http://www.sciencedaily.com/releases/2009/06/090629200630.htm
Disappearing Seagrass Threatening Future Of Coastal Ecosystems Globally
ScienceDaily (July 6, 2009) — An international team of scientists warns that accelerating losses of seagrasses across the globe threaten the immediate health and long-term sustainability of coastal ecosystems. The team has compiled and analyzed the first comprehensive global assessment of seagrass observations and found that 58 percent of world's seagrass meadows are currently declining.
.....
The team estimates that seagrasses have been disappearing at the rate of 110 square-kilometers (42.4 square-miles) per year since 1980 and cites two primary causes for the decline: direct impacts from coastal development and dredging activities, and indirect impacts of declining water quality.
.....
http://www.sciencedaily.com/releases/2009/07/090707171002.htm
US-Mexico Border Wall Could Threaten Wildlife Species
ScienceDaily (July 7, 2009) — A 700-mile security wall under construction along the United States' border with Mexico could significantly alter the movement and "connectivity" of wildlife, biologists say, and the animals' potential isolation is a threat to populations of some species.
No comments:
Post a Comment