New research on China suggests that declining birth rates and an aging population might not hinder future prosperity when associated with better education of the young.
Social Sciences
Sep 27, 2021
2
66
It was disastrous when Europeans first arrived in what would become Brazil—95 percent of its population, the majority of its tribes, and essentially all of its urban and agricultural infrastructure vanished. The experiences ...
Social Sciences
Apr 3, 2014
0
0
Estimates of whale population size based on genetics versus historical records diverge greatly, making it difficult to fully understand the ecological implications of the large-scale commercial whaling of the 19th and early ...
Plants & Animals
May 9, 2012
0
0
Arctic sea ice is now declining at a rate of 12.8 percent per decade - 2012 had the lowest amount of summer ice on record. The drastic change has numerous implications for Arctic ecosystems, from increased shipping - the ...
Environment
Jan 23, 2019
0
5
New research from the University of Otago helps explain the recent history of one of New Zealand's most iconic parrot species and the role humans played in their decline.
Ecology
Oct 3, 2016
0
6
In the last 60 years, plant diversity across Germany decreased by an average of 15% in over 70% of the more than 2000 species examined. This most comprehensive analysis of plant data from Germany ever conducted involved researchers ...
Plants & Animals
Dec 16, 2020
2
44
Poachers have killed a record 688 rhinos in South Africa so far this year, more than the entire number slaughtered in 2012, according to figures issued Sunday, World Rhino Day.
Ecology
Sep 22, 2013
3
0
White-lipped peccaries have declined by as much as 87% to 90% from their historical range in Central America, signaling a population collapse of a key species in the region, according to a study published recently in the ...
Ecology
Feb 5, 2020
0
22
As marine species continue to decline worldwide, the southern resident killer whale population—which now stands at 75 individuals—along the west coast of North America, has baffled scientists who are trying to understand ...
Plants & Animals
Sep 21, 2022
0
30
(Phys.org) —Researchers are racing the clock to better understand a deadly virus which has the potential to intensify population declines in the endangered Asian elephant.
Ecology
Jun 17, 2013
0
0
