Defoliants - chemicals which cause plants to lose their leaves artificially; often used in agricultural practices for weed control, and may have detrimental impacts on human and ecosystem health.
With a rapidly growing human population, and a readily available supply of guns and speedboats for hunting, the whole natural ecosystem is beginning to break down, and it cannot be permitted to continue.
As Sowl and Bartonek (1974) indicated, seabirds are the most visible component of a marine ecosystem and, at the same time, they are the least understood.
Thus, marine birds contribute economic benefits indirectly as well as directly by serving as critical links in ecosystem food chains (Tuck 1960).
All of these pollutants increase the adverse effects of offshore oil production, and when potential spills are also considered, the ultimate impact on the marine ecosystem may be substantial.
Dynamics of the terrestrial ecosystemvegetation of Amchitka Island, Alaska.
An ecosystem is a natural community, taken as a whole, including all biological and environmental factors.
Biological Inventories Familiarity with the biological components of an ecosystem is essential to meaningful radiobiological assessment.
Since all species in their interactions work to maintain the ecosystem, the loss of even one could signify grave consequences for the ecosystem as a whole.
The land in Southeast Asian countries is the precious means of food production to those who live there (there are also the forests which maintain the ecosystem and convert carbon dioxide into oxygen for us).
In some areas, nomads moving to less arid areas disrupt the local ecosystem and increase the rate of erosion of the land.
Often little or no data are available to indicate the previous state of the ecosystem or the rate of degradation.
In these marginal areas, human activity may stress the ecosystem beyond its tolerance limit, resulting in degradation of the land.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "ecosystem" in a variety of sentences. We hope that you will now be able to make sentences using this word.
