Category Archives: Ecosystems

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Common Introduced Weed Threatens Hardwood Forests

Maples, ashes and other hardwood trees are being harmed by an invasive weed that indirectly slows their growth to about one-tenth the normal speed, scientists say.

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Loss of Pollinators Especially Hard on Plants in Biological Hotspots

Species in species-rich regions face two challenges that increase the risk of extinction: habitat destruction, which is occurring at alarming rates in the tropics, and reduced pollinator activity.

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What Happens When You Mess With Symbiotic Pollination Relationships?

With as many as 70% of plant species dependent on animal pollinators and at least 82 mammalian pollinator species and 103 bird pollinator species considered threatened or extinct, this is sobering news.

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Healthy Mangroves Protect Human Communities

Places that had healthy coral reefs and intact mangroves, which act as natural buffers, were less badly hit by the tsunami.

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Flowers Welcome Fishy Neighbors

Fish and flowering plants would seem to have as much in common as pigs and beauty soap. But ecologists … found an amazing relationship between the different species that provides a new direction for understanding how ecosystems “hook up.”

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What Doesn’t Kill Us

When it comes to maintaining and accentuating the mind-boggling plant diversity of the Amazon rain forests, insects are a friend, not a foe, according to a new study. '…The point is that insect herbivores magnify the differences between the habitat.'

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Common Western Weed Kills Competition

…spotted knapweed – doesn't take over outside of its native ecology just by being leaner – it's also meaner.