, causing dramatic die-offs of the marshes, according to a new study. The researchers assessed the “trophic cascade” in several … Continue reading

June 9, 2012
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20 Years after Rio Earth Summit: Ecologists Call for Preservation of Planet’s Remaining Biological Diversity

ANN ARBOR, Mich.— Twenty years after the Earth Summit in Rio de Janeiro, 17 prominent ecologists are calling for renewed international efforts to curb the loss of biological diversity, which is compromising nature’s ability to provide goods and services essential … Continue reading

September 26, 2011
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Over the Hump: Ecologists Use Power of Network Science to Challenge Long-Held Theory

*Global sampling of 48 sites on five continents yields unprecedented data set* For decades, ecologists have toiled to nail down principles explaining why some habitats have many more plant and animal species than others. Much of this debate is focused … Continue reading

September 23, 2011
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What’s so Unique About the Tropics?

“Less than we thought,” researchers say in a new study providing insights into the distribution of biodiversity across the globe. The temperate forests of Canada or Northern Europe may have much more in common with the tropical rainforests of Southeast … Continue reading