Sentences with phrase «change in forest cover»

The researchers used complex climate modeling software to simulate changes in forest cover and then examined the effects on global climate.

There are even factors, like change in forest cover, that are known to influence local rainfall but are not very well represented in any of the models.

The study also broke down changes in forest cover by island.

It promises to improve scrutiny of changes in forest cover in vulnerable areas of Southeast Asia, Africa and the Amazon.

Both agreements also required supplying ranchers to enroll on a public environmental registry, which identified the boundaries of their ranches and enabled monitoring of changes in forest cover.

Powered by Google, the map shows change in forest cover between 2000 and 2012, including large - scale forest loss in Russia, Brazil, United States, Canada, and Indonesia.

«Monitoring gross changes in forest cover — both losses and gains — is now not a technical challenge because there are many satellite data providers to choose from, robust methods for imagery interpretation, and increased computing power; what is needed is the global commitment to allocate the resources to get the job done,» says Brown.

«That's what we aimed for with this study, to understand not only how many species have we lost already as a result of habitat destruction, but also how many more have we committed to extinction due to those fast changes in forest cover.»

Using satellite images to reveal changes in forest cover between 1972 and 2002, researchers from the University of Papua New Guinea and the Australian National University found that Papua New Guinea (PNG) lost more than 5 million hectares of forest over the past three decades — total forest cover declined from 38 million hectares in 1972 to 33 million hectares in 2002.

But significantly, version 5.0 added historical imagery from around the world, allowing users to track changes in forest cover, urban spawl, and desertification.

According to the project's led developer, Matthew Hansen of the University of Maryland, the map represents a significant advancement toward understanding ecological changes that accompany changes in forest cover.

The study, using complex climate modeling software to simulate changes in forest cover and then measuring the impact on global climate, found that northern forests tend to warm the Earth because they absorb a lot of sunlight without losing much moisture.

Then, they examined the changes in forest cover in those regions.

I used knowledge and resources developed through GOFC - GOLD to quantify for the very first time the changes in forest cover in Swaziland.»

Changes in forest cover could affect climate as much as greenhouse gases in some areas.

Studying 54 Brazilian health districts, comparing malaria occurrence with satellite imagery of deforestation, the researchers found that just a 4 % change in forest cover was associated with a 48 % increase in malaria.

At one point nearly all of North Korea was forested, but today about 61 % of that has been cleared — the change in forest cover since 1990 has been a decline of about 25 %.