Ecology, The Environment and Conservation

This complex theme deals primarily with interactions between organisms and the environmental factors that impact them, but to a greater extent between individual inanimate environmental factors.

innovations-report offers informative reports and articles on topics such as climate protection, landscape conservation, ecological systems, wildlife and nature parks and ecosystem efficiency and balance.

’Fowl-howl’ ties discovered between birds, monkeys

A strong and unexpected correlation between large numbers of howler monkeys and elevated counts of birds on islands created by a Venezuelan hydroelectric project has Duke University scientists looking for explanations. They say their discovery represents a prime example of the unexpected ecological insights that the science all-too-often yields.

The scientists’ working hypothesis is that excess plant-eating monkeys found on some of the smallest islands counterintuitively spur extra tre

Without fire, red pines could disappear, model shows

In the northeastern corner of Minnesota stand towering groves of red pine trees stretching some 80 feet into the sky.

But these red pine groves could eventually vanish from Minnesota’s Boundary Water Canoe Area if what we usually view as a foe to forests — fire — fails to sweep the terrain occasionally, says a new study from the University of Wisconsin-Madison.

“The big, natural groves of red pine are one of the most unique features of the BWCA. But, because of fire suppres

Industrial fishing threatens sharks, dolphins, billfish

Industrial fishing poses the biggest threat to life and fin for sharks, dolphins and billfish that inhabit the tropical and northern Pacific Ocean, says a new study forecasting the effects of commercial fishing on ocean ecosystems.

Though not targeted by the fishing industry, some ocean species often get caught unintentionally in nets or lines used to catch tuna and other commercially valuable fish, says a study presented to scientists today, Aug. 5, at the annual meeting of the Ecological

Tropical forests under surveillance

How can new technologies help to reveal the hidden lives of tropical animals and plants?

Difficult environmental conditions and complex biological interactions make it tough for tropical biologists to understand animal behavior, climate change effects and highly biodiverse plants and forest organisms. On Monday, July 29, 2002, the Smithsonian Tropical Research Institute (STRI) convened a diverse group of rainforest biologists with engineers at the forefront of sensor and communicatio

The prehistory of neotropical lowland forests

Although they have persisted for tens of millions of years, neotropical lowland forests have changed greatly in extent and composition due to climatic variation and to human impacts. In a symposium at the 2002 meetings of the Association for Tropical Biology, hosted by the Smithsonian Tropical Research Institute (STRI), Panama, scientists presented the latest results of research on neotropical forests and their transformations up to the time of Columbus.

Bruce MacFadden, of the University o

Ecology and conservation of fragmented tropical forests

Panama City, Panama-Today the world’s tropical forests are not only being cleared at an extraordinary rate, they are also increasingly being divided into fragments that can rapidly lose their original rich biodiversity. At the 2002 meetings of the Association for Tropical Biology, hosted by the Smithsonian Tropical Research Institute (STRI), Panama, this conservation crisis was addressed in a symposium bringing together concerned investigators from throughout the tropics.

Organized by

Page
1 1,049 1,050 1,051 1,052 1,053 1,065