These relations are similar to those associated with highly degraded, ancient basins on Mars (Chicarro and others, 1983).

It was highly degraded and modified, and had extensive and serious erosion problems.

The forest at Rungwe is highly degraded, and fragmentation of the remaining forest threatens to split that population into three smaller populations.

Although abundant and fully functioning on the peninsula, tropical savannahs are now rare and highly degraded in other parts of the world.

Many of the catchment's rivers were full of sediment, and classed as highly degraded.

An Environmental Impact Study conducted in 2004 found the area "highly degraded" and the remaining dry spiny and gallery forest, threatened ecosystems, "fragmented."

The soils are highly degraded due to continuous cropping with limited or no external inputs to improve soil fertility.

The Yangtze is highly degraded, and we spotted dramatically fewer finless porpoises than we have in the past.

The wetlands around Ogoniland are highly degraded and facing disintegration.

These samples may be highly degraded so forensic researchers often prefer mitochondrial DNA for its higher stability and applications for lineage studies.