Using Sound to Count Species

Scientists often capture and tag animals as a way to determine
their population density. But that can be disruptive to the
animals…and
time consuming for the researchers. Now, scientists at Ohio State
University have found a quicker, easier method…and they’re testing it
on
bats. The Great Lakes Radio Consortium’s Wendy Nelson reports:

Can Biotech Feed the World?

This month the number of people on Earth reaches six-billion. Food
experts say feeding the world’s population will put more pressures on
the environment unless existing farms can increase production. … but
experts argue about the best way to do that. The Great Lakes Radio
Consortium’s Lester Graham has more:
crop management, yield, yields, technology, biological research, food,
food production, pollination, climate, natural capital, population,
population growth, world growth, genetics, genetically

Can Agriculture Keep Up?

As of this month (Oct.), there are six billion people on the planet and
the population will keep rising. It’s predicted the population will hit
eight-and-half billion by the year 2025. But some experts say the demand
for food will rise even faster. The Great Lakes Radio Consortium’s
Lester Graham reports… feeding the world will be one of the biggest
challenges of the coming century:

Commentary – Six Billion Souls

The United Nations estimates that sometime between now and October 1999,
the world’s population will reach six billion. This has Great Lakes
Radio Consortium commentator Suzanne Elston wondering – How much is too
many?:

Gender Disparity Endangers Yellow Perch

Scientists in Wisconsin say among yellow perch, males in Lake Michigan outnumber females by 9-to-1. Such a gender disparity may be detrimental to the food chain. The Great Lakes Radio Consortium’s Lisa Labuz has more:

El Nino Creates Ladybug Explosion

El Nino has been blamed for several things this year…And now there’s one more—an explosion of ladybugs. The Great Lakes Radio Consortium’s Beverly Amsler explains: