Human activities, including uncontrolled livestock grazing, wood harvesting, and cultivation in semiarid and arid rangeland regions, are implicated as causes of rangeland degradation and declining ecological service provision.
In terrestrial ecosystems, criteria used for assessing risk of ecosystem collapse include declining or restricted distribution of ecosystems, degradation of the abiotic environment, changes in species composition and declining ecological function.
However, whether declining ecological resilience can trigger further out-migration remains to be determined.
Phosphorus (P) transfer from land to water is a source of diffuse pollution that contributes to the decline in ecological status of river bodies in the European Union.
The essay describes the destruction of southern California's coastal watersheds and wetlands, and provides a summary of the significant decline in ecological productivity of the marine bioregion.
With alternative means of acquiring food, local Roviana fishers may be less perceptive of decline in ecological services provided by changing seagrass meadows.
Fleming said that the current approach, which mainly focuses on wider landscapes, is failing to shield vulnerable species from threat such as feral pests and ecological decline.
For the first time, men and women recognised their rights and responsibilities and their power to combat ecological decline, promote democracy and choose the direction of their lives.
This dependence has been heightened by a decline in the ecological health of the Temba homeland because of overpopulation, overgrazing, and soil erosion.
Furthermore, because climate change is intimately connected with our systemic, unsustainable consumption of natural resources, any decline in the ecological resilience of one resource base or ecosystem increases the fragility of the whole.
