News tagged with tree species

Related topics: species , climate change , trees

Scientists find 56 new species in Papua New Guinea

Jumping spiders, a tiny chirping frog and an elegant striped gecko are among 56 species believed new to science discovered during a Conservation International (CI) Rapid Assessment Program (RAP) expedition ...

Biology / Plants & Animals

created Mar 25, 2009 | popularity 5 / 5 (2) | comments 0

Report: Nearly all native birds in Hawaii in peril

(AP) -- Hawaii's native avian population is in peril, with nearly all the state's birds in danger of becoming extinct, a federal report says.

Biology / Ecology

created Mar 20, 2009 | popularity 3 / 5 (2) | comments 0

Tree species composition influences nitrogen loss from forests

Throughout the world, nitrogen compounds are released to the atmosphere from agricultural activities and combustion of fossil fuels. These pollutants are deposited to ecosystems as precipitation, gases, and particles, sometimes ...

Biology / Ecology

created Mar 16, 2009 | popularity not rated yet | comments 0

Rapid burst of flowering plants set stage for other species

A new University of Florida study based on DNA analysis from living flowering plants shows that the ancestors of most modern trees diversified extremely rapidly 90 million years ago, ultimately leading to the formation of ...

Other Sciences / Archaeology & Fossils

created Feb 09, 2009 | popularity 4.7 / 5 (6) | comments 0

What are the Chances? Probability Solves an Evolutionary Puzzle

The origin of species may be almost as random as a throw of the dice. Iosif Pinelis, a professor of mathematical sciences at Michigan Technological University, has worked out a mathematical solution to a biological puzzle: ...

Other Sciences / Mathematics

created Jan 30, 2009 | popularity 4.6 / 5 (23) | comments 7

Darwin's Tree of Life May Be More Like a Thicket

(PhysOrg.com) -- In On The Origin of Species, Darwin used the image of a tree of life to illustrate how species evolve, one from another. Even today, branches sprouting from lower branches (representing ancest ...

Biology /

created Jan 27, 2009 | popularity 4.8 / 5 (9) | comments 2 weblog

Tree deaths have doubled across the western US

(PhysOrg.com) -- A new study led by the U.S. Geological Survey and involving the University of Colorado at Boulder indicates tree deaths in the West's old-growth forests have more than doubled in recent decades, ...

Space & Earth / Environment

created Jan 22, 2009 | popularity 2.9 / 5 (11) | comments 7

Sequence matters in droughts and floods

When extremes of drought and flood come in rapid succession, the extent of damage to vegetation may depend in part on the sequence of those events, according to a new study published in The American Naturalist.

Biology /

created Jan 08, 2009 | popularity 3 / 5 (2) | comments 0