biota

Researchers find Amchitka seafood safe for now

...mpled and analyzed for radionuclides many types of biota in the seas at Amchitka and a reference site, nearby Kiska: "Rutgers' Joanna Burger developed a program that has assessed these two marine regions as completely as has any previous single-year study of a defined marine area." In fact, the university...

Global warming may warrant new approaches to ecosystem restoration

...likely to have important regional consequences for biota and ecosystems. Ecological restoration, including reafforestation and rehabilitation of degraded land, may be a common response to the effects of climate change, but the implications of this changing environment must be considered. Using past e...

Cougar predation key to ecosystem health

...mous loss of trees and associated impacts to other biota that were found in the canyon. The findings of this study may be relevant to other ecosystems in the U.S. and around the world where key predators have been removed, the researchers said, and high populations of native herbivores such a...

Hotspots of mercury contamination identified in eastern North America

...s that lowered emissions reduced mercury levels in biota within a few years. The 10-member research team was led by David C. Evers of the BioDiversity Research Institute in Gorham, Maine. The study was based on samples collected over four years by the Northeastern Ecosystem Research Cooperative and made ...

Smithsonian scientists discover new marine species in eastern Pacific

... site. What species live here? How much of this biota remains unknown to science? What are the relationships to other world regions? The results of this collection trip will be published in the scientific literature during the next several years, as taxonomists classify each organism. This adventure...